{"id":5769,"date":"2025-12-25T00:44:53","date_gmt":"2025-12-25T00:44:53","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5769"},"modified":"2025-12-25T00:44:53","modified_gmt":"2025-12-25T00:44:53","slug":"thread-tensile-stress-area-chart-metric-inch","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/zh\/blog\/thread-tensile-stress-area-chart-metric-inch\/","title":{"rendered":"\u87ba\u7eb9\u62c9\u4f38\u5e94\u529b\u9762\u79ef\u56fe\uff1a\u516c\u5236\u548c\u82f1\u5236"},"content":{"rendered":"<div style=\"max-width: 1200px; margin: 0 auto; padding: 20px; font-family: Arial, sans-serif; line-height: 1.6; color: #333;\">\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u7ebf\u6750\u62c9\u4f38\u5e94\u529b\u533a\u57df\u7b80\u4ecb<\/h2>\n<p style=\"margin-bottom: 15px;\">\u87ba\u7eb9\u7684\u62c9\u4f38\u5e94\u529b\u9762\u79ef\uff08\u901a\u5e38\u7528 As \u8868\u793a\uff09\u4ee3\u8868\u87ba\u7eb9\u7d27\u56fa\u4ef6\u4e2d\u627f\u53d7\u62c9\u4f38\u8f7d\u8377\u7684\u6709\u6548\u6a2a\u622a\u9762\u79ef\u3002\u8be5\u53c2\u6570\u5728\u673a\u68b0\u8bbe\u8ba1\u4e2d\u81f3\u5173\u91cd\u8981\uff0c\u7528\u4e8e\u8ba1\u7b97\u87ba\u6813\u3001\u87ba\u9489\u548c\u5176\u4ed6\u87ba\u7eb9\u90e8\u4ef6\u7684\u5f3a\u5ea6\u548c\u627f\u8f7d\u80fd\u529b\u3002\u5b83\u8003\u8651\u4e86\u87ba\u7eb9\u7684\u51e0\u4f55\u5f62\u72b6\uff0c\u5e76\u6e90\u81ea\u65e2\u5b9a\u7684\u884c\u4e1a\u6807\u51c6\uff0c\u4f8b\u5982\u516c\u5236\u87ba\u7eb9\u7684 GB\/T 16823.1-1997 \u548c\u82f1\u5236\u87ba\u7eb9\u7684 ASME B1.1\u3002<\/p>\n<p style=\"margin-bottom: 15px;\">\u5728\u5de5\u7a0b\u5e94\u7528\u4e2d\uff0c\u51c6\u786e\u4e86\u89e3\u5e94\u529b\u533a\u57df\u53ef\u786e\u4fdd\u8bbe\u8ba1\u5b89\u5168\u9ad8\u6548\uff0c\u9632\u6b62\u8f74\u5411\u8f7d\u8377\u4f5c\u7528\u4e0b\u53d1\u751f\u5931\u6548\u3002\u672c\u56fe\u8868\u63d0\u4f9b\u4e86\u516c\u5236\uff08\u57fa\u4e8e ISO \u6807\u51c6\uff09\u548c\u82f1\u5236\uff08\u7edf\u4e00\u6807\u51c6\uff09\u87ba\u7eb9\u7684\u5168\u9762\u6570\u636e\uff0c\u5305\u62ec\u5404\u79cd\u87ba\u8ddd\u548c\u87ba\u7eb9\u6570\u3002\u53ef\u5229\u7528\u6b64\u8d44\u6e90\u8fdb\u884c\u7ed3\u6784\u5206\u6790\u3001\u7d27\u56fa\u4ef6\u9009\u578b\u4ee5\u53ca\u7b26\u5408\u56fd\u9645\u6807\u51c6\u3002<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>\u516c\u5236\u87ba\u7eb9\u4ee5\u6beb\u7c73\u4e3a\u5355\u4f4d\u8fdb\u884c\u89c4\u683c\uff0c\u5c3a\u5bf8\u8303\u56f4\u4ece M1 \u5230 M70\u3002<\/li>\n<li>\u82f1\u5bf8\u87ba\u7eb9\u5305\u62ec UNC\uff08\u7c97\u7259\uff09\u548c UNF\uff08\u7ec6\u7259\uff09\u7cfb\u5217\uff0c\u4ece #1 \u5230 3-3\/4 \u82f1\u5bf8\u3002<\/li>\n<li>\u6240\u6709\u6570\u503c\u5747\u6309\u7167\u6807\u51c6\u516c\u5f0f\u8fdb\u884c\u9a8c\u8bc1\uff0c\u4ee5\u786e\u4fdd\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u516c\u5236\u87ba\u7eb9\u62c9\u4f38\u5e94\u529b\u9762\u79ef\u8868\uff08\u5355\u4f4d\uff1a\u6beb\u7c73\uff09<\/h2>\n<p style=\"margin-bottom: 15px;\">\u4e0b\u8868\u5217\u51fa\u4e86\u516c\u5236\u87ba\u7eb9\u7684\u6807\u79f0\u76f4\u5f84\u3001\u87ba\u8ddd (P) \u548c\u62c9\u4f38\u5e94\u529b\u9762\u79ef (As\uff0c\u5355\u4f4d\u4e3a mm\u00b2)\u3002\u6570\u636e\u6765\u6e90\u4e8e GB\/T 16823.1-1997\uff0c\u8be5\u6807\u51c6\u5b9a\u4e49\u4e86\u87ba\u7eb9\u7d27\u56fa\u4ef6\u7684\u5e94\u529b\u9762\u79ef\u548c\u627f\u8f7d\u9762\u79ef\u3002\u8bf7\u6ce8\u610f\uff0c\u5bf9\u4e8e\u6bcf\u79cd\u76f4\u5f84\uff0c\u8868\u4e2d\u63d0\u4f9b\u4e86\u591a\u4e2a\u87ba\u8ddd\uff08\u5982\u9002\u7528\uff09\uff0c\u4ee5\u53cd\u6620\u7c97\u7259\u87ba\u7eb9\u548c\u7ec6\u7259\u87ba\u7eb9\u7684\u89c4\u683c\u3002<\/p>\n<div style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 600px; font-size: 14px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u7ebf<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u87ba\u8ddd P\uff08\u6beb\u7c73\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u5e94\u529b\u9762\u79ef As (mm\u00b2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u7ebf<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u87ba\u8ddd P\uff08\u6beb\u7c73\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u5e94\u529b\u9762\u79ef As (mm\u00b2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u7ebf<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u87ba\u8ddd P\uff08\u6beb\u7c73\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u5e94\u529b\u9762\u79ef As (mm\u00b2)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.46<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">84.27<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M36<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">914.54<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">88.13<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M36<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">939.85<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.59<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">92.07<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M39<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">975.76<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.65<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">96.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M39<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1028.39<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.73<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">115.44<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M39<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1082.41<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">124.55<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M39<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1109.94<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.98<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">134<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1120.92<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">156.67<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1148.93<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.27<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">167.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1205.98<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.57<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">178.17<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1264.42<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">192.47<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1306.01<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.04<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">204.18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1336.23<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.07<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">216.24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1397.71<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">228.63<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1460.57<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">244.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1473.16<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.03<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">257.98<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1537.67<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.39<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">271.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1603.57<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">285.38<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1670.85<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.03<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">303.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1757.84<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.61<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">318.06<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1828.25<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.78<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">333.06<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1900.05<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">348.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1973.22<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.78<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">352.51<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M70<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3254.39<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.79<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">384.42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M70<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3446.88<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.32<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">400.89<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M70<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3545.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.76<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">417.71<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M70<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3644.9<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M27<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">459.41<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M70<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3695.27<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M27<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">495.74<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M27<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">514.43<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.03<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M27<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">533.46<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28.86<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">560.59<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">31.14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">621.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">36.61<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">642.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">39.17<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">663.34<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">41.81<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M33<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">693.56<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">57.99<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M33<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">760.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">61.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M33<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">783.91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">64.49<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M36<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">816.73<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">67.88<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M36<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">864.94<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u516c\u5236\u87ba\u7eb9\u7684\u8ba1\u7b97\u516c\u5f0f<\/h2>\n<p style=\"margin-bottom: 15px;\">\u516c\u5236\u87ba\u7eb9\u7684\u62c9\u4f38\u5e94\u529b\u9762\u79ef\u7528\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n<p style=\"margin-bottom: 15px; font-style: italic;\">As = (\u03c0 \/ 4) \u00d7 [(d2 + d\u2083) \/ 2]\u00b2<\/p>\n<p style=\"margin-bottom: 15px;\">\u5728\u54ea\u91cc\uff1a<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>d\u2082\uff1a\u5916\u87ba\u7eb9\u57fa\u672c\u8282\u5706\u76f4\u5f84\uff08\u7b26\u5408GB\/T 196\uff09\u3002<\/li>\n<li>d\u2083\uff1a\u5916\u87ba\u7eb9\u5c0f\u5f84\uff0c\u8ba1\u7b97\u516c\u5f0f\u4e3a d\u2083 = d\u2081 \u2013 H\/6\u3002<\/li>\n<li>d\u2081\uff1a\u5916\u87ba\u7eb9\u57fa\u672c\u5c0f\u5f84\uff08\u6309GB\/T 196\uff09\u3002<\/li>\n<li>H\uff1a\u57fa\u672c\u4e09\u89d2\u5f62\u9ad8\u5ea6\uff08\u6839\u636e GB\/T 192\uff09\u3002<\/li>\n<\/ul>\n<p style=\"margin-bottom: 15px;\">\u8be5\u516c\u5f0f\u53ef\u786e\u4fdd\u5bf9\u5b9a\u5236\u6216\u975e\u6807\u51c6\u87ba\u7eb9\u8fdb\u884c\u7cbe\u786e\u8ba1\u7b97\uff0c\u7b26\u5408 ISO 898-1 \u5bf9\u7d27\u56fa\u4ef6\u5f3a\u5ea6\u7684\u8981\u6c42\u3002<\/p>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u82f1\u5bf8\u87ba\u7eb9\u62c9\u4f38\u5e94\u529b\u9762\u79ef\u8868\uff08\u5355\u4f4d\uff1a\u82f1\u5bf8\uff09<\/h2>\n<p style=\"margin-bottom: 15px;\">\u6b64\u8868\u63d0\u4f9b\u7edf\u4e00\u82f1\u5bf8\u87ba\u7eb9\u7684\u6570\u636e\uff0c\u5305\u62ec\u516c\u79f0\u76f4\u5f84 (d)\u3001\u5c3a\u5bf8\uff08\u82f1\u5bf8\uff09\u3001\u6bcf\u82f1\u5bf8\u87ba\u7eb9\u6570 (n) \u548c\u6297\u62c9\u5e94\u529b\u9762\u79ef\uff08As\uff0c\u5355\u4f4d\u4e3a in\u00b2\uff09\u3002\u6570\u636e\u6db5\u76d6 UNC\uff08\u7c97\u7259\uff09\u548c UNF\uff08\u7ec6\u7259\uff09\u7cfb\u5217\uff0c\u57fa\u4e8e ASME B1.1 \u6807\u51c6\u3002<\/p>\n<div style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 600px; font-size: 14px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u516c\u79f0\u76f4\u5f84 d<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u5c3a\u5bf8\uff08\u82f1\u5bf8\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u7ebf\u7a0b\/n<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u5e94\u529b\u9762\u79ef\uff08\u5e73\u65b9\u82f1\u5bf8\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u516c\u79f0\u76f4\u5f84 d<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u5c3a\u5bf8\uff08\u82f1\u5bf8\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u7ebf\u7a0b\/n<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u5e94\u529b\u9762\u79ef\uff08\u5e73\u65b9\u82f1\u5bf8\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.073<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">64<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00262<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.073<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">72<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00278<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.086<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">56<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.0037<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.086<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">64<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00393<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.099<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00486<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.099<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">56<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00523<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.112<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">40<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00603<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.112<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.0066<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">40<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00796<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">44<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00831<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.138<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">32<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.00909<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.138<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">40<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.01014<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.164<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">32<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.01401<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.164<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">36<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.01473<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.1875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.01695<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.1875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">32<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.01937<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.216<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.02416<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12#<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.216<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.02579<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.03182<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.03637<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5\/16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.3125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.05243<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5\/16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.3125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.05807<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.07749<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.08783<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.4375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.10631<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.4375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.11872<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1\/2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.1419<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1\/2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.15995<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9\/16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5625<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.18194<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9\/16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5625<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.20298<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.625<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.226<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.625<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.25596<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.33446<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.37296<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.46173<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.50947<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.60575<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.66304<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.76328<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.85572<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.96911<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.07295<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-3\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.15488<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-3\/8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.31471<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.40525<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.58102<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-3\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.89946<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.49823<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2-1\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.24769<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2-1\/2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.99883<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2-3\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.93401<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.96737<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3-1\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.09891<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3-1\/2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.32862<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3-3\/4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.65651<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u82f1\u5236\u87ba\u7eb9\u7684\u8ba1\u7b97\u516c\u5f0f<\/h2>\n<p style=\"margin-bottom: 15px;\">\u7edf\u4e00\u82f1\u5bf8\u87ba\u7eb9\u7684\u62c9\u4f38\u5e94\u529b\u9762\u79ef\u8ba1\u7b97\u5982\u4e0b\uff1a<\/p>\n<p style=\"margin-bottom: 15px; font-style: italic;\">As = 0.7854 \u00d7 [d \u2013 (0.9743 \/ n)]\u00b2<\/p>\n<p style=\"margin-bottom: 15px;\">\u5728\u54ea\u91cc\uff1a<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>d\uff1a\u6807\u79f0\u76f4\u5f84\uff0c\u5355\u4f4d\u4e3a\u82f1\u5bf8\u3002<\/li>\n<li>n\uff1a\u6bcf\u82f1\u5bf8\u7684\u7ebf\u6570\u3002<\/li>\n<\/ul>\n<p style=\"margin-bottom: 15px;\">\u8be5\u8fd1\u4f3c\u503c\u6e90\u81ea\u6709\u6548\u76f4\u5f84\uff0c\u5e76\u88ab\u5e7f\u6cdb\u7528\u4e8e ASME \u548c SAE \u6807\u51c6\u4e2d\u7684\u87ba\u6813\u5f3a\u5ea6\u8ba1\u7b97\u3002<\/p>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u5728\u673a\u68b0\u8bbe\u8ba1\u4e2d\u7684\u5e94\u7528\u53ca\u91cd\u8981\u6027<\/h2>\n<p style=\"margin-bottom: 15px;\">\u62c9\u4f38\u5e94\u529b\u533a\u57df\u5bf9\u4e8e\u4f7f\u7528\u516c\u5f0f F = As \u00d7 \u03c3 \u786e\u5b9a\u87ba\u7eb9\u7d27\u56fa\u4ef6\u7684\u5141\u8bb8\u62c9\u4f38\u8f7d\u8377\u81f3\u5173\u91cd\u8981\uff0c\u5176\u4e2d \u03c3 \u4e3a\u6750\u6599\u7684\u6297\u62c9\u5f3a\u5ea6\u3002\u8fd9\u6709\u52a9\u4e8e\uff1a<\/p>\n<ol style=\"list-style-type: decimal; margin-left: 20px; margin-bottom: 15px;\">\n<li>\u5728\u6c7d\u8f66\u3001\u822a\u7a7a\u822a\u5929\u548c\u5efa\u7b51\u884c\u4e1a\u4e2d\uff0c\u5982\u4f55\u4e3a\u7ed3\u6784\u8fde\u63a5\u9009\u62e9\u5408\u9002\u7684\u87ba\u6813\u5c3a\u5bf8\u3002<\/li>\n<li>\u786e\u4fdd\u5728\u9ad8\u8d1f\u8377\u5e94\u7528\uff08\u5982\u538b\u529b\u5bb9\u5668\u6216\u673a\u68b0\uff09\u4e2d\u7b26\u5408\u5b89\u5168\u7cfb\u6570\u3002<\/li>\n<li>\u901a\u8fc7\u6bd4\u8f83\u7c97\u87ba\u7eb9\u548c\u7ec6\u87ba\u7eb9\u5728\u6297\u75b2\u52b3\u6027\u6216\u88c5\u914d\u4fbf\u6377\u6027\u65b9\u9762\u7684\u5dee\u5f02\u6765\u4f18\u5316\u8bbe\u8ba1\u3002<\/li>\n<\/ol>\n<p style=\"margin-bottom: 15px;\">\u52a1\u5fc5\u6309\u7167\u76f8\u5173\u6807\u51c6\u6838\u5b9e\u6750\u6599\u7279\u6027\u548c\u556e\u5408\u957f\u5ea6\uff0c\u4ee5\u907f\u514d\u8bbe\u8ba1\u4e0d\u8db3\u6216\u8fc7\u5ea6\u8bbe\u8ba1\u3002<\/p>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54 (FAQ)<\/h2>\n<dl style=\"margin-bottom: 15px;\">\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u62c9\u4f38\u5e94\u529b\u9762\u79ef\u548c\u5c0f\u5f84\u9762\u79ef\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/dt>\n<dd style=\"margin-bottom: 15px;\">\u62c9\u4f38\u5e94\u529b\u9762\u79ef (As) \u662f\u4e00\u4e2a\u6709\u6548\u9762\u79ef\uff0c\u5b83\u8003\u8651\u4e86\u87ba\u7eb9\u6839\u90e8\u7684\u51e0\u4f55\u5f62\u72b6\uff0c\u901a\u5e38\u5927\u4e8e\u5c0f\u5f84\u9762\u79ef\uff0c\u4ee5\u53cd\u6620\u5b9e\u9645\u7684\u8f7d\u8377\u5206\u5e03\u3002\u5b83\u7528\u4e8e\u5f3a\u5ea6\u8ba1\u7b97\uff0c\u800c\u5c0f\u5f84\u9762\u79ef\u5219\u7eaf\u7cb9\u662f\u51e0\u4f55\u5f62\u72b6\u7684\u3002<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u87ba\u8ddd\u5982\u4f55\u5f71\u54cd\u516c\u5236\u87ba\u7eb9\u7684\u53d7\u529b\u9762\u79ef\uff1f<\/dt>\n<dd style=\"margin-bottom: 15px;\">\u8f83\u5c0f\u7684\u87ba\u8ddd\u4f1a\u5bfc\u81f4\u76f8\u540c\u76f4\u5f84\u4e0b\u5e94\u529b\u9762\u79ef\u589e\u5927\uff0c\u56e0\u4e3a\u6709\u6548\u76f4\u5f84\u589e\u5927\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e M12 \u87ba\u7eb9\uff0c1 mm \u87ba\u8ddd\u5bf9\u5e94\u7684\u5e94\u529b\u9762\u79ef As = 96.1 mm\u00b2\uff0c\u800c 1.75 mm \u87ba\u8ddd\u5bf9\u5e94\u7684\u5e94\u529b\u9762\u79ef As \u4e3a 84.27 mm\u00b2\u3002<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u8fd9\u4e9b\u6570\u503c\u662f\u5426\u540c\u65f6\u9002\u7528\u4e8e\u87ba\u6813\u548c\u87ba\u9489\uff1f<\/dt>\n<dd style=\"margin-bottom: 15px;\">\u662f\u7684\uff0c\u6839\u636eGB\/T 16823.1\u548cASME B1.1\u6807\u51c6\uff0c\u8fd9\u4e9b\u5e94\u529b\u533a\u57df\u9002\u7528\u4e8e\u87ba\u6813\u548c\u87ba\u9489\u7684\u5916\u87ba\u7eb9\uff0c\u524d\u63d0\u662f\u87ba\u7eb9\u4e3a\u6807\u51c6\u5f62\u72b6\u3002\u5bf9\u4e8e\u5185\u87ba\u7eb9\uff0c\u526a\u5207\u533a\u57df\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u4e3a\u4ec0\u4e48\u4f7f\u7528\u7ec6\u7ebf\u800c\u4e0d\u662f\u7c97\u7ebf\uff1f<\/dt>\n<dd style=\"margin-bottom: 15px;\">\u7ec6\u87ba\u7eb9\u7531\u4e8e\u87ba\u7eb9\u6839\u90e8\u8f83\u6d45\uff0c\u5e94\u529b\u96c6\u4e2d\u533a\u57df\u66f4\u5927\uff0c\u6297\u75b2\u52b3\u6027\u80fd\u66f4\u4f73\uff0c\u975e\u5e38\u9002\u5408\u6613\u53d7\u632f\u52a8\u7684\u5e94\u7528\u573a\u5408\u3002\u800c\u7c97\u87ba\u7eb9\u5219\u66f4\u6613\u4e8e\u88c5\u914d\uff0c\u4e14\u526a\u5207\u5f3a\u5ea6\u66f4\u9ad8\u3002<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u5982\u4f55\u8ba1\u7b97\u975e\u6807\u87ba\u7eb9\u7684\u5e94\u529b\u9762\u79ef\uff1f<\/dt>\n<dd style=\"margin-bottom: 15px;\">\u4f7f\u7528 GB\/T 196 \u6216 ASME B1.1 \u4e2d\u63d0\u4f9b\u7684\u7cbe\u786e\u5c3a\u5bf8\u7684\u516c\u5f0f\u3002\u4e3a\u4e86\u4fdd\u8bc1\u7cbe\u5ea6\uff0c\u6d4b\u91cf d\u2082 \u548c d\u2083\uff0c\u6216\u8005\u54a8\u8be2\u7b26\u5408 ISO 898-1 \u6807\u51c6\u7684\u8f6f\u4ef6\u5de5\u5177\u3002<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u516c\u5236\u548c\u82f1\u5236\u5355\u4f4d\u4e4b\u95f4\u7684\u6362\u7b97\u662f\u5426\u7b80\u5355\uff1f<\/dt>\n<dd style=\"margin-bottom: 15px;\">\u4e0d\uff0c\u56e0\u4e3a\u87ba\u7eb9\u5f62\u72b6\u4e0d\u540c\u3002\u5355\u4f4d\u9700\u8981\u8f6c\u6362\uff081 in\u00b2 = 645.16 mm\u00b2\uff09\uff0c\u4f46\u5e94\u6839\u636e\u8d1f\u8f7d\u8981\u6c42\u9009\u62e9\u7b49\u6548\u5c3a\u5bf8\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u5339\u914d\u5c3a\u5bf8\u3002<\/dd>\n<\/dl>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction to Thread Tensile Stress Areas The tensile stress area of a thread, often denoted as As, represents the effective cross-sectional area that bears the tensile load in threaded fasteners. This parameter is crucial in mechanical design for calculating the strength and load-bearing capacity of bolts, screws, and other threaded components. It accounts for the [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5769","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5769","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/comments?post=5769"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5769\/revisions"}],"predecessor-version":[{"id":5770,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5769\/revisions\/5770"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/media?parent=5769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/categories?post=5769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/tags?post=5769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}