{"id":19816,"date":"2024-12-11T08:25:00","date_gmt":"2024-12-11T00:25:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19816"},"modified":"2024-12-12T21:29:23","modified_gmt":"2024-12-12T13:29:23","slug":"o2","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/o2\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 AISI O2 | 1.2842: T\u00ednh ch\u1ea5t, X\u1eed l\u00fd nhi\u1ec7t, C\u00f4ng d\u1ee5ng"},"content":{"rendered":"<p>Th\u00e9p c\u00f4ng c\u1ee5 O2 l\u00e0 v\u1eadt li\u1ec7u \u0111\u00e1ng tin c\u1eady cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n cao v\u00e0 hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i. T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i t\u1ef1 h\u00e0o cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 O2 ch\u1ea5t l\u01b0\u1ee3ng cao, s\u1eb5n s\u00e0ng \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u ri\u00eang bi\u1ec7t c\u1ee7a c\u00e1c d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.&nbsp;<\/p><p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd xem x\u00e9t k\u1ef9 h\u01a1n v\u1ec1 th\u00e9p c\u00f4ng c\u1ee5 O2, c\u00e1c \u0111\u1eb7c t\u00ednh, \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 v\u00e0 c\u00e1ch x\u1eed l\u00fd nhi\u1ec7t c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. H\u00e3y \u0111\u1ec3 ch\u00fang t\u00f4i gi\u00fap b\u1ea1n bi\u1ebft th\u00eam v\u1ec1 th\u00e9p c\u00f4ng c\u1ee5 O2.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 O2 l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 O2 l\u00e0 h\u1ee3p kim cacbon cao, gia c\u00f4ng ngu\u1ed9i th\u01b0\u1eddng c\u00f3 d\u1ea1ng thanh tr\u00f2n, thanh ph\u1eb3ng v\u00e0 \u0111\u00f4i khi l\u00e0 d\u1ea1ng t\u1ea5m. \u0110\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u1ec1 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh \u0111\u1eb7c bi\u1ec7t, O2 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft, \u0111\u1ed9t v\u00e0 khu\u00f4n. Sau khi x\u1eed l\u00fd nhi\u1ec7t, n\u00f3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng 55-60 HRC, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng gia c\u00f4ng ngu\u1ed9i.<\/p><h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n v\u00e0 c\u00e1c c\u1ea5p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a O2<\/h2><p>Hi\u1ec3u r\u00f5 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 c\u1ea5p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y, SteelPro Group cung c\u1ea5p t\u1ed5ng quan r\u00f5 r\u00e0ng v\u1ec1 c\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u kh\u00e1c nhau:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Ti\u00eau chu\u1ea9n<\/strong><\/td><td><strong>\u0110i\u1ec3m s\u1ed1<\/strong><\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n ASTMA681<\/td><td>O2 \/ T31502<\/td><\/tr><tr><td>GB\/T 1299<\/td><td>90mncrv8<\/td><\/tr><tr><td>SAE J437<\/td><td>SAE 1080<\/td><\/tr><tr><td>SAE J438<\/td><td>SAE 1095<\/td><\/tr><tr><td>\u0110\u1ea0I H\u1eccC<\/td><td>1.2842<\/td><\/tr><tr><td>BS 4659<\/td><td>BO2<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p O2<\/h2><p>Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2 mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng m\u1ea1nh m\u1ebd v\u1ec1 \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 d\u1ebbo dai. H\u00e0m l\u01b0\u1ee3ng carbon cao gi\u00fap gi\u1eef c\u1ea1nh, trong khi crom v\u00e0 mangan c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng.&nbsp;<\/p><p>Sau \u0111\u00e2y l\u00e0 c\u00e1i nh\u00ecn nhanh v\u1ec1 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>0.85 &#8211; 0.95 %<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>\u2264 0,35 %<\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>96 %<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>1.6 %<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>\u2264 0,30 %<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u2264 0,030 %<\/td><\/tr><tr><td>Silic (Si)<\/td><td>\u2264 0,50 %<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,030 %<\/td><\/tr><tr><td>Vanadi (V)<\/td><td>\u2264 0,30 %<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p O2<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 O2 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 c\u1ee9ng cao, \u0111\u1ed9 b\u1ec1n k\u00e9o tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng. N\u00f3 c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp r\u1eafn, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u b\u1ec1n b\u1ec9 d\u01b0\u1edbi \u1ee9ng su\u1ea5t. SteelPro Group \u0111\u1ea3m b\u1ea3o m\u1ed7i l\u00f4 th\u00e9p O2 \u0111\u01b0\u1ee3c x\u1eed l\u00fd c\u1ea9n th\u1eadn \u0111\u1ec3 duy tr\u00ec c\u00e1c \u0111\u1eb7c t\u00ednh n\u00e0y, cung c\u1ea5p v\u1eadt li\u1ec7u ho\u1ea1t \u0111\u1ed9ng nh\u1ea5t qu\u00e1n trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p><p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc ch\u00ednh c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (SI)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (Anh)<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng, Knoop<\/td><td>624<\/td><td>624<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng, Rockwell C<\/td><td>55<\/td><td>55<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng, Vickers<\/td><td>602<\/td><td>602<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o, T\u1ed1i \u0111a<\/td><td>1930MPa<\/td><td>280.000 psi<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o, \u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>1750MPa<\/td><td>254.000 psi<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t<\/td><td>0.00 %<\/td><td>0.00 %<\/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>Izod Impact kh\u00f4ng c\u00f3 kh\u00eda<\/td><td>105 J<\/td><td>77,4 ft-lb<\/td><\/tr><\/tbody><\/table><\/figure><ul class=\"wp-block-list\"><li><em>\u0110\u1ed9 c\u1ee9ng, Knoop \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i t\u1eeb \u0111\u1ed9 c\u1ee9ng Rockwell C.<\/em><\/li><\/ul><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 O2 c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y cao v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t t\u1ed1t, r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao. H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t v\u1eeba ph\u1ea3i gi\u00fap duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t v\u00e0 l\u00e0m m\u00e1t, gi\u1ea3m kh\u1ea3 n\u0103ng bi\u1ebfn d\u1ea1ng.&nbsp;<\/p><p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau b\u1eadt c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd ch\u00ednh c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (SI)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (Anh)<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,85g\/cm\u00b3<\/td><td>0,284 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1425 \u00b0C<\/td><td>2597 \u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (20-100\u00b0C)<\/td><td>11,6 \u00b5m\/m\u00b0C<\/td><td>6,44 \u00b5in\/in\u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang<\/td><td>460 J\/kg\u00b7K<\/td><td>0,110 BTU\/lb\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>30 W\/m\u00b7K<\/td><td>17,3 BTU\u00b7in\/h\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110i\u1ec7n tr\u1edf su\u1ea5t<\/td><td>0,68 \u00b5\u03a9\u00b7cm<\/td><td>0,68 \u00b5\u03a9\u00b7cm<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Ch\u1ebf t\u1ea1o v\u00e0 x\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 O2<\/h2><h3 class=\"wp-block-heading\">R\u00e8n<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 O2 \u0111\u01b0\u1ee3c nung n\u00f3ng \u1edf nhi\u1ec7t \u0111\u1ed9 gi\u1eefa <strong>1000\u00b0C v\u00e0 1100\u00b0C (1832\u00b0F \u0111\u1ebfn 2012\u00b0F)<\/strong>. N\u1ebfu th\u00e9p b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c gia c\u00f4ng nhi\u1ec1u, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i nung l\u1ea1i trong <strong>850\u00b0C \u0111\u1ebfn 1050\u00b0C<\/strong> ph\u1ea1m vi \u0111\u1ec3 kh\u00f4i ph\u1ee5c kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3.<\/p><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>O2 \u0111\u01b0\u1ee3c \u0111un n\u00f3ng \u0111\u1ebfn <strong>800\u00b0C \u0111\u1ebfn 850\u00b0C (1472\u00b0F \u0111\u1ebfn 1562\u00b0F)<\/strong>, sau \u0111\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i ch\u1eadm trong l\u00f2. N\u1ebfu th\u00e9p c\u1ea7n \u0111\u01b0\u1ee3c gia c\u00f4ng ho\u1eb7c ch\u1ebf t\u1ea1o th\u00eam, c\u00f3 th\u1ec3 c\u1ea7n \u1ee7 l\u1ea7n th\u1ee9 hai \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t t\u1eeb qu\u00e1 tr\u00ecnh x\u1eed l\u00fd tr\u01b0\u1edbc \u0111\u00f3.&nbsp;<\/p><p>Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong, tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng. Sau khi \u1ee7, \u0111\u1ed9 c\u1ee9ng th\u01b0\u1eddng gi\u1ea3m xu\u1ed1ng c\u00f2n kho\u1ea3ng <strong>220-250 HB<\/strong>. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft \u0111\u01b0\u1ee3c gia c\u00f4ng ho\u00e0n to\u00e0n t\u1eeb O2, vi\u1ec7c l\u1ea5p \u0111\u1ea7y khoang trong qu\u00e1 tr\u00ecnh \u1ee7 s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 d\u1ee5ng c\u1ee5.<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 O2 \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn <strong>780\u00b0C \u0111\u1ebfn 850\u00b0C (1436\u00b0F \u0111\u1ebfn 1562\u00b0F) <\/strong>sau \u0111\u00f3 nhanh ch\u00f3ng l\u00e0m ngu\u1ed9i trong d\u1ea7u \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng. \u0110\u1ed1i v\u1edbi m\u1ecdi <strong>\u0110\u1ed9 d\u00e0y 25 mm (1 in)<\/strong>, v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00f4ng c\u1ee9ng trong \u00edt nh\u1ea5t <strong>30 ph\u00fat<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed3ng \u0111\u1ec1u.<\/p><p>L\u00e0m n\u00f3ng tr\u01b0\u1edbc <strong>300\u00b0C \u0111\u1ebfn 500\u00b0C (572\u00b0F \u0111\u1ebfn 932\u00b0F)<\/strong> c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft cho c\u00e1c ph\u1ea7n d\u00e0y h\u01a1n.<\/p><h3 class=\"wp-block-heading\">\u1ee6 chua<\/h3><p>\u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c l\u00e0m ngu\u1ed9i th\u00e9p trong m\u00f4i tr\u01b0\u1eddng nh\u01b0 d\u1ea7u ho\u1eb7c mu\u1ed1i n\u00f3ng ch\u1ea3y \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a martensite. Sau \u0111\u00f3 l\u00e0m ngu\u1ed9i teel.<\/p><p>Martempering \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 ng\u0103n ng\u1eeba n\u1ee9t \u1edf c\u00e1c ph\u1ea7n d\u00e0y h\u01a1n c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2. N\u00f3 v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng cao.<\/p><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>\u0110\u1ed1i v\u1edbi th\u00e9p c\u00f4ng c\u1ee5 O2, qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb <strong>150\u00b0C \u0111\u1ebfn 500\u00b0C (302\u00b0F \u0111\u1ebfn 932\u00b0F)<\/strong>. Th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 t\u00f4i luy\u1ec7n trong \u00edt nh\u1ea5t <strong>m\u1ed9t gi\u1edd cho m\u1ed7i inch \u0111\u1ed9 d\u00e0y<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t.&nbsp;<\/p><p>Qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 dai sau khi t\u00f4i ho\u1eb7c t\u00f4i luy\u1ec7n.<\/p><p><strong><em>T\u1eadp \u0111o\u00e0n SteelPro<\/em><\/strong><em> c\u00f3 th\u1ec3 cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 O2 \u1edf nhi\u1ec1u ti\u1ec3u bang kh\u00e1c nhau \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i cung c\u1ea5p n\u00f3 \u1edf <\/em><strong><em>c\u00f3 th\u1ec3 gia c\u00f4ng (\u1ee7)<\/em><\/strong><em> tr\u1ea1ng th\u00e1i, gi\u00fap d\u1ec5 d\u00e0ng l\u00e0m vi\u1ec7c h\u01a1n, c\u0169ng nh\u01b0 trong <\/em><strong><em>\u0111\u00e3 d\u1eadp t\u1eaft<\/em><\/strong><em> V\u00e0 <\/em><strong><em>\u0111\u01b0\u1ee3c t\u00f4i luy\u1ec7n<\/em><\/strong><em> tr\u1ea1ng th\u00e1i l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh cao h\u01a1n.&nbsp;<\/em><\/p><h2 class=\"wp-block-heading\">C\u00e1c d\u1ea1ng s\u1ea3n ph\u1ea9m c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2<\/h2><p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n cho c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 O2 m\u00e0 SteelPro Group cung c\u1ea5p.&nbsp;<\/p><p>Ch\u00fang t\u00f4i cung c\u1ea5p nhi\u1ec1u lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 O2 v\u1edbi nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch c\u1ee1 kh\u00e1c nhau \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. N\u1ebfu b\u1ea1n y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh ngo\u00e0i ph\u1ea1m vi th\u00f4ng th\u01b0\u1eddng, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n!<\/p><h3 class=\"wp-block-heading\">Thanh tr\u00f2n<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u01b0\u1eddng k\u00ednh<\/strong>: 10 mm \u0111\u1ebfn 300 mm (0,4 inch \u0111\u1ebfn 12 inch)<\/li>\n\n<li><strong>Chi\u1ec1u d\u00e0i<\/strong>: 1000 mm \u0111\u1ebfn 4000 mm (39 inch \u0111\u1ebfn 157 inch)<\/li><\/ul><h3 class=\"wp-block-heading\">Thanh ph\u1eb3ng<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: 5 mm \u0111\u1ebfn 100 mm (0,2 inch \u0111\u1ebfn 4 inch)<\/li>\n\n<li><strong>Chi\u1ec1u r\u1ed9ng<\/strong>: 50 mm \u0111\u1ebfn 400 mm (2 inch \u0111\u1ebfn 16 inch)<\/li>\n\n<li><strong>Chi\u1ec1u d\u00e0i<\/strong>: 1000 mm \u0111\u1ebfn 4000 mm (39 inch \u0111\u1ebfn 157 inch)<\/li><\/ul><h3 class=\"wp-block-heading\">\u0110\u0129a<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: 10 mm \u0111\u1ebfn 100 mm (0,4 inch \u0111\u1ebfn 4 inch)<\/li>\n\n<li><strong>Chi\u1ec1u r\u1ed9ng<\/strong>: 200 mm \u0111\u1ebfn 800 mm (8 inch \u0111\u1ebfn 32 inch)<\/li>\n\n<li><strong>Chi\u1ec1u d\u00e0i<\/strong>: 1000 mm \u0111\u1ebfn 4000 mm (39 inch \u0111\u1ebfn 157 inch)<\/li><\/ul><h3 class=\"wp-block-heading\">Thanh<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u01b0\u1eddng k\u00ednh<\/strong>: 5 mm \u0111\u1ebfn 50 mm (0,2 inch \u0111\u1ebfn 2 inch)<\/li>\n\n<li><strong>Chi\u1ec1u d\u00e0i<\/strong>: 500 mm \u0111\u1ebfn 2000 mm (20 inch \u0111\u1ebfn 79 inch)<\/li><\/ul><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 O2 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi d\u1ee5ng c\u1ee5 ph\u1ea3i b\u1ec1n, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc. Th\u00e9p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O2.<\/p><h3 class=\"wp-block-heading\">D\u1ee5ng c\u1ee5 c\u1eaft<\/h3><p>O2 r\u1ea5t t\u1ed1t \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft nh\u01b0 <strong>l\u01b0\u1ee1i dao, m\u00e1y khoan v\u00e0 m\u00e1y doa<\/strong>\u0110\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 gi\u00fap nh\u1eefng d\u1ee5ng c\u1ee5 n\u00e0y lu\u00f4n s\u1eafc b\u00e9n v\u00e0 b\u1ec1n h\u01a1n, ngay c\u1ea3 khi s\u1eed d\u1ee5ng nhi\u1ec1u.<\/p><h3 class=\"wp-block-heading\">L\u01b0\u1ee1i dao v\u00e0 k\u00e9o<\/h3><p><strong>L\u01b0\u1ee1i dao v\u00e0 k\u00e9o<\/strong> \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p c\u00f4ng c\u1ee5 O2 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng gi\u1eef l\u01b0\u1ee1i t\u1ed1t, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng \u0111\u1ec3 c\u1eaft qua c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng h\u01a1n m\u00e0 kh\u00f4ng b\u1ecb m\u00f2n nhanh.<\/p><h3 class=\"wp-block-heading\">C\u01b0a v\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft<\/h3><p>O2 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <strong>c\u01b0a v\u00e0 d\u1ee5ng c\u1ee5 c\u1eaft<\/strong>Kh\u1ea3 n\u0103ng duy tr\u00ec s\u1ee9c m\u1ea1nh v\u00e0 hi\u1ec7u su\u1ea5t d\u01b0\u1edbi \u00e1p l\u1ef1c c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 l\u00e2u h\u01a1n, ngay c\u1ea3 trong nh\u1eefng t\u00ecnh hu\u1ed1ng c\u00f3 nhu c\u1ea7u cao.<\/p><h3 class=\"wp-block-heading\">Khu\u00f4n d\u1eadp v\u00e0 khu\u00f4n \u0111\u1ed9t ngu\u1ed9i<\/h3><p>Do kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a n\u00f3, O2 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho <strong>ch\u1ebft, \u0111\u1ea5m<\/strong>, V\u00e0 <strong>d\u1ee5ng c\u1ee5 d\u1eadp<\/strong> ph\u1ea3i ch\u1ecbu t\u00e1c \u0111\u1ed9ng v\u00e0 ma s\u00e1t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i trong qu\u00e1 tr\u00ecnh \u0111\u1ecbnh h\u00ecnh kim lo\u1ea1i.<\/p><ul class=\"wp-block-list\"><li>O2 c\u00f3 ph\u1ea3i l\u00e0 th\u00e9p t\u1ed1t \u0111\u1ec3 l\u00e0m dao kh\u00f4ng?<\/li><\/ul><p>V\u00e2ng, th\u00e9p c\u00f4ng c\u1ee5 O2 r\u1ea5t tuy\u1ec7t v\u1eddi cho dao. N\u00f3 cung c\u1ea5p <strong>\u0111\u1ed9 c\u1ee9ng<\/strong> V\u00e0 <strong>gi\u1eef c\u1ea1nh<\/strong> (55-60 HRC sau khi x\u1eed l\u00fd nhi\u1ec7t), l\u00fd t\u01b0\u1edfng cho c\u00e1c l\u01b0\u1ee1i dao b\u1ec1n, s\u1eafc. M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i th\u00e9p kh\u00f4ng g\u1ec9, nh\u01b0ng n\u00f3 r\u1ea5t c\u1ee9ng v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ed1t khi s\u1eed d\u1ee5ng nhi\u1ec1u, mi\u1ec5n l\u00e0 \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c \u0111\u00fang c\u00e1ch.<\/p><h2 class=\"wp-block-heading\">Ngu\u1ed3n \u0111\u00e1ng tin c\u1eady c\u1ee7a b\u1ea1n cho th\u00e9p c\u00f4ng c\u1ee5 O2<\/h2><p>T\u1ea1i <strong>T\u1eadp \u0111o\u00e0n SteelPro<\/strong>, ch\u00fang t\u00f4i bi\u1ebft r\u1eb1ng v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 t\u1ea1o n\u00ean ho\u1eb7c ph\u00e1 v\u1ee1 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 O2 \u1edf nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m <strong>thanh tr\u00f2n<\/strong>, <strong>thanh ph\u1eb3ng<\/strong>, V\u00e0 <strong>t\u1ea5m<\/strong>, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 s\u1ea3n xu\u1ea5t, \u00f4 t\u00f4 v\u00e0 d\u1ee5ng c\u1ee5. N\u1ebfu b\u1ea1n y\u00eau c\u1ea7u v\u1eadt li\u1ec7u b\u1ec1n h\u01a1n, ch\u00fang t\u00f4i c\u0169ng c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/cr12mov\/\">th\u00e9p c\u00f4ng c\u1ee5 l\u00e0m vi\u1ec7c ngu\u1ed9i<\/a>.<\/p><p>V\u1edbi <strong>giao h\u00e0ng nhanh ch\u00f3ng, \u0111\u1eb7t h\u00e0ng linh ho\u1ea1t,<\/strong> V\u00e0 <strong>d\u1ecbch v\u1ee5 c\u00e1 nh\u00e2n h\u00f3a<\/strong>, ch\u00fang t\u00f4i cam k\u1ebft h\u1ed7 tr\u1ee3 b\u1ea1n trong t\u1eebng b\u01b0\u1edbc. Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 l\u00e0 nh\u00e0 cung c\u1ea5p; ch\u00fang t\u00f4i l\u00e0 \u0111\u1ed1i t\u00e1c c\u1ee7a b\u1ea1n trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 m\u00e1y m\u00f3c c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t.&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p c\u00f4ng c\u1ee5 O2 l\u00e0 v\u1eadt li\u1ec7u \u0111\u00e1ng tin c\u1eady cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n cao v\u00e0 hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i. T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i [\u2026]<\/p>","protected":false},"author":12,"featured_media":19813,"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-19816","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\/19816","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=19816"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19816\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/19813"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=19816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=19816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=19816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}