{"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\/it\/blog\/thread-tensile-stress-area-chart-metric-inch\/","title":{"rendered":"Tabella delle aree di sollecitazione a trazione del filo: metriche e pollici"},"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;\">Introduzione alle aree di stress di trazione del filo<\/h2>\n<p style=\"margin-bottom: 15px;\">L'area di sollecitazione a trazione di una filettatura, spesso indicata con As, rappresenta l'area effettiva della sezione trasversale che sopporta il carico di trazione negli elementi di fissaggio filettati. Questo parametro \u00e8 fondamentale nella progettazione meccanica per calcolare la resistenza e la capacit\u00e0 portante di bulloni, viti e altri componenti filettati. Tiene conto della geometria della filettatura ed \u00e8 derivato da standard di settore consolidati come GB\/T 16823.1-1997 per le filettature metriche e ASME B1.1 per le filettature unificate in pollici.<\/p>\n<p style=\"margin-bottom: 15px;\">Nelle applicazioni ingegneristiche, una conoscenza accurata dell'area di sollecitazione garantisce progetti sicuri ed efficienti, prevenendo guasti sotto carichi assiali. Questa tabella fornisce dati completi per filettature metriche (ISO) e in pollici (unificate), inclusi vari passi e conteggi di filettature. Utilizzate questa risorsa per l'analisi strutturale, la selezione degli elementi di fissaggio e la conformit\u00e0 agli standard internazionali.<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>Le filettature metriche sono specificate in millimetri e coprono le dimensioni da M1 a M70.<\/li>\n<li>Le filettature in pollici includono le serie UNC (grossa) e UNF (fine), da #1 a 3-3\/4 pollici.<\/li>\n<li>Tutti i valori vengono verificati in base a formule standard per garantirne l'affidabilit\u00e0.<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">Tabella delle aree di sollecitazione a trazione delle filettature metriche (unit\u00e0: mm)<\/h2>\n<p style=\"margin-bottom: 15px;\">La tabella seguente elenca il diametro nominale, il passo (P) e l'area di sollecitazione a trazione (A in mm\u00b2) per le filettature metriche. I dati provengono da GB\/T 16823.1-1997, che definisce le aree di sollecitazione e di appoggio per gli elementi di fissaggio filettati. Si noti che per ciascun diametro, ove applicabile, vengono forniti pi\u00f9 passi, che riflettono le opzioni di filettatura grossa e fine.<\/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;\">Filo<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Passo P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Area di stress As (mm\u00b2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Filo<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Passo P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Area di stress As (mm\u00b2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Filo<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Passo P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Area di stress 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;\">Formula di calcolo per filettature metriche<\/h2>\n<p style=\"margin-bottom: 15px;\">L'area di sollecitazione a trazione per le filettature metriche viene calcolata utilizzando la formula:<\/p>\n<p style=\"margin-bottom: 15px; font-style: italic;\">As = (\u03c0 \/ 4) \u00d7 [(d\u2082 + d\u2083) \/ 2]\u00b2<\/p>\n<p style=\"margin-bottom: 15px;\">Dove:<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>d\u2082: Diametro primitivo di base della filettatura esterna (secondo GB\/T 196).<\/li>\n<li>d\u2083: Diametro minore della filettatura esterna, calcolato come d\u2083 = d\u2081 \u2013 H\/6.<\/li>\n<li>d\u2081: Diametro minore di base della filettatura esterna (secondo GB\/T 196).<\/li>\n<li>H: Altezza fondamentale del triangolo (secondo GB\/T 192).<\/li>\n<\/ul>\n<p style=\"margin-bottom: 15px;\">Questa formula garantisce un calcolo preciso per filettature personalizzate o non standard, in linea con i requisiti ISO 898-1 per la resistenza degli elementi di fissaggio.<\/p>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">Tabella delle aree di sollecitazione a trazione della filettatura in pollici (unit\u00e0: pollici)<\/h2>\n<p style=\"margin-bottom: 15px;\">Questa tabella fornisce dati per filettature unificate in pollici, inclusi diametro nominale (d), dimensione in pollici, filettature per pollice (n) e area di sollecitazione a trazione (As in in\u00b2). Copre sia la serie UNC (grossa) che UNF (fine), in base agli standard ASME B1.1.<\/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;\">Diametro nominale d<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Dimensioni (pollici)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Discussioni\/n<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Area di stress As (in\u00b2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Diametro nominale d<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Dimensioni (pollici)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Discussioni\/n<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Area di stress As (in\u00b2)<\/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;\">Formula di calcolo per filettature in pollici<\/h2>\n<p style=\"margin-bottom: 15px;\">L'area di sollecitazione a trazione per filettature unificate in pollici viene calcolata come:<\/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;\">Dove:<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>d: Diametro nominale in pollici.<\/li>\n<li>n: Numero di fili per pollice.<\/li>\n<\/ul>\n<p style=\"margin-bottom: 15px;\">Questa approssimazione deriva dal diametro effettivo ed \u00e8 ampiamente utilizzata negli standard ASME e SAE per i calcoli della resistenza dei bulloni.<\/p>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">Applicazioni e importanza nella progettazione meccanica<\/h2>\n<p style=\"margin-bottom: 15px;\">Le aree di sollecitazione a trazione sono essenziali per determinare il carico di trazione ammissibile degli elementi di fissaggio filettati utilizzando la formula: F = As \u00d7 \u03c3, dove \u03c3 \u00e8 la resistenza a trazione del materiale. Questo aiuta a:<\/p>\n<ol style=\"list-style-type: decimal; margin-left: 20px; margin-bottom: 15px;\">\n<li>Selezione delle dimensioni appropriate dei bulloni per giunti strutturali nei settori automobilistico, aerospaziale ed edile.<\/li>\n<li>Garantire la conformit\u00e0 ai fattori di sicurezza in applicazioni ad alto carico come recipienti a pressione o macchinari.<\/li>\n<li>Ottimizzazione dei progetti confrontando filettature grosse e fini per resistenza alla fatica o facilit\u00e0 di assemblaggio.<\/li>\n<\/ol>\n<p style=\"margin-bottom: 15px;\">Verificare sempre le propriet\u00e0 dei materiali e le lunghezze di innesto in base agli standard pertinenti per evitare una progettazione insufficiente o eccessiva.<\/p>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">Domande frequenti (FAQ)<\/h2>\n<dl style=\"margin-bottom: 15px;\">\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">Qual \u00e8 la differenza tra l'area di sollecitazione di trazione e l'area del diametro minore?<\/dt>\n<dd style=\"margin-bottom: 15px;\">L'area di sollecitazione a trazione (As) \u00e8 un'area efficace che tiene conto della geometria del piede della filettatura, in genere pi\u00f9 grande dell'area del diametro minore per riflettere l'effettiva distribuzione del carico. Viene utilizzata per i calcoli di resistenza, mentre l'area del diametro minore \u00e8 puramente geometrica.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">In che modo il passo influisce sull'area di stress nelle filettature metriche?<\/dt>\n<dd style=\"margin-bottom: 15px;\">Passi pi\u00f9 piccoli comportano aree di sollecitazione maggiori a parit\u00e0 di diametro, poich\u00e9 aumentano il diametro effettivo. Ad esempio, in M12, un passo di 1 mm produce As = 96,1 mm\u00b2, rispetto agli 84,27 mm\u00b2 di un passo di 1,75 mm.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">Questi valori sono applicabili sia ai bulloni che alle viti?<\/dt>\n<dd style=\"margin-bottom: 15px;\">S\u00ec, queste aree di sollecitazione si applicano alle filettature esterne di bulloni e viti secondo GB\/T 16823.1 e ASME B1.1, presupponendo forme di filettatura standard. Per le filettature interne, le aree di taglio possono variare.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">Perch\u00e9 usare fili sottili invece di quelli grossi?<\/dt>\n<dd style=\"margin-bottom: 15px;\">Le filettature fini offrono aree di maggiore sollecitazione e una migliore resistenza alla fatica grazie a radici pi\u00f9 superficiali, ideali per applicazioni soggette a vibrazioni. Tuttavia, le filettature grosse offrono un assemblaggio pi\u00f9 semplice e una maggiore resistenza al taglio.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">Come calcolare l'area di sollecitazione per filettature non standard?<\/dt>\n<dd style=\"margin-bottom: 15px;\">Utilizzare le formule fornite con dimensioni precise da GB\/T 196 o ASME B1.1. Per la precisione, misurare d\u2082 e d\u2083 o consultare strumenti software conformi a ISO 898-1.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">La conversione tra il sistema metrico e quello in pollici \u00e8 semplice?<\/dt>\n<dd style=\"margin-bottom: 15px;\">No, a causa delle diverse forme delle filettature. Convertire le unit\u00e0 (1 in\u00b2 = 645,16 mm\u00b2), ma selezionare dimensioni equivalenti in base ai requisiti di carico, non alla corrispondenza dimensionale diretta.<\/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\/it\/wp-json\/wp\/v2\/posts\/5769","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/comments?post=5769"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/posts\/5769\/revisions"}],"predecessor-version":[{"id":5770,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/posts\/5769\/revisions\/5770"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/media?parent=5769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/categories?post=5769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/tags?post=5769"}],"curies":[{"name":"parola chiave","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}