{"id":6908,"date":"2021-10-07T02:01:26","date_gmt":"2021-10-06T18:01:26","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6908"},"modified":"2026-06-23T02:03:18","modified_gmt":"2026-06-22T18:03:18","slug":"corrosion-and-mechanical-strength-how-environment-affects-fasteners","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/corrosion-and-mechanical-strength-how-environment-affects-fasteners\/","title":{"rendered":"\u0102n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc: M\u00f4i tr\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u1ed1c v\u00edt nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"<p>\u0110\u1ed9 b\u1ec1n c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn theo c\u1ea5p: 8.8, 10.9, 12.9, A2-70, A4-80, ASTM B7, v.v. \u0110i\u1ec1u \u0111\u00f3 l\u00e0 c\u1ea7n thi\u1ebft nh\u01b0ng ch\u01b0a \u0111\u1ee7.<\/p>\n\n\n\n<p>Trong s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t r\u1ea5t l\u00e2u tr\u01b0\u1edbc khi m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t r\u1ea5t l\u00e2u tr\u01b0\u1edbc khi \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n \u0111\u1ed9 b\u1ec1n l\u00fd thuy\u1ebft. \u0110\u1ed9 \u1ea9m, mu\u1ed1i, h\u00f3a ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 rung v\u00e0 h\u01b0 h\u1ecfng l\u1edbp ph\u1ee7 \u0111\u1ec1u c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a bu l\u00f4ng, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, \u1ed1c v\u00edt, \u0111inh t\u00e1n v\u00e0 neo theo th\u1eddi gian.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua v\u00e0 k\u1ef9 s\u01b0, c\u00e1ch ti\u1ebfp c\u1eadn an to\u00e0n nh\u1ea5t l\u00e0 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u00f9ng nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao m\u00f4i tr\u01b0\u1eddng l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee9c m\u1ea1nh tr\u00ean gi\u1ea5y kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 s\u1ee9c m\u1ea1nh trong d\u1ecbch v\u1ee5<\/h3>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i khi th\u1eed nghi\u1ec7m trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Sau khi l\u1eafp \u0111\u1eb7t, n\u00f3 c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n, h\u01b0 h\u1ecfng b\u1ec1 m\u1eb7t, t\u1ea3i tr\u1ecdng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i ho\u1eb7c b\u1ecb t\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc.<\/p>\n\n\n\n<p>Nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ee7 \u0111\u1ec1 g\u00e2y h\u01b0 h\u1ecfng<\/li>\n\n\n\n<li>T\u1ea1o s\u1ef1 \u0103n m\u00f2n r\u1ed7<\/li>\n\n\n\n<li>Gi\u1ea3m t\u1ea3i k\u1eb9p<\/li>\n\n\n\n<li>T\u0103ng ma s\u00e1t trong qu\u00e1 tr\u00ecnh si\u1ebft ch\u1eb7t<\/li>\n\n\n\n<li>B\u1ec1 m\u1eb7t \u1ed5 tr\u1ee5c b\u1ecb suy y\u1ebfu<\/li>\n\n\n\n<li>T\u1ea1o \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u1ebft n\u1ee9t m\u1ecfi<\/li>\n\n\n\n<li>G\u00e2y co gi\u1eadt ho\u1eb7c n\u00f4n m\u1eeda<\/li>\n\n\n\n<li>T\u0103ng t\u1ed1c \u0111\u1ed9 h\u01b0 h\u1ecfng \u1edf c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111\u1ed9 b\u1ec1n cao<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i, ng\u01b0\u1eddi mua n\u00ean xem x\u00e9t <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/high-strength-fasteners\/\">\u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a> v\u00e0 x\u00e1c nh\u1eadn m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc khi ch\u1ecdn l\u1edbp.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">R\u1ee7i ro m\u00f4i tr\u01b0\u1eddng chung<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u01a1 ch\u1ebf \u0103n m\u00f2n Ng\u01b0\u1eddi mua n\u00ean nh\u1eadn bi\u1ebft<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Environment<\/th><th>R\u1ee7i ro chi ti\u1ebft si\u1ebft ch\u1eb7t ph\u1ed5 bi\u1ebfn<\/th><th>M\u1ed1i quan t\u00e2m th\u1ef1c t\u1ebf<\/th><\/tr><\/thead><tbody><tr><td>Khu v\u1ef1c kh\u00f4 trong nh\u00e0<\/td><td>Nguy c\u01a1 \u0103n m\u00f2n th\u1ea5p<\/td><td>K\u1ebdm c\u01a1 b\u1ea3n ho\u1eb7c ho\u00e0n thi\u1ec7n tr\u01a1n c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7<\/td><\/tr><tr><td>Ti\u1ebfp x\u00fac v\u1edbi m\u01b0a ngo\u00e0i tr\u1eddi<\/td><td>M\u1ea5t r\u1ec9 s\u00e9t v\u00e0 l\u1edbp ph\u1ee7 n\u00f3i chung<\/td><td>\u0110\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 v\u00e0 ch\u1ea5t tho\u00e1t n\u01b0\u1edbc<\/td><\/tr><tr><td>Kh\u00f4ng kh\u00ed ven bi\u1ec3n ho\u1eb7c bi\u1ec3n<\/td><td>\u0102n m\u00f2n clorua v\u00e0 r\u1ed7<\/td><td>A4 \/ 316 c\u00f3 th\u1ec3 c\u1ea7n l\u1edbp ph\u1ee7 kh\u00f4ng g\u1ec9 ho\u1eb7c n\u1eb7ng<\/td><\/tr><tr><td>Ti\u1ebfp x\u00fac v\u1edbi mu\u1ed1i \u0111\u01b0\u1eddng<\/td><td>\u0102n m\u00f2n t\u0103ng t\u1ed1c<\/td><td>C\u1ea7n ph\u1ea3i \u0111\u00e1nh gi\u00e1 v\u1ea3y k\u1ebdm, HDG ho\u1eb7c kh\u00f4ng g\u1ec9<\/td><\/tr><tr><td>Nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t<\/td><td>T\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc v\u00e0 \u0103n m\u00f2n \u1ee9ng su\u1ea5t<\/td><td>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng<\/td><\/tr><tr><td>B\u1ea3o qu\u1ea3n \u0111\u1ed9 \u1ea9m cao<\/td><td>R\u1ec9 tr\u1eafng ho\u1eb7c \u0103n m\u00f2n b\u1ec1 m\u1eb7t s\u1edbm<\/td><td>Bao b\u00ec v\u00e0 ch\u1ea5t ch\u1ed1ng g\u1ec9<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 cao<\/td><td>M\u1ea5t s\u1ee9c m\u1ea1nh ho\u1eb7c h\u01b0 h\u1ecfng l\u1edbp ph\u1ee7<\/td><td>Gi\u1edbi h\u1ea1n v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra<\/td><\/tr><tr><td>Rung + \u0103n m\u00f2n<\/td><td>Nguy c\u01a1 m\u1ec7t m\u1ecfi t\u0103ng l\u00ean<\/td><td>Ch\u1ed1ng l\u1ecfng v\u00e0 ph\u1ee7 ph\u1ea3i ph\u1ed1i h\u1ee3p v\u1edbi nhau<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng t\u1eadp trung v\u00e0o \u0103n m\u00f2n, h\u00e3y xem l\u1ea1i <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn m\u1ea1 k\u1ebdm, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, v\u1ea3y k\u1ebdm, oxit \u0111en, PTFE, ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng ho\u00e0n thi\u1ec7n kh\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0102n m\u00f2n l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">R\u1ed7 v\u00e0 m\u1ea5t m\u1eb7t c\u1eaft<\/h3>\n\n\n\n<p>\u0102n m\u00f2n c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ti\u1ebft di\u1ec7n hi\u1ec7u qu\u1ea3 c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi ren, v\u00ec r\u1ec5 ren \u0111\u00e3 c\u00f3 s\u1eb5n s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t.<\/p>\n\n\n\n<p>\u0102n m\u00f2n r\u1ed7 nguy hi\u1ec3m h\u01a1n r\u1ec9 s\u00e9t b\u1ec1 m\u1eb7t \u0111\u1ed3ng \u0111\u1ec1u. M\u1ed9t h\u1ed1 nh\u1ecf c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho v\u1ebft n\u1ee9t m\u1ecfi d\u01b0\u1edbi t\u1ea3i tr\u1ecdng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u01b0 h\u1ecfng ren v\u00e0 m\u1ea5t k\u1eb9p<\/h3>\n\n\n\n<p>C\u00e1c s\u1ee3i b\u1ecb \u0103n m\u00f2n c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t \u0111\u00fang c\u00e1ch. \u0110ai \u1ed1c c\u00f3 th\u1ec3 b\u1ecb k\u1eb9t, d\u1eebng s\u1edbm ho\u1eb7c cho k\u1ebft qu\u1ea3 m\u00f4-men xo\u1eafn sai. Ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t c\u00f3 th\u1ec3 cho r\u1eb1ng m\u1ed1i n\u1ed1i \u0111\u00e3 ch\u1eb7t nh\u01b0ng t\u1ea3i k\u1eb9p th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n d\u1ef1 ki\u1ebfn.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra \u1edf c\u00e1c neo ngo\u00e0i tr\u1eddi, k\u1ebft c\u1ea5u th\u00e9p, thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i, m\u00e1y m\u00f3c khai th\u00e1c m\u1ecf v\u00e0 c\u00e1c t\u1ed5 h\u1ee3p b\u1ea3o tr\u00ec d\u00e0i h\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1edbp ph\u1ee7 b\u1ecb h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t<\/h3>\n\n\n\n<p>L\u1edbp ph\u1ee7 ch\u1ec9 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t khi n\u00f3 c\u00f2n nguy\u00ean v\u1eb9n. D\u1ea5u c\u1edd l\u00ea, m\u00e0i m\u00f2n ren, chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m v\u00e0 x\u1eed l\u00fd th\u00f4 c\u00f3 th\u1ec3 l\u00e0m l\u1ed9 th\u00e9p c\u01a1 b\u1ea3n.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1eb7t h\u00e0ng c\u00f4ng nghi\u1ec7p ti\u00eau chu\u1ea9n, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u t\u1eeb <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> v\u00e0 sau \u0111\u00f3 n\u00e2ng c\u1ea5p l\u1edbp ph\u1ee7 ho\u1eb7c v\u1eadt li\u1ec7u d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u theo m\u00f4i tr\u01b0\u1eddng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00e9p cacbon, th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9<\/h3>\n\n\n\n<p>\u1ed0c v\u00edt b\u1eb1ng th\u00e9p cacbon v\u00e0 th\u00e9p h\u1ee3p kim \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00ec ch\u00fang mang l\u1ea1i hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc m\u1ea1nh m\u1ebd v\u00e0 ki\u1ec3m so\u00e1t chi ph\u00ed. H\u1ecd th\u01b0\u1eddng c\u1ea7n l\u1edbp ph\u1ee7 \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n\n\n\n<p>Ch\u1ed1t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ed1ng \u0103n m\u00f2n th\u00f4ng qua ch\u00ednh v\u1eadt li\u1ec7u. A2\/304 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng chung. A4\/316 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng khi ti\u1ebfp x\u00fac v\u1edbi bi\u1ec3n, clorua, \u1ea9m \u01b0\u1edbt ho\u1eb7c h\u00f3a ch\u1ea5t.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, th\u00e9p kh\u00f4ng g\u1ec9 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng b\u1ec1n h\u01a1n th\u00e9p h\u1ee3p kim \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t. Ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn c\u1ea3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 lo\u1ea1i thu\u1ed9c t\u00ednh c\u01a1 h\u1ecdc.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn kh\u00f4ng g\u1ec9, h\u00e3y xem l\u1ea1i <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\">Ch\u1ed1t c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 gi\u00f2n hydro<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 c\u1ea7n \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c nhi\u1ec1u h\u01a1n<\/h3>\n\n\n\n<p>C\u00e1c \u1ed1c v\u00edt c\u00f3 \u0111\u1ed9 b\u1ec1n cao c\u00f3 th\u1ec3 nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng gi\u00f2n hydro, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi li\u00ean quan \u0111\u1ebfn m\u1ea1 \u0111i\u1ec7n ho\u1eb7c l\u00e0m s\u1ea1ch b\u1eb1ng axit. R\u1ee7i ro n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 vi\u1ec7c m\u1ea1 \u0111i\u1ec7n lu\u00f4n sai. N\u00f3 c\u00f3 ngh\u0129a l\u00e0 qu\u00e1 tr\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao, x\u00e1c nh\u1eadn:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L\u1edbp v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>L\u1edbp s\u1ee9c m\u1ea1nh<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u n\u01b0\u1edbng n\u1ebfu c\u00f3<\/li>\n\n\n\n<li>Ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u00f2n hydro<\/li>\n\n\n\n<li>B\u00e1o c\u00e1o th\u1eed nghi\u1ec7m c\u01a1 kh\u00ed<\/li>\n\n\n\n<li>Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c h\u00e0ng lo\u1ea1t<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng, l\u1edbp ph\u1ee7 ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn ch\u1ee9 kh\u00f4ng ch\u1ec9 b\u1eb1ng chi ph\u00ed mua h\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c th\u00e0nh ph\u1ea7n l\u1eafp r\u00e1p c\u0169ng c\u00f3 v\u1ea5n \u0111\u1ec1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i h\u1ea1t v\u00e0 v\u00f2ng \u0111\u1ec7m ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/h3>\n\n\n\n<p>Bu l\u00f4ng ch\u1ed1ng \u0103n m\u00f2n c\u00f3 \u0111ai \u1ed1c y\u1ebfu ho\u1eb7c kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1eabn c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng. V\u00f2ng \u0111\u1ec7m c\u00f3 v\u1eadt li\u1ec7u ho\u1eb7c l\u1edbp ph\u1ee7 kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 \u0103n m\u00f2n \u0111i\u1ec7n ho\u1eb7c l\u00e0m gi\u1ea3m \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a k\u1eb9p.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Component<\/th><th>Nh\u1eefng g\u00ec c\u1ea7n ki\u1ec3m tra<\/th><\/tr><\/thead><tbody><tr><td>Bu l\u00f4ng ho\u1eb7c v\u00edt<\/td><td>Ch\u1ea5t li\u1ec7u, l\u1edbp, l\u1edbp ph\u1ee7, s\u1ee3i<\/td><\/tr><tr><td>h\u1ea1t<\/td><td>Ph\u00f9 h\u1ee3p v\u1edbi l\u1edbp, ch\u1ea5t li\u1ec7u, \u0111\u01b0\u1eddng ch\u1ec9 may<\/td><\/tr><tr><td>V\u00f2ng \u0111\u1ec7m<\/td><td>\u0110\u1ed9 c\u1ee9ng, ID, OD, l\u1edbp ph\u1ee7, v\u00f9ng ch\u1ecbu l\u1ef1c<\/td><\/tr><tr><td>L\u1edbp ph\u1ee7<\/td><td>\u0110\u1ed9 d\u00e0y, \u0111\u1ed9 b\u00e1m d\u00ednh, y\u00eau c\u1ea7u phun mu\u1ed1i<\/td><\/tr><tr><td>Documents<\/td><td>MTC, b\u00e1o c\u00e1o l\u1edbp ph\u1ee7, b\u00e1o c\u00e1o ki\u1ec3m tra<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 l\u1ef1a ch\u1ecdn v\u00f2ng \u0111\u1ec7m, h\u00e3y xem x\u00e9t <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/washers\/\">s\u1ea3n ph\u1ea9m v\u00f2ng \u0111\u1ec7m<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/h2>\n\n\n\n<p>M\u1ed9t RFQ r\u00f5 r\u00e0ng n\u00ean bao g\u1ed3m:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>RFQ M\u1ee5c<\/th><th>Nh\u1eefng g\u00ec c\u1ea7n ch\u1ec9 \u0111\u1ecbnh<\/th><\/tr><\/thead><tbody><tr><td>\u1ee8ng d\u1ee5ng<\/td><td>K\u1ebft c\u1ea5u, thi\u1ebft b\u1ecb, neo, m\u1eb7t b\u00edch, m\u00e1y m\u00f3c<\/td><\/tr><tr><td>Environment<\/td><td>Trong nh\u00e0, ngo\u00e0i tr\u1eddi, bi\u1ec3n, h\u00f3a ch\u1ea5t, d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t<\/td><\/tr><tr><td>T\u00ecnh tr\u1ea1ng t\u1ea3i<\/td><td>L\u1ef1c c\u0103ng, c\u1eaft, rung, m\u1ecfi, va \u0111\u1eadp<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u<\/td><td>Th\u00e9p cacbon, th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9<\/td><\/tr><tr><td>L\u1edbp<\/td><td>8.8, 10.9, 12.9, A2-70, A4-80, ASTM c\u1ea5p<\/td><\/tr><tr><td>K\u1ebft th\u00fac<\/td><td>K\u1ebdm, HDG, v\u1ea3y k\u1ebdm, m\u00e0u \u0111en, PTFE, kh\u00f4ng g\u1ec9<\/td><\/tr><tr><td>Ki\u1ec3m tra<\/td><td>Phun mu\u1ed1i, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n k\u00e9o<\/td><\/tr><tr><td>Assembly<\/td><td>\u0110ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, b\u1ed9 ph\u1eadn kh\u00f3a<\/td><\/tr><tr><td>Documents<\/td><td>MTC, b\u00e1o c\u00e1o l\u1edbp ph\u1ee7, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c l\u00f4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t, l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn d\u00e0nh ri\u00eang cho d\u1ef1 \u00e1n, h\u00e3y s\u1eed d\u1ee5ng <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/custom-non-standard-fasteners\/\">\u1ed1c v\u00edt phi ti\u00eau chu\u1ea9n t\u00f9y ch\u1ec9nh<\/a> v\u00e0 cung c\u1ea5p b\u1ea3n v\u1ebd tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>R\u1ee7i ro h\u01b0 h\u1ecfng chi ti\u1ebft si\u1ebft ch\u1eb7t kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi c\u1ea5p \u0111\u1ed9 b\u1ec1n. M\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t do \u0103n m\u00f2n, r\u1ed7, k\u1eb9t ren, m\u1ea5t k\u1eb9p, h\u01b0 h\u1ecfng l\u1edbp ph\u1ee7, m\u1ecfi v\u00e0 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c ph\u1ea3i k\u1ebft h\u1ee3p v\u1eadt li\u1ec7u, c\u1ea5p \u0111\u1ed9, l\u1edbp ph\u1ee7, b\u1ed9 ph\u1eadn l\u1eafp r\u00e1p, m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c, b\u00e1o c\u00e1o ki\u1ec3m tra v\u00e0 b\u1ea3o v\u1ec7 bao b\u00ec. \u0110\u1ec3 t\u00ecm ngu\u1ed3n cung \u1ee9ng r\u1ed9ng h\u01a1n, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem l\u1ea1i to\u00e0n b\u1ed9 <a href=\"https:\/\/zfastener.com\/home\/products\/\" rel=\"nofollow noopener\" target=\"_blank\">s\u1ea3n ph\u1ea9m chi ti\u1ebft si\u1ebft ch\u1eb7t<\/a> ph\u1ea1m vi tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn cu\u1ed1i c\u00f9ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>Fastener strength is often discussed by grade: 8.8, 10.9, 12.9, A2-70, A4-80, ASTM B7, and so on. That is necessary, but it is not enough. In real service, the environment can reduce fastener performance long before the the environment can reduce fastener performance long before the theoretical strength limit is reached. Moisture, salt, chemicals, temperature, [&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":[504],"class_list":["post-6908","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-strength-grades-mechanical-properties"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6908","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=6908"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6908\/revisions"}],"predecessor-version":[{"id":6909,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6908\/revisions\/6909"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}