{"id":6618,"date":"2022-06-23T19:03:53","date_gmt":"2022-06-23T11:03:53","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6618"},"modified":"2026-06-17T19:05:26","modified_gmt":"2026-06-17T11:05:26","slug":"how-to-choose-fasteners-for-high-temperature-industrial-equipment","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/how-to-choose-fasteners-for-high-temperature-industrial-equipment\/","title":{"rendered":"C\u00e1ch ch\u1ecdn \u1ed1c v\u00edt cho thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p nhi\u1ec7t \u0111\u1ed9 cao"},"content":{"rendered":"<p>Thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng th\u00e2n thi\u1ec7n v\u1edbi \u1ed1c v\u00edt. Bu l\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng c\u00f3 th\u1ec3 b\u1ecb m\u1ea5t t\u1ea3i tr\u01b0\u1edbc, b\u1ecb oxy h\u00f3a, co l\u1ea1i, gi\u00e3n ho\u1eb7c n\u1ee9t sau khi gia nhi\u1ec7t v\u00e0 l\u00e0m m\u00e1t nhi\u1ec1u l\u1ea7n.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 n\u01a1i nhi\u1ec1u ng\u01b0\u1eddi mua b\u1ecb b\u1eaft. H\u1ecd ch\u1ec9 \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh v\u00e0 c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c nh\u01b0ng l\u1ea1i qu\u00ean nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh, \u00e1p su\u1ea5t, gi\u1edbi h\u1ea1n l\u1edbp ph\u1ee7, v\u1eadt li\u1ec7u \u0111ai \u1ed1c ho\u1eb7c t\u00ecnh tr\u1ea1ng b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi n\u1ed3i h\u01a1i, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, van, m\u1eb7t b\u00edch, l\u00f2 nung, h\u1ec7 th\u1ed1ng x\u1ea3, b\u1ed9 ph\u1eadn h\u00f3a d\u1ea7u v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n, vi\u1ec7c l\u1ef1a ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t ph\u1ea3i b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng ch\u1ee9 kh\u00f4ng ch\u1ec9 t\u00ean s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao nhi\u1ec7t \u0111\u1ed9 cao thay \u0111\u1ed5i hi\u1ec7u su\u1ea5t c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t<\/h2>\n\n\n\n<p>Ch\u1ed1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 \u0111\u00e1nh gi\u00e1 trong \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n. D\u1ecbch v\u1ee5 \u1edf nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i c\u1ee7a th\u00e9p, th\u00e9p kh\u00f4ng g\u1ec9, l\u1edbp ph\u1ee7 v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n.<\/p>\n\n\n\n<p>Nh\u1eefng r\u1ee7i ro ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ea5t s\u1ee9c m\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n\n\n\n<li>S\u1ef1 gi\u00e3n bu l\u00f4ng v\u00e0 t\u1ed5n th\u1ea5t t\u1ea3i tr\u01b0\u1edbc<\/li>\n\n\n\n<li>Qu\u00e1 tr\u00ecnh oxy h\u00f3a v\u00e0 co gi\u00e3n<\/li>\n\n\n\n<li>Co gi\u1eadt ho\u1eb7c gi\u1eadt s\u1ee3i ch\u1ec9<\/li>\n\n\n\n<li>S\u1ef1 c\u1ed1 l\u1edbp ph\u1ee7<\/li>\n\n\n\n<li>S\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t kh\u00f4ng ph\u00f9 h\u1ee3p<\/li>\n\n\n\n<li>M\u1ec7t m\u1ecfi t\u1eeb chu k\u1ef3 s\u01b0\u1edfi \u1ea5m v\u00e0 l\u00e0m m\u00e1t<\/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 xem v\u1eadt li\u1ec7u c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 l\u1ef1a ch\u1ecdn ch\u00ednh<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/h3>\n\n\n\n<p>Nhi\u1ec7t \u0111\u1ed9 l\u00e0 c\u00e2u h\u1ecfi \u0111\u1ea7u ti\u00ean. Kh\u00f4ng ch\u1ec9 nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a m\u00e0 c\u00f2n c\u1ea3 th\u1eddi gian chi ti\u1ebft si\u1ebft ch\u1eb7t gi\u1eef n\u00f3ng.<\/p>\n\n\n\n<p>Ti\u1ebfp x\u00fac ng\u1eafn v\u00e0 d\u1ecbch v\u1ee5 li\u00ean t\u1ee5c l\u00e0 kh\u00e1c nhau. M\u1eb7t b\u00edch \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 cao h\u00e0ng ng\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd kh\u00e1c v\u1edbi thi\u1ebft b\u1ecb ch\u1ec9 th\u1ea5y nhi\u1ec7t khi kh\u1edfi \u0111\u1ed9ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0110i\u1ec1u ki\u1ec7n d\u1ecbch v\u1ee5<\/th><th>M\u1ed1i quan t\u00e2m v\u1ec1 chi ti\u1ebft si\u1ebft ch\u1eb7t ch\u00ednh<\/th><\/tr><\/thead><tbody><tr><td>Nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i<\/td><td>\u0110\u1ed9 b\u1ec1n l\u1edbp ph\u1ee7 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ea3i tr\u01b0\u1edbc<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 cao li\u00ean t\u1ee5c<\/td><td>Duy tr\u00ec s\u1ee9c m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u01b0 gi\u00e3n<\/td><\/tr><tr><td>\u0110i xe \u0111\u1ea1p nhi\u1ec7t<\/td><td>M\u1ec7t m\u1ecfi, l\u1ecfng l\u1ebbo v\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a mi\u1ebfng \u0111\u1ec7m<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 cao v\u1edbi \u00e1p su\u1ea5t<\/td><td>Ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 cao v\u1edbi h\u00f3a ch\u1ea5t<\/td><td>Ch\u1ed1ng \u0103n m\u00f2n v\u00e0 oxy h\u00f3a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>RFQ ph\u1ea3i lu\u00f4n ghi r\u00f5 nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c t\u00ednh b\u1eb1ng \u00b0F ho\u1eb7c \u00b0C.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1edbp v\u1eadt li\u1ec7u<\/h3>\n\n\n\n<p>C\u00e1c \u1ed1c v\u00edt b\u1eb1ng th\u00e9p cacbon th\u00f4ng th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao. C\u00e1c lo\u1ea1i th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u t\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u v\u1ec1 \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u0103n m\u00f2n v\u00e0 m\u00e3.<\/p>\n\n\n\n<p>C\u00e1c tham chi\u1ebfu chung c\u1ee7a d\u1ef1 \u00e1n c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c ti\u00eau chu\u1ea9n ASTM, ASME, EN, DIN, ho\u1eb7c ISO. \u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb ch\u1ecbu \u00e1p l\u1ef1c, bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong c\u00e1c d\u1ef1 \u00e1n qu\u1ed1c t\u1ebf. (ASTM A193, ASTM A194)<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 so s\u00e1nh <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/stainless-steel\/\">\u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> khi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u0169ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft h\u1ee3p bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1eebng ch\u1ecdn Bolt m\u1ed9t m\u00ecnh<\/h3>\n\n\n\n<p>M\u1ed1i n\u1ed1i nhi\u1ec7t \u0111\u1ed9 cao l\u00e0 m\u1ed9t t\u1ed5 h\u1ee3p. Bu l\u00f4ng, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, mi\u1ebfng \u0111\u1ec7m v\u00e0 m\u1eb7t b\u00edch \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau.<\/p>\n\n\n\n<p>N\u1ebfu v\u1eadt li\u1ec7u \u0111ai \u1ed1c kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi bu l\u00f4ng, kh\u1edbp n\u1ed1i c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng ngay c\u1ea3 khi bu l\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u00fang. N\u1ebfu v\u00f2ng \u0111\u1ec7m qu\u00e1 m\u1ec1m, t\u1ea3i tr\u01b0\u1edbc c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng. N\u1ebfu l\u1edbp ph\u1ee7 b\u1ecb ch\u00e1y, c\u00e1c s\u1ee3i ch\u1ec9 c\u00f3 th\u1ec3 b\u1ecb k\u1eb9t trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec.<\/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 x\u00e1c nh\u1eadn<\/th><\/tr><\/thead><tbody><tr><td>Bu l\u00f4ng ho\u1eb7c \u0111inh t\u00e1n<\/td><td>Ch\u1ea5t li\u1ec7u, c\u1ea5p, \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u d\u00e0i, b\u01b0\u1edbc ren<\/td><\/tr><tr><td>h\u1ea1t<\/td><td>Ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n, c\u1ea5p \u0111\u1ed9 v\u00e0 nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p<\/td><\/tr><tr><td>V\u00f2ng \u0111\u1ec7m<\/td><td>\u0110\u1ed9 c\u1ee9ng, v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc v\u00e0 h\u1ed7 tr\u1ee3 ch\u1ecbu l\u1ef1c<\/td><\/tr><tr><td>L\u1edbp ph\u1ee7<\/td><td>Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 kh\u00edt c\u1ee7a ren<\/td><\/tr><tr><td>Lubricant<\/td><td>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch nhi\u1ec7t \u0111\u1ed9 cao<\/td><\/tr><tr><td>Documents<\/td><td>MTC, s\u1ed1 nhi\u1ec7t, b\u00e1o c\u00e1o ki\u1ec3m tra<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem l\u1ea1i to\u00e0n b\u1ed9 <a href=\"https:\/\/xzfastener.com\/vi\/home\/products\/\">s\u1ea3n ph\u1ea9m chi ti\u1ebft si\u1ebft ch\u1eb7t<\/a> ph\u1ea1m vi tr\u01b0\u1edbc khi ho\u00e0n t\u1ea5t RFQ.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gi\u1edbi h\u1ea1n l\u1edbp ph\u1ee7 v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/h2>\n\n\n\n<p>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n th\u01b0\u1eddng b\u1ecb hi\u1ec3u nh\u1ea7m trong c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao. M\u1ea1 k\u1ebdm, oxit \u0111en, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, s\u01a1n ph\u1ee7 v\u00e0 l\u1edbp ph\u1ee7 v\u1ea3y k\u1ebdm kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nhau d\u01b0\u1edbi nhi\u1ec7t. (PTFE)<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh, kh\u00f4ng ph\u1ea3i d\u1ecbch v\u1ee5 \u1edf nhi\u1ec7t \u0111\u1ed9 cao li\u00ean t\u1ee5c. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean, hi\u1ec7u su\u1ea5t l\u1edbp ph\u1ee7, \u0111\u1eb7c t\u00ednh ma s\u00e1t v\u00e0 h\u00ecnh th\u1ee9c b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 thay \u0111\u1ed5i.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng li\u00ean quan \u0111\u1ebfn \u0103n m\u00f2n, h\u00e3y xem x\u00e9t <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> v\u00e0 x\u00e1c nh\u1eadn gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi v\u1ec1 l\u1edbp ph\u1ee7 ph\u1ed5 bi\u1ebfn<\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng, h\u00e3y h\u1ecfi:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L\u1edbp ph\u1ee7 s\u1ebd t\u1ed3n t\u1ea1i \u1edf nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng?<\/li>\n\n\n\n<li>L\u1edbp ph\u1ee7 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4-men xo\u1eafn v\u00e0 t\u1ea3i tr\u01b0\u1edbc kh\u00f4ng?<\/li>\n\n\n\n<li>L\u1edbp ph\u1ee7 c\u00f3 t\u1ea1o ra kh\u00f3i, nguy c\u01a1 bong tr\u00f3c ho\u1eb7c co gi\u1eadt kh\u00f4ng?<\/li>\n\n\n\n<li>Th\u00e9p h\u1ee3p kim tr\u01a1n v\u1edbi h\u1ee3p ch\u1ea5t ch\u1ed1ng d\u00ednh c\u00f3 ph\u00f9 h\u1ee3p h\u01a1n kh\u00f4ng?<\/li>\n\n\n\n<li>C\u00f3 c\u1ea7n thay th\u1ebf b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t kh\u00f4ng?<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed9 cao, vi\u1ec7c l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ef9 thu\u1eadt ph\u00ea duy\u1ec7t ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo h\u00ecnh th\u1ee9c b\u00ean ngo\u00e0i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 thu gi\u1eef v\u00e0 b\u1ea3o tr\u00ec ch\u1ee7 \u0111\u1ec1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9<\/h3>\n\n\n\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 r\u1ea5t h\u1eefu \u00edch trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n, nh\u01b0ng c\u00e1c s\u1ee3i kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 b\u1ecb k\u1eb9t ho\u1eb7c b\u1ecb k\u1eb9t, \u0111\u1eb7c bi\u1ec7t khi l\u1eafp \u0111\u1eb7t kh\u00f4. Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 khi\u1ebfn vi\u1ec7c th\u00e1o g\u1ee1 kh\u00f3 kh\u0103n h\u01a1n sau th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng \u0111ai \u1ed1c v\u00e0 bu l\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/li>\n\n\n\n<li>Tr\u00e1nh c\u00e1c s\u1ee3i th\u00f4 ho\u1eb7c b\u1ecb h\u01b0 h\u1ecfng.<\/li>\n\n\n\n<li>X\u00e1c nh\u1eadn y\u00eau c\u1ea7u b\u00f4i tr\u01a1n.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng \u0111\u00fang quy tr\u00ecnh th\u1eaft ch\u1eb7t.<\/li>\n\n\n\n<li>Kh\u00f4ng bu\u1ed9c ch\u1eb7t c\u00e1c s\u1ee3i trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/li>\n<\/ul>\n\n\n\n<p>C\u1ea7n ki\u1ec3m tra t\u00ecnh tr\u1ea1ng ren tr\u01b0\u1edbc khi v\u1eadn chuy\u1ec3n, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c \u0111inh t\u00e1n v\u00e0 \u0111ai \u1ed1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1eb7t b\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi mua<\/h2>\n\n\n\n<p>L\u1ed7i chi ti\u1ebft si\u1ebft ch\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u b\u1eb1ng RFQ kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<p>H\u00e3y tr\u00e1nh nh\u1eefng sai l\u1ea7m sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ec9 \u0111\u1eb7t h\u00e0ng theo lo\u1ea1i nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/li>\n\n\n\n<li>B\u1ecf qua nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng \u1ed1c v\u00edt m\u1ea1 k\u1ebdm g\u1ea7n nhi\u1ec7t \u0111\u1ed9 cao m\u00e0 kh\u00f4ng c\u1ea7n c\u00e2n nh\u1eafc.<\/li>\n\n\n\n<li>Tr\u1ed9n c\u00e1c \u0111ai \u1ed1c kh\u00f4ng x\u00e1c \u0111\u1ecbnh v\u1edbi bu l\u00f4ng \u0111\u1ecbnh m\u1ee9c.<\/li>\n\n\n\n<li>Qu\u00ean \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m.<\/li>\n\n\n\n<li>Kh\u00f4ng n\u00eau y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft b\u1ecb ch\u1ecbu \u00e1p l\u1ef1c.<\/li>\n\n\n\n<li>B\u1ecf qua gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u.<\/li>\n\n\n\n<li>\u00c1p d\u1ee5ng c\u00e1c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn chung m\u00e0 kh\u00f4ng ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n.<\/li>\n\n\n\n<li>X\u1eed l\u00fd c\u00e1c b\u1ed9 ph\u1eadn thay th\u1ebf nh\u01b0 c\u00e1c m\u1eb7t h\u00e0ng t\u1ed3n kho th\u00f4ng th\u01b0\u1eddng.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c chi\u1ec1u d\u00e0i \u0111\u1eb7c bi\u1ec7t, v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao d\u1ef1a tr\u00ean b\u1ea3n v\u1ebd, 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 ho\u1eb7c m\u1eabu c\u0169.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra cho Ch\u1ed1t nhi\u1ec7t \u0111\u1ed9 cao<\/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>Cung c\u1ea5p nh\u1eefng g\u00ec<\/th><\/tr><\/thead><tbody><tr><td>Lo\u1ea1i thi\u1ebft b\u1ecb<\/td><td>Van, m\u1eb7t b\u00edch, l\u00f2 nung, n\u1ed3i h\u01a1i, b\u1ed9 trao \u0111\u1ed5i, m\u00e1y b\u01a1m<\/td><\/tr><tr><td>Temperature<\/td><td>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed1i \u0111a<\/td><\/tr><tr><td>Pressure<\/td><td>\u00c1p su\u1ea5t l\u00e0m vi\u1ec7c n\u1ebfu c\u00f3<\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n<\/td><td>ASTM, ASME, EN, DIN, ISO, ho\u1eb7c b\u1ea3n v\u1ebd<\/td><\/tr><tr><td>s\u1ea3n ph\u1ea9m<\/td><td>Bu l\u00f4ng, bu l\u00f4ng \u0111inh t\u00e1n, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, v\u00edt<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u<\/td><td>Th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t<\/td><\/tr><tr><td>K\u1ebft th\u00fac<\/td><td>\u0110\u1ed3ng b\u1eb1ng, tr\u00e1ng, th\u1ee5 \u0111\u1ed9ng ho\u1eb7c theo d\u1ef1 \u00e1n<\/td><\/tr><tr><td>Assembly<\/td><td>Y\u00eau c\u1ea7u v\u1ec1 \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n ph\u00f9 h\u1ee3p<\/td><\/tr><tr><td>Ki\u1ec3m tra<\/td><td>MTC, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n k\u00e9o, l\u1edbp ph\u1ee7, PMI n\u1ebfu \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/td><\/tr><tr><td>\u0110\u00f3ng g\u00f3i<\/td><td>Nh\u00e3n l\u00f4 v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t cho thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p nhi\u1ec7t \u0111\u1ed9 cao ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng. K\u00edch th\u01b0\u1edbc v\u00e0 c\u1ea5p \u0111\u1ed9 ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi mua n\u00ean x\u00e1c \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t, v\u1eadt li\u1ec7u, l\u1edbp ph\u1ee7, \u0111ai \u1ed1c ph\u00f9 h\u1ee3p, y\u00eau c\u1ea7u v\u1ec1 v\u00f2ng \u0111\u1ec7m, ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t v\u00e0 t\u00e0i li\u1ec7u tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t. \u0110\u00f3 l\u00e0 c\u00e1ch an to\u00e0n nh\u1ea5t \u0111\u1ec3 tr\u00e1nh m\u1ea5t t\u1ea3i tr\u01b0\u1edbc, gi\u1eadt ren, h\u1ecfng l\u1edbp ph\u1ee7 v\u00e0 c\u00e1c s\u1ef1 c\u1ed1 t\u1eaft m\u00e1y t\u1ed1n k\u00e9m sau n\u00e0y.<\/p>","protected":false},"excerpt":{"rendered":"<p>High-temperature equipment is not friendly to fasteners. A bolt that works well at room temperature may lose preload, oxidize, seize, relax, or crack after repeated heating and cooling. This is where many buyers get caught. They specify the correct diameter and grade, but they forget the operating temperature, pressure, coating limit, nut material, or maintenance [&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":[483],"class_list":["post-6618","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-industry-application-guides"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6618","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=6618"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6618\/revisions"}],"predecessor-version":[{"id":6619,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6618\/revisions\/6619"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}