{"id":7451,"date":"2024-06-06T06:30:35","date_gmt":"2024-06-05T22:30:35","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7451"},"modified":"2026-06-24T06:31:51","modified_gmt":"2026-06-23T22:31:51","slug":"astm-a193-b7-stud-bolts-strength-temperature-range-and-sourcing-guide","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/astm-a193-b7-stud-bolts-strength-temperature-range-and-sourcing-guide\/","title":{"rendered":"ASTM A193 B7 Bu l\u00f4ng nghi\u00ean c\u1ee9u: \u0110\u1ed9 b\u1ec1n, Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 v\u00e0 H\u01b0\u1edbng d\u1eabn t\u00ecm ngu\u1ed3n cung \u1ee9ng"},"content":{"rendered":"<p>ASTM A193 B7 bu l\u00f4ng \u0111inh t\u00e1n l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p si\u1ebft ch\u1eb7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong c\u00e1c h\u1ec7 th\u1ed1ng \u00e1p l\u1ef1c, k\u1ebft n\u1ed1i m\u1eb7t b\u00edch, nh\u00e0 m\u00e1y h\u00f3a d\u1ea7u v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p nhi\u1ec7t \u0111\u1ed9 cao. Trong c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf, ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u01a1n gi\u1ea3n v\u00ec ch\u00fang l\u00e0 \u201cbu l\u00f4ng ch\u1eafc ch\u1eafn\u201d, m\u00e0 v\u00ec ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<p>Hi\u1ec3u B7 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00f3m mua s\u1eafm, k\u1ef9 s\u01b0 v\u00e0 ng\u01b0\u1eddi l\u1eadp k\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec. Vi\u1ec7c gi\u1ea3i th\u00edch sai th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn vi\u1ec7c thay th\u1ebf kh\u00f4ng ch\u00ednh x\u00e1c, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 l\u1edbp ph\u1ee7 ho\u1eb7c l\u1ed7i d\u1ecbch v\u1ee5 trong c\u00e1c h\u1ec7 th\u1ed1ng quan tr\u1ecdng.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng bu l\u00f4ng v\u00e0 linh ki\u1ec7n ren c\u01b0\u1eddng \u0111\u1ed9 cao, 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-tag\/threaded-rod\/\">thanh ren<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM A193 B7 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Bu l\u00f4ng \u0111inh th\u00e9p h\u1ee3p kim cho d\u1ecbch v\u1ee5 \u00e1p su\u1ea5t cao<\/h3>\n\n\n\n<p>ASTM A193 B7 l\u00e0 lo\u1ea1i th\u00e9p h\u1ee3p kim crom-molypden \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi d\u1ea1ng bu l\u00f4ng \u0111inh t\u00e1n d\u00f9ng trong c\u1ee5m m\u1eb7t b\u00edch v\u1edbi c\u00e1c \u0111ai \u1ed1c c\u1ea5p 2H ph\u00f9 h\u1ee3p. (ASTM A194)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>t\u00ednh n\u0103ng<\/th><th>ASTM A193 B7<\/th><\/tr><\/thead><tbody><tr><td>V\u1eadt li\u1ec7u<\/td><td>Th\u00e9p h\u1ee3p kim Chrome-molypden<\/td><\/tr><tr><td>H\u00ecnh th\u1ee9c s\u1ea3n ph\u1ea9m<\/td><td>Bu l\u00f4ng \u0111inh, thanh ren, bu l\u00f4ng<\/td><\/tr><tr><td>C\u1eb7p \u0111\u00f4i \u0111i\u1ec3n h\u00ecnh<\/td><td>ASTM A194 L\u1edbp 2H h\u1ea1t<\/td><\/tr><tr><td>C\u00f4ng d\u1ee5ng ch\u00ednh<\/td><td>H\u1ec7 th\u1ed1ng \u00e1p l\u1ef1c v\u00e0 kh\u1edbp n\u1ed1i m\u1eb7t b\u00edch<\/td><\/tr><tr><td>M\u1ee9c \u0111\u1ed9 s\u1ee9c m\u1ea1nh<\/td><td>\u0110\u1ed9 b\u1ec1n k\u00e9o cao<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>B7 kh\u00f4ng ch\u1ec9 l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 k\u00edch th\u01b0\u1edbc\u2014n\u00f3 c\u00f2n l\u00e0 ti\u00eau chu\u1ea9n v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 x\u1eed l\u00fd nhi\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1eb7c t\u00ednh s\u1ee9c b\u1ec1n c\u1ee7a B7 Bu l\u00f4ng \u0111inh t\u00e1n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n cao ph\u1ee5 thu\u1ed9c v\u00e0o x\u1eed l\u00fd nhi\u1ec7t<\/h3>\n\n\n\n<p>B7 bu l\u00f4ng \u0111inh t\u00e1n \u0111\u01b0\u1ee3c t\u00f4i v\u00e0 t\u00f4i luy\u1ec7n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc \u1ed5n \u0111\u1ecbnh. \u0110\u1ed9 b\u1ec1n c\u1ee7a ch\u00fang khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ecbu t\u1ea3i cao v\u00e0 ch\u1ecbu \u00e1p su\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Property<\/th><th>H\u00e0nh vi \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>Cao v\u00e0 \u1ed5n \u0111\u1ecbnh sau khi x\u1eed l\u00fd nhi\u1ec7t<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t<\/td><td>Ki\u1ec3m so\u00e1t cho c\u00e1c \u1ee9ng d\u1ee5ng \u00e1p l\u1ef1c<\/td><\/tr><tr><td>Hardness<\/td><td>\u0110i\u1ec1u ch\u1ec9nh th\u00f4ng qua qu\u00e1 tr\u00ecnh \u1ee7<\/td><\/tr><tr><td>Hi\u1ec7u su\u1ea5t t\u1ea3i<\/td><td>Th\u00edch h\u1ee3p cho m\u1eb7t b\u00edch v\u00e0 kh\u1edbp ch\u1ecbu \u00e1p l\u1ef1c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf, B7 th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ecdn khi bu l\u00f4ng th\u00e9p cacbon ti\u00eau chu\u1ea9n kh\u00f4ng \u0111\u1ee7 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 v\u00e0 gi\u1edbi h\u1ea1n d\u1ecbch v\u1ee5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao<\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a ASTM A193 B7 l\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p nh\u01b0 nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u, nh\u00e0 m\u00e1y \u0111i\u1ec7n v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Condition<\/th><th>Xem x\u00e9t hi\u1ec7u su\u1ea5t<\/th><\/tr><\/thead><tbody><tr><td>D\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 cao<\/td><td>Th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i<\/td><td>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u1ed5n \u0111\u1ecbnh<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><td>Y\u00eau c\u1ea7u x\u00e1c minh t\u00e1c \u0111\u1ed9ng t\u00f9y thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng<\/td><\/tr><tr><td>Thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 theo chu k\u1ef3<\/td><td>Ph\u1ea3i xem x\u00e9t hi\u1ec7u \u1ee9ng gi\u00e3n n\u1edf nhi\u1ec7t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u bu l\u00f4ng m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf mi\u1ebfng \u0111\u1ec7m, lo\u1ea1i m\u1eb7t b\u00edch v\u00e0 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a B7 Bu l\u00f4ng \u0111inh t\u00e1n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng kh\u1edbp b\u1eaft v\u00edt quan tr\u1ecdng<\/h3>\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>Why B7 Is Used<\/th><\/tr><\/thead><tbody><tr><td>M\u1eb7t b\u00edch \u1ed1ng<\/td><td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ea3i tr\u01b0\u1edbc v\u00e0 \u0111\u1ed9 k\u00edn cao<\/td><\/tr><tr><td>B\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c<\/td><td>S\u1ee9c m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9<\/td><\/tr><tr><td>Van v\u00e0 m\u00e1y b\u01a1m<\/td><td>T\u00ednh to\u00e0n v\u1eb9n chung \u0111\u00e1ng tin c\u1eady<\/td><\/tr><tr><td>H\u1ec7 th\u1ed1ng h\u00f3a d\u1ea7u<\/td><td>M\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t cao<\/td><\/tr><tr><td>Nh\u00e0 m\u00e1y \u0111i\u1ec7n<\/td><td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 c\u01a1 h\u1ecdc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng chi ti\u1ebft si\u1ebft ch\u1eb7t chung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng t\u01b0\u01a1ng t\u1ef1, ng\u01b0\u1eddi mua c\u0169ng c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1edbp ph\u1ee7 v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00e9p h\u1ee3p kim v\u1eabn c\u1ea7n b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t<\/h3>\n\n\n\n<p>M\u1eb7c d\u00f9 B7 r\u1ea5t b\u1ec1n nh\u01b0ng b\u1ea3n th\u00e2n n\u00f3 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. X\u1eed l\u00fd b\u1ec1 m\u1eb7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u t\u00f9y thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng.<\/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>\u1ee8ng d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td>Oxit \u0111en<\/td><td>M\u00f4i tr\u01b0\u1eddng trong nh\u00e0 ho\u1eb7c \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><\/tr><tr><td>M\u1ea1 k\u1ebdm<\/td><td>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n c\u01a1 b\u1ea3n<\/td><\/tr><tr><td>M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td><td>Ti\u1ebfp x\u00fac v\u1edbi c\u1ea5u tr\u00fac ngo\u00e0i tr\u1eddi<\/td><\/tr><tr><td>PTFE l\u1edbp ph\u1ee7<\/td><td>Ma s\u00e1t th\u1ea5p v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t<\/td><\/tr><tr><td>L\u1edbp ph\u1ee7 v\u1ea3y k\u1ebdm<\/td><td>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n hi\u1ec7u su\u1ea5t cao<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng ph\u1ee7, 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\/hot-dip-galvanizing\/\">m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng l\u1ed7i t\u00ecm ngu\u1ed3n cung \u1ee9ng ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ed7i mua s\u1eafm th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb nh\u1eefng gi\u1ea3 \u0111\u1ecbnh<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>sai l\u1ea7m<\/th><th>R\u1ee7i ro<\/th><\/tr><\/thead><tbody><tr><td>X\u1eed l\u00fd B7 nh\u01b0 bu l\u00f4ng \u0111a n\u0103ng<\/td><td>L\u1ef1a ch\u1ecdn \u1ee9ng d\u1ee5ng kh\u00f4ng ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>B\u1ecf qua kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a \u0111ai \u1ed1c<\/td><td>H\u01b0 h\u1ecfng kh\u1edbp khi ch\u1ecbu t\u1ea3i<\/td><\/tr><tr><td>Thi\u1ebfu th\u00f4ng s\u1ed1 l\u1edbp ph\u1ee7<\/td><td>V\u1ea5n \u0111\u1ec1 \u0103n m\u00f2n trong d\u1ecbch v\u1ee5<\/td><\/tr><tr><td>Kh\u00f4ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c s\u1ed1 nhi\u1ec7t<\/td><td>V\u1ea5n \u0111\u1ec1 x\u00e1c minh ch\u1ea5t l\u01b0\u1ee3ng<\/td><\/tr><tr><td>Thay th\u1ebf sai b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>S\u1ee9c m\u1ea1nh kh\u00f4ng ph\u00f9 h\u1ee3p trong h\u1ec7 th\u1ed1ng \u00e1p l\u1ef1c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, l\u1ed7i t\u00ecm ngu\u1ed3n cung \u1ee9ng kh\u00f4ng ph\u1ea3i do ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m m\u00e0 do quy c\u00e1ch k\u1ef9 thu\u1eadt ch\u01b0a \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bu l\u00f4ng hai \u0111\u1ea7u vs Bolt ti\u00eau chu\u1ea9n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao bu l\u00f4ng \u0111inh t\u00e1n \u0111\u01b0\u1ee3c \u01b0a th\u00edch trong c\u00e1c h\u1ec7 th\u1ed1ng m\u1eb7t b\u00edch<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>t\u00ednh n\u0103ng<\/th><th>ch\u1ed1t \u0111inh<\/th><th>Bu l\u00f4ng ti\u00eau chu\u1ea9n<\/th><\/tr><\/thead><tbody><tr><td>Installation<\/td><td>\u0110ai \u1ed1c \u1edf c\u1ea3 hai \u0111\u1ea7u<\/td><td>\u0110\u1ea7u bu l\u00f4ng + \u0111ai \u1ed1c<\/td><\/tr><tr><td>Alignment<\/td><td>D\u1ec5 d\u00e0ng h\u01a1n trong l\u1eafp r\u00e1p m\u1eb7t b\u00edch<\/td><td>H\u1ea1n ch\u1ebf h\u01a1n<\/td><\/tr><tr><td>Maintenance<\/td><td>Th\u00e1o g\u1ee1 d\u1ec5 d\u00e0ng h\u01a1n<\/td><td>Ph\u1ee9c t\u1ea1p h\u01a1n<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng<\/td><td>H\u1ec7 th\u1ed1ng \u00e1p l\u1ef1c<\/td><td>\u0110\u1ea1i h\u1ed9i \u0111\u1ed3ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Bu l\u00f4ng \u0111inh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u1ed1i n\u1ed1i m\u1eb7t b\u00edch v\u00ec ch\u00fang gi\u00fap c\u0103n ch\u1ec9nh t\u1ed1t h\u01a1n v\u00e0 b\u1ea3o tr\u00ec d\u1ec5 d\u00e0ng h\u01a1n trong kh\u00f4ng gian h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra t\u00ecm ngu\u1ed3n cung \u1ee9ng cho ng\u01b0\u1eddi mua<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">X\u00e1c \u0111\u1ecbnh r\u00f5 y\u00eau c\u1ea7u tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng<\/h3>\n\n\n\n<p>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u00ecm ngu\u1ed3n cung \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 cho bu l\u00f4ng \u0111inh t\u00e1n ph\u1ea3i bao g\u1ed3m: (ASTM A193)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u00f4ng s\u1ed1 \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u d\u00e0i v\u00e0 ren.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u lu\u1ed3ng to\u00e0n b\u1ed9 ho\u1eb7c m\u1ed9t ph\u1ea7n.<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u (ASTM A193 B7).<\/li>\n\n\n\n<li>Th\u00f4ng s\u1ed1 \u0111ai \u1ed1c (ASTM A194 C\u1ea5p 2H).<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 l\u1edbp ph\u1ee7 ho\u1eb7c ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t.<\/li>\n\n\n\n<li>\u0110i\u1ec1u ki\u1ec7n d\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u t\u1ea3i ho\u1eb7c m\u00f4-men xo\u1eafn n\u1ebfu c\u00f3.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ee9ng ch\u1ec9 (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 ki\u1ec3m tra h\u00e0ng lo\u1ea1t.<\/li>\n\n\n\n<li>H\u01b0\u1edbng d\u1eabn \u0111\u00f3ng g\u00f3i v\u00e0 \u0111\u00e1nh d\u1ea5u.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 bu l\u00f4ng \u0111inh t\u00e1n t\u00f9y ch\u1ec9nh 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>ASTM A193 B7 bu l\u00f4ng \u0111inh t\u00e1n kh\u00f4ng ph\u1ea3i l\u00e0 \u1ed1c v\u00edt c\u00f3 m\u1ee5c \u0111\u00edch chung. Ch\u00fang l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p quan tr\u1ecdng, nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao.<\/p>\n\n\n\n<p>L\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u, x\u1eed l\u00fd nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng, l\u1edbp b\u1ea3o v\u1ec7 l\u1edbp ph\u1ee7 v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a h\u1ec7 th\u1ed1ng v\u1edbi c\u00e1c \u0111ai \u1ed1c v\u00e0 m\u1eb7t b\u00edch.<\/p>\n\n\n\n<p>Khi c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c trong c\u00e1c giai \u0111o\u1ea1n t\u00ecm ngu\u1ed3n cung \u1ee9ng v\u00e0 k\u1ef9 thu\u1eadt, bu l\u00f4ng \u0111inh t\u00e1n mang l\u1ea1i hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi kh\u1eaft khe nh\u01b0 h\u00f3a d\u1ea7u, s\u1ea3n xu\u1ea5t \u0111i\u1ec7n v\u00e0 h\u1ec7 th\u1ed1ng m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM A193 B7 stud bolts are one of the most widely used fastening solutions in pressure systems, flange connections, petrochemical plants, and high-temperature industrial applications. In real engineering projects, they are not selected simply because they are \u201cstrong bolts,\u201d but because they meet specific requirements for strength, temperature resistance, and long-term reliability under controlled conditions. [&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":[],"class_list":["post-7451","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7451","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=7451"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7451\/revisions"}],"predecessor-version":[{"id":7452,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7451\/revisions\/7452"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}