{"id":7408,"date":"2025-10-09T05:02:52","date_gmt":"2025-10-08T21:02:52","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7408"},"modified":"2026-06-24T05:03:55","modified_gmt":"2026-06-23T21:03:55","slug":"low-temperature-impact-strength-requirements-for-fasteners","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/low-temperature-impact-strength-requirements-for-fasteners\/","title":{"rendered":"Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u0111\u1ed1i v\u1edbi \u1ed1c v\u00edt"},"content":{"rendered":"<p>\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u00e0 m\u1ed9t trong nh\u1eefng y\u00eau c\u1ea7u quan tr\u1ecdng nh\u1ea5t nh\u01b0ng th\u01b0\u1eddng b\u1ecb hi\u1ec3u l\u1ea7m khi l\u1ef1a ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t. Trong \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng b\u00ecnh th\u01b0\u1eddng, bu l\u00f4ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o d\u01b0\u1edbi t\u1ea3i tr\u1ecdng k\u00e9o v\u00e0 c\u1eaft. Tuy nhi\u00ean, khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng, h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u s\u1ebd thay \u0111\u1ed5i. N\u1ebfu kh\u00f4ng ki\u1ec3m so\u00e1t c\u01b0\u1eddng \u0111\u1ed9 va \u0111\u1eadp th\u00edch h\u1ee3p, \u1ed1c v\u00edt c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng \u0111\u1ed9t ng\u1ed9t v\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i kh\u01a1i, c\u01a1 s\u1edf LNG, x\u00e2y d\u1ef1ng v\u00f9ng l\u1ea1nh, h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng gi\u00f3 v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. Trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng n\u00e0y, \u1ed1c v\u00edt kh\u00f4ng ch\u1ec9 ph\u1ea3i ch\u1ecbu t\u1ea3i tr\u1ecdng t\u0129nh m\u00e0 c\u00f2n ph\u1ea3i ch\u1ecbu s\u1ed1c, rung v\u00e0 chu k\u1ef3 nhi\u1ec7t.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ed1c v\u00edt c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 d\u00e0nh ri\u00eang cho \u1ee9ng d\u1ee5ng, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/high-strength-fasteners\/\">\u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ee9c m\u1ea1nh t\u00e1c \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ed1ng g\u00e3y x\u01b0\u01a1ng \u0111\u1ed9t ng\u1ed9t trong \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh<\/h3>\n\n\n\n<p>\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t v\u00e0 ch\u1ed1ng l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng g\u00e3y gi\u00f2n khi ch\u1ecbu t\u1ea3i tr\u1ecdng \u0111\u1ed9t ng\u1ed9t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00e1c th\u1eed nghi\u1ec7m va \u0111\u1eadp nh\u01b0 th\u1eed nghi\u1ec7m Charpy V-Not.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Property<\/th><th>\u00dd ngh\u0129a<\/th><\/tr><\/thead><tbody><tr><td>S\u1ee9c m\u1ea1nh t\u00e1c \u0111\u1ed9ng<\/td><td>N\u0103ng l\u01b0\u1ee3ng h\u1ea5p th\u1ee5 tr\u01b0\u1edbc khi g\u00e3y<\/td><\/tr><tr><td>h\u00e0nh vi d\u1ebbo<\/td><td>Bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi h\u01b0 h\u1ecfng<\/td><\/tr><tr><td>H\u00e0nh vi gi\u00f2n<\/td><td>G\u00e3y x\u01b0\u01a1ng \u0111\u1ed9t ng\u1ed9t v\u1edbi \u00edt bi\u1ebfn d\u1ea1ng<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n ti\u1ebfp<\/td><td>\u0110i\u1ec3m t\u1ea1i \u0111\u00f3 v\u1eadt li\u1ec7u chuy\u1ec3n t\u1eeb d\u1ebbo sang gi\u00f2n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 \u0111\u1ed9 b\u1ec1n t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u1eabn c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng n\u1ebfu \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp c\u1ee7a n\u00f3 kh\u00f4ng \u0111\u1ee7 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1eadt li\u1ec7u ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh<\/h3>\n\n\n\n<p>Khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m, k\u1ebft c\u1ea5u th\u00e9p v\u00e0 h\u1ee3p kim c\u00f3 th\u1ec3 m\u1ea5t \u0111\u1ed9 d\u1ebbo v\u00e0 tr\u1edf n\u00ean gi\u00f2n h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng nguy c\u01a1 g\u00e3y x\u01b0\u01a1ng \u0111\u1ed9t ng\u1ed9t d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng ho\u1eb7c rung \u0111\u1ed9ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Condition<\/th><th>R\u1ee7i ro th\u1ef1c t\u1ebf<\/th><\/tr><\/thead><tbody><tr><td>M\u00f4i tr\u01b0\u1eddng d\u01b0\u1edbi 0<\/td><td>Gi\u1ea3m \u0111\u1ed9 d\u1ebbo<\/td><\/tr><tr><td>D\u1ecbch v\u1ee5 \u0111\u00f4ng l\u1ea1nh<\/td><td>Nguy c\u01a1 gi\u00f2n cao<\/td><\/tr><tr><td>V\u00f9ng l\u1ea1nh ngo\u00e0i kh\u01a1i<\/td><td>\u0102n m\u00f2n k\u1ebft h\u1ee3p v\u00e0 \u1ee9ng su\u1ea5t t\u00e1c \u0111\u1ed9ng<\/td><\/tr><tr><td>\u0110i xe \u0111\u1ea1p nhi\u1ec7t<\/td><td>Bi\u1ebfn \u0111\u1ed5i \u1ee9ng su\u1ea5t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i<\/td><\/tr><tr><td>Rung gi\u00f3<\/td><td>M\u1ec7t m\u1ecfi + t\u01b0\u01a1ng t\u00e1c nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y ch\u1ecdn trong nhi\u1ec1u ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt d\u00e0nh cho \u1ed1c v\u00edt l\u00e0m l\u1ea1nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m tra<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra c\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c<\/h3>\n\n\n\n<p>Y\u00eau c\u1ea7u v\u1ec1 t\u00e1c \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n. C\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o ph\u1ed5 bi\u1ebfn bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ASTM v\u00e0 ISO.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i ti\u00eau chu\u1ea9n<\/th><th>\u1ee8ng d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td>ASTM E23<\/td><td>Th\u1eed nghi\u1ec7m t\u00e1c \u0111\u1ed9ng Charpy<\/td><\/tr><tr><td>ISO 148-1<\/td><td>Th\u1eed nghi\u1ec7m va \u0111\u1eadp v\u1eadt li\u1ec7u kim lo\u1ea1i<\/td><\/tr><tr><td>ASTM A320<\/td><td>V\u1eadt li\u1ec7u b\u1eaft v\u00edt nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><\/tr><tr><td>Th\u00f4ng s\u1ed1 d\u1ef1 \u00e1n<\/td><td>H\u1ec7 th\u1ed1ng ngo\u00e0i kh\u01a1i, LNG v\u00e0 v\u00f9ng l\u1ea1nh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh mua s\u1eafm, vi\u1ec7c y\u00eau c\u1ea7u \u201cbu l\u00f4ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p\u201d l\u00e0 ch\u01b0a \u0111\u1ee7. Nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m, y\u00eau c\u1ea7u n\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u v\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u1ed1c v\u00edt nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i th\u00e9p \u0111\u1ec1u ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n<p>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a hi\u1ec7u su\u1ea5t c\u01b0\u1eddng \u0111\u1ed9 va \u0111\u1eadp. C\u00e1c lo\u1ea1i th\u00e9p carbon, th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nhau ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i v\u1eadt li\u1ec7u<\/th><th>H\u00e0nh vi \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/th><\/tr><\/thead><tbody><tr><td>Th\u00e9p cacbon ti\u00eau chu\u1ea9n<\/td><td>Nguy c\u01a1 g\u00e3y x\u01b0\u01a1ng gi\u00f2n<\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim (x\u1eed l\u00fd nhi\u1ec7t)<\/td><td>Ki\u1ec3m so\u00e1t \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n<\/td><\/tr><tr><td>C\u00e1c lo\u1ea1i h\u1ee3p kim nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><td>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ed1ng va \u0111\u1eadp<\/td><\/tr><tr><td>Th\u00e9p kh\u00f4ng g\u1ec9 Austenit<\/td><td>\u0110\u1ed9 d\u1ebbo dai t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><\/tr><tr><td>Th\u00e9p kh\u00f4ng g\u1ec9 Ferit\/martensitic<\/td><td>Y\u00eau c\u1ea7u \u0111\u00e1nh gi\u00e1 c\u1ea9n th\u1eadn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, ng\u01b0\u1eddi mua c\u0169ng c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/carbon-steel\/\">\u1ed1c v\u00edt th\u00e9p carbon<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/stainless-steel\/\">\u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn trong ng\u00e0nh<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee9c m\u1ea1nh kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 d\u1ebbo dai<\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t khi mua s\u1eafm l\u00e0 cho r\u1eb1ng \u1ed1c v\u00edt c\u00f3 \u0111\u1ed9 b\u1ec1n cao t\u1ef1 \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. \u0110i\u1ec1u n\u00e0y kh\u00f4ng \u0111\u00fang.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Misunderstanding<\/th><th>Th\u1ef1c t\u1ebf<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 b\u1ec1n cao = an to\u00e0n khi tr\u1eddi l\u1ea1nh<\/td><td>S\u1ee9c m\u1ea1nh kh\u00f4ng \u0111\u1ea3m b\u1ea3o s\u1ef1 d\u1ebbo dai<\/td><\/tr><tr><td>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 \u0111\u1ee7<\/td><td>Ki\u1ec3m tra t\u00e1c \u0111\u1ed9ng c\u0169ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/td><\/tr><tr><td>\u00c1p d\u1ee5ng d\u1eef li\u1ec7u nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/td><td>Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u00e0m thay \u0111\u1ed5i t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u<\/td><\/tr><tr><td>L\u1edbp ph\u1ee7 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai<\/td><td>L\u1edbp ph\u1ee7 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 gi\u00f2n c\u1ee7a l\u00f5i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>N\u1ebfu kh\u00f4ng x\u00e1c minh \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp th\u00edch h\u1ee3p, chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua c\u00e1c b\u00e0i ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o nh\u01b0ng \u0111\u1ed9t nhi\u00ean kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u01a1i s\u1ee9c m\u1ea1nh t\u00e1c \u0111\u1ed9ng quan tr\u1ecdng nh\u1ea5t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00f4i tr\u01b0\u1eddng r\u1ee7i ro cao y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd<\/h3>\n\n\n\n<p>Y\u00eau c\u1ea7u v\u1ec1 t\u00e1c \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u00e0 quan tr\u1ecdng nh\u1ea5t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t v\u00e0 nh\u1ea1y c\u1ea3m v\u1ec1 an to\u00e0n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Khu v\u1ef1c \u1ee9ng d\u1ee5ng<\/th><th>M\u1ee9c \u0111\u1ed9 y\u00eau c\u1ea7u<\/th><\/tr><\/thead><tbody><tr><td>nh\u00e0 m\u00e1y LNG<\/td><td>R\u1ea5t cao<\/td><\/tr><tr><td>C\u00f4ng tr\u00ecnh ngo\u00e0i kh\u01a1i<\/td><td>Cao<\/td><\/tr><tr><td>Tua bin gi\u00f3 \u1edf v\u00f9ng l\u1ea1nh<\/td><td>Cao<\/td><\/tr><tr><td>Thi\u1ebft b\u1ecb \u0111\u00f4ng l\u1ea1nh<\/td><td>R\u1ea5t cao<\/td><\/tr><tr><td>x\u00e2y d\u1ef1ng B\u1eafc C\u1ef1c<\/td><td>Cao<\/td><\/tr><tr><td>M\u00e1y m\u00f3c t\u1ed5ng h\u1ee3p<\/td><td>Moderate<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng n\u00e0y, hi\u1ec7n t\u01b0\u1ee3ng g\u00e3y gi\u00f2n th\u01b0\u1eddng nguy hi\u1ec3m h\u01a1n hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng d\u1ea7n d\u1ea7n v\u00ec n\u00f3 x\u1ea3y ra m\u00e0 kh\u00f4ng b\u00e1o tr\u01b0\u1edbc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vai tr\u00f2 c\u1ee7a x\u1eed l\u00fd v\u00e0 x\u1eed l\u00fd nhi\u1ec7t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea5u tr\u00fac vi m\u00f4 x\u00e1c \u0111\u1ecbnh h\u00e0nh vi t\u00e1c \u0111\u1ed9ng<\/h3>\n\n\n\n<p>X\u1eed l\u00fd nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ki\u1ec3m so\u00e1t hi\u1ec7u su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. Qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i v\u00e0 \u1ee7 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng h\u1ee3p l\u00fd gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Y\u1ebfu t\u1ed1 quy tr\u00ecnh<\/th><th>Hi\u1ec7u \u1ee9ng<\/th><\/tr><\/thead><tbody><tr><td>L\u00e0m ngu\u1ed9i kh\u00f4ng \u0111\u00fang c\u00e1ch<\/td><td>T\u0103ng \u0111\u1ed9 gi\u00f2n<\/td><\/tr><tr><td>\u1ee6 k\u00e9m<\/td><td>Gi\u1ea3m \u0111\u1ed9 d\u1ebbo dai<\/td><\/tr><tr><td>Decarburization<\/td><td>\u0110i\u1ec3m y\u1ebfu b\u1ec1 m\u1eb7t<\/td><\/tr><tr><td>Ki\u1ec3m so\u00e1t c\u1ea5u tr\u00fac h\u1ea1t<\/td><td>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp<\/td><\/tr><tr><td>S\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n h\u00e0ng lo\u1ea1t<\/td><td>Nguy c\u01a1 th\u1ea5t b\u1ea1i kh\u00f3 l\u01b0\u1eddng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c truy xu\u1ea5t ngu\u1ed3n g\u1ed1c theo l\u00f4 v\u00e0 ki\u1ec3m so\u00e1t s\u1ed1 nhi\u1ec7t l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c \u1ed1c v\u00edt nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c c\u00e2n nh\u1eafc v\u1ec1 l\u1edbp ph\u1ee7 v\u00e0 b\u1ec1 m\u1eb7t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3o v\u1ec7 kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ecfa hi\u1ec7p \u0111\u1ed9 d\u1ebbo dai<\/h3>\n\n\n\n<p>C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee7 nh\u01b0 m\u1ea1 k\u1ebdm, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng ho\u1eb7c l\u1edbp ph\u1ee7 v\u1ea3y k\u1ebdm th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh ph\u1ee7 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i l\u1edbp ph\u1ee7<\/th><th>Consideration<\/th><\/tr><\/thead><tbody><tr><td>M\u1ea1 k\u1ebdm<\/td><td>Nguy c\u01a1 gi\u00f2n hydro n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><\/tr><tr><td>M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td><td>\u0110\u1ed9 d\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00f9 h\u1ee3p<\/td><\/tr><tr><td>v\u1ea3y k\u1ebdm<\/td><td>Ki\u1ec3m so\u00e1t \u0103n m\u00f2n t\u1ed1t h\u01a1n v\u1edbi nguy c\u01a1 gi\u00f2n th\u1ea5p h\u01a1n<\/td><\/tr><tr><td>PTFE l\u1edbp ph\u1ee7<\/td><td>Ph\u1ea3i \u0111\u00e1nh gi\u00e1 ma s\u00e1t v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u1ee9ng d\u1ee5ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng li\u00ean quan \u0111\u1ebfn l\u1edbp ph\u1ee7, h\u00e3y xem XZ Fastener <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/fastener-coating\/teflon-coating\/\">PTFE l\u1edbp ph\u1ee7<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra d\u00e0nh cho ng\u01b0\u1eddi mua<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n<p>M\u1ed9t RFQ ho\u00e0n ch\u1ec9nh cho \u1ed1c v\u00edt nhi\u1ec7t \u0111\u1ed9 th\u1ea5p n\u00ean bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t, ti\u00eau chu\u1ea9n, k\u00edch th\u01b0\u1edbc v\u00e0 c\u1ea5p \u0111\u1ed9.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u ph\u1ea1m vi d\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed t\u00e1c \u0111\u1ed9ng (ASTM E23 ho\u1eb7c ISO 148-1).<\/li>\n\n\n\n<li>Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 v\u00e0 y\u00eau c\u1ea7u n\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u.<\/li>\n\n\n\n<li>\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u v\u00e0 y\u00eau c\u1ea7u x\u1eed l\u00fd nhi\u1ec7t.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u00f2n c\u1ee7a l\u1edbp ph\u1ee7 v\u00e0 hydro.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ee9ng ch\u1ec9 (MTC, EN 10204 3.1, v.v.).<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 ki\u1ec3m tra h\u00e0ng lo\u1ea1t.<\/li>\n\n\n\n<li>M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n t\u1ea3i.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 chi ti\u1ebft si\u1ebft ch\u1eb7t nhi\u1ec7t \u0111\u1ed9 th\u1ea5p ho\u1eb7c d\u1ef1a tr\u00ean d\u1ef1 \u00e1n, h\u00e3y g\u1eedi b\u1ea3n v\u1ebd v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt qua <a href=\"https:\/\/xzfastener.com\/vi\/home\/contact-us\/\">XZ Fastener Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khuy\u1ebfn ngh\u1ecb cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p kh\u00f4ng ph\u1ea3i l\u00e0 y\u00eau c\u1ea7u th\u1ee9 y\u1ebfu. \u0110\u00e2y l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng v\u1ec1 m\u1eb7t an to\u00e0n nh\u1eb1m x\u00e1c \u0111\u1ecbnh xem chi ti\u1ebft si\u1ebft ch\u1eb7t ho\u1ea1t \u0111\u1ed9ng \u1edf d\u1ea1ng d\u1ebbo hay gi\u00f2n khi ch\u1ecbu t\u1ea3i \u0111\u1ed9t ng\u1ed9t trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh.<\/p>\n\n\n\n<p>L\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p \u0111\u00f2i h\u1ecfi nhi\u1ec1u h\u01a1n c\u1ea5p \u0111\u1ed9 s\u1ee9c m\u1ea1nh. N\u00f3 y\u00eau c\u1ea7u l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u00f3 ki\u1ec3m so\u00e1t, x\u1eed l\u00fd nhi\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh, ki\u1ec3m tra t\u00e1c \u0111\u1ed9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh v\u00e0 t\u00e0i li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t.<\/p>\n\n\n\n<p>Khi c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd ch\u00ednh x\u00e1c, \u1ed1c v\u00edt c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p m\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 c\u1ed1 ngo\u00e0i \u00fd mu\u1ed1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Low-temperature impact strength is one of the most critical but often misunderstood requirements in fastener selection. In normal room conditions, a bolt may perform perfectly under tensile and shear load. However, when temperature drops, material behavior changes. Without proper impact strength control, fasteners can fail suddenly and without visible deformation. This is especially important in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[479],"tags":[489],"class_list":["post-7408","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-load-capacity-tensile-shear-strength"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7408","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=7408"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7408\/revisions"}],"predecessor-version":[{"id":7409,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7408\/revisions\/7409"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}