{"id":7467,"date":"2021-04-08T07:01:08","date_gmt":"2021-04-07T23:01:08","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7467"},"modified":"2026-06-24T07:02:57","modified_gmt":"2026-06-23T23:02:57","slug":"tensile-and-hardness-testing-in-fastener-manufacturing","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/tensile-and-hardness-testing-in-fastener-manufacturing\/","title":{"rendered":"Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng trong s\u1ea3n xu\u1ea5t chi ti\u1ebft si\u1ebft ch\u1eb7t"},"content":{"rendered":"<p>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng l\u00e0 hai trong s\u1ed1 c\u00e1c quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng quan tr\u1ecdng nh\u1ea5t trong s\u1ea3n xu\u1ea5t chi ti\u1ebft si\u1ebft ch\u1eb7t. Trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf, nh\u1eefng th\u1eed nghi\u1ec7m n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 quy tr\u00ecnh trong ph\u00f2ng th\u00ed nghi\u1ec7m\u2014ch\u00fang l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 x\u00e1c minh xem bu l\u00f4ng, \u0111ai \u1ed1c, \u1ed1c v\u00edt, \u0111inh t\u00e1n v\u00e0 \u1ed1c v\u00edt neo c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng an to\u00e0n tr\u00ean hi\u1ec7n tr\u01b0\u1eddng hay kh\u00f4ng.<\/p>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 th\u1ec3 tr\u00f4ng ho\u00e0n h\u1ea3o v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n, nh\u01b0ng n\u1ebfu kh\u00f4ng c\u00f3 th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc th\u00edch h\u1ee3p th\u00ec kh\u00f4ng c\u00f3 b\u1eb1ng ch\u1ee9ng \u0111\u00e1ng tin c\u1eady n\u00e0o cho th\u1ea5y n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng y\u00eau c\u1ea7u ho\u1eb7c duy tr\u00ec hi\u1ec7u su\u1ea5t theo th\u1eddi gian.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f4ng nghi\u1ec7p v\u00e0 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-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. T\u1ea1i sao ki\u1ec3m tra c\u01a1 h\u1ecdc l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ngo\u1ea1i h\u00ecnh kh\u00f4ng \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t<\/h3>\n\n\n\n<p>Ch\u1ed1t ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n c\u0103ng, c\u1eaft, rung v\u00e0 \u0111\u00f4i khi \u1edf \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t. Th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i b\u00e0i ki\u1ec3m tra<\/th><th>M\u1ee5c \u0111\u00edch<\/th><\/tr><\/thead><tbody><tr><td>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o<\/td><td>\u0110o t\u1ea3i t\u1ed1i \u0111a tr\u01b0\u1edbc khi th\u1ea5t b\u1ea1i<\/td><\/tr><tr><td>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng<\/td><td>\u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1eadt li\u1ec7u<\/td><\/tr><tr><td>Ki\u1ec3m tra t\u1ea3i b\u1eb1ng ch\u1ee9ng<\/td><td>X\u00e1c nh\u1eadn gi\u1edbi h\u1ea1n l\u00e0m vi\u1ec7c an to\u00e0n<\/td><\/tr><tr><td>X\u00e1c minh l\u1ee3i nhu\u1eadn<\/td><td>\u0110\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e0n h\u1ed3i d\u01b0\u1edbi t\u1ea3i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>N\u1ebfu kh\u00f4ng c\u00f3 nh\u1eefng th\u1eed nghi\u1ec7m n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ebd ch\u1ec9 d\u1ef1a v\u00e0o c\u00e1c gi\u1ea3 \u0111\u1ecbnh v\u1ec1 quy tr\u00ecnh thay v\u00ec d\u1eef li\u1ec7u hi\u1ec7u su\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o trong \u1ed1c v\u00edt<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110o kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i th\u1ef1c t\u1ebf<\/h3>\n\n\n\n<p>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u00e1nh gi\u00e1 l\u1ef1c d\u1ecdc tr\u1ee5c m\u00e0 chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c bao nhi\u00eau tr\u01b0\u1edbc khi n\u00f3 b\u1ecb g\u00e3y. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi bu l\u00f4ng, \u0111inh t\u00e1n v\u00e0 thanh ren \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng k\u1ebft c\u1ea5u v\u00e0 c\u01a1 kh\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c \u0111o<\/th><th>\u00dd ngh\u0129a<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o cu\u1ed1i c\u00f9ng<\/td><td>T\u1ea3i t\u1ed1i \u0111a tr\u01b0\u1edbc khi th\u1ea5t b\u1ea1i<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t<\/td><td>\u0110i\u1ec3m bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n<\/td><\/tr><tr><td>Elongation<\/td><td>\u0110\u1ed9 d\u1ebbo c\u1ee7a v\u1eadt li\u1ec7u<\/td><\/tr><tr><td>H\u00e0nh vi g\u00e3y x\u01b0\u01a1ng<\/td><td>Ph\u00e2n t\u00edch ch\u1ebf \u0111\u1ed9 l\u1ed7i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf, k\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o x\u00e1c nh\u1eadn li\u1ec7u vi\u1ec7c x\u1eed l\u00fd nhi\u1ec7t v\u00e0 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng trong \u1ed1c v\u00edt<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">X\u00e1c minh v\u1eadt li\u1ec7u b\u1ec1 m\u1eb7t v\u00e0 l\u00f5i<\/h3>\n\n\n\n<p>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00f5m ho\u1eb7c bi\u1ebfn d\u1ea1ng c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 x\u00e1c minh t\u00ednh nh\u1ea5t qu\u00e1n x\u1eed l\u00fd nhi\u1ec7t v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed9 c\u1ee9ng<\/th><th>\u1ee8ng d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td>Rockwell (HRC\/HRB)<\/td><td>Ph\u1ed5 bi\u1ebfn cho bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c<\/td><\/tr><tr><td>Brinell<\/td><td>C\u00e1c th\u00e0nh ph\u1ea7n ho\u1eb7c nguy\u00ean li\u1ec7u th\u00f4 l\u1edbn h\u01a1n<\/td><\/tr><tr><td>Vickers<\/td><td>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c ho\u1eb7c vi m\u00f4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>M\u1ee5c \u0111\u00edch ki\u1ec3m tra<\/th><th>Nh\u1eefng g\u00ec n\u00f3 ph\u00e1t hi\u1ec7n<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t<\/td><td>Ch\u1ea5t l\u01b0\u1ee3ng l\u1edbp ph\u1ee7 ho\u1eb7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng l\u00f5i<\/td><td>Hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd nhi\u1ec7t<\/td><\/tr><tr><td>T\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a l\u00f4<\/td><td>\u1ed4n \u0111\u1ecbnh s\u1ea3n xu\u1ea5t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng 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> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. M\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Hai b\u00e0i ki\u1ec3m tra, m\u1ed9t c\u00e2u chuy\u1ec7n quan tr\u1ecdng<\/h3>\n\n\n\n<p>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u1eb7t ch\u1ebd. \u0110\u1ed9 c\u1ee9ng th\u01b0\u1eddng cung c\u1ea5p \u01b0\u1edbc t\u00ednh nhanh v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o, trong khi th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o x\u00e1c nh\u1eadn hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf khi ch\u1ecbu t\u1ea3i.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kh\u00eda c\u1ea1nh<\/th><th>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o<\/th><th>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng<\/th><\/tr><\/thead><tbody><tr><td>lo\u1ea1i<\/td><td>Destructive<\/td><td>Kh\u00f4ng ph\u00e1 h\u1ee7y ho\u1eb7c b\u00e1n ph\u00e1 h\u1ee7y<\/td><\/tr><tr><td>M\u1ee5c \u0111\u00edch<\/td><td>X\u00e1c minh kh\u1ea3 n\u0103ng t\u1ea3i<\/td><td>Ki\u1ec3m tra t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a v\u1eadt li\u1ec7u<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9<\/td><td>Ch\u1eadm h\u01a1n<\/td><td>Nhanh h\u01a1n<\/td><\/tr><tr><td>Y\u00eau c\u1ea7u m\u1eabu<\/td><td>M\u1eabu th\u1eed \u0111\u1ea7y \u0111\u1ee7<\/td><td>M\u1eabu ho\u1eb7c di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t nh\u1ecf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u1ea3 hai th\u1eed nghi\u1ec7m c\u00f9ng nhau \u0111\u01b0a ra m\u1ed9t b\u1ee9c tranh ho\u00e0n ch\u1ec9nh v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Nh\u1eefng l\u1ed7i ki\u1ec3m tra th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ed7i th\u01b0\u1eddng \u0111\u1ebfn t\u1eeb nh\u1eefng l\u1ed7 h\u1ed5ng trong quy tr\u00ecnh<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>sai l\u1ea7m<\/th><th>t\u00e1c \u0111\u1ed9ng<\/th><\/tr><\/thead><tbody><tr><td>Ch\u1ec9 ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng<\/td><td>Thi\u1ebfu d\u1eef li\u1ec7u s\u1ee9c m\u1ea1nh th\u1ef1c s\u1ef1<\/td><\/tr><tr><td>B\u1ecf qua s\u1ef1 thay \u0111\u1ed5i h\u00e0ng lo\u1ea1t<\/td><td>Hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m kh\u00f4ng nh\u1ea5t qu\u00e1n<\/td><\/tr><tr><td>S\u1eed d\u1ee5ng sai c\u00e1ch chu\u1ea9n b\u1ecb m\u1eabu<\/td><td>K\u1ebft qu\u1ea3 kh\u00f4ng h\u1ee3p l\u1ec7<\/td><\/tr><tr><td>B\u1ecf qua x\u00e1c minh x\u1eed l\u00fd nhi\u1ec7t<\/td><td>Khi\u1ebfm khuy\u1ebft c\u1ea5u tr\u00fac \u1ea9n<\/td><\/tr><tr><td>Kh\u00f4ng t\u01b0\u01a1ng quan d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m v\u1edbi s\u1ea3n xu\u1ea5t<\/td><td>Kho\u1ea3ng tr\u1ed1ng ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf, th\u1ea5t b\u1ea1i t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng x\u1ea3y ra do qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9 kh\u00f4ng ph\u1ea3i do v\u1eadt li\u1ec7u v\u1ed1n \u0111\u00e3 b\u1ecb l\u1ed7i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Vai tr\u00f2 c\u1ee7a x\u1eed l\u00fd nhi\u1ec7t trong k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc ph\u1ee5 thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd<\/h3>\n\n\n\n<p>X\u1eed l\u00fd nhi\u1ec7t l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a \u1ed1c v\u00edt. L\u00e0m ngu\u1ed9i, \u1ee7 v\u00e0 l\u00e0m m\u00e1t c\u00f3 ki\u1ec3m so\u00e1t quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Giai \u0111o\u1ea1n x\u1eed l\u00fd<\/th><th>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn thu\u1ed9c t\u00ednh<\/th><\/tr><\/thead><tbody><tr><td>Quenching<\/td><td>T\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 s\u1ee9c m\u1ea1nh<\/td><\/tr><tr><td>Tempering<\/td><td>C\u00e2n b\u1eb1ng \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 d\u1ebbo<\/td><\/tr><tr><td>L\u00e0m m\u00e1t kh\u00f4ng \u0111\u00fang c\u00e1ch<\/td><td>G\u00e2y gi\u00f2n<\/td><\/tr><tr><td>Overheating<\/td><td>Gi\u1ea3m \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u01a1 h\u1ecdc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Th\u1eed nghi\u1ec7m \u0111\u1ea3m b\u1ea3o r\u1eb1ng x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac c\u01a1 h\u1ecdc nh\u01b0 mong mu\u1ed1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n<p>Trong s\u1ea3n xu\u1ea5t chi ti\u1ebft si\u1ebft ch\u1eb7t, vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00e1c giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>S\u00e2n kh\u1ea5u<\/th><th>\u0110i\u1ec3m ki\u1ec3m so\u00e1t<\/th><\/tr><\/thead><tbody><tr><td>Ki\u1ec3m tra nguy\u00ean li\u1ec7u<\/td><td>X\u00e1c minh th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/td><\/tr><tr><td>Gia c\u00f4ng d\u00e2y<\/td><td>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng ban \u0111\u1ea7u<\/td><\/tr><tr><td>X\u1eed l\u00fd nhi\u1ec7t<\/td><td>X\u00e1c th\u1ef1c thu\u1ed9c t\u00ednh c\u1ed1t l\u00f5i<\/td><\/tr><tr><td>Ki\u1ec3m tra l\u1ea7n cu\u1ed1i<\/td><td>X\u00e1c nh\u1eadn \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng<\/td><\/tr><tr><td>Ph\u00e1t h\u00e0nh h\u00e0ng lo\u1ea1t<\/td><td>Ph\u00ea duy\u1ec7t ch\u1ee9ng ch\u1ec9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi \u1ed1c v\u00edt c\u00f3 l\u1edbp ph\u1ee7, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's <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. Ti\u00eau chu\u1ea9n v\u00e0 tu\u00e2n th\u1ee7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra tu\u00e2n theo c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf<\/h3>\n\n\n\n<p>Vi\u1ec7c ki\u1ec3m tra chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ISO, ASTM, v\u00e0 DIN, t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng v\u00e0 y\u00eau c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng.<\/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>ISO ti\u00eau chu\u1ea9n<\/td><td>Th\u1eed nghi\u1ec7m chi ti\u1ebft si\u1ebft ch\u1eb7t to\u00e0n c\u1ea7u chung<\/td><\/tr><tr><td>ASTM ti\u00eau chu\u1ea9n<\/td><td>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 k\u1ebft c\u1ea5u<\/td><\/tr><tr><td>DIN ti\u00eau chu\u1ea9n<\/td><td>H\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed Ch\u00e2u \u00c2u<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y x\u00e1c \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m, ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn v\u00e0 h\u00ecnh th\u1ee9c b\u00e1o c\u00e1o.<\/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\">X\u00e1c \u0111\u1ecbnh r\u00f5 y\u00eau c\u1ea7u ki\u1ec3m tra tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t<\/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, k\u00edch th\u01b0\u1edbc v\u00e0 ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n<li>M\u1ee9c \u0111\u1ed9 b\u1ec1n k\u00e9o y\u00eau c\u1ea7u.<\/li>\n\n\n\n<li>Ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng ho\u1eb7c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u x\u1eed l\u00fd nhi\u1ec7t.<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n ki\u1ec3m tra (ISO, ASTM, DIN).<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u l\u1ea5y m\u1eabu h\u00e0ng lo\u1ea1t<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ee9ng ch\u1ec9 (MTC ho\u1eb7c b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m).<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<\/li>\n\n\n\n<li>L\u1edbp ph\u1ee7 ho\u1eb7c t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n<li>Ti\u00eau ch\u00ed ki\u1ec3m tra v\u00e0 ch\u1ea5p nh\u1eadn.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u t\u00f9y ch\u1ec9nh ho\u1eb7c chi ti\u1ebft si\u1ebft ch\u1eb7t c\u01b0\u1eddng \u0111\u1ed9 cao, h\u00e3y g\u1eedi 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>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng l\u00e0 tr\u1ee5 c\u1ed9t thi\u1ebft y\u1ebfu c\u1ee7a vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng chi ti\u1ebft si\u1ebft ch\u1eb7t. Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o x\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i th\u1ef1c t\u1ebf, trong khi ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng x\u00e1c minh t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng x\u1eed l\u00fd nhi\u1ec7t.<\/p>\n\n\n\n<p>Khi c\u1ea3 hai th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1ch v\u00e0 li\u00ean k\u1ebft v\u1edbi c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t, \u1ed1c v\u00edt s\u1ebd mang l\u1ea1i hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady, c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c trong \u0111i\u1ec1u ki\u1ec7n c\u00f4ng nghi\u1ec7p th\u1ef1c t\u1ebf. Kh\u00f4ng c\u00f3 ch\u00fang, ch\u1ea5t l\u01b0\u1ee3ng s\u1ebd tr\u1edf th\u00e0nh gi\u1ea3 \u0111\u1ecbnh h\u01a1n l\u00e0 x\u00e1c minh.<\/p>","protected":false},"excerpt":{"rendered":"<p>Tensile and hardness testing are two of the most important quality control processes in fastener manufacturing. In real production environments, these tests are not just laboratory procedures\u2014they are the foundation for verifying whether bolts, nuts, screws, studs, and anchor fasteners can safely perform in the field. A fastener may look perfect in size and finish, [&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":[499],"class_list":["post-7467","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-manufacturing-processes"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7467","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=7467"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7467\/revisions"}],"predecessor-version":[{"id":7468,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7467\/revisions\/7468"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}