{"id":7477,"date":"2021-12-09T07:21:08","date_gmt":"2021-12-08T23:21:08","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7477"},"modified":"2026-06-24T07:22:52","modified_gmt":"2026-06-23T23:22:52","slug":"astm-a490-bolts-vs-astm-f3125-grade-a490-what-changed","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/astm-a490-bolts-vs-astm-f3125-grade-a490-what-changed\/","title":{"rendered":"ASTM A490 Bu l\u00f4ng so v\u1edbi ASTM F3125 L\u1edbp A490: \u0110i\u1ec1u g\u00ec \u0111\u00e3 thay \u0111\u1ed5i?"},"content":{"rendered":"<p>ASTM A490 bu l\u00f4ng v\u00e0 ASTM F3125 C\u1ea5p A490 th\u01b0\u1eddng t\u1ea1o ra s\u1ef1 nh\u1ea7m l\u1eabn trong c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn mua s\u1eafm v\u00e0 k\u1ef9 thu\u1eadt. Nhi\u1ec1u ng\u01b0\u1eddi mua cho r\u1eb1ng ch\u00fang l\u00e0 nh\u1eefng s\u1ea3n ph\u1ea9m kh\u00e1c nhau, nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf, s\u1ef1 thay \u0111\u1ed5i kh\u00f4ng n\u1eb1m \u1edf b\u1ea3n th\u00e2n ch\u1ed1t - m\u00e0 n\u1eb1m \u1edf khu\u00f4n kh\u1ed5 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh n\u00f3.<\/p>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf c\u00f4ng nghi\u1ec7p, qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch quy \u0111\u1ecbnh, ch\u1ee9ng nh\u1eadn v\u00e0 cung c\u1ea5p bu l\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong k\u1ebft c\u1ea5u th\u00e9p v\u00e0 h\u1ec7 th\u1ed1ng bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 k\u1ebft c\u1ea5u v\u00e0 \u0111\u1ed9 b\u1ec1n 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-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. ASTM A490 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ed9t ti\u00eau chu\u1ea9n bu l\u00f4ng k\u1ebft c\u1ea5u k\u1ebf th\u1eeba<\/h3>\n\n\n\n<p>ASTM A490 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ban \u0111\u1ea7u l\u00e0 bu l\u00f4ng k\u1ebft c\u1ea5u th\u00e9p h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao, t\u00f4i v\u00e0 t\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c k\u1ebft n\u1ed1i th\u00e9p v\u1edbi th\u00e9p.<\/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 A490 (Original)<\/th><\/tr><\/thead><tbody><tr><td>\u1ee8ng d\u1ee5ng<\/td><td>K\u1ebft n\u1ed1i th\u00e9p k\u1ebft c\u1ea5u<\/td><\/tr><tr><td>M\u1ee9c \u0111\u1ed9 s\u1ee9c m\u1ea1nh<\/td><td>\u0110\u1ed9 b\u1ec1n k\u00e9o r\u1ea5t cao<\/td><\/tr><tr><td>Lo\u1ea1i v\u1eadt li\u1ec7u<\/td><td>Th\u00e9p h\u1ee3p kim, x\u1eed l\u00fd nhi\u1ec7t<\/td><\/tr><tr><td>s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/td><td>C\u1ea7u, t\u00f2a nh\u00e0, k\u1ebft c\u1ea5u th\u00e9p n\u1eb7ng<\/td><\/tr><tr><td>Lo\u1ea1i bu l\u00f4ng<\/td><td>Bu l\u00f4ng k\u1ebft c\u1ea5u l\u1ee5c gi\u00e1c n\u1eb7ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>A490 bu l\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u1ed1i n\u1ed1i ch\u1ecbu l\u1ef1c quan tr\u1ecdng \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ch\u1ecbu c\u1eaft v\u00e0 t\u1ea3i tr\u01b0\u1edbc cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. ASTM F3125 L\u1edbp l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ed9t ti\u00eau chu\u1ea9n bu l\u00f4ng k\u1ebft c\u1ea5u th\u1ed1ng nh\u1ea5t<\/h3>\n\n\n\n<p>ASTM F3125 l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n h\u1ee3p nh\u1ea5t thay th\u1ebf nhi\u1ec1u th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt bu l\u00f4ng ri\u00eang l\u1ebb, bao g\u1ed3m ASTM A325 v\u00e0 ASTM A490. Trong h\u1ec7 th\u1ed1ng n\u00e0y, A490 hi\u1ec7n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cF3125 L\u1edbp A490.\u201d<\/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 F3125 C\u1ea5p A490<\/th><\/tr><\/thead><tbody><tr><td>Lo\u1ea1i ti\u00eau chu\u1ea9n<\/td><td>\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt bu l\u00f4ng k\u1ebft c\u1ea5u th\u1ed1ng nh\u1ea5t<\/td><\/tr><tr><td>Includes<\/td><td>Bu l\u00f4ng A325 v\u00e0 A490 tr\u01b0\u1edbc \u0111\u00e2y<\/td><\/tr><tr><td>M\u1ee5c \u0111\u00edch<\/td><td>\u0110\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c mua s\u1eafm v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/td><\/tr><tr><td>K\u00fd hi\u1ec7u bu l\u00f4ng<\/td><td>Ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean l\u1edbp<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng<\/td><td>K\u1ebft c\u1ea5u th\u00e9p x\u00e2y d\u1ef1ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>B\u1ea3n th\u00e2n c\u00e1c bu l\u00f4ng kh\u00f4ng thay \u0111\u1ed5i - h\u1ec7 th\u1ed1ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00e3 thay \u0111\u1ed5i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. T\u1ea1i sao s\u1ef1 thay \u0111\u1ed5i \u0111\u01b0\u1ee3c \u0111\u01b0a ra<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u01a1n gi\u1ea3n h\u00f3a v\u00e0 c\u0103n ch\u1ec9nh ti\u00eau chu\u1ea9n<\/h3>\n\n\n\n<p>Vi\u1ec7c chuy\u1ec3n t\u1eeb ASTM A490 sang ASTM F3125 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1eb1m th\u1ed1ng nh\u1ea5t c\u00e1c ti\u00eau chu\u1ea9n k\u1ebft c\u1ea5u bu l\u00f4ng theo m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt to\u00e0n di\u1ec7n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>L\u00fd do<\/th><th>l\u1ee3i \u00edch<\/th><\/tr><\/thead><tbody><tr><td>Th\u1ed1ng nh\u1ea5t c\u00e1c ti\u00eau chu\u1ea9n<\/td><td>Gi\u1ea3m s\u1ef1 nh\u1ea7m l\u1eabn trong mua s\u1eafm<\/td><\/tr><tr><td>Y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m th\u1ed1ng nh\u1ea5t<\/td><td>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t qu\u00e1n<\/td><\/tr><tr><td>T\u00e0i li\u1ec7u \u0111\u01a1n gi\u1ea3n h\u00f3a<\/td><td>Qu\u00e1 tr\u00ecnh ch\u1ee9ng nh\u1eadn d\u1ec5 d\u00e0ng h\u01a1n<\/td><\/tr><tr><td>Li\u00ean k\u1ebft to\u00e0n c\u1ea7u<\/td><td>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t h\u01a1n v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf<\/td><\/tr><tr><td>Gi\u1ea3m s\u1ef1 ch\u1ed3ng ch\u00e9o th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/td><td>\u0110\u1ecbnh ngh\u0129a k\u1ef9 thu\u1eadt r\u00f5 r\u00e0ng h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Thay \u0111\u1ed5i n\u00e0y c\u1ea3i thi\u1ec7n s\u1ef1 r\u00f5 r\u00e0ng trong b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt v\u00e0 t\u00e0i li\u1ec7u mua s\u1eafm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. C\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0o trong b\u1ea3n th\u00e2n Bolt kh\u00f4ng?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u00f4ng c\u00f3 thay \u0111\u1ed5i v\u1ec1 hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc<\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng \u0111i\u1ec3m quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi mua l\u00e0 c\u00e1c bu l\u00f4ng c\u1ea5p A490 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc gi\u1ed1ng nh\u01b0 c\u00e1c bu l\u00f4ng ASTM A490 nguy\u00ean b\u1ea3n. (ASTM F3125)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Property<\/th><th>A490 (Old)<\/th><th>F3125 C\u1ea5p A490<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>gi\u1ed1ng nhau<\/td><td>gi\u1ed1ng nhau<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t<\/td><td>gi\u1ed1ng nhau<\/td><td>gi\u1ed1ng nhau<\/td><\/tr><tr><td>X\u1eed l\u00fd nhi\u1ec7t<\/td><td>gi\u1ed1ng nhau<\/td><td>gi\u1ed1ng nhau<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng<\/td><td>K\u1ebft c\u1ea5u th\u00e9p<\/td><td>K\u1ebft c\u1ea5u th\u00e9p<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t duy nh\u1ea5t l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o ti\u00eau chu\u1ea9n, kh\u00f4ng ph\u1ea3i s\u1ea3n ph\u1ea9m v\u1eadt l\u00fd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn v\u1ec1 mua s\u1eafm<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 nh\u1ea7m l\u1eabn x\u1ea3y ra \u1edf c\u1ea5p \u0111\u1ed9 t\u00e0i li\u1ec7u<\/h3>\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>F3125 l\u00e0 m\u1ed9t lo\u1ea1i bu l\u00f4ng kh\u00e1c<\/td><td>\u0110\u00f3 l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n th\u1ed1ng nh\u1ea5t<\/td><\/tr><tr><td>A490 kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i v\u1ec1 m\u1eb7t v\u1eadt l\u00fd<\/td><td>Bu l\u00f4ng v\u1eabn \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t d\u01b0\u1edbi t\u00ean m\u1edbi<\/td><\/tr><tr><td>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc thay \u0111\u1ed5i<\/td><td>Kh\u00f4ng c\u00f3 thay \u0111\u1ed5i v\u1ec1 hi\u1ec7u su\u1ea5t<\/td><\/tr><tr><td>C\u1ea7n chuy\u1ec3n \u0111\u1ed5i nh\u00e0 cung c\u1ea5p<\/td><td>S\u1ea3n ph\u1ea9m t\u01b0\u01a1ng t\u1ef1 theo ti\u00eau chu\u1ea9n c\u1eadp nh\u1eadt<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ren \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u1ee5m k\u1ebft c\u1ea5u, ng\u01b0\u1eddi mua c\u0169ng c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener <a href=\"https:\/\/xzfastener.com\/vi\/products-tag\/threaded-rod\/\">thanh ren<\/a> th\u1ec3 lo\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Tr\u01b0\u1eddng h\u1ee3p A490 \/ F3125 C\u1ea5p A490 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng k\u1ebft c\u1ea5u ch\u1ecbu t\u1ea3i cao<\/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>T\u1ea1i sao s\u1eed d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td>C\u1ea7u th\u00e9p<\/td><td>\u0110\u1ed9 b\u1ec1n c\u1eaft v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o cao<\/td><\/tr><tr><td>T\u00f2a nh\u00e0 cao t\u1ea7ng<\/td><td>K\u1ebft n\u1ed1i khung k\u1ebft c\u1ea5u<\/td><\/tr><tr><td>K\u1ebft c\u1ea5u th\u00e9p c\u00f4ng nghi\u1ec7p<\/td><td>C\u00e1c kh\u1edbp ch\u1ecbu l\u1ef1c<\/td><\/tr><tr><td>Khung thi\u1ebft b\u1ecb n\u1eb7ng<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng rung v\u00e0 t\u1ea3i \u0111\u1ed9ng<\/td><\/tr><tr><td>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng<\/td><td>K\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 an to\u00e0n<\/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 k\u1ebft c\u1ea5u chung, 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> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. C\u00e2n nh\u1eafc v\u1ec1 c\u00e0i \u0111\u1eb7t v\u00e0 hi\u1ec7u su\u1ea5t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1eaft ch\u1eb7t \u0111\u00fang c\u00e1ch l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft<\/h3>\n\n\n\n<p>M\u1eb7c d\u00f9 ti\u00eau chu\u1ea9n \u0111\u00e3 thay \u0111\u1ed5i nh\u01b0ng y\u00eau c\u1ea7u c\u00e0i \u0111\u1eb7t v\u1eabn nghi\u00eam ng\u1eb7t v\u00e0 kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Y\u1ebfu t\u1ed1<\/th><th>Requirement<\/th><\/tr><\/thead><tbody><tr><td>Ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn<\/td><td>Ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ea3i tr\u01b0\u1edbc quy \u0111\u1ecbnh<\/td><\/tr><tr><td>T\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t<\/td><td>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn ma s\u00e1t v\u00e0 si\u1ebft ch\u1eb7t<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111ai \u1ed1c<\/td><td>ASTM A194 2H th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/td><\/tr><tr><td>L\u1ef1a ch\u1ecdn v\u00f2ng \u0111\u1ec7m<\/td><td>C\u1ea7n c\u00f3 v\u00f2ng \u0111\u1ec7m c\u1ee9ng<\/td><\/tr><tr><td>Lubrication<\/td><td>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u1ed1i quan h\u1ec7 m\u00f4-men xo\u1eafn-c\u0103ng th\u1eb3ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c ph\u1ee7 ho\u1eb7c b\u1ea3o v\u1ec7, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 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> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. A490 so v\u1edbi A325 Trong h\u1ec7 th\u1ed1ng F3125<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea3 hai \u0111\u1ec1u theo m\u1ed9t ti\u00eau chu\u1ea9n th\u1ed1ng nh\u1ea5t<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>L\u1edbp<\/th><th>C\u1ea5p \u0111\u1ed9 s\u1ee9c m\u1ea1nh<\/th><th>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead><tbody><tr><td>C\u1ea5p A325 (F3125)<\/td><td>Moderate-high<\/td><td>K\u1ebft n\u1ed1i c\u1ea5u tr\u00fac chung<\/td><\/tr><tr><td>C\u1ea5p A490 (F3125)<\/td><td>R\u1ea5t cao<\/td><td>C\u00e1c m\u1ed1i n\u1ed1i ch\u1ecbu t\u1ea3i cao quan tr\u1ecdng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u1ea3 hai v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, nh\u01b0ng A490 \u0111\u01b0\u1ee3c ch\u1ecdn khi c\u1ea7n t\u1ea3i tr\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng t\u1ea3i cao h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">9. RFQ Danh s\u00e1ch ki\u1ec3m tra d\u00e0nh cho ng\u01b0\u1eddi mua<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Tr\u00e1nh nh\u1ea7m l\u1eabn trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h3>\n\n\n\n<p>M\u1ed9t RFQ th\u00edch h\u1ee3p n\u00ean bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASTM F3125 Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea5p A490.<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng k\u00ednh bu l\u00f4ng, chi\u1ec1u d\u00e0i v\u00e0 chi ti\u1ebft ren.<\/li>\n\n\n\n<li>Lo\u1ea1i \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u.<\/li>\n\n\n\n<li>Th\u00f4ng s\u1ed1 \u0111ai \u1ed1c (th\u01b0\u1eddng l\u00e0 ASTM A194 2H).<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u00f2ng \u0111\u1ec7m (lo\u1ea1i c\u1ee9ng).<\/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>Y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn ho\u1eb7c \u0111\u1ed9 c\u0103ng l\u1eafp \u0111\u1eb7t.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u ki\u1ec3m tra v\u00e0 ch\u1ee9ng nh\u1eadn.<\/li>\n\n\n\n<li>B\u1ea3n v\u1ebd ho\u1eb7c t\u00e0i li\u1ec7u tham kh\u1ea3o \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ec3 cung c\u1ea5p chi ti\u1ebft si\u1ebft ch\u1eb7t k\u1ebft c\u1ea5u theo d\u1ef1 \u00e1n, h\u00e3y g\u1eedi y\u00eau c\u1ea7u 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>Bu l\u00f4ng v\u00e0 bu l\u00f4ng c\u1ea5p A490 kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng s\u1ea3n ph\u1ea9m kh\u00e1c nhau\u2014ch\u00fang l\u00e0 c\u00f9ng m\u1ed9t c\u1ea5u tr\u00fac bu\u1ed9c ch\u1eb7t theo c\u00e1c h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n kh\u00e1c nhau. S\u1ef1 thay \u0111\u1ed5i ph\u1ea3n \u00e1nh s\u1ef1 h\u1ee3p nh\u1ea5t ti\u00eau chu\u1ea9n ch\u1ee9 kh\u00f4ng ph\u1ea3i thi\u1ebft k\u1ebf l\u1ea1i c\u01a1 h\u1ecdc. (ASTM A490, ASTM F3125)<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua v\u00e0 k\u1ef9 s\u01b0, \u0111i\u1ec1u quan tr\u1ecdng kh\u00f4ng ph\u1ea3i l\u00e0 thay \u0111\u1ed5i nh\u00e3n m\u00e0 l\u00e0 \u0111\u1ea3m b\u1ea3o l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i, l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u1ebft c\u1ea5u. Khi c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, bu l\u00f4ng C\u1ea5p A490 ti\u1ebfp t\u1ee5c mang l\u1ea1i \u0111\u1ed9 tin c\u1eady hi\u1ec7u su\u1ea5t cao t\u01b0\u01a1ng t\u1ef1 trong c\u00e1c \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng th\u00e9p quan tr\u1ecdng.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM A490 bolts and ASTM F3125 Grade A490 often create confusion in procurement and engineering discussions. Many buyers assume they are different products, but in reality, the change is not in the bolt itself\u2014it is in the standard framework used to define it. In real industrial practice, this transition affects how bolts are specified, certified, [&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":[497],"class_list":["post-7477","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-standards-cross-reference"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7477","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=7477"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7477\/revisions"}],"predecessor-version":[{"id":7478,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7477\/revisions\/7478"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}