{"id":6703,"date":"2009-04-09T17:14:13","date_gmt":"2009-04-09T09:14:13","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6703"},"modified":"2026-06-18T17:15:53","modified_gmt":"2026-06-18T09:15:53","slug":"heat-resistant-fastener-materials-for-furnaces-engines-and-power-equipment","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/heat-resistant-fastener-materials-for-furnaces-engines-and-power-equipment\/","title":{"rendered":"V\u1eadt li\u1ec7u chi ti\u1ebft si\u1ebft ch\u1eb7t ch\u1ecbu nhi\u1ec7t cho l\u00f2 nung, \u0111\u1ed9ng c\u01a1 v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n"},"content":{"rendered":"<p>Bu l\u00f4ng ch\u1ecbu nhi\u1ec7t kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn gi\u1ed1ng nh\u01b0 bu l\u00f4ng th\u00f4ng th\u01b0\u1eddng. Trong l\u00f2 nung, \u0111\u1ed9ng c\u01a1, tua bin, n\u1ed3i h\u01a1i, h\u1ec7 th\u1ed1ng x\u1ea3 v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n, \u1ed1c v\u00edt ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec7t, qu\u00e1 tr\u00ecnh oxy h\u00f3a, rung \u0111\u1ed9ng, chu tr\u00ecnh nhi\u1ec7t v\u00e0 t\u1ed5n th\u1ea5t t\u1ea3i tr\u01b0\u1edbc.<\/p>\n\n\n\n<p>Bu l\u00f4ng th\u00e9p carbon ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 gi\u1eef t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. \u0110\u1eb7t c\u00f9ng m\u1ed9t bu l\u00f4ng g\u1ea7n c\u1eeda l\u00f2 ho\u1eb7c m\u1eb7t b\u00edch \u1ed1ng x\u1ea3 \u0111\u1ed9ng c\u01a1, k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 kh\u00e1c. S\u1ee9c m\u1ea1nh c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng. Ch\u1ee7 \u0111\u1ec1 c\u00f3 th\u1ec3 b\u1ecb thu gi\u1eef. L\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 b\u1ecb ch\u00e1y. C\u00e1c lo\u1ea1i h\u1ea1t c\u00f3 th\u1ec3 l\u1ecfng ra sau khi \u0111un n\u00f3ng v\u00e0 l\u00e0m ngu\u1ed9i nhi\u1ec1u l\u1ea7n.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua, \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u an to\u00e0n nh\u1ea5t r\u1ea5t \u0111\u01a1n gi\u1ea3n: x\u00e1c \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng tr\u01b0\u1edbc khi ch\u1ecdn v\u1eadt li\u1ec7u chi ti\u1ebft si\u1ebft ch\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao hi\u1ec7u su\u1ea5t c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t thay \u0111\u1ed5i nhi\u1ec7t<\/h2>\n\n\n\n<p>Nhi\u1ec7t \u0111\u1ed9 cao \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u1ed1c v\u00edt theo nhi\u1ec1u c\u00e1ch. M\u1ed1i quan t\u00e2m quan tr\u1ecdng nh\u1ea5t l\u00e0 kh\u1ea3 n\u0103ng duy tr\u00ec s\u1ee9c b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e3o, kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a kh\u1edbp.<\/p>\n\n\n\n<p>Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean, m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u m\u1ea5t \u0111i \u0111\u1ed9 b\u1ec1n. Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng l\u00e2u d\u00e0i, hi\u1ec7n t\u01b0\u1ee3ng r\u00e3o c\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng chi ti\u1ebft si\u1ebft ch\u1eb7t t\u1eeb t\u1eeb d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a t\u1ea3i. Chu k\u1ef3 nhi\u1ec7t c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u1ea3i tr\u01b0\u1edbc v\u00ec bu l\u00f4ng, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, mi\u1ebfng \u0111\u1ec7m v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 gi\u00e3n n\u1edf \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb ch\u1ecbu l\u1ef1c, ng\u01b0\u1eddi mua n\u00ean xem x\u00e9t ph\u00f9 h\u1ee3p <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 c\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 c\u00f3 h\u1ee3p l\u1ec7 v\u1edbi nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn cho \u1ed1c v\u00edt ch\u1ecbu nhi\u1ec7t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ed1t th\u00e9p h\u1ee3p kim<\/h3>\n\n\n\n<p>Th\u00e9p h\u1ee3p kim \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb \u00e1p l\u1ef1c, m\u1eb7t b\u00edch, van v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. C\u00e1c c\u1ea5p \u0111\u1ed9 nh\u01b0 ASTM A193 B7 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u b\u1eaft v\u00edt li\u00ean quan l\u00e0 ph\u1ed5 bi\u1ebfn trong m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c \u00e1p su\u1ea5t cao.<\/p>\n\n\n\n<p>Th\u00e9p h\u1ee3p kim th\u01b0\u1eddng mang l\u1ea1i hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc m\u1ea1nh m\u1ebd, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ho\u1eb7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t. Trong m\u00f4i tr\u01b0\u1eddng n\u00f3ng v\u00e0 \u1ea9m \u01b0\u1edbt, qu\u00e1 tr\u00ecnh oxy h\u00f3a v\u00e0 r\u1ec9 s\u00e9t ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ed1t th\u00e9p kh\u00f4ng g\u1ec9<\/h3>\n\n\n\n<p>\u1ed0c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn khi c\u1ea3 hai v\u1ea5n \u0111\u1ec1 \u0103n m\u00f2n v\u00e0 nhi\u1ec7t. C\u00e1c lo\u1ea1i nh\u01b0 304 v\u00e0 316 l\u00e0 ph\u1ed5 bi\u1ebfn, nh\u01b0ng ch\u00fang kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho c\u00e1c thi\u1ebft b\u1ecb c\u00f3 nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao.<\/p>\n\n\n\n<p>\u0110\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng oxy h\u00f3a cao h\u01a1n, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc c\u00e1c lo\u1ea1i kh\u00f4ng g\u1ec9 ch\u1ecbu nhi\u1ec7t nh\u01b0 310, 321, ho\u1eb7c 347, t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t.<\/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 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho d\u1ecbch v\u1ee5 n\u00f3ng v\u00e0 \u0103n m\u00f2n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ed1t h\u1ee3p kim niken<\/h3>\n\n\n\n<p>H\u1ee3p kim niken \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi nhi\u1ec7t \u0111\u1ed9, s\u1ef1 \u0103n m\u00f2n v\u00e0 nhu c\u1ea7u c\u01a1 h\u1ecdc nghi\u00eam tr\u1ecdng. Ch\u00fang ph\u1ed5 bi\u1ebfn trong tua-bin, l\u00f2 nung, thi\u1ebft b\u1ecb h\u00f3a h\u1ecdc, h\u1ec7 th\u1ed1ng x\u1ea3, ph\u00e1t \u0111i\u1ec7n v\u00e0 d\u1ecbch v\u1ee5 h\u00f3a d\u1ea7u.<\/p>\n\n\n\n<p>Ch\u00fang \u0111\u1eaft h\u01a1n th\u00e9p carbon ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 ti\u00eau chu\u1ea9n. H\u1ecd c\u0169ng c\u00f3 th\u1ec3 y\u00eau c\u1ea7u th\u1eddi gian th\u1ef1c hi\u1ec7n l\u00e2u h\u01a1n. Nh\u01b0ng trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng kh\u1eafc nghi\u1ec7t, h\u1ee3p kim niken c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m nguy c\u01a1 oxy h\u00f3a, r\u00e3o v\u00e0 h\u01b0 h\u1ecfng s\u1edbm.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Nh\u00f3m v\u1eadt li\u1ec7u<\/th><th>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><th>H\u1ea1n ch\u1ebf ch\u00ednh<\/th><\/tr><\/thead><tbody><tr><td>Th\u00e9p cacbon<\/td><td>C\u00e1c t\u1ed5 h\u1ee3p chung \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><td>L\u1ef1a ch\u1ecdn k\u00e9m cho nhi\u1ec7t \u0111\u1ed9 cao k\u00e9o d\u00e0i<\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim<\/td><td>B\u00ecnh \u00e1p l\u1ef1c, m\u1eb7t b\u00edch, van, thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/td><td>C\u00f3 th\u1ec3 c\u1ea7n ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh oxy h\u00f3a ho\u1eb7c \u0103n m\u00f2n<\/td><\/tr><tr><td>304 \/ 316 th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>Nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i v\u1edbi m\u1ed1i lo ng\u1ea1i v\u1ec1 \u0103n m\u00f2n<\/td><td>Kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi d\u1ecbch v\u1ee5 \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/td><\/tr><tr><td>310 \/ 321 \/ 347 th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>L\u00f2 nung, t\u1ea5m ch\u1eafn nhi\u1ec7t, c\u00e1c b\u1ed9 ph\u1eadn li\u00ean quan \u0111\u1ebfn kh\u00ed th\u1ea3i<\/td><td>Ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ea3i tr\u1ecdng c\u1ee7a d\u1ef1 \u00e1n<\/td><\/tr><tr><td>H\u1ee3p kim niken<\/td><td>Nhi\u1ec7t \u0111\u1ed9 cao, oxy h\u00f3a, ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t<\/td><td>Chi ph\u00ed cao h\u01a1n v\u00e0 chu k\u1ef3 t\u00ecm ngu\u1ed3n cung \u1ee9ng d\u00e0i h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Furnaces<\/h3>\n\n\n\n<p>C\u00e1c \u1ed1c v\u00edt l\u00f2 c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean t\u1ee5c v\u1ec1 nhi\u1ec7t, c\u1eb7n, oxy h\u00f3a v\u00e0 b\u1ea3o tr\u00ec. V\u1eadt li\u1ec7u n\u00ean \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 v\u00e0 ch\u1ed1ng oxy h\u00f3a.<\/p>\n\n\n\n<p>Nh\u1eefng m\u1ed1i quan t\u00e2m chung bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Co gi\u1eadt ch\u1ec9 sau th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng<\/li>\n\n\n\n<li>Qu\u00e1 tr\u00ecnh oxy h\u00f3a tr\u00ean \u0111\u1ea7u v\u00e0 s\u1ee3i ti\u1ebfp x\u00fac<\/li>\n\n\n\n<li>M\u1ea5t s\u1ee9c m\u1ea1nh d\u01b0\u1edbi nhi\u1ec7t duy tr\u00ec<\/li>\n\n\n\n<li>Kh\u00f3 th\u00e1o \u1ed1c v\u00edt trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9ng c\u01a1 v\u00e0 h\u1ec7 th\u1ed1ng x\u1ea3<\/h3>\n\n\n\n<p>\u0110\u1ed9ng c\u01a1 t\u1ea1o ra nhi\u1ec7t c\u1ed9ng v\u1edbi \u0111\u1ed9 rung. C\u00e1c ch\u1ed1t g\u1ea7n \u1ed1ng x\u1ea3, h\u1ec7 th\u1ed1ng turbo ho\u1eb7c gi\u00e1 \u0111\u1ee1 c\u00f3 th\u1ec3 b\u1ecb l\u1ecfng ho\u1eb7c k\u1eb9t n\u1ebfu v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7 kh\u00f4ng \u0111\u00fang.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi mua n\u00ean ki\u1ec3m tra c\u00e1c y\u00eau c\u1ea7u v\u1ec1 chu tr\u00ecnh nhi\u1ec7t, \u0111\u1ed9 rung, ph\u01b0\u01a1ng ph\u00e1p kh\u00f3a ren v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng k\u1eb9t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/h3>\n\n\n\n<p>Thi\u1ebft b\u1ecb \u0111i\u1ec7n th\u01b0\u1eddng s\u1eed d\u1ee5ng bu l\u00f4ng trong m\u1eb7t b\u00edch, van, tua bin, n\u1ed3i h\u01a1i, gi\u00e1 \u0111\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i tu\u00e2n theo c\u00e1c ti\u00eau chu\u1ea9n ASTM, ASME, EN, DIN, ho\u1eb7c c\u00e1c ti\u00eau chu\u1ea9n d\u1ef1 \u00e1n.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m thi\u1ebft b\u1ecb 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 v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c bu l\u00f4ng, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, \u0111inh t\u00e1n v\u00e0 thanh ren v\u1edbi nhau.<\/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>L\u1edbp ph\u1ee7 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra c\u1ea9n th\u1eadn trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao. M\u1ea1 k\u1ebdm, oxit \u0111en, v\u1ea3y k\u1ebdm, PTFE, v\u00e0 m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nhau d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 l\u1edbp ph\u1ee7 r\u1ea5t h\u1eefu \u00edch cho vi\u1ec7c \u0103n m\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p g\u1ea7n l\u00f2 nung, \u0111\u1ed9ng c\u01a1 ho\u1eb7c d\u00e2y chuy\u1ec1n x\u1eed l\u00fd n\u00f3ng. L\u1edbp ph\u1ee7 c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4-men xo\u1eafn v\u00e0 t\u1ea3i tr\u01b0\u1edbc.<\/p>\n\n\n\n<p>\u0110\u1ec3 bi\u1ebft c\u00e1c l\u1ef1a ch\u1ecdn b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t, 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 ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u1edbp \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m v\u00e0 ren<\/h2>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t ch\u1ecbu nhi\u1ec7t ph\u1ea3i bao g\u1ed3m c\u1ea3 b\u1ed9 l\u1eafp r\u00e1p \u0111\u1ea7y \u0111\u1ee7. M\u1ed9t bu l\u00f4ng \u0111\u00fang v\u1edbi \u0111ai \u1ed1c sai v\u1eabn c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng.<\/p>\n\n\n\n<p>Ki\u1ec3m tra:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>V\u1eadt li\u1ec7u bu l\u00f4ng ho\u1eb7c \u0111inh t\u00e1n<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u h\u1ea1t v\u00e0 l\u1edbp<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u v\u00f2ng \u0111\u1ec7m v\u00e0 \u0111\u1ed9 c\u1ee9ng<\/li>\n\n\n\n<li>Cao \u0111\u1ed9 v\u00e0 m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ch\u1ee7 \u0111\u1ec1<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u b\u00f4i tr\u01a1n ho\u1eb7c ch\u1ed1ng k\u1eb9t<\/li>\n\n\n\n<li>Ho\u1ea1t \u0111\u1ed9ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao \u0111i\u1ec3m<\/li>\n\n\n\n<li>\u0110i\u1ec1u ki\u1ec7n chu tr\u00ecnh nhi\u1ec7t<\/li>\n\n\n\n<li>Gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u00e0 b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m c\u1ea7n thi\u1ebft<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi chi\u1ec1u d\u00e0i kh\u00f4ng chu\u1ea9n, ren \u0111\u1eb7c bi\u1ec7t ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn 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>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra cho Ch\u1ed1t ch\u1ecbu nhi\u1ec7t<\/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>Lo\u1ea1i thi\u1ebft b\u1ecb<\/td><td>L\u00f2 nung, \u0111\u1ed9ng c\u01a1, tua bin, n\u1ed3i h\u01a1i, van, m\u1eb7t b\u00edch<\/td><\/tr><tr><td>Temperature<\/td><td>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed1i \u0111a<\/td><\/tr><tr><td>T\u00ecnh tr\u1ea1ng t\u1ea3i<\/td><td>T\u0129nh, rung, \u00e1p su\u1ea5t, chu tr\u00ecnh nhi\u1ec7t<\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n<\/td><td>ASTM, ASME, ISO, DIN, EN, ho\u1eb7c b\u1ea3n v\u1ebd<\/td><\/tr><tr><td>Lo\u1ea1i 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, h\u1ee3p kim niken<\/td><\/tr><tr><td>K\u1ebft th\u00fac<\/td><td>\u0110\u1ed3ng b\u1eb1ng, th\u1ee5 \u0111\u1ed9ng, tr\u00e1ng ho\u1eb7c theo d\u1ef1 \u00e1n<\/td><\/tr><tr><td>Documents<\/td><td>MTC, nhi\u1ec7t s\u1ed1, \u0111\u1ed9 c\u1ee9ng, b\u00e1o c\u00e1o \u0111\u1ed9 b\u1ec1n k\u00e9o<\/td><\/tr><tr><td>Assembly<\/td><td>Kh\u1edbp n\u1ed1i \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, ch\u1ed1ng k\u1eb9t, \u0111i\u1ec1u ki\u1ec7n m\u00f4-men xo\u1eafn<\/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>Vi\u1ec7c l\u1ef1a ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t ch\u1ecbu nhi\u1ec7t ph\u1ea3i d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. \u0110\u1eebng ch\u1ec9 ch\u1ecdn theo k\u00edch c\u1ee1, c\u1ea5p \u0111\u1ed9 ho\u1eb7c h\u00ecnh th\u1ee9c b\u00ean ngo\u00e0i.<\/p>\n\n\n\n<p>X\u00e1c nh\u1eadn nhi\u1ec7t \u0111\u1ed9, t\u1ea3i tr\u1ecdng, nguy c\u01a1 oxy h\u00f3a, kh\u1ea3 n\u0103ng \u0103n m\u00f2n, chu tr\u00ecnh nhi\u1ec7t, ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ren, \u0111ai \u1ed1c ph\u00f9 h\u1ee3p, v\u00f2ng \u0111\u1ec7m v\u00e0 t\u00e0i li\u1ec7u tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t. Trong thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed9 cao, v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p s\u1ebd ng\u0103n ng\u1eeba \u0111\u01b0\u1ee3c nhi\u1ec1u v\u1ea5n \u0111\u1ec1 h\u01a1n l\u00e0 h\u1ecfng chi ti\u1ebft si\u1ebft ch\u1eb7t. N\u00f3 gi\u00fap b\u1ea3o v\u1ec7 to\u00e0n b\u1ed9 l\u1eafp r\u00e1p.<\/p>","protected":false},"excerpt":{"rendered":"<p>Heat-resistant fasteners are not selected the same way as ordinary bolts. In furnaces, engines, turbines, boilers, exhaust systems, and power equipment, fasteners face heat, oxidation, vibration, thermal cycling, and preload loss. A standard carbon steel bolt may hold well at room temperature. Put the same bolt near a furnace door or engine exhaust flange, and [&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":[487],"class_list":["post-6703","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-materials"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6703","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=6703"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6703\/revisions"}],"predecessor-version":[{"id":6704,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6703\/revisions\/6704"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}