{"id":7118,"date":"2025-06-05T18:55:13","date_gmt":"2025-06-05T10:55:13","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7118"},"modified":"2026-06-23T18:56:18","modified_gmt":"2026-06-23T10:56:18","slug":"fastener-failure-in-low-temperature-applications-toughness-and-impact-risks","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/fastener-failure-in-low-temperature-applications-toughness-and-impact-risks\/","title":{"rendered":"L\u1ed7i chi ti\u1ebft si\u1ebft ch\u1eb7t trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p: R\u1ee7i ro v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00e1c \u0111\u1ed9ng"},"content":{"rendered":"<p>L\u1ed7i chi ti\u1ebft si\u1ebft ch\u1eb7t trong c\u00e1c \u1ee9ng d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p th\u01b0\u1eddng b\u1ecb hi\u1ec3u nh\u1ea7m. Nhi\u1ec1u ng\u01b0\u1eddi mua ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 b\u1ec1n ch\u1ea3y, l\u1edbp ph\u1ee7 v\u00e0 k\u00edch th\u01b0\u1edbc ren nh\u01b0ng b\u1ecf qua \u0111\u1ed9 b\u1ec1n. \u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, bu l\u00f4ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. \u1ede nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, c\u00f9ng m\u1ed9t chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 th\u1ec3 tr\u1edf n\u00ean k\u00e9m kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp, rung, t\u1eadp trung \u1ee9ng su\u1ea5t ho\u1eb7c t\u1ea3i \u0111\u1ed9t ng\u1ed9t.<\/p>\n\n\n\n<p>V\u1ea5n \u0111\u1ec1 n\u00e0y r\u1ea5t quan tr\u1ecdng trong x\u00e2y d\u1ef1ng v\u00f9ng l\u1ea1nh, thi\u1ebft b\u1ecb ngo\u00e0i kh\u01a1i, c\u01a1 s\u1edf LNG, h\u1ec7 th\u1ed1ng l\u1ea1nh, m\u00e1y m\u00f3c khai th\u00e1c m\u1ecf, k\u1ebft c\u1ea5u n\u0103ng l\u01b0\u1ee3ng gi\u00f3, thi\u1ebft b\u1ecb \u00e1p l\u1ef1c v\u00e0 c\u1ee5m th\u00e9p ngo\u00e0i tr\u1eddi. Trong c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, vi\u1ec7c l\u1ef1a ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t ph\u1ea3i xem x\u00e9t c\u1ea3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u00e1c \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua so s\u00e1nh c\u00e1c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 b\u1ec1n, XZ Fastener <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> c\u00e1c trang l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u h\u1eefu \u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao nhi\u1ec7t \u0111\u1ed9 th\u1ea5p thay \u0111\u1ed5i hi\u1ec7u su\u1ea5t c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ec9 s\u1ee9c m\u1ea1nh th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7<\/h3>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao nh\u01b0ng \u0111\u1ed9 b\u1ec1n k\u00e9m \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. \u0110\u1ed9 d\u1ebbo dai l\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi b\u1ecb g\u00e3y. Khi \u0111\u1ed9 b\u1ec1n kh\u00f4ng \u0111\u1ee7, chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng \u1edf d\u1ea1ng gi\u00f2n v\u00e0 \u00edt bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n<p>Lo\u1ea1i h\u01b0 h\u1ecfng n\u00e0y r\u1ea5t nguy hi\u1ec3m v\u00ec n\u00f3 c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed9t ng\u1ed9t. Ph\u00e1 ho\u1ea1i d\u1ebbo th\u01b0\u1eddng bi\u1ec3u hi\u1ec7n s\u1ef1 c\u0103ng, th\u1eaft c\u1ed5 ho\u1eb7c bi\u1ebfn d\u1ea1ng tr\u01b0\u1edbc khi g\u00e3y. V\u1ebft n\u1ee9t gi\u00f2n c\u00f3 th\u1ec3 tr\u00f4ng s\u1eafc n\u00e9t v\u00e0 s\u1ea1ch s\u1ebd, th\u01b0\u1eddng l\u00e0 sau khi va ch\u1ea1m, qu\u00e1 t\u1ea3i, rung ho\u1eb7c gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Property<\/th><th>N\u00f3 ch\u1ec9 ra \u0111i\u1ec1u g\u00ec<\/th><th>M\u1ed1i quan t\u00e2m v\u1ec1 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>\u1ee8ng su\u1ea5t k\u00e9o t\u1ed1i \u0111a tr\u01b0\u1edbc khi g\u00e3y<\/td><td>Kh\u00f4ng ch\u1ee9ng minh kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t<\/td><td>\u1ee8ng su\u1ea5t tr\u01b0\u1edbc bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n<\/td><td>H\u1eefu \u00edch nh\u01b0ng ch\u01b0a \u0111\u1ea7y \u0111\u1ee7<\/td><\/tr><tr><td>Hardness<\/td><td>X\u1eed l\u00fd nhi\u1ec7t v\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9<\/td><td>\u0110\u1ed9 c\u1ee9ng cao c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 d\u1ebbo dai<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp<\/td><td>Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9t ng\u1ed9t<\/td><td>Quan tr\u1ecdng \u0111\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 l\u1ea1nh<\/td><\/tr><tr><td>Ductility<\/td><td>Kh\u1ea3 n\u0103ng bi\u1ebfn d\u1ea1ng tr\u01b0\u1edbc khi g\u00e3y<\/td><td>C\u00f3 th\u1ec3 gi\u1ea3m \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, \u0111\u1ed9 b\u1ec1n c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t c\u00f9ng v\u1edbi c\u1ea5p \u0111\u1ed9 b\u1ec1n, h\u00f3a h\u1ecdc v\u1eadt li\u1ec7u, x\u1eed l\u00fd nhi\u1ec7t v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n d\u1ef1 \u00e1n hi\u1ec7n h\u00e0nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c ch\u1ebf \u0111\u1ed9 l\u1ed7i ph\u1ed5 bi\u1ebfn trong d\u1ecbch v\u1ee5 l\u1ea1nh<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">G\u00e3y x\u01b0\u01a1ng gi\u00f2n l\u00e0 m\u1ed1i quan t\u00e2m ch\u00ednh<\/h3>\n\n\n\n<p>L\u1ed7i chi ti\u1ebft si\u1ebft ch\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u00f3 th\u1ec3 x\u1ea3y ra th\u00f4ng qua m\u1ed9t s\u1ed1 c\u01a1 ch\u1ebf. Nghi\u00eam tr\u1ecdng nh\u1ea5t l\u00e0 g\u00e3y gi\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf c\u00e1c \u1ed1c v\u00edt b\u1eb1ng th\u00e9p cacbon ho\u1eb7c h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho d\u1ecbch v\u1ee5 ngu\u1ed9i.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ch\u1ebf \u0111\u1ed9 l\u1ed7i<\/th><th>Nguy\u00ean nh\u00e2n \u0111i\u1ec3n h\u00ecnh<\/th><th>T\u00ecnh tr\u1ea1ng r\u1ee7i ro<\/th><\/tr><\/thead><tbody><tr><td>g\u00e3y x\u01b0\u01a1ng gi\u00f2n<\/td><td>\u0110\u1ed9 d\u1ebbo dai th\u1ea5p \u1edf nhi\u1ec7t \u0111\u1ed9 d\u1ecbch v\u1ee5<\/td><td>T\u00e1c \u0111\u1ed9ng l\u1ea1nh, t\u1ea3i \u0111\u1ed9t ng\u1ed9t<\/td><\/tr><tr><td>N\u1ee9t m\u1ecfi<\/td><td>Chu k\u1ef3 c\u0103ng th\u1eb3ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i<\/td><td>Thi\u1ebft b\u1ecb rung, k\u1ebft c\u1ea5u gi\u00f3<\/td><\/tr><tr><td>T\u01b0\u1edbc ch\u1ec9<\/td><td>\u0102n kh\u1edbp k\u00e9m ho\u1eb7c \u0111ai \u1ed1c kh\u00f4ng kh\u1edbp<\/td><td>\u0110\u1ed9 d\u1ebbo th\u1ea5p ho\u1eb7c qu\u00e1 t\u1ea3i<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00f2n hydro<\/td><td>T\u01b0\u01a1ng t\u00e1c m\u1ea1 v\u00e0 th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao<\/td><td>\u1ed0c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao m\u1ea1 \u0111i\u1ec7n<\/td><\/tr><tr><td>V\u1ebft n\u1ee9t h\u1ed7 tr\u1ee3 \u0103n m\u00f2n<\/td><td>M\u00f4i tr\u01b0\u1eddng c\u1ed9ng v\u1edbi c\u0103ng th\u1eb3ng<\/td><td>D\u1ecbch v\u1ee5 h\u00e0ng h\u1ea3i, h\u00f3a ch\u1ea5t, ngo\u00e0i tr\u1eddi<\/td><\/tr><tr><td>Loosening<\/td><td>Chu k\u1ef3 nhi\u1ec7t v\u00e0 rung \u0111\u1ed9ng<\/td><td>Chu k\u1ef3 m\u1edf r\u1ed9ng v\u00e0 co l\u1ea1i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>M\u00f4i tr\u01b0\u1eddng l\u1ea1nh th\u01b0\u1eddng k\u1ebft h\u1ee3p nhi\u1ec1u r\u1ee7i ro. M\u1ed9t bu l\u00f4ng c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, \u0111\u1ed9 rung, \u0111\u1ed9 \u1ea9m, \u1ee9ng su\u1ea5t l\u1edbp ph\u1ee7 v\u00e0 s\u1ef1 thay \u0111\u1ed5i t\u1ea3i tr\u01b0\u1edbc c\u00f9ng m\u1ed9t l\u00fac.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho \u1ed1c v\u00edt nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">K\u1ebft h\u1ee3p v\u1eadt li\u1ec7u v\u1edbi nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng<\/h3>\n\n\n\n<p>Kh\u00f4ng ph\u1ea3i m\u1ecdi chi ti\u1ebft si\u1ebft ch\u1eb7t b\u1eb1ng th\u00e9p cacbon ho\u1eb7c th\u00e9p h\u1ee3p kim \u0111\u1ec1u ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng ngu\u1ed9i. M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u duy tr\u00ec \u0111\u1ed9 d\u1ebbo dai t\u1ed1t h\u01a1n nh\u1eefng v\u1eadt li\u1ec7u kh\u00e1c. Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, nh\u01b0ng n\u00f3 v\u1eabn ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u01a1 kh\u00ed v\u00e0 d\u1ef1 \u00e1n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>H\u01b0\u1edbng v\u1eadt ch\u1ea5t<\/th><th>Advantage<\/th><th>Limitation<\/th><\/tr><\/thead><tbody><tr><td>Th\u00e9p cacbon ti\u00eau chu\u1ea9n<\/td><td>Kinh t\u1ebf v\u00e0 c\u00f3 s\u1eb5n r\u1ed9ng r\u00e3i<\/td><td>C\u00f3 th\u1ec3 kh\u00f4ng cung c\u1ea5p \u0111\u1ed9 b\u1ec1n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u1ea7n thi\u1ebft<\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i cao<\/td><td>\u0110\u1ed9 d\u1ebbo dai v\u00e0 nguy c\u01a1 gi\u00f2n ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra<\/td><\/tr><tr><td>ASTM A320 c\u1ea5p nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><td>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng b\u1eaft v\u00edt \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><td>Ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>Th\u00e9p kh\u00f4ng g\u1ec9 304 \/ 316<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t v\u00e0 \u0111\u1ed9 d\u1ebbo \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p n\u00f3i chung thu\u1eadn l\u1ee3i<\/td><td>S\u1ee9c m\u1ea1nh kh\u00e1c v\u1edbi th\u00e9p h\u1ee3p kim<\/td><\/tr><tr><td>Th\u00e9p kh\u00f4ng g\u1ec9 k\u00e9p<\/td><td>\u0110\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao h\u01a1n<\/td><td>Y\u00eau c\u1ea7u xem x\u00e9t ti\u00eau chu\u1ea9n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ea9n th\u1eadn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 bi\u1ebft c\u00e1c t\u00f9y ch\u1ecdn v\u1eadt li\u1ec7u, h\u00e3y xem 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\">Ki\u1ec3m tra t\u00e1c \u0111\u1ed9ng v\u00e0 ti\u00eau chu\u1ea9n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra t\u00e1c \u0111\u1ed9ng Charpy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n c\u00f3 th\u1ec3 y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m t\u00e1c \u0111\u1ed9ng c\u1ee7a r\u00e3nh ch\u1eef V Charpy. Th\u1eed nghi\u1ec7m n\u00e0y \u0111o n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 b\u1edfi m\u1eabu trong qu\u00e1 tr\u00ecnh \u0111\u1ee9t g\u00e3y \u1edf nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh.<\/p>\n\n\n\n<p>Nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m y\u00eau c\u1ea7u v\u00e0 n\u0103ng l\u01b0\u1ee3ng h\u1ea5p th\u1ee5 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo ti\u00eau chu\u1ea9n d\u1ef1 \u00e1n, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u1eb7c m\u00e3 hi\u1ec7n h\u00e0nh. Ng\u01b0\u1eddi mua kh\u00f4ng n\u00ean cho r\u1eb1ng ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u th\u00f4ng th\u01b0\u1eddng ch\u1ee9ng minh hi\u1ec7u su\u1ea5t t\u00e1c \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p tr\u1eeb khi ch\u1ee9ng ch\u1ec9 \u0111\u00f3 bao g\u1ed3m r\u00f5 r\u00e0ng b\u00e0i ki\u1ec3m tra b\u1eaft bu\u1ed9c.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Requirement<\/th><th>Nh\u1eefng g\u00ec ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn<\/th><\/tr><\/thead><tbody><tr><td>Lo\u1ea1i th\u1eed nghi\u1ec7m<\/td><td>Th\u1eed nghi\u1ec7m va ch\u1ea1m Charpy V-Not ho\u1eb7c theo d\u1ef1 \u00e1n c\u1ee5 th\u1ec3<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m<\/td><td>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c th\u1ea5p y\u00eau c\u1ea7u th\u1ef1c t\u1ebf<\/td><\/tr><tr><td>Gi\u00e1 tr\u1ecb ch\u1ea5p nh\u1eadn<\/td><td>Y\u00eau c\u1ea7u n\u0103ng l\u01b0\u1ee3ng h\u1ea5p th\u1ee5 t\u1ed1i thi\u1ec3u<\/td><\/tr><tr><td>\u0110\u1ecbnh h\u01b0\u1edbng m\u1eabu<\/td><td>Theo y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u ho\u1eb7c th\u00f4ng s\u1ed1 d\u1ef1 \u00e1n<\/td><\/tr><tr><td>Ch\u1ee9ng ch\u1ec9<\/td><td>S\u1ed1 nhi\u1ec7t v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m<\/td><\/tr><tr><td>L\u00f4 chi ti\u1ebft si\u1ebft ch\u1eb7t<\/td><td>C\u00f9ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 l\u00f4 s\u1ea3n xu\u1ea5t n\u1ebfu \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n quan tr\u1ecdng, vi\u1ec7c th\u1eed nghi\u1ec7m t\u00e1c \u0111\u1ed9ng ph\u1ea3i \u0111\u01b0\u1ee3c n\u00eau trong \u0111\u01a1n \u0111\u1eb7t h\u00e0ng v\u00e0 \u0111\u01a1n \u0111\u1eb7t h\u00e0ng tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u s\u1ea3n xu\u1ea5t. (RFQ)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">R\u1ee7i ro v\u1ec1 l\u1edbp ph\u1ee7 v\u00e0 s\u1ef1 gi\u00f2n do hydro<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t c\u1ea9n th\u1eadn<\/h3>\n\n\n\n<p>C\u00e1c \u1ed1c v\u00edt \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p th\u01b0\u1eddng y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi, ngo\u00e0i kh\u01a1i ho\u1eb7c c\u00f4ng nghi\u1ec7p. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh ph\u1ee7 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 nguy c\u01a1 h\u01b0 h\u1ecfng.<\/p>\n\n\n\n<p>M\u1ea1 \u0111i\u1ec7n tr\u00ean c\u00e1c \u1ed1c v\u00edt c\u00f3 \u0111\u1ed9 b\u1ec1n cao c\u00f3 th\u1ec3 g\u00e2y ra nguy c\u01a1 gi\u00f2n do hydro n\u1ebfu vi\u1ec7c ki\u1ec3m so\u00e1t quy tr\u00ecnh kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd \u0111\u00fang c\u00e1ch. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng, t\u1ea5m k\u1ebdm, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, m\u1ea1 c\u01a1 kh\u00ed, th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t, t\u00f9y thu\u1ed9c v\u00e0o ti\u00eau chu\u1ea9n v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng. (PTFE)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u00f9y ch\u1ecdn k\u1ebft th\u00fac<\/th><th>C\u00e2n nh\u1eafc nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/th><\/tr><\/thead><tbody><tr><td>M\u1ea1 k\u1ebdm<\/td><td>Ki\u1ec3m tra c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u00f2n do hydro \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111\u1ed9 b\u1ec1n cao<\/td><\/tr><tr><td>M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td><td>Xem x\u00e9t \u0111\u1ed9 v\u1eeba v\u1eb7n c\u1ee7a ren, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a d\u1ef1 \u00e1n<\/td><\/tr><tr><td>L\u1edbp ph\u1ee7 v\u1ea3y k\u1ebdm<\/td><td>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u00f2n<\/td><\/tr><tr><td>PTFE l\u1edbp ph\u1ee7<\/td><td>Xem l\u1ea1i gi\u1edbi h\u1ea1n ma s\u00e1t, m\u00f4-men xo\u1eafn v\u00e0 nhi\u1ec7t \u0111\u1ed9<\/td><\/tr><tr><td>Th\u1ee5 \u0111\u1ed9ng th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>Th\u00edch h\u1ee3p cho nhi\u1ec1u c\u1ee5m th\u00e9p kh\u00f4ng g\u1ec9<\/td><\/tr><tr><td>Oxit \u0111en<\/td><td>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n h\u1ea1n ch\u1ebf; n\u00f3i chung l\u00e0 kh\u00f4ng d\u00e0nh cho vi\u1ec7c ti\u1ebfp x\u00fac ngo\u00e0i tr\u1eddi nghi\u00eam tr\u1ecdng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 l\u1ef1a ch\u1ecdn k\u1ebft th\u00fac, h\u00e3y xem l\u1ea1i XZ Fastener <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf v\u00e0 l\u1eafp \u0111\u1eb7t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Tr\u00e1nh t\u1eadp trung c\u0103ng th\u1eb3ng<\/h3>\n\n\n\n<p>L\u1ef1a ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t nhi\u1ec7t \u0111\u1ed9 th\u1ea5p kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1eadt ch\u1ea5t. Ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft k\u1ebf v\u00e0 l\u1eafp \u0111\u1eb7t chung c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn r\u1ee7i ro.<\/p>\n\n\n\n<p>C\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t quan tr\u1ecdng bao g\u1ed3m:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Tr\u00e1nh c\u00e1c chuy\u1ec3n ti\u1ebfp s\u1eafc n\u00e9t, ren b\u1ecb h\u1ecfng v\u00e0 phi l\u00ea k\u00e9m.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i \u0111ai \u1ed1c v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m.<\/li>\n\n\n\n<li>X\u00e1c nh\u1eadn \u0111\u1ed9 d\u00e0i t\u01b0\u01a1ng t\u00e1c c\u1ee7a ch\u1ee7 \u0111\u1ec1.<\/li>\n\n\n\n<li>Ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn si\u1ebft ch\u1eb7t v\u00e0 b\u00f4i tr\u01a1n.<\/li>\n\n\n\n<li>Tr\u00e1nh si\u1ebft qu\u00e1 ch\u1eb7t c\u00e1c \u1ed1c v\u00edt c\u00f3 \u0111\u1ed9 b\u1ec1n cao.<\/li>\n\n\n\n<li>B\u1ea3o v\u1ec7 c\u00e1c s\u1ee3i kh\u1ecfi h\u01b0 h\u1ecfng do va \u0111\u1eadp trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n.<\/li>\n\n\n\n<li>T\u00e1ch c\u00e1c l\u00f4 v\u00e0 duy tr\u00ec kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c s\u1ed1 nhi\u1ec7t.<\/li>\n\n\n\n<li>X\u00e1c nh\u1eadn \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 kh\u00f4ng t\u1ea1o ra v\u1ea5n \u0111\u1ec1 l\u1eafp ren.<\/li>\n<\/ol>\n\n\n\n<p>Trong d\u1ecbch v\u1ee5 ngu\u1ed9i, m\u1ed9t khi\u1ebfm khuy\u1ebft nh\u1ecf c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u g\u00e3y x\u01b0\u01a1ng. Do \u0111\u00f3, vi\u1ec7c ki\u1ec3m tra ph\u1ea3i bao g\u1ed3m ch\u1ea5t l\u01b0\u1ee3ng ren, h\u01b0 h\u1ecfng b\u1ec1 m\u1eb7t, \u0111\u1ed9 c\u1ee9ng, t\u00ecnh tr\u1ea1ng l\u1edbp ph\u1ee7 v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c t\u00e0i li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra cho c\u00e1c \u1ed1c v\u00edt nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00f4ng tin ng\u01b0\u1eddi mua n\u00ean cung c\u1ea5p<\/h3>\n\n\n\n<p>M\u1ed9t RFQ ho\u00e0n ch\u1ec9nh 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 b\u1ea3n v\u1ebd n\u1ebfu c\u00f3.<\/li>\n\n\n\n<li>C\u1ea5p v\u1eadt li\u1ec7u v\u00e0 ti\u00eau chu\u1ea9n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u00e1p d\u1ee5ng.<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 d\u1ecbch v\u1ee5 t\u1ed1i thi\u1ec3u.<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m va \u0111\u1eadp y\u00eau c\u1ea7u v\u00e0 gi\u00e1 tr\u1ecb ch\u1ea5p nh\u1eadn.<\/li>\n\n\n\n<li>C\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o, n\u0103ng su\u1ea5t, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m v\u00e0 l\u1eafp r\u00e1p.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u00f2n do hydro.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ee9ng ch\u1ec9, ch\u1eb3ng h\u1ea1n nh\u01b0 MTC ho\u1eb7c EN 10204 3.1.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 \u0111\u00e1nh d\u1ea5u h\u00e0ng lo\u1ea1t.<\/li>\n\n\n\n<li>Ghi ch\u00fa \u1ee9ng d\u1ee5ng, bao g\u1ed3m rung \u0111\u1ed9ng, va \u0111\u1eadp, \u0103n m\u00f2n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ed1c v\u00edt d\u1ecbch v\u1ee5 ngu\u1ed9i d\u00e0nh ri\u00eang cho d\u1ef1 \u00e1n, h\u00e3y g\u1eedi b\u1ea3n v\u1ebd, ti\u00eau chu\u1ea9n v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c th\u00f4ng 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>L\u1ed7i chi ti\u1ebft si\u1ebft ch\u1eb7t trong c\u00e1c \u1ee9ng d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p th\u01b0\u1eddng kh\u00f4ng ch\u1ec9 do l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc. R\u1ee7i ro ch\u00ednh \u0111\u1ebfn t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 \u0111\u1ee7 \u0111\u1ed9 b\u1ec1n nh\u01b0ng kh\u00f4ng \u0111\u1ee7 \u0111\u1ed9 b\u1ec1n \u0111\u1ed1i v\u1edbi nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp r\u00e1p trong nh\u00e0 th\u00f4ng th\u01b0\u1eddng, c\u00e1c \u1ed1c v\u00edt ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn. \u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh v\u00f9ng l\u1ea1nh, thi\u1ebft b\u1ecb LNG, d\u1ecbch v\u1ee5 ngo\u00e0i kh\u01a1i, h\u1ec7 th\u1ed1ng l\u1ea1nh, m\u00e1y m\u00f3c khai th\u00e1c m\u1ecf ho\u1eb7c thi\u1ebft b\u1ecb ch\u1ecbu t\u00e1c \u0111\u1ed9ng, ng\u01b0\u1eddi mua n\u00ean x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng.<\/p>\n\n\n\n<p>C\u00e1ch ti\u1ebfp c\u1eadn an to\u00e0n nh\u1ea5t l\u00e0 ch\u1ec9 \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng, lo\u1ea1i v\u1eadt li\u1ec7u, th\u1eed nghi\u1ec7m va \u0111\u1eadp, h\u1ec7 th\u1ed1ng l\u1edbp ph\u1ee7, ch\u1ee9ng ch\u1ec9 v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c \u1edf giai \u0111o\u1ea1n RFQ. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng g\u00e3y gi\u00f2n, l\u1ed7i l\u1eafp \u0111\u1eb7t v\u00e0 thay th\u1ebf hi\u1ec7n tr\u01b0\u1eddng t\u1ed1n k\u00e9m sau khi c\u00e1c ch\u1ed1t \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>Fastener failure in low-temperature applications is often misunderstood. Many buyers check tensile strength, yield strength, coating, and thread size, but overlook toughness. At room temperature, a bolt may perform normally. At low temperature, the same fastener may become less tolerant of impact, vibration, stress concentration, or sudden loading. This issue is critical in cold-region construction, [&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":[502],"class_list":["post-7118","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-failure-analysis"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7118","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=7118"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7118\/revisions"}],"predecessor-version":[{"id":7119,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7118\/revisions\/7119"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}