{"id":1630,"date":"2026-07-07T08:23:09","date_gmt":"2026-07-07T08:23:09","guid":{"rendered":"https:\/\/www.ykyvalve.com\/?p=1630"},"modified":"2026-07-28T08:23:31","modified_gmt":"2026-07-28T08:23:31","slug":"cf3m-vs-cf8m-valve-material-comparison","status":"publish","type":"post","link":"https:\/\/www.ykyvalve.com\/vi\/blog\/cf3m-vs-cf8m-valve-material-comparison\/","title":{"rendered":"So s\u00e1nh v\u1eadt li\u1ec7u van CF3M v\u00e0 CF8M: H\u01b0\u1edbng d\u1eabn so s\u00e1nh \u0111\u1ea7y \u0111\u1ee7 d\u00e0nh cho k\u1ef9 s\u01b0"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 CF3M v\u00e0 CF8M \u0111\u1ec1u thu\u1ed9c lo\u1ea1i austenit, nh\u01b0ng nh\u1eefng kh\u00e1c bi\u1ec7t nh\u1ecf v\u1ec1 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o, hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf, kh\u1ea3 n\u0103ng h\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p b\u1ea3ng so s\u00e1nh k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7 gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 CF3M v\u00e0 CF8M \u0111\u1ec3 c\u00e1c k\u1ef9 s\u01b0 v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a quy\u1ebft \u0111\u1ecbnh mua s\u1eafm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9: L\u1ef1a ch\u1ecdn lo\u1ea1i th\u00e9p \u0111\u00fac Austenit ph\u00f9 h\u1ee3p<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 CF3M v\u00e0 CF8M \u0111\u1ec1u thu\u1ed9c ti\u00eau chu\u1ea9n ASTM A351, ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf d\u00e0nh cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 austenit d\u00f9ng cho c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu \u00e1p l\u1ef1c. <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/application\/high-temperature-valves-selection-guide\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/blog\/application\/high-temperature-valves-selection-guide\/\" rel=\"noreferrer noopener\">nhi\u1ec7t \u0111\u1ed9 cao<\/a> v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0103n m\u00f2n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 b\u1ec1 ngo\u00e0i ch\u00fang tr\u00f4ng gi\u1ed1ng nhau v\u00e0 c\u00f3 c\u00f9ng c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim, nh\u01b0ng ch\u00fang kh\u00e1c nhau v\u1ec1 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u00e0m l\u01b0\u1ee3ng cacbon v\u00e0 molypden. \u0110i\u1ec1u n\u00e0y quy\u1ebft \u0111\u1ecbnh s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a ch\u00fang v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t c\u1ee5 th\u1ec3 nh\u01b0 x\u1eed l\u00fd h\u00f3a ch\u1ea5t, \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i v\u00e0 kh\u00ed chua.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Gi\u1ea3i m\u00e3 c\u00e1c thu\u1eadt ng\u1eef: Th\u00e9p \u0111\u00fac so v\u1edbi th\u00e9p r\u00e8n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong h\u1ec7 th\u1ed1ng ASTM, k\u00fd hi\u1ec7u \u201cC\u201d cho bi\u1ebft CF3M v\u00e0 CF8M l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00fac, ph\u00e2n bi\u1ec7t ch\u00fang v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 gia c\u00f4ng t\u01b0\u01a1ng \u1ee9ng. C\u00e1c lo\u1ea1i th\u00e9p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a ch\u00fang nh\u01b0 sau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>C\u1ea5p \u0111\u1ed9 \u0111\u00fac<\/strong><\/td><td><strong>T\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u0111\u1ed3 r\u00e8n<\/strong><\/td><td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td><\/tr><tr><td>CF8M<\/td><td>AISI 316<\/td><td>Th\u00e9p kh\u00f4ng g\u1ec9 ti\u00eau chu\u1ea9n, \u1ed5 tr\u1ee5c molypden<\/td><\/tr><tr><td>CF3M<\/td><td>Th\u00e9p kh\u00f4ng g\u1ec9 AISI 316L<\/td><td>Phi\u00ean b\u1ea3n \u00edt carbon v\u1edbi kh\u1ea3 n\u0103ng h\u00e0n cao h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n c\u00e1c s\u1ea3n ph\u1ea9m r\u00e8n (\u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1eb1ng ti\u1ec1n t\u1ed1 \u201cF\u201d trong ASTM A182) v\u00ec ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p cao trong m\u1ed9t quy tr\u00ecnh s\u1ea3n xu\u1ea5t duy nh\u1ea5t. \u0110\u1ed1i v\u1edbi th\u00e2n van, v\u1ecf b\u01a1m, c\u00e1nh qu\u1ea1t v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c, ch\u00fang cho ph\u00e9p t\u1ea1o ra c\u00e1c chi ti\u1ebft li\u1ec1n kh\u1ed1i v\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y b\u00ean trong ph\u1ee9c t\u1ea1p, \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u v\u00e0 th\u1eddi gian gia c\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc: H\u00e0m l\u01b0\u1ee3ng cacbon v\u00e0 molypden<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt ch\u00ednh \u1edf <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/material\/cf8-vs-cf8m-vs-cf3m-gate-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/blog\/material\/cf8-vs-cf8m-vs-cf3m-gate-valve\/\" rel=\"noreferrer noopener\">CF3M so v\u1edbi CF8M<\/a> \u0110\u00f3 l\u00e0 h\u00e0m l\u01b0\u1ee3ng carbon v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>CF3M<\/strong><\/td><td><strong>CF8M<\/strong><\/td><td><strong>M\u1ee5c \u0111\u00edch c\u1ee7a h\u1ee3p kim<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>\u22640,03%<\/td><td>\u22640,08%<\/td><td>H\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea1y c\u1ea3m.<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>16.0-21.0%<\/td><td>18.0-21.0%<\/td><td>T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><\/tr><tr><td>Niken (Ni)<\/td><td>9.0-13.0%<\/td><td>9.0-12.0%<\/td><td>\u1ed4n \u0111\u1ecbnh ma tr\u1eadn austenit<\/td><\/tr><tr><td>Molypden (Mo)<\/td><td>2.0-3.0%<\/td><td>2.0-3.0%<\/td><td>T\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ed7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p h\u01a1n v\u00e0 h\u00e0m l\u01b0\u1ee3ng niken cao h\u01a1n trong CF3M l\u00e0m gi\u1ea3m s\u1ef1 k\u1ebft t\u1ee7a cacbua crom trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i ch\u1eadm v\u00e0 h\u00e0n, gi\u1eef cho crom \u1edf d\u1ea1ng dung d\u1ecbch r\u1eafn v\u00e0 duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00fac CF8M v\u00e0 CF3M \u0111\u1ec1u ch\u1ee9a t\u1eeb 2 \u0111\u1ebfn 3% molypden. Trong d\u00f2ng s\u1ea3n ph\u1ea9m 300, vi\u1ec7c b\u1ed5 sung h\u1ee3p kim n\u00e0y l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ed7 v\u00e0 \u0103n m\u00f2n khe h\u1edf do clorua g\u00e2y ra so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304. \u0110i\u1ec1u n\u00e0y c\u0169ng c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a ch\u00fang v\u1edbi c\u00e1c quy tr\u00ecnh h\u00f3a h\u1ecdc, n\u01b0\u1edbc bi\u1ec3n v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t kh\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>CF3M d\u00f9ng cho kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ph\u00e2n t\u00edch PREN<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u c\u00f3 ch\u1ec9 s\u1ed1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ed7 (PREN) x\u1ea5p x\u1ec9 25, cho kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ed7 do clorua cao g\u1ea5p \u0111\u00f4i so v\u1edbi c\u00e1c lo\u1ea1i CF3 v\u00e0 CF8 kh\u00f4ng ch\u1ee9a molypden. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh v\u1ec1 hi\u1ec7u su\u1ea5t n\u1eb1m \u1edf kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u00edt cacbon c\u1ee7a CF3M l\u00e0m gi\u1ea3m nguy c\u01a1 nh\u1ea1y c\u1ea3m v\u00f9ng h\u00e0n ho\u1eb7c s\u1ef1 k\u1ebft t\u1ee7a cacbua crom d\u1ecdc theo ranh gi\u1edbi h\u1ea1t trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i ch\u1eadm khi h\u00e0n ho\u1eb7c sau khi r\u00f3t. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf n\u00ean v\u01b0\u1ee3t tr\u1ed9i khi s\u1eed d\u1ee5ng cho van th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0n ho\u1eb7c khi kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh \u1ee7 dung d\u1ecbch sau h\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y, CF8M y\u00eau c\u1ea7u qu\u00e1 tr\u00ecnh \u1ee7 dung d\u1ecbch th\u00edch h\u1ee3p \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 1.040 \u0111\u1ed9 C (1.900 \u0111\u1ed9 F), sau \u0111\u00f3 l\u00e0m ngu\u1ed9i nhanh \u0111\u1ec3 h\u00f2a tan c\u00e1c cacbua v\u00e0 kh\u00f4i ph\u1ee5c ho\u00e0n to\u00e0n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n sau khi h\u00e0n ho\u1eb7c \u0111\u00fac.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 th\u1eddi \u0111i\u1ec3m nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y tr\u1edf n\u00ean quan tr\u1ecdng, h\u00e3y xem h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1... <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/ball-valves\/when-to-use-stainless-steel-ball-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng van bi th\u00e9p kh\u00f4ng g\u1ec9<\/a> tr\u00ean blog YKY.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>CF8M d\u00f9ng cho c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 CF3M c\u00f3 kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u01b0\u01a1ng t\u1ef1, CF8M<strong> <\/strong>C\u00f3 \u01b0u \u0111i\u1ec3m v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e9p CF8M th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n m\u1ed9t ch\u00fat, kho\u1ea3ng 485 MPa, so v\u1edbi th\u00e9p CF3M (445 \u0111\u1ebfn 485 MPa), do \u0111\u00f3 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n cho c\u00e1c ti\u1ebft di\u1ec7n \u0111\u00fac d\u00e0y v\u00e0 ch\u1ecbu t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc li\u00ean t\u1ee5c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t n\u1eefa l\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao. V\u1eadt li\u1ec7u van CF8M gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 80% \u1edf m\u1ee9c 300 \u0111\u1ed9 C, do \u0111\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb x\u1eed l\u00fd \u1edf nhi\u1ec7t \u0111\u1ed9 cao. <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/application\/gate-valve-for-steam-design-material-selection\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/blog\/application\/gate-valve-for-steam-design-material-selection\/\" rel=\"noreferrer noopener\">h\u1ec7 th\u1ed1ng h\u01a1i n\u01b0\u1edbc<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 c\u00e1c lo\u1ea1i nh\u1ef1a \u0111\u1eb7c bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 CF3MA v\u00e0 CF8A, kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn c\u00e1o s\u1eed d\u1ee5ng li\u00ean t\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 425 \u0111\u1ed9 C ho\u1eb7c 800 \u0111\u1ed9 F do t\u00ednh kh\u00f4ng \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng gi\u00f2n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i: Chi ph\u00ed v\u00e0 th\u1eddi gian giao h\u00e0ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00fac c\u00f3 gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n t\u1eeb 10 \u0111\u1ebfn 15% m\u1ed7i kilogram so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111\u01b0\u1ee3c r\u00e8n, v\u00ec ch\u00fang y\u00eau c\u1ea7u \u00edt c\u00f4ng \u0111o\u1ea1n gia c\u00f4ng h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So s\u00e1nh th\u00e9p kh\u00f4ng g\u1ec9 CF3M v\u00e0 CF8M, m\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u c\u00f3 gi\u00e1 th\u00e0nh t\u01b0\u01a1ng \u0111\u1ed1i cao, nh\u01b0ng lo\u1ea1i CF3M c\u00f3 gi\u00e1 cao h\u01a1n m\u1ed9t ch\u00fat do quy tr\u00ecnh s\u1ea3n xu\u1ea5t nghi\u00eam ng\u1eb7t h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n. Tin t\u1ed1t l\u00e0 \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u00f9 \u0111\u1eafp b\u1eb1ng vi\u1ec7c gi\u1ea3m nhu c\u1ea7u x\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n. Kh\u1ea3 n\u0103ng h\u00e0n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n c\u0169ng gi\u00fap gi\u1ea3m thi\u1ec3u chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 b\u1ea3o tr\u00ec trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m van \u0111\u00fac theo y\u00eau c\u1ea7u, c\u00e1c x\u01b0\u1edfng \u0111\u00fac th\u01b0\u1eddng c\u1ea7n t\u1eeb 6 \u0111\u1ebfn 8 tu\u1ea7n th\u1eddi gian s\u1ea3n xu\u1ea5t, t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00fac, y\u00eau c\u1ea7u v\u1ec1 d\u1ee5ng c\u1ee5, quy tr\u00ecnh ki\u1ec3m tra v\u00e0 l\u1ecbch tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t. M\u1eb7t kh\u00e1c, c\u00e1c thanh th\u00e9p r\u00e8n d\u00f9ng cho c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01a1n gi\u1ea3n h\u01a1n ch\u1ec9 c\u1ea7n t\u1eeb 2 \u0111\u1ebfn 4 tu\u1ea7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>CF3M so v\u1edbi CF8M: B\u1ea3ng so s\u00e1nh theo \u1ee9ng d\u1ee5ng<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"670\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-1200x670.webp\" alt=\"So s\u00e1nh tr\u1ef1c ti\u1ebfp v\u1eadt li\u1ec7u \u0111\u00fac CF3M v\u00e0 CF8M d\u01b0\u1edbi d\u1ea1ng kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng.\" class=\"wp-image-1633\" style=\"aspect-ratio:1.791084497671324;width:638px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-1200x670.webp 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-500x279.webp 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-300x167.webp 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-768x429.webp 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-18x10.webp 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-134x75.webp 134w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-480x268.webp 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61-800x447.webp 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td><td><strong>V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/strong><\/td><td><strong>L\u00fd gi\u1ea3i k\u1ef9 thu\u1eadt<\/strong><\/td><\/tr><tr><td>X\u1eed l\u00fd h\u00f3a h\u1ecdc<\/td><td>CF3M ho\u1eb7c CF8M<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu axit photphoric v\u00e0 axit sulfuric \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng nh\u1edd molypden.<\/td><\/tr><tr><td>H\u00e0ng h\u1ea3i &amp; ngo\u00e0i kh\u01a1i<\/td><td>CF3M<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00f9ng h\u00e0n ho\u1eb7c v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t (HAZ) trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua v\u00e0 t\u1ef1 phun li\u00ean t\u1ee5c.&nbsp;<\/td><\/tr><tr><td>Kh\u00ed chua (H2S)<\/td><td>CF3M<\/td><td>Gi\u1ea3m thi\u1ec3u s\u1ef1 l\u1eafng \u0111\u1ecdng cacbua v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e0ng th\u1ee5 \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn d\u1ea7u kh\u00ed.<\/td><\/tr><tr><td>H\u01a1i n\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 cao<\/td><td>CF8M<\/td><td>Kh\u1ea3 n\u0103ng duy tr\u00ec gi\u1edbi h\u1ea1n ch\u1ea3y v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed5ng th\u1ec3 cao h\u01a1n \u0111\u1ed1i v\u1edbi van th\u00e0nh d\u00e0y.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00fac \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u00e1p su\u1ea5t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau. Quy\u1ebft \u0111\u1ecbnh cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o, m\u1ed1i h\u00e0n d\u1ef1 ki\u1ebfn, nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng. \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn van ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a ch\u00fang t\u00f4i. <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/gate-valve\/guide-to-stainless-steel-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">H\u01b0\u1edbng d\u1eabn v\u1ec1 van th\u00e9p kh\u00f4ng g\u1ec9<\/a>.<\/p>\n\n\n\n<style>\r\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600;700&display=swap');\r\n\r\n.yky-nav-card {\r\n    position: relative;\r\n    display: flex;\r\n    align-items: center;\r\n    justify-content: flex-start;\r\n    min-height: 420px;\r\n    background-image: url('https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-61.webp');\r\n    background-size: cover;\r\n    background-position: center;\r\n    border-radius: 12px;\r\n    overflow: hidden;\r\n    margin: 40px auto;\r\n    max-width: 900px;\r\n    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);\r\n    font-family: 'Poppins', Arial, sans-serif;\r\n}\r\n\r\n.yky-nav-card::before {\r\n    content: '';\r\n    position: absolute;\r\n    top: 0;\r\n    left: 0;\r\n    width: 100%;\r\n    height: 100%;\r\n    background: linear-gradient(90deg, rgba(7, 14, 66, 0.85) 0%, rgba(7, 14, 66, 0.5) 60%, rgba(7, 14, 66, 0.2) 100%);\r\n    z-index: 1;\r\n}\r\n\r\n.yky-nav-content {\r\n    position: relative;\r\n    z-index: 2;\r\n    padding: 40px;\r\n    max-width: 550px;\r\n    color: #ffffff;\r\n}\r\n\r\n.yky-nav-title {\r\n    font-size: 28px;\r\n    font-weight: 700;\r\n    line-height: 1.3;\r\n    margin-bottom: 15px;\r\n    color: #ffffff;\r\n}\r\n\r\n.yky-nav-desc {\r\n    font-size: 16px;\r\n    line-height: 1.6;\r\n    margin-bottom: 25px;\r\n    color: #f1f1f1;\r\n    font-weight: 400;\r\n}\r\n\r\n.yky-nav-btn {\r\n    display: inline-block;\r\n    padding: 12px 28px;\r\n    background-color: #F2654A;\r\n    color: #ffffff !important;\r\n    text-decoration: none;\r\n    border-radius: 8px;\r\n    font-weight: 600;\r\n    font-size: 16px;\r\n    transition: background-color 0.3s ease, transform 0.2s ease;\r\n}\r\n\r\n.yky-nav-btn:hover {\r\n    background-color: #D8583B;\r\n    transform: translateY(-2px);\r\n}\r\n\r\n@media (max-width: 768px) {\r\n    .yky-nav-card {\r\n        min-height: 360px;\r\n        background-position: center;\r\n    }\r\n    .yky-nav-content {\r\n        padding: 25px;\r\n        max-width: 100%;\r\n        text-align: center;\r\n    }\r\n    .yky-nav-card {\r\n        justify-content: center;\r\n    }\r\n    .yky-nav-title {\r\n        font-size: 22px;\r\n    }\r\n    .yky-nav-desc {\r\n        font-size: 14px;\r\n    }\r\n}\r\n<\/style>\r\n\r\n<div class=\"yky-nav-card\">\r\n    <div class=\"yky-nav-content\">\r\n        <h2 class=\"yky-nav-title\">Kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p van c\u00f4ng nghi\u1ec7p to\u00e0n di\u1ec7n<\/h2>\r\n        <p class=\"yky-nav-desc\">Kh\u00e1m ph\u00e1 d\u00f2ng s\u1ea3n ph\u1ea9m to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i g\u1ed3m c\u00e1c lo\u1ea1i van bi, van c\u1ed5ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng c\u00f4ng nghi\u1ec7p hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho c\u00e1c d\u1ef1 \u00e1n B2B to\u00e0n c\u1ea7u.<\/p>\r\n        <a href=\"https:\/\/www.ykyvalve.com\/vi\/products\/\" class=\"yky-nav-btn\" target=\"_blank\">Xem t\u1ea5t c\u1ea3 s\u1ea3n ph\u1ea9m<\/a>\r\n    <\/div>\r\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>B\u1ea3ng so s\u00e1nh to\u00e0n di\u1ec7n v\u1ec1 mua s\u1eafm th\u00f4ng minh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1a ch\u1ecdn gi\u1eefa v\u1eadt li\u1ec7u CF3M v\u00e0 CF8M<strong> <\/strong>Cu\u1ed1i c\u00f9ng, \u0111i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u01a1 kh\u00ed c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng d\u1ef1 \u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft c\u1ea5u h\u00e0n v\u00e0 ti\u1ebfp x\u00fac v\u1edbi clorua, CF3M l\u00e0 l\u1ef1a ch\u1ecdn v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n c\u1ee5c b\u1ed9 v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea1y c\u1ea3m. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a \u1edf nhi\u1ec7t \u0111\u1ed9 cao, CF8M v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u1ec1 luy\u1ec7n kim v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, c\u00e1c k\u1ef9 s\u01b0, ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0 c\u00e1c c\u00f4ng ty c\u00f3 th\u1ec3 c\u00e2n b\u1eb1ng chi ph\u00ed v\u1edbi hi\u1ec7u su\u1ea5t \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ee3p t\u00e1c v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb v\u00e0 linh ki\u1ec7n c\u00f4ng nghi\u1ec7p \u0111\u00e1ng tin c\u1eady \u0111\u1ea3m b\u1ea3o m\u00e1c th\u00e9p \u0111\u00fac \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh hi\u1ec7n h\u00e0nh. YKY Valves, c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i Trung Qu\u1ed1c, s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n \u0111\u1ea7u t\u01b0 v\u00e0 gia c\u00f4ng CNC ph\u1ee9c t\u1ea1p \u0111\u1ec3 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng CF3M v\u00e0 CF8M cho h\u01a1n 30 qu\u1ed1c gia. T\u1ea5t c\u1ea3 c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u00e0 ti\u00eau chu\u1ea9n ISO9001, API, DIN v\u00e0 JIS, bao g\u1ed3m c\u1ea3... <a href=\"https:\/\/www.ykyvalve.com\/vi\/product\/api-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Van c\u1ed5ng API<\/a> v\u00e0 van c\u1ea7u.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.ykyvalve.com\/vi\/contact-us\/\" style=\"color:#fffbfb;background-color:#f6771c\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1eadn b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>CF3M and CF8M are both austenitic, but their subtle differences in chemical composition and mechanical properties impact fabrication, field performance, weldability, and long-term reliability. This guide<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1632,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[],"class_list":["post-1630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/comments?post=1630"}],"version-history":[{"count":3,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1630\/revisions"}],"predecessor-version":[{"id":1635,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1630\/revisions\/1635"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media\/1632"}],"wp:attachment":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media?parent=1630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/categories?post=1630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/tags?post=1630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}