{"id":19847,"date":"2024-12-14T02:50:00","date_gmt":"2024-12-13T18:50:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19847"},"modified":"2024-12-12T17:17:19","modified_gmt":"2024-12-12T09:17:19","slug":"a8","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/a8\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 l\u00e0m c\u1ee9ng b\u1eb1ng kh\u00ed WM A8: T\u00ednh ch\u1ea5t, X\u1eed l\u00fd nhi\u1ec7t, C\u00f4ng d\u1ee5ng"},"content":{"rendered":"<p>SteelPro Group cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 A8, h\u1ee3p kim t\u00f4i b\u1eb1ng kh\u00ed hi\u1ec7u su\u1ea5t cao k\u1ebft h\u1ee3p \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u1eeba ph\u1ea3i.&nbsp;<\/p><p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o, quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a n\u00f3, gi\u00fap b\u1ea1n hi\u1ec3u t\u1ea1i sao A8 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho nhu c\u1ea7u v\u1ec1 c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 A8 l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 A8 l\u00e0 th\u00e9p cacbon trung b\u00ecnh, t\u00f4i trong kh\u00f4ng kh\u00ed, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi WM A8. \u0110\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 th\u00e9p l\u00e0m vi\u1ec7c ngu\u1ed9i, A8 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc tuy\u1ec7t v\u1eddi trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t. N\u00f3 k\u1ebft h\u1ee3p \u0111\u1ed9 b\u1ec1n t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u1eeba ph\u1ea3i, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n cao h\u01a1n D2 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n S7.<\/p><p>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khu\u00f4n, m\u00e1y \u0111\u1ed9t v\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft, A8 th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 c\u1ee9ng t\u1eeb C55-60. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi H11 v\u00e0 H13 nh\u01b0ng kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao d\u1ec5 b\u1ecb m\u1ecfi nhi\u1ec7t. Ch\u00fang t\u00f4i cung c\u1ea5p A8 \u1edf d\u1ea1ng thanh, t\u1ea5m v\u00e0 tr\u00f2n, c\u00f3 s\u1eb5n \u1edf tr\u1ea1ng th\u00e1i \u1ee7, k\u00e9o ngu\u1ed9i ho\u1eb7c gia c\u00f4ng n\u00f3ng v\u1edbi dung sai ch\u1eb7t ch\u1ebd.<\/p><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 A8&nbsp;<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 A8, v\u1edbi h\u00e0m l\u01b0\u1ee3ng carbon v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim nh\u01b0 crom, molypden v\u00e0 vanadi, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t nhi\u1ec7t tuy\u1ec7t v\u1eddi. B\u1ea3ng sau \u0111\u00e2y tr\u00ecnh b\u00e0y th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a n\u00f3.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>Th\u00e0nh ph\u1ea7n (%)<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>0.50 &#8211; 0.60<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>5.13<\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>90, nh\u01b0 s\u1ef1 c\u00e2n b\u1eb1ng<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>\u2264 0,50<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>1.4<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u2264 0,030<\/td><\/tr><tr><td>Silic (Si)<\/td><td>0.93<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,030<\/td><\/tr><tr><td>Vonfram (W)<\/td><td>1.25<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 A8&nbsp;<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 A8 c\u00f3 \u0111\u1ed9 c\u1ee9ng cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi, \u0111\u1ea3m b\u1ea3o bi\u1ebfn d\u1ea1ng t\u1ed1i thi\u1ec3u d\u01b0\u1edbi \u1ee9ng su\u1ea5t. \u0110\u1ed9 b\u1ec1n c\u1ee7a n\u00f3 cho ph\u00e9p n\u00f3 ch\u1ed1ng n\u1ee9t v\u00e0 v\u1ee1, ngay c\u1ea3 khi ch\u1ecbu t\u1ea3i n\u1eb7ng. Th\u00e9p v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n theo th\u1eddi gian. B\u1ea3ng sau \u0111\u00e2y ph\u00e1c th\u1ea3o c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a n\u00f3.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (Anh)<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (HRC)<\/td><td>48 &#8211; 57<\/td><td>48 &#8211; 57<\/td><\/tr><tr><td>M\u00f4 \u0111un kh\u1ed1i<\/td><td>160 GPa<\/td><td>23.200 kil\u00f4gam<\/td><\/tr><tr><td>M\u00f4 \u0111un c\u1eaft<\/td><td>80,0 GPa<\/td><td>11.600 kil\u00f4gam<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>190 \u2013 210 GPa<\/td><td>27.557 \u2013 30.457 ksi<\/td><\/tr><tr><td>T\u1ef7 s\u1ed1 Poisson<\/td><td>0.27 &#8211; 0.30<\/td><td>0.27 &#8211; 0.30<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>65%<\/td><td>65%<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 A8<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 A8 c\u00f3 m\u1eadt \u0111\u1ed9 cao v\u00e0 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y t\u01b0\u01a1ng \u0111\u1ed1i cao, mang l\u1ea1i \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t tuy\u1ec7t v\u1eddi. H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p c\u1ee7a n\u00f3 \u0111\u1ea3m b\u1ea3o thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u \u1edf nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, trong khi \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a n\u00f3 h\u1ed7 tr\u1ee3 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3 trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. B\u1ea3ng sau \u0111\u00e2y tr\u00ecnh b\u00e0y c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a n\u00f3.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (Anh)<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,80 g\/cm\u00b3<\/td><td>0,282 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1.400\u00b0C<\/td><td>2.552\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>25,0 W\/m\u00b7K<\/td><td>14,5 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf<\/td><td>11,0 \u00b5m\/m\u00b7\u00b0C<\/td><td>6,1 \u00b5in\/in\u00b7\u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang<\/td><td>460 J\/kg\u00b7K<\/td><td>0,11 BTU\/lb\u00b7\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 A8<\/h2><p>X\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 A8 c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 d\u1ebbo dai, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi nhi\u1ec7t. Ch\u00fang t\u00f4i cung c\u1ea5p A8 trong \u0111i\u1ec1u ki\u1ec7n \u1ee7, k\u00e9o ngu\u1ed9i v\u00e0 gia c\u00f4ng n\u00f3ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u s\u1ea3n xu\u1ea5t \u0111a d\u1ea1ng.<\/p><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>\u0110\u1ec3 \u1ee7 th\u00e9p c\u00f4ng c\u1ee5 A8, h\u00e3y nung n\u00f3ng \u1edf t\u1ed1c \u0111\u1ed9 200\u00b0C (392\u00b0F) m\u1ed7i gi\u1edd cho \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 870\u2013900\u00b0C (1.598\u20131.652\u00b0F). Gi\u1eef trong 1 gi\u1edd cho m\u1ed7i 25,4 mm (1 inch) \u0111\u1ed9 d\u00e0y. L\u00e0m ngu\u1ed9i ch\u1eadm trong l\u00f2 ho\u1eb7c kh\u00f4ng kh\u00ed. Sau khi \u1ee7, \u0111\u1ed9 c\u1ee9ng s\u1ebd \u0111\u1ea1t kho\u1ea3ng 255\u2013271 HB (Brinell).<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><ul class=\"wp-block-list\"><li>L\u00e0m n\u00f3ng tr\u01b0\u1edbc<\/li><\/ul><p>L\u00e0m n\u00f3ng tr\u01b0\u1edbc th\u00e9p d\u1ee5ng c\u1ee5 A8 \u1edf nhi\u1ec7t \u0111\u1ed9 650\u2013700\u00b0C (1.202\u20131.292\u00b0F) \u0111\u1ec3 tr\u00e1nh s\u1ed1c nhi\u1ec7t v\u00e0 \u0111\u1ea3m b\u1ea3o gia nhi\u1ec7t \u0111\u1ed3ng \u0111\u1ec1u. T\u0103ng nhi\u1ec7t \u0111\u1ed9 d\u1ea7n d\u1ea7n v\u1edbi t\u1ed1c \u0111\u1ed9 200\u00b0C (392\u00b0F) m\u1ed7i gi\u1edd.<\/p><ul class=\"wp-block-list\"><li>Austenit h\u00f3a<\/li><\/ul><p>L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn 1.000\u20131.050\u00b0C (1.832\u20131.922\u00b0F) \u0111\u1ec3 austenit h\u00f3a. Gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong 15 ph\u00fat cho m\u1ed7i 25,4 mm (1 inch) \u0111\u1ed9 d\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u00ecnh th\u00e0nh austenit \u0111\u1ed3ng \u0111\u1ec1u.<\/p><ul class=\"wp-block-list\"><li>L\u00e0m ngu\u1ed9i<\/li><\/ul><p>Sau khi austenit h\u00f3a, t\u00f4i th\u00e9p trong d\u1ea7u ho\u1eb7c kh\u00f4ng kh\u00ed. \u0110\u1ed1i v\u1edbi t\u00f4i d\u1ea7u, s\u1eed d\u1ee5ng ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 850\u2013870\u00b0C (1.562\u20131.598\u00b0F). N\u1ebfu t\u00f4i kh\u00f4ng kh\u00ed, s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 1.000\u00b0C (1.832\u00b0F). T\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng t\u00f4i.<\/p><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>\u0110\u1ed1i v\u1edbi l\u1ea7n t\u00f4i luy\u1ec7n \u0111\u1ea7u ti\u00ean, nung th\u00e9p c\u00f4ng c\u1ee5 A8 \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 trong kho\u1ea3ng 150\u2013200\u00b0C (302\u2013392\u00b0F) v\u00e0 gi\u1eef trong 1 gi\u1edd cho m\u1ed7i 25,4 mm (1 inch) \u0111\u1ed9 d\u00e0y. N\u1ebfu c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh th\u00eam \u0111\u1ed9 c\u1ee9ng ho\u1eb7c \u0111\u1ed9 dai, h\u00e3y th\u1ef1c hi\u1ec7n l\u1ea7n t\u00f4i luy\u1ec7n th\u1ee9 hai \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n trong kho\u1ea3ng 500\u2013550\u00b0C (932\u20131.022\u00b0F).&nbsp;<\/p><p>\u0110\u1ed1i v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5 c\u00f3 ti\u1ebft di\u1ec7n l\u1edbn h\u01a1n 6 inch, n\u00ean ng\u00e2m \u1edf nhi\u1ec7t \u0111\u1ed9 t\u00f4i trong 4\u20136 gi\u1edd \u0111\u1ec3 gi\u1ea3i ph\u00f3ng \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u1ee5ng c\u1ee5 tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n EDM (gia c\u00f4ng b\u1eb1ng tia l\u1eeda \u0111i\u1ec7n).<\/p><h2 class=\"wp-block-heading\">M\u1eabu s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 A8<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 A8 th\u01b0\u1eddng c\u00f3 s\u1eb5n \u1edf nhi\u1ec1u d\u1ea1ng s\u1ea3n ph\u1ea9m kh\u00e1c nhau, bao g\u1ed3m thanh, t\u1ea5m v\u00e0 tr\u00f2n, mang l\u1ea1i t\u00ednh linh ho\u1ea1t cho c\u00e1c nhu c\u1ea7u s\u1ea3n xu\u1ea5t kh\u00e1c nhau. SteelPro Group c\u00f3 th\u1ec3 cung c\u1ea5p cho A8 dung sai ch\u00ednh x\u00e1c v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh v\u01b0\u1ee3t ra ngo\u00e0i c\u00e1c ph\u1ea1m vi s\u1ea3n ph\u1ea9m th\u00f4ng th\u01b0\u1eddng.<\/p><p>B\u1ea3ng n\u00e0y cung c\u1ea5p th\u00f4ng tin t\u1ed5ng quan v\u1ec1 c\u00e1c h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m ti\u00eau bi\u1ec3u c\u00f3 s\u1eb5n cho th\u00e9p c\u00f4ng c\u1ee5 A8.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>M\u1eabu s\u1ea3n ph\u1ea9m<\/strong><\/td><td><strong>Ph\u1ea1m vi \u0111i\u1ec3n h\u00ecnh<\/strong><\/td><td><strong>K\u00edch th\u01b0\u1edbc m\u00e9t<\/strong><\/td><td><strong>K\u00edch th\u01b0\u1edbc Anh<\/strong><\/td><\/tr><tr><td>Thanh<\/td><td>K\u00e9o ngu\u1ed9i, gia c\u00f4ng n\u00f3ng<\/td><td>\u0110\u01b0\u1eddng k\u00ednh 20 mm \u2013 250 mm<\/td><td>0,79 trong \u2013 9,84 trong<\/td><\/tr><tr><td>\u0110\u0129a<\/td><td>\u1ee6, gia c\u00f4ng n\u00f3ng<\/td><td>d\u00e0y 10 mm \u2013 100 mm<\/td><td>0,39 trong \u2013 3,94 trong<\/td><\/tr><tr><td>V\u00f2ng tr\u00f2n<\/td><td>K\u00e9o ngu\u1ed9i, gia c\u00f4ng n\u00f3ng<\/td><td>\u0110\u01b0\u1eddng k\u00ednh 20 mm \u2013 300 mm<\/td><td>0,79 trong \u2013 11,81 trong<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p c\u00f4ng c\u1ee5 A8<\/h2><p>\u0110\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 d\u1ebbo dai cao c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 A8 khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi \u1ee9ng su\u1ea5t cao.&nbsp;<\/p><p>C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 A8 bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li>Khu\u00f4n d\u1eadp<\/li>\n\n<li>Khu\u00f4n \u0111\u1ecbnh h\u00ecnh<\/li>\n\n<li>\u0110\u1ea5m<\/li>\n\n<li>\u0110\u1ed3ng h\u1ed3 \u0111o<\/li>\n\n<li>D\u1ee5ng c\u1ee5 c\u1eaft<\/li>\n\n<li>C\u00f4ng c\u1ee5 c\u1eaft t\u1ec9a<\/li>\n\n<li>Con l\u0103n v\u00e0 mi\u1ebfng ch\u00e8n<\/li>\n\n<li>L\u01b0\u1ee1i c\u1eaft<\/li>\n\n<li>D\u1ee5ng c\u1ee5 d\u1eadp<\/li><\/ul><h2 class=\"wp-block-heading\">D\u1ecbch v\u1ee5 t\u00f9y ch\u1ec9nh th\u00e9p c\u00f4ng c\u1ee5 A8<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 A8 d\u1ea1ng thanh, t\u1ea5m v\u00e0 tr\u00f2n. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 gia c\u00f4ng chuy\u00ean bi\u1ec7t cho th\u00e9p c\u00f4ng c\u1ee5 A8, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1eaft ch\u00ednh x\u00e1c, m\u00e0i, phay v\u00e0 ti\u1ec7n. Cho d\u00f9 b\u1ea1n c\u1ea7n h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p hay d\u1ee5ng c\u1ee5 hi\u1ec7u su\u1ea5t cao, ch\u00fang t\u00f4i \u0111\u1ec1u c\u00f3 chuy\u00ean m\u00f4n \u0111\u1ec3 cung c\u1ea5p ch\u00ednh x\u00e1c nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>SteelPro Group cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 A8, m\u1ed9t h\u1ee3p kim t\u00f4i b\u1eb1ng kh\u00ed hi\u1ec7u su\u1ea5t cao k\u1ebft h\u1ee3p \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u1eeba ph\u1ea3i. Trong b\u00e0i vi\u1ebft n\u00e0y, [\u2026]<\/p>","protected":false},"author":1,"featured_media":19845,"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-19847","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\/19847","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=19847"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19847\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/19845"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=19847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=19847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=19847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}