{"id":19834,"date":"2024-12-12T06:09:00","date_gmt":"2024-12-11T22:09:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19834"},"modified":"2025-01-14T15:05:37","modified_gmt":"2025-01-14T07:05:37","slug":"a11-a11pm","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/a11-a11pm\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 A11 | Th\u00e9p c\u00f4ng c\u1ee5 A11 PM: \u0110\u1eb7c \u0111i\u1ec3m, t\u00ednh ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Th\u00e9p A11 l\u00e0 g\u00ec?<\/h2><p>AISI A11 l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 l\u00e0m vi\u1ec7c ngu\u1ed9i c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao, vanadi cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu m\u00e0i m\u00f2n. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cao tuy\u1ec7t v\u1eddi v\u00e0 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng khu\u00f4n v\u00e0 d\u1ee5ng c\u1ee5 t\u1ea1o h\u00ecnh ngu\u1ed9i.<\/p><p>Cho d\u00f9 b\u1ea1n l\u00e0m vi\u1ec7c d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng hay nhi\u1ec7t \u0111\u1ed9 cao, th\u00e9p A11 c\u1ee7a SteelPro s\u1ebd \u0111\u1ea3m b\u1ea3o d\u1ee5ng c\u1ee5 c\u1ee7a b\u1ea1n lu\u00f4n s\u1eafc b\u00e9n v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 A11 PM l\u00e0 g\u00ec?<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 A11 PM (Luy\u1ec7n kim b\u1ed9t) l\u00e0 phi\u00ean b\u1ea3n A11 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng quy tr\u00ecnh luy\u1ec7n kim b\u1ed9t. Quy tr\u00ecnh n\u00e0y t\u1ea1o ra c\u1ea5u tr\u00fac vi m\u00f4 m\u1ecbn h\u01a1n v\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim, mang l\u1ea1i cho A11 PM kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n so v\u1edbi A11 th\u00f4ng th\u01b0\u1eddng. A11 PM th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng gia c\u00f4ng hi\u1ec7u su\u1ea5t cao, trong \u0111\u00f3 y\u00eau c\u1ea7u tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 k\u00e9o d\u00e0i v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.<\/p><p>B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh, ch\u00fang t\u00f4i \u0111\u00e3 n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i va \u0111\u1eadp v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t c\u1ee7a A11 PM. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady h\u01a1n v\u00e0 gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 A11 so v\u1edbi th\u00e9p c\u00f4ng c\u1ee5 PM A11: \u0110\u1eb7c \u0111i\u1ec3m<\/h2><h3 class=\"wp-block-heading\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 A11<\/h3><ul class=\"wp-block-list\"><li>\u0110\u1ed9 c\u1ee9ng cao: Th\u00e9p d\u1ee5ng c\u1ee5 A11 c\u1ee7a SteelPro \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ebfn HRC 62-65, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi d\u01b0\u1edbi l\u1ef1c c\u1eaft l\u1edbn.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t: Cacbua t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 duy tr\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n cho c\u00e1c c\u1ea1nh c\u1eaft.<\/li>\n\n<li>\u0110\u1ed9 c\u1ee9ng \u0111\u1ecf tuy\u1ec7t v\u1eddi: Duy tr\u00ec \u0111\u1ed9 c\u1ee9ng cao \u1edf nhi\u1ec7t \u0111\u1ed9 cao, th\u00edch h\u1ee3p cho vi\u1ec7c c\u1eaft t\u1ed1c \u0111\u1ed9 cao.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng t\u1ed1t: A11 c\u1ee7a SteelPro \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng \u0111\u1ed3ng \u0111\u1ec1u, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh nh\u1ea5t qu\u00e1n tr\u00ean nhi\u1ec1u k\u00edch c\u1ee1 d\u1ee5ng c\u1ee5 kh\u00e1c nhau.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng gia c\u00f4ng: M\u1eb7c d\u00f9 c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, th\u00e9p A11 c\u1ee7a SteelPro v\u1eabn d\u1ec5 gia c\u00f4ng th\u00f4ng qua qu\u00e1 tr\u00ecnh m\u00e0i, mang l\u1ea1i s\u1ef1 linh ho\u1ea1t cho c\u00e1c quy tr\u00ecnh gia c\u00f4ng kh\u00e1c nhau.<\/li><\/ul><h3 class=\"wp-block-heading\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 A11 PM<\/h3><ul class=\"wp-block-list\"><li>\u0110\u1ed9 c\u1ee9ng cao: C\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi HRC64~67, th\u00edch h\u1ee3p \u0111\u1ec3 c\u1eaft c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t: Cacbua c\u1ee9ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao v\u00e0 gi\u1ea3m chi ph\u00ed thay th\u1ebf.<\/li>\n\n<li>\u0110\u1ed9 c\u1ee9ng \u0111\u1ecf tuy\u1ec7t v\u1eddi: Duy tr\u00ec \u0111\u1ed9 c\u1ee9ng cao \u1edf nhi\u1ec7t \u0111\u1ed9 500~600\u00b0C, th\u00edch h\u1ee3p cho vi\u1ec7c c\u1eaft t\u1ed1c \u0111\u1ed9 cao.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng t\u1ed1t: C\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng \u0111\u1ed3ng \u0111\u1ec1u, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5 c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau.<\/li>\n\n<li>\u0110\u1ed9 b\u1ec1n t\u1ed1t: C\u00f3 \u0111\u1ed9 b\u1ec1n t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng va \u0111\u1eadp m\u00e0 kh\u00f4ng d\u1ec5 b\u1ecb g\u00e3y.<\/li><\/ul><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u th\u00e9p c\u00f4ng c\u1ee5 A11 so v\u1edbi t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u PM A11<\/h2><h3 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/h3><p>A11 v\u00e0 A11 PM c\u00f3 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc t\u01b0\u01a1ng t\u1ef1 nhau, nh\u01b0ng quy tr\u00ecnh luy\u1ec7n kim b\u1ed9t trong A11 PM \u0111\u1ea3m b\u1ea3o s\u1ef1 ph\u00e2n b\u1ed1 m\u1ecbn h\u01a1n v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td>Y\u1ebfu t\u1ed1<\/td><td>Th\u00e9p d\u1ee5ng c\u1ee5 A11<\/td><td>Th\u00e9p d\u1ee5ng c\u1ee5 A11 PM<\/td><\/tr><tr><td>Cacbon (C)<\/td><td>2.4% &#8211; 2.5%<\/td><td>2.45%<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>4.75% &#8211; 5.75%<\/td><td>5.25%<\/td><\/tr><tr><td>Vanadi (V)<\/td><td>9.25% &#8211; 10.25%<\/td><td>9.75%<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>1.1% &#8211; 1.5%<\/td><td>1.30%<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>0.35% &#8211; 0.6%<\/td><td>0.50%<\/td><\/tr><tr><td>Silic (Si)<\/td><td>0.75% &#8211; 1.1%<\/td><td>0.90%<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>0.050% &#8211; 0.090%<\/td><td>0.07%<\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>78.21% &#8211; 81.35%<\/td><td>78% &#8211; 81.4%<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u22640,030%<\/td><td>\u22640,030%<\/td><\/tr><tr><td>Vonfram (W)<\/td><td>\u22640,50%<\/td><td>\u22640,50%<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td>T\u00e0i s\u1ea3n<\/td><td>Th\u00e9p d\u1ee5ng c\u1ee5 A11<\/td><td>Th\u00e9p d\u1ee5ng c\u1ee5 A11 PM<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>5205MPa (754900psi)<\/td><td>5205MPa (754900psi)<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>Kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/td><td>\u0110\u01b0\u1ee3c c\u1ea3i thi\u1ec7n nh\u1edd x\u1eed l\u00fd PM<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (Rockwell C)<\/td><td>59 HRC<\/td><td>61 HRC (sau khi x\u1eed l\u00fd nhi\u1ec7t)<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (Brinell)<\/td><td>248 \u2013 269 (\u1ee6\/L\u00e0m c\u1ee9ng)<\/td><td>255 \u2013 277 (\u0110\u00e3 \u1ee7)<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>200 GPa (29000 ksi)<\/td><td>221 GPa (32100 ksi)<\/td><\/tr><tr><td>Izod Impact (Kh\u00f4ng c\u00f3 kh\u00eda)<\/td><td>39,3 J (29 ft.lb)<\/td><td>39,3 J (29 ft.lb)<\/td><\/tr><tr><td>S\u1ef1 m\u00e0i m\u00f2n<\/td><td>12 (ch\u1ed1ng m\u00e0i m\u00f2n)<\/td><td>12 (ch\u1ed1ng m\u00e0i m\u00f2n)<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh n\u00e9n<\/td><td>Cao<\/td><td>Cao h\u01a1n do c\u1ea5u tr\u00fac vi m\u00f4 m\u1ecbn h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 A11 PM c\u1ee7a SteelPro \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi m\u1ee5c \u0111\u00edch gia c\u00f4ng hi\u1ec7u su\u1ea5t cao v\u00e0 mang l\u1ea1i nh\u1eefng l\u1ee3i th\u1ebf v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi th\u00e9p A11 PM th\u00f4ng th\u01b0\u1eddng trong c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td>T\u00e0i s\u1ea3n<\/td><td>Th\u00e9p d\u1ee5ng c\u1ee5 A11<\/td><td>Th\u00e9p d\u1ee5ng c\u1ee5 A11 PM<\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,39 g\/cm\u00b3 (0,267 lb\/in\u00b3)<\/td><td>7,42 g\/cm\u00b3 (0,2681 lb\/in\u00b3)<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1450\u00b0C \u2013 1510\u00b0C (2642\u00b0F \u2013 2750\u00b0F)<\/td><td>1450\u00b0C \u2013 1510\u00b0C (2642\u00b0F \u2013 2750\u00b0F)<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>20,39 W\/m\u00b7K \u1edf 20\u00b0C (68\u00b0F)<\/td><td>26 W\/m\u00b7K \u1edf 20\u00b0C (68\u00b0F)<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang<\/td><td>0,460 J\/g\u00b7\u00b0C (0,110 BTU\/lb\u00b7\u00b0F)<\/td><td>0,460 J\/g\u00b7\u00b0C (0,110 BTU\/lb\u00b7\u00b0F)<\/td><\/tr><tr><td rowspan=\"4\">S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/td><td>10,72 \u00b5m\/m\u00b7\u00b0C (@ 20 \u2013 93\u00b0C)<\/td><td>10,7 \u00b5m\/m\u00b7\u00b0C (@ 20 \u2013 93\u00b0C)<\/td><\/tr><tr><td>11,1 \u00b5m\/m\u00b7\u00b0C (@ 20 \u2013 260\u00b0C)<\/td><td>11,1 \u00b5m\/m\u00b7\u00b0C (@ 20 \u2013 260\u00b0C)<\/td><\/tr><tr><td>11,8 \u00b5m\/m\u00b7\u00b0C (@ 20 \u2013 427\u00b0C)<\/td><td>11,8 \u00b5m\/m\u00b7\u00b0C (@ 20 \u2013 427\u00b0C)<\/td><\/tr><tr><td>12,3 \u00b5m\/m\u00b7\u00b0C (@ 20 \u2013 593\u00b0C)<\/td><td>12,3 \u00b5m\/m\u00b7\u00b0C (@ 20 \u2013 593\u00b0C)<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Gia c\u00f4ng th\u00e9p c\u00f4ng c\u1ee5 A11 &amp; th\u00e9p c\u00f4ng c\u1ee5 A11 PM<\/h2><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 A11<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 A11 c\u1ee7a ch\u00fang t\u00f4i n\u1ed5i ti\u1ebfng v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi, nh\u01b0ng vi\u1ec7c gia c\u00f4ng n\u00f3 c\u00f3 th\u1ec3 h\u01a1i kh\u00f3 kh\u0103n do \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 sau khi x\u1eed l\u00fd nhi\u1ec7t. Sau \u0111\u00e2y l\u00e0 c\u00e1ch ch\u00fang t\u00f4i x\u1eed l\u00fd quy tr\u00ecnh:<\/p><ul class=\"wp-block-list\"><li>L\u00e0m n\u00f3ng tr\u01b0\u1edbc: L\u00e0m n\u00f3ng \u0111\u1ebfn 1500\u00b0F (820\u00b0C), sau \u0111\u00f3 l\u00e0 1800\u00b0F \u2013 1850\u00b0F (980\u00b0C \u2013 1010\u00b0C) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o gia nhi\u1ec7t \u0111\u1ec1u v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t nhi\u1ec7t.<\/li>\n\n<li>Austenit h\u00f3a: \u0110un n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 1850\u00b0F \u2013 2150\u00b0F (1010\u00b0C \u2013 1175\u00b0C) trong 30-45 ph\u00fat \u0111\u1ec3 chuy\u1ec3n c\u1ea5u tr\u00fac vi m\u00f4 th\u00e0nh austenit.<\/li>\n\n<li>L\u00e0m ngu\u1ed9i: L\u00e0m ngu\u1ed9i trong mu\u1ed1i, d\u1ea7u ho\u1eb7c kh\u00f4ng kh\u00ed \u1edf nhi\u1ec7t \u0111\u1ed9 1000\u00b0F \u2013 1100\u00b0F (540\u00b0C \u2013 595\u00b0C) v\u00e0 l\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed xu\u1ed1ng d\u01b0\u1edbi 125\u00b0F (50\u00b0C).<\/li>\n\n<li>\u1ee6: \u1ee6 \u1edf nhi\u1ec7t \u0111\u1ed9 1000\u00b0F \u2013 1100\u00b0F (540\u00b0C \u2013 593\u00b0C) trong 2 gi\u1edd, t\u1ed1i thi\u1ec3u 2 chu k\u1ef3.<\/li>\n\n<li>Gi\u1ea3m \u1ee9ng su\u1ea5t: L\u00e0m n\u00f3ng \u0111\u1ebfn 621\u00b0F \u2013 677\u00b0F (1150\u00b0C \u2013 1250\u00b0C) v\u00e0 l\u00e0m ngu\u1ed9i ch\u1eadm \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t gia c\u00f4ng. Th\u00e9p c\u00f4ng c\u1ee5 A11 c\u00f3 kh\u1ea3 n\u0103ng gia c\u00f4ng \u0111\u1ecbnh m\u1ee9c l\u00e0 35-40% \u1edf tr\u1ea1ng th\u00e1i \u1ee7. Do \u0111\u1ed9 c\u1ee9ng sau khi x\u1eed l\u00fd nhi\u1ec7t, gia c\u00f4ng c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n v\u00e0 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 cacbua ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u gia c\u00f4ng hi\u1ec7u su\u1ea5t cao kh\u00e1c.<\/li><\/ul><p><strong>Gia c\u00f4ng kh\u00e1c<\/strong><\/p><ul class=\"wp-block-list\"><li>H\u00e0n: M\u1eb7c d\u00f9 h\u00e0n A11 kh\u00f4ng l\u00fd t\u01b0\u1edfng do c\u1ea5u tr\u00fac h\u1ea1t m\u1ecbn c\u1ee7a n\u00f3, nh\u01b0ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch chu\u1ea9n b\u1ecb th\u00edch h\u1ee3p. Ch\u00fang t\u00f4i l\u00e0m n\u00f3ng tr\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 1000\u00b0F \u2013 1100\u00b0F (540\u00b0C \u2013 595\u00b0C), s\u1eed d\u1ee5ng ch\u1ea5t \u0111\u1ed9n l\u00e0m c\u1ee9ng b\u1eb1ng kh\u00f4ng kh\u00ed v\u00e0 t\u00f4i sau khi h\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 1550\u00b0F (845\u00b0C).<\/li>\n\n<li>X\u1eed l\u00fd b\u1ec1 m\u1eb7t: \u0110\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u1ea5m nit\u01a1 (\u0111\u1ec3 t\u0103ng \u0111\u1ed9 c\u1ee9ng), ph\u1ee7 TiN (\u0111\u1ec3 gi\u1ea3m ma s\u00e1t) v\u00e0 ram b\u1eb1ng h\u01a1i n\u01b0\u1edbc (\u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t).<\/li><\/ul><p><strong>Nh\u1eefng c\u00e2n nh\u1eafc:<\/strong> \u0110\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t, ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean s\u1eed d\u1ee5ng t\u1ed1c \u0111\u1ed9 gia c\u00f4ng ch\u1eadm h\u01a1n v\u00e0 t\u1ed1c \u0111\u1ed9 n\u1ea1p li\u1ec7u cao h\u01a1n \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 m\u00e0i m\u00f2n v\u00e0 duy tr\u00ec tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 A11 PM<\/h3><p>A11 PM, nh\u1edd v\u00e0o quy tr\u00ecnh luy\u1ec7n kim b\u1ed9t, mang l\u1ea1i nh\u1eefng \u0111\u1eb7c t\u00ednh v\u01b0\u1ee3t tr\u1ed9i cho c\u00f4ng c\u1ee5 hi\u1ec7u su\u1ea5t cao. Sau \u0111\u00e2y l\u00e0 c\u00e1ch ch\u00fang t\u00f4i t\u1ed1i \u01b0u h\u00f3a gia c\u00f4ng:<\/p><ul class=\"wp-block-list\"><li>L\u00e0m n\u00f3ng tr\u01b0\u1edbc: \u0110\u1ea7u ti\u00ean l\u00e0m n\u00f3ng tr\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 1500\u00b0F \u2013 1550\u00b0F (820\u00b0C \u2013 845\u00b0C), sau \u0111\u00f3 \u0111\u1ebfn 1800\u00b0F \u2013 1850\u00b0F (1010\u00b0C \u2013 1040\u00b0C).<\/li>\n\n<li>Austenitize: \u0110un n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 1850\u00b0F \u2013 2150\u00b0F (1010\u00b0C \u2013 1175\u00b0C) trong 30-45 ph\u00fat, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u l\u00e0 2050\u00b0F (1120\u00b0C) \u0111\u1ed1i v\u1edbi RC 60-62.<\/li>\n\n<li>L\u00e0m ngu\u1ed9i: L\u00e0m ngu\u1ed9i b\u1eb1ng mu\u1ed1i, d\u1ea7u ho\u1eb7c kh\u00f4ng kh\u00ed \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 1000\u00b0F \u2013 1100\u00b0F (540\u00b0C \u2013 595\u00b0C), sau \u0111\u00f3 l\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c l\u00e0m \u1ea5m b\u1eb1ng tay.<\/li>\n\n<li>\u1ee6: \u1ee6 \u1edf nhi\u1ec7t \u0111\u1ed9 1000\u00b0F (540\u00b0C) trong 2 gi\u1edd, t\u1ed1i thi\u1ec3u 2 chu k\u1ef3, \u1ee7 ba l\u1ea7n n\u1ebfu \u1ee7 austenit h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 2000\u00b0F (1095\u00b0C).<\/li>\n\n<li>Gi\u1ea3m \u1ee9ng su\u1ea5t: V\u1eadt li\u1ec7u \u1ee7: nung \u1edf nhi\u1ec7t \u0111\u1ed9 1100\u00b0F \u2013 1300\u00b0F (595\u00b0C \u2013 740\u00b0C), V\u1eadt li\u1ec7u c\u1ee9ng: nung \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n 25\u00b0F so v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u00f4i ban \u0111\u1ea7u.<\/li>\n\n<li>X\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f4ng l\u1ea1nh: \u00c1p d\u1ee5ng sau khi ram \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i austenit gi\u1eef l\u1ea1i th\u00e0nh martensit.<\/li><\/ul><p><strong>Gia c\u00f4ng kh\u00e1c<\/strong><\/p><ul class=\"wp-block-list\"><li>H\u00e0n: H\u00e0n A11 PM c\u0169ng l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c nh\u01b0ng kh\u1ea3 thi khi l\u00e0m n\u00f3ng tr\u01b0\u1edbc \u0111\u1ebfn 1000\u00b0F (540\u00b0C), s\u1eed d\u1ee5ng ch\u1ea5t \u0111\u1ed9n l\u00e0m c\u1ee9ng b\u1eb1ng kh\u00f4ng kh\u00ed v\u00e0 x\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n \u1edf 1550\u00b0F (845\u00b0C).<\/li>\n\n<li>X\u1eed l\u00fd b\u1ec1 m\u1eb7t: \u0110\u1ed1i v\u1edbi A11 PM, ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean th\u1ea5m nit\u01a1 \u0111\u1ec3 c\u00f3 l\u1edbp c\u1ee9ng \u0111\u1ed3ng nh\u1ea5t, ph\u1ee7 TiN \u0111\u1ec3 gi\u1ea3m ma s\u00e1t v\u00e0 x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f4ng l\u1ea1nh \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.<\/li><\/ul><p><strong>Nh\u1eefng c\u00e2n nh\u1eafc: <\/strong>A11 PM c\u00f3 th\u1ec3 gia c\u00f4ng \u1edf t\u1ed1c \u0111\u1ed9 cao h\u01a1n so v\u1edbi A11, v\u1edbi \u0111\u1ed9 m\u00e0i m\u00f2n d\u1ee5ng c\u1ee5 \u00edt h\u01a1n, khi\u1ebfn \u0111\u00e2y tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3 h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng gia c\u00f4ng hi\u1ec7u su\u1ea5t cao.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 A11 v\u00e0 th\u00e9p c\u00f4ng c\u1ee5 PM A11<\/h2><h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p c\u00f4ng c\u1ee5 A11<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 A11 c\u1ee7a SteelPro Group mang l\u1ea1i k\u1ebft qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li>Gia c\u00f4ng ngu\u1ed9i: A11 c\u1ee7a SteelPro c\u00f3 \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c khu\u00f4n \u0111\u1ed9t d\u1eadp, t\u1ea1o h\u00ecnh v\u00e0 \u0111\u1ed9t l\u1ed7, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu \u1ee9ng su\u1ea5t cao v\u00e0 hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i, gi\u00fap gi\u1ea3m th\u1eddi gian ch\u1ebft.<\/li>\n\n<li>Khu\u00f4n \u00e9p nh\u1ef1a: A11 l\u00fd t\u01b0\u1edfng cho khu\u00f4n \u00e9p nh\u1ef1a kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, ch\u1ecbu \u0111\u01b0\u1ee3c chu k\u1ef3 \u0111\u00fac li\u00ean t\u1ee5c v\u00e0 gi\u1ea3m thi\u1ec3u hao m\u00f2n d\u1ee5ng c\u1ee5.<\/li>\n\n<li>Khu\u00f4n \u0111\u00f9n ngu\u1ed9i: M\u1ed9t v\u1eadt li\u1ec7u \u0111\u00e1ng tin c\u1eady cho khu\u00f4n \u0111\u00f9n ngu\u1ed9i c\u00f3 \u0111\u1ed9 b\u1ec1n cao, ch\u1ed1ng m\u00e0i m\u00f2n trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/li>\n\n<li>Khu\u00f4n c\u1eaft v\u00e0 l\u01b0\u1ee1i c\u1eaft: A11 cung c\u1ea5p kh\u1ea3 n\u0103ng c\u1eaft v\u00e0 \u0111\u1ecbnh h\u00ecnh ch\u00ednh x\u00e1c tr\u00ean khu\u00f4n c\u1eaft v\u00e0 l\u01b0\u1ee1i c\u1eaft, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/li>\n\n<li>D\u1ee5ng c\u1ee5 n\u00e9n b\u1ed9t: A11 ho\u00e0n h\u1ea3o cho d\u1ee5ng c\u1ee5 n\u00e9n b\u1ed9t, mang l\u1ea1i \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi \u00e1p su\u1ea5t cao.<\/li>\n\n<li>Mi\u1ebfng ch\u00e8n ch\u1ecbu m\u00e0i m\u00f2n: Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi c\u1ee7a A11 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho mi\u1ebfng ch\u00e8n ch\u1ecbu m\u00e0i m\u00f2n, gi\u00fap gi\u1ea3m th\u1eddi gian thay \u0111\u1ed5i d\u1ee5ng c\u1ee5 v\u00e0 th\u1eddi gian ch\u1ebft.<\/li><\/ul><h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p c\u00f4ng c\u1ee5 A11 PM<\/h3><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng th\u00e9p c\u00f4ng c\u1ee5 A11 PM \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ef1c cao. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li>D\u1ee5ng c\u1ee5 c\u1eaft: \u0110\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi c\u1ee7a A11 PM gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 c\u1eaft, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi gia c\u00f4ng c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 th\u00e9p d\u1ee5ng c\u1ee5.<\/li>\n\n<li>Khu\u00f4n hi\u1ec7u su\u1ea5t cao: A11 PM l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao nh\u01b0 khu\u00f4n \u00e9p nh\u1ef1a v\u00e0 khu\u00f4n \u0111\u00fac khu\u00f4n, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc.<\/li>\n\n<li>Gia c\u00f4ng t\u1ed1c \u0111\u1ed9 cao: C\u00e1c d\u1ee5ng c\u1ee5 l\u00e0m t\u1eeb A11 PM \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u1eaft t\u1ed1c \u0111\u1ed9 cao, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cho c\u00e1c nhi\u1ec7m v\u1ee5 n\u1eb7ng nh\u1ecdc, \u0111\u1ed3ng th\u1eddi gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 thay th\u1ebf.<\/li>\n\n<li>D\u1ee5ng c\u1ee5 gia c\u00f4ng ngu\u1ed9i: V\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, A11 PM ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng gia c\u00f4ng c\u1ef1c l\u1ea1nh nh\u01b0 khu\u00f4n \u00e9p \u0111\u00f9n v\u00e0 t\u1ea1o h\u00ecnh ngu\u1ed9i, ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t cao v\u00e0 m\u00e0i m\u00f2n.<\/li>\n\n<li>D\u1ee5ng c\u1ee5 \u0111\u00f9n v\u00e0 d\u1eadp: A11 PM mang l\u1ea1i \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u01b0\u1ee3t tr\u1ed9i trong qu\u00e1 tr\u00ecnh \u0111\u00f9n v\u00e0 d\u1eadp, \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 d\u00e0i v\u00e0 th\u1eddi gian ch\u1ebft t\u1ed1i thi\u1ec3u trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t kh\u1eaft khe.<\/li>\n\n<li>L\u01b0\u1ee1i c\u1eaft ch\u1ecbu l\u1ef1c n\u1eb7ng: A11 PM l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho l\u01b0\u1ee1i c\u1eaft \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n ch\u1ecbu t\u1ea3i tr\u1ecdng cao, m\u00e0i m\u00f2n cao, ch\u1eb3ng h\u1ea1n nh\u01b0 trong nh\u00e0 m\u00e1y th\u00e9p v\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4.<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 A2 so v\u1edbi A11<\/h2><p>C\u1ea3 hai \u0111\u1ec1u l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 gia c\u00f4ng ngu\u1ed9i, nh\u01b0ng c\u00f3 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t \u0111\u00e1ng ch\u00fa \u00fd:<\/p><p><strong>Th\u00e9p c\u00f4ng c\u1ee5 A2:<\/strong> \u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t, <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/a2\/\">Th\u00e9p A2<\/a> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng c\u1ee5 ch\u1ecbu m\u00e0i m\u00f2n v\u1eeba ph\u1ea3i. N\u00f3 \u0111\u01b0\u1ee3c t\u00f4i b\u1eb1ng kh\u00f4ng kh\u00ed nh\u01b0ng kh\u00f4ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng vanadi cao c\u1ee7a A11, \u0111i\u1ec1u n\u00e0y h\u1ea1n ch\u1ebf \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3.<\/p><p><strong>Th\u00e9p c\u00f4ng c\u1ee5 A11:<\/strong> A11 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i do c\u00f3 h\u00e0m l\u01b0\u1ee3ng vanadi cao, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea1o h\u00ecnh ngu\u1ed9i v\u00e0 gia c\u00f4ng.<\/p><h2 class=\"wp-block-heading\">Nh\u00e0 cung c\u1ea5p &amp; s\u1ea3n xu\u1ea5t th\u00e9p c\u00f4ng c\u1ee5 A11<\/h2><p>Cho d\u00f9 b\u1ea1n c\u1ea7n th\u00e9p c\u00f4ng c\u1ee5 hi\u1ec7u su\u1ea5t cao, \u0111\u00e1ng tin c\u1eady cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe hay t\u00ecm ki\u1ebfm v\u1eadt li\u1ec7u c\u1ea3i ti\u1ebfn \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u00f4ng c\u1ee5 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c t\u1ed1t h\u01a1n, th\u00ec Th\u00e9p c\u00f4ng c\u1ee5 A11 v\u00e0 Th\u00e9p c\u00f4ng c\u1ee5 A11 PM ch\u00ednh l\u00e0 gi\u1ea3i ph\u00e1p d\u00e0nh cho b\u1ea1n. H\u00e3y ch\u1ecdn SteelPro Group cho nhu c\u1ea7u v\u1ec1 d\u1ee5ng c\u1ee5 c\u1ee7a b\u1ea1n v\u00e0 tr\u1ea3i nghi\u1ec7m s\u1ef1 kh\u00e1c bi\u1ec7t khi l\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t \u0111\u01a1n v\u1ecb d\u1eabn \u0111\u1ea7u \u0111\u00e1ng tin c\u1eady trong ng\u00e0nh.<\/p><p>Ch\u00fang t\u00f4i \u1edf \u0111\u00e2y \u0111\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t \u2014 m\u1ecdi l\u00fac.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p A11 l\u00e0 g\u00ec? AISI A11 l\u00e0 lo\u1ea1i th\u00e9p d\u1ee5ng c\u1ee5 gia c\u00f4ng ngu\u1ed9i c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao, h\u00e0m l\u01b0\u1ee3ng vanadi cao, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu m\u00e0i m\u00f2n. [\u2026]<\/p>","protected":false},"author":12,"featured_media":19830,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4294,4293],"tags":[],"class_list":["post-19834","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grades-tool-steel","category-tool-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=19834"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19834\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/19830"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=19834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=19834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=19834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}