{"id":5561,"date":"2025-12-19T08:38:52","date_gmt":"2025-12-19T08:38:52","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5561"},"modified":"2025-12-19T08:38:52","modified_gmt":"2025-12-19T08:38:52","slug":"mechanical-performance-standards-for-stainless-steel-fasteners-gb-t-3098-6-2014","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/mechanical-performance-standards-for-stainless-steel-fasteners-gb-t-3098-6-2014\/","title":{"rendered":"Ti\u00eau chu\u1ea9n v\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a \u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 GB\/T 3098.6-2014"},"content":{"rendered":"
\n

Ti\u00eau chu\u1ea9n GB\/T 3098.6-2014 quy \u0111\u1ecbnh c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a bu l\u00f4ng, v\u00edt v\u00e0 \u0111inh t\u00e1n l\u00e0m t\u1eeb th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ed1ng \u0103n m\u00f2n khi \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u1edf d\u1ea3i nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng t\u1eeb 10\u00b0C \u0111\u1ebfn 35\u00b0C. Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i \u1ed1c v\u00edt c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ren danh ngh\u0129a t\u1eeb 5 mm \u0111\u1ebfn 100 mm, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. N\u00f3 ph\u00e2n lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 th\u00e0nh c\u00e1c nh\u00f3m austenit, martenit v\u00e0 ferrit, x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ea5p t\u00ednh ch\u1ea5t d\u1ef1a tr\u00ean \u0111\u1ed9 b\u1ec1n k\u00e9o, gi\u1edbi h\u1ea1n ch\u1ea3y, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 \u0111\u1ed9 c\u1ee9ng.<\/p>\n

T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/h2>\n

C\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c n\u00eau trong ti\u00eau chu\u1ea9n GB\/T 3098.6-2014 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n k\u1ebft h\u1ee3p v\u1edbi \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u cho \u0111\u1ed9 b\u1ec1n k\u00e9o (Rm), \u1ee9ng su\u1ea5t ch\u1ea3y (Rp0.2), \u0111\u1ed9 gi\u00e3n d\u00e0i sau khi \u0111\u1ee9t (A) v\u00e0 ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng cho c\u00e1c nh\u00f3m th\u00e9p v\u00e0 c\u1ea5p \u0111\u1ed9 \u0111\u1eb7c t\u00ednh kh\u00e1c nhau.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
T\u1eadp \u0111o\u00e0n th\u00e9p<\/th>\nTh\u00e9p c\u1ea5p<\/th>\nL\u1edbp t\u00e0i s\u1ea3n<\/th>\n\u0110\u1ed9 b\u1ec1n k\u00e9o Rm (MPa) min<\/th>\n\u1ee8ng su\u1ea5t gi\u1edbi h\u1ea1n Rp0,2 (MPa) t\u1ed1i thi\u1ec3u<\/th>\n\u0110\u1ed9 gi\u00e3n d\u00e0i A ph\u00fat (t\u00ednh b\u1eb1ng b\u1ed9i s\u1ed1 c\u1ee7a d)<\/th>\n\u0110\u1ed9 c\u1ee9ng HB<\/th>\n\u0110\u1ed9 c\u1ee9ng HRC<\/th>\n\u0110\u1ed9 c\u1ee9ng HV<\/th>\n<\/tr>\n
ph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\n<\/tr>\n<\/thead>\n
Austenit<\/td>\nA1, A2, A3, A4, A5<\/td>\n50<\/td>\n500<\/td>\n210<\/td>\n0,6 ng\u00e0y<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
70<\/td>\n700<\/td>\n450<\/td>\n0,4 ng\u00e0y<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
80<\/td>\n800<\/td>\n600<\/td>\n0,3 ng\u00e0y<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
Martensitic<\/td>\nC1<\/td>\n50<\/td>\n500<\/td>\n250<\/td>\n0,2 ng\u00e0y<\/td>\n147<\/td>\n209<\/td>\n–<\/td>\n–<\/td>\n155<\/td>\n220<\/td>\n<\/tr>\n
70<\/td>\n700<\/td>\n410<\/td>\n0,2 ng\u00e0y<\/td>\n209<\/td>\n314<\/td>\n20<\/td>\n34<\/td>\n220<\/td>\n330<\/td>\n<\/tr>\n
1101<\/sup><\/td>\n1100<\/td>\n820<\/td>\n0,2 ng\u00e0y<\/td>\n–<\/td>\n–<\/td>\n36<\/td>\n45<\/td>\n350<\/td>\n440<\/td>\n<\/tr>\n
Martensitic<\/td>\nC3<\/td>\n80<\/td>\n800<\/td>\n640<\/td>\n0,2 ng\u00e0y<\/td>\n228<\/td>\n323<\/td>\n21<\/td>\n35<\/td>\n240<\/td>\n340<\/td>\n<\/tr>\n
Martensitic<\/td>\nC4<\/td>\n50<\/td>\n500<\/td>\n250<\/td>\n0,2 ng\u00e0y<\/td>\n147<\/td>\n209<\/td>\n–<\/td>\n–<\/td>\n155<\/td>\n220<\/td>\n<\/tr>\n
70<\/td>\n700<\/td>\n410<\/td>\n0,2 ng\u00e0y<\/td>\n209<\/td>\n314<\/td>\n20<\/td>\n34<\/td>\n220<\/td>\n330<\/td>\n<\/tr>\n
S\u1eaft(III)<\/td>\nF12<\/sup><\/td>\n45<\/td>\n450<\/td>\n250<\/td>\n0,2 ng\u00e0y<\/td>\n128<\/td>\n209<\/td>\n–<\/td>\n–<\/td>\n135<\/td>\n220<\/td>\n<\/tr>\n
60<\/td>\n600<\/td>\n410<\/td>\n0,2 ng\u00e0y<\/td>\n171<\/td>\n271<\/td>\n–<\/td>\n–<\/td>\n180<\/td>\n285<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1<\/sup> T\u00f4i v\u00e0 ram \u1edf nhi\u1ec7t \u0111\u1ed9 ram t\u1ed1i thi\u1ec3u 275\u00b0C.
\n2<\/sup> \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ren danh ngh\u0129a d \u2264 24 mm.<\/p>\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/h2>\n

C\u00e1c y\u00eau c\u1ea7u v\u1ec1 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc trong ti\u00eau chu\u1ea9n GB\/T 3098.6-2014 quy \u0111\u1ecbnh gi\u1edbi h\u1ea1n nguy\u00ean t\u1ed1 cho c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p. Th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cung c\u1ea5p gi\u1edbi h\u1ea1n ph\u1ea7n tr\u0103m cho c\u00e1c nguy\u00ean t\u1ed1 ch\u00ednh trong m\u1ed7i lo\u1ea1i th\u00e9p.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Th\u00e9p c\u1ea5p<\/th>\nT\u1eadp \u0111o\u00e0n th\u00e9p<\/th>\nC (%)<\/th>\nSi (%) t\u1ed1i \u0111a<\/th>\nMn (%) t\u1ed1i \u0111a<\/th>\nP (%) t\u1ed1i \u0111a<\/th>\nS (%)<\/th>\nN (%) t\u1ed1i \u0111a<\/th>\nCr (%)<\/th>\nMo (%)<\/th>\nNi (%)<\/th>\nCu (%)<\/th>\nKh\u00e1c (%)<\/th>\n<\/tr>\n
ph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\n<\/tr>\n<\/thead>\n
A1<\/td>\nAustenit<\/td>\n–<\/td>\n0.12<\/td>\n1<\/td>\n6.5<\/td>\n0.20<\/td>\n0.153<\/sup><\/td>\n0.353<\/sup><\/td>\n–<\/td>\n16<\/td>\n19<\/td>\n–<\/td>\n0.70<\/td>\n5.04<\/sup><\/td>\n10.05<\/sup><\/td>\n1.75<\/td>\n2.25<\/td>\n–<\/td>\n<\/tr>\n
A2<\/td>\n–<\/td>\n0.106<\/sup><\/td>\n1<\/td>\n2.0<\/td>\n0.05<\/td>\n–<\/td>\n0.03<\/td>\n–<\/td>\n157<\/sup><\/td>\n20<\/td>\n–<\/td>\n–8<\/sup><\/td>\n8.0<\/td>\n19.0<\/td>\n–<\/td>\n4.0<\/td>\n–<\/td>\n<\/tr>\n
A39<\/sup><\/td>\n–<\/td>\n0.08<\/td>\n1<\/td>\n2.0<\/td>\n0.05<\/td>\n–<\/td>\n0.03<\/td>\n–<\/td>\n17<\/td>\n19<\/td>\n–<\/td>\n–<\/td>\n9.0<\/td>\n12.0<\/td>\n–<\/td>\n1.0<\/td>\n–<\/td>\n<\/tr>\n
A410<\/sup><\/td>\n–<\/td>\n0.086<\/sup><\/td>\n1<\/td>\n2.0<\/td>\n0.05<\/td>\n–<\/td>\n0.03<\/td>\n–<\/td>\n16<\/td>\n18<\/td>\n2<\/td>\n3<\/td>\n10.0<\/td>\n15.0<\/td>\n–<\/td>\n4.0<\/td>\n–<\/td>\n<\/tr>\n
A59,10<\/sup><\/td>\n–<\/td>\n0.08<\/td>\n1<\/td>\n2.0<\/td>\n0.05<\/td>\n–<\/td>\n0.03<\/td>\n–<\/td>\n16<\/td>\n19<\/td>\n2<\/td>\n3<\/td>\n10.5<\/td>\n14.0<\/td>\n–<\/td>\n1.0<\/td>\n–<\/td>\n<\/tr>\n
C110<\/sup><\/td>\nMartensitic<\/td>\n0.09<\/td>\n0.15<\/td>\n1<\/td>\n1.0<\/td>\n0.05<\/td>\n–<\/td>\n0.03<\/td>\n–<\/td>\n12<\/td>\n14<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n1.0<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
C3<\/td>\n0.17<\/td>\n0.25<\/td>\n1<\/td>\n1.0<\/td>\n0.04<\/td>\n–<\/td>\n0.03<\/td>\n–<\/td>\n16<\/td>\n18<\/td>\n–<\/td>\n–<\/td>\n1.5<\/td>\n2.5<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
C410<\/sup><\/td>\n0.08<\/td>\n0.15<\/td>\n1<\/td>\n1.5<\/td>\n0.06<\/td>\n0.153<\/sup><\/td>\n0.353<\/sup><\/td>\n–<\/td>\n12<\/td>\n14<\/td>\n–<\/td>\n0.60<\/td>\n–<\/td>\n1.0<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
F111<\/sup><\/td>\nS\u1eaft(III)<\/td>\n–<\/td>\n0.12<\/td>\n1<\/td>\n1.0<\/td>\n0.04<\/td>\n–<\/td>\n0.03<\/td>\n–<\/td>\n15<\/td>\n18<\/td>\n–<\/td>\n–12<\/sup><\/td>\n–<\/td>\n1.0<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3<\/sup> L\u01b0u hu\u1ef3nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng selen.
\n4<\/sup> N\u1ebfu h\u00e0m l\u01b0\u1ee3ng niken th\u1ea5p h\u01a1n 8%, th\u00ec h\u00e0m l\u01b0\u1ee3ng mangan t\u1ed1i thi\u1ec3u ph\u1ea3i l\u00e0 5%.
\n5<\/sup> N\u1ebfu h\u00e0m l\u01b0\u1ee3ng niken cao h\u01a1n 8%, th\u00ec kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed3ng t\u1ed1i thi\u1ec3u.
\n6<\/sup> \u0110\u1ed1i v\u1edbi th\u00e9p austenit c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon t\u1ed1i \u0111a l\u00e0 0,03%, nit\u01a1 c\u00f3 th\u1ec3 c\u00f3 m\u1eb7t v\u1edbi h\u00e0m l\u01b0\u1ee3ng l\u00ean \u0111\u1ebfn 0,22%.
\n7<\/sup> N\u1ebfu h\u00e0m l\u01b0\u1ee3ng crom th\u1ea5p h\u01a1n 17%, th\u00ec h\u00e0m l\u01b0\u1ee3ng niken t\u1ed1i thi\u1ec3u ph\u1ea3i l\u00e0 12%.
\n8<\/sup> Vi\u1ec7c c\u00f3 m\u1eb7t molypden hay kh\u00f4ng l\u00e0 t\u00f9y thu\u1ed9c v\u00e0o quy\u1ebft \u0111\u1ecbnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng, gi\u1edbi h\u1ea1n v\u1ec1 h\u00e0m l\u01b0\u1ee3ng molypden c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong \u0111\u01a1n \u0111\u1eb7t h\u00e0ng.
\n9<\/sup> C\u00e1c lo\u1ea1i \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh: H\u00e0m l\u01b0\u1ee3ng titan \u2265 5\u00d7C% \u0111\u1ebfn 0,8%, ho\u1eb7c niobi v\u00e0\/ho\u1eb7c tantali \u2265 10\u00d7C% \u0111\u1ebfn 1,0%.
\n10<\/sup> \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc theo y\u00eau c\u1ea7u, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u01b0\u1ee3ng cacbon cao h\u01a1n, l\u00ean \u0111\u1ebfn 0,12% \u0111\u1ed1i v\u1edbi th\u00e9p austenit.
\n11<\/sup> C\u00f3 th\u1ec3 ch\u1ee9a titan \u2265 5\u00d7C% \u0111\u1ebfn 0,8%, ho\u1eb7c niobi v\u00e0\/ho\u1eb7c tantali \u2265 10\u00d7C% \u0111\u1ebfn 1,0%.
\n12<\/sup> Vi\u1ec7c c\u00f3 th\u00eam molypden hay kh\u00f4ng l\u00e0 t\u00f9y thu\u1ed9c v\u00e0o quy\u1ebft \u0111\u1ecbnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n
\n
1. Ph\u1ea1m vi \u00e1p d\u1ee5ng c\u1ee7a ti\u00eau chu\u1ea9n GB\/T 3098.6-2014 l\u00e0 g\u00ec?<\/dt>\n
Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i bu l\u00f4ng, v\u00edt v\u00e0 \u0111inh t\u00e1n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ren danh ngh\u0129a t\u1eeb 5 mm \u0111\u1ebfn 100 mm, \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng t\u1eeb 10\u00b0C \u0111\u1ebfn 35\u00b0C.<\/dd>\n
2. Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c lo\u1ea1i t\u00e0i s\u1ea3n nh\u01b0 th\u1ebf n\u00e0o?<\/dt>\n
C\u00e1c c\u1ea5p \u0111\u1ed9 b\u1ec1n nh\u01b0 50, 70, 80 v\u00e0 110 bi\u1ec3u th\u1ecb \u0111\u1ed9 b\u1ec1n k\u00e9o danh ngh\u0129a t\u00ednh b\u1eb1ng MPa chia cho 10, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho th\u00e9p kh\u00f4ng g\u1ec9 austenit, martenit ho\u1eb7c ferrit.<\/dd>\n
3. Th\u00e9p mactenxit c\u1ea5p C1 thu\u1ed9c lo\u1ea1i 110 c\u1ea7n x\u1eed l\u00fd nhi\u1ec7t nh\u01b0 th\u1ebf n\u00e0o?<\/dt>\n
\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc quy \u0111\u1ecbnh, th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c t\u00f4i v\u00e0 ram \u1edf nhi\u1ec7t \u0111\u1ed9 ram t\u1ed1i thi\u1ec3u 275\u00b0C.<\/dd>\n
4. C\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf n\u00e0o v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh ren \u0111\u1ed1i v\u1edbi th\u00e9p ferrit c\u1ea5p F1?<\/dt>\n
\u0110\u00fang v\u1eady, c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a F1 \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i \u1ed1c v\u00edt c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ren danh ngh\u0129a l\u00ean \u0111\u1ebfn 24 mm.<\/dd>\n
5. Ti\u00eau chu\u1ea9n n\u00e0y x\u1eed l\u00fd qu\u00e1 tr\u00ecnh \u1ed5n \u0111\u1ecbnh h\u00f3a trong c\u00e1c lo\u1ea1i th\u00e9p austenit nh\u01b0 A3 v\u00e0 A5 nh\u01b0 th\u1ebf n\u00e0o?<\/dt>\n
Qu\u00e1 tr\u00ecnh \u1ed5n \u0111\u1ecbnh \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua vi\u1ec7c b\u1ed5 sung titan (\u2265 5\u00d7C% \u0111\u1ebfn 0,8%) ho\u1eb7c niobi\/tantalum (\u2265 10\u00d7C% \u0111\u1ebfn 1,0%) \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft t\u1ee7a cacbua v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/dd>\n
6. C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh h\u00e0m l\u01b0\u1ee3ng molypden trong th\u00e9p c\u1ea5p A2 kh\u00f4ng?<\/dt>\n
Nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u00f9y \u00fd th\u00eam molypden, nh\u01b0ng c\u1ea7n ghi r\u00f5 gi\u1edbi h\u1ea1n c\u1ee5 th\u1ec3 trong \u0111\u01a1n \u0111\u1eb7t h\u00e0ng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c.<\/dd>\n<\/dl>\n<\/div>","protected":false},"excerpt":{"rendered":"

GB\/T 3098.6-2014 specifies the mechanical properties of bolts, screws, and studs made from corrosion-resistant stainless steels when tested at an ambient temperature range of 10\u00b0C to 35\u00b0C. This standard applies to fasteners with nominal thread diameters from 5 mm to 100 mm, ensuring reliable performance in various industrial applications. It categorizes stainless steels into austenitic, […]<\/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-5561","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5561","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/comments?post=5561"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5561\/revisions"}],"predecessor-version":[{"id":5563,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5561\/revisions\/5563"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5561"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}