{"id":10710,"date":"2024-09-27T06:02:00","date_gmt":"2024-09-26T22:02:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=10710"},"modified":"2024-11-20T18:09:02","modified_gmt":"2024-11-20T10:09:02","slug":"high-carbon","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/high-carbon\/","title":{"rendered":"Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao | \u0110\u1ecbnh ngh\u0129a, t\u00ednh n\u0103ng, \u1ee9ng d\u1ee5ng, c\u1ea5p \u0111\u1ed9 v\u00e0 so s\u00e1nh"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao l\u00e0 v\u1eadt li\u1ec7u h\u1ee3p kim k\u1ebft h\u1ee3p c\u00e1c \u01b0u \u0111i\u1ec3m c\u1ee7a th\u00e9p cacbon v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, c\u00f3 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 s\u1eafc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd kh\u00e1m ph\u00e1 \u0111\u1ecbnh ngh\u0129a, \u0111\u1eb7c \u0111i\u1ec3m, \u1ee9ng d\u1ee5ng, ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o d\u01b0\u1ee1ng, c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao ph\u1ed5 bi\u1ebfn v\u00e0 so s\u00e1nh chi ti\u1ebft v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c \u0111\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 v\u1eadt li\u1ec7u n\u00e0y.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon t\u01b0\u01a1ng \u0111\u1ed1i cao, th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ti\u00eau chu\u1ea9n m\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng tu\u00e2n theo (t\u1ee9c l\u00e0 h\u00e0m l\u01b0\u1ee3ng cacbon c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 n\u00f3i chung \u0111\u01b0\u1ee3c duy tr\u00ec trong kho\u1ea3ng t\u1eeb 0,1% \u0111\u1ebfn 0,4%). Ch\u00fang th\u01b0\u1eddng th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac martensitic, \u0111\u00f3 l\u00e0 do th\u00e9p kh\u00f4ng g\u1ec9 martensitic c\u00f3 th\u1ec3 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng cacbon cao h\u01a1n.<\/p><h2 class=\"wp-block-heading\">\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao<\/h2><h3 class=\"wp-block-heading\">Thu\u1eadn l\u1ee3i<\/h3><p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 s\u1eafc b\u00e9n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi:<\/strong> H\u00e0m l\u01b0\u1ee3ng cacbon cao c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao cho ph\u00e9p n\u00f3 duy tr\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n c\u1ef1c cao sau khi m\u00e0i m\u1ecbn, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i d\u1ee5ng c\u1ee5 \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u1eaft ch\u00ednh x\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 dao nh\u00e0 b\u1ebfp, d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00e0 thi\u1ebft b\u1ecb c\u1eaft c\u00f4ng nghi\u1ec7p. Ngo\u00e0i ra, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao cho ph\u00e9p th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao v\u1eabn s\u1eafc b\u00e9n sau th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng, gi\u1ea3m nhu c\u1ea7u m\u00e0i th\u01b0\u1eddng xuy\u00ean.<\/p><p class=\"wp-block-paragraph\"><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t:<\/strong> M\u1eb7c d\u00f9 th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao kh\u00f4ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t nh\u01b0 m\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 cacbon th\u1ea5p, nh\u01b0ng n\u00f3 v\u1eabn c\u00f3 th\u1ec3 duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt v\u00e0 \u0103n m\u00f2n b\u1eb1ng c\u00e1ch b\u1ed5 sung c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 crom v\u00e0 molypden. \u0110i\u1ec1u n\u00e0y l\u00e0m cho th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao kh\u00f4ng ch\u1ec9 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong nh\u00e0 m\u00e0 c\u00f2n ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi ho\u1eb7c m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/p><p class=\"wp-block-paragraph\"><strong>Ph\u1ea1m vi \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i:<\/strong> Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau do c\u00f3 \u0111\u1ed9 c\u1ee9ng cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. Cho d\u00f9 l\u00e0 dao nh\u00e0 b\u1ebfp h\u00e0ng ng\u00e0y, d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt chuy\u00ean nghi\u1ec7p hay thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p c\u00f3 \u0111\u1ed9 b\u1ec1n cao, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao \u0111\u1ec1u c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi.<\/p><h3 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h3><p class=\"wp-block-paragraph\"><strong>Y\u00eau c\u1ea7u b\u1ea3o tr\u00ec cao: <\/strong>M\u1eb7c d\u00f9 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao v\u1eabn d\u1ec5 b\u1ecb r\u1ec9 s\u00e9t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. Do \u0111\u00f3, c\u1ea7n ph\u1ea3i v\u1ec7 sinh v\u00e0 s\u1ea5y kh\u00f4 ngay sau khi s\u1eed d\u1ee5ng, v\u00e0 n\u1ebfu c\u1ea7n, n\u00ean b\u00f4i d\u1ea7u ch\u1ed1ng g\u1ec9 \u0111\u1ec3 ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a b\u1ec1 m\u1eb7t. Y\u00eau c\u1ea7u b\u1ea3o d\u01b0\u1ee1ng cao n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i ch\u00fa \u00fd v\u00e0 d\u00e0nh nhi\u1ec1u th\u1eddi gian h\u01a1n trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p><p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 gi\u00f2n v\u00e0 \u0111\u1ed9 d\u1ebbo dai th\u1ea5p:<\/strong> M\u1eb7c d\u00f9 h\u00e0m l\u01b0\u1ee3ng cacbon cao l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p, nh\u01b0ng n\u00f3 c\u0169ng l\u00e0m cho th\u00e9p d\u1ec5 v\u1ee1 h\u01a1n, \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb g\u00e3y ho\u1eb7c s\u1ee9t m\u1ebb trong m\u00f4i tr\u01b0\u1eddng ch\u1ecbu \u1ee9ng su\u1ea5t cao. \u0110\u1eb7c \u0111i\u1ec3m n\u00e0y h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n cao, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 c\u00f4ng nghi\u1ec7p ch\u1ecbu va \u0111\u1eadp m\u1ea1nh ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed.<\/p><p class=\"wp-block-paragraph\"><strong>Kh\u00f3 \u0111\u00e1nh b\u00f3ng:<\/strong> Do th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, khi c\u1ea7n m\u00e0i l\u1ea1i th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi nhi\u1ec1u th\u1eddi gian v\u00e0 k\u1ef9 n\u0103ng h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng. \u0110\u1eb7c bi\u1ec7t l\u00e0 khi s\u1eeda ch\u1eefa c\u1ea1nh ho\u1eb7c th\u1ef1c hi\u1ec7n gia c\u00f4ng ch\u00ednh x\u00e1c, y\u00eau c\u1ea7u v\u1ec1 c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt v\u1eadn h\u00e0nh cao, khi\u1ebfn qu\u00e1 tr\u00ecnh m\u00e0i tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n.<\/p><h2 class=\"wp-block-heading\">C\u00f4ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao<\/h2><p class=\"wp-block-paragraph\">Do t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao \u0111i\u1ec3n h\u00ecnh.<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp v\u00e0 dao<\/h3><p class=\"wp-block-paragraph\">Trong s\u1ed1 c\u00e1c lo\u1ea1i dao nh\u00e0 b\u1ebfp, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi. Cho d\u00f9 l\u00e0 dao th\u00e1i, dao r\u1ef1a hay dao b\u0103m, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 th\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m c\u1eaft ch\u00ednh x\u00e1c \u0111\u1ed3ng th\u1eddi gi\u1ea3m nhu c\u1ea7u m\u00e0i th\u01b0\u1eddng xuy\u00ean. Ngo\u00e0i ra, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c d\u1ee5ng c\u1ee5 kh\u00e1c trong nh\u00e0 b\u1ebfp, ch\u1eb3ng h\u1ea1n nh\u01b0 dao g\u1ecdt, k\u00e9o nh\u00e0 b\u1ebfp, v.v.<\/p><h3 class=\"wp-block-heading\">D\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt<\/h3><p class=\"wp-block-paragraph\">D\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt \u0111\u1eb7t ra y\u00eau c\u1ea7u c\u1ef1c k\u1ef3 nghi\u00eam ng\u1eb7t \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u v\u1eeba s\u1eafc b\u00e9n v\u1eeba ch\u1ed1ng \u0103n m\u00f2n. Th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng carbon cao kh\u00f4ng ch\u1ec9 cung c\u1ea5p hi\u1ec7u su\u1ea5t c\u1eaft ch\u00ednh x\u00e1c th\u00f4ng qua quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t \u0111\u1eb7c bi\u1ec7t m\u00e0 c\u00f2n duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n v\u00e0 kh\u1eed tr\u00f9ng. Do \u0111\u00f3, n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t dao m\u1ed5, k\u00ecm, k\u00e9o v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 y t\u1ebf c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao kh\u00e1c.<\/p><h3 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb v\u00e0 ph\u1ee5 t\u00f9ng c\u00f4ng nghi\u1ec7p<\/h3><p class=\"wp-block-paragraph\">Trong l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb ch\u1ecbu t\u1ea3i tr\u1ecdng cao v\u00e0 ch\u1ecbu m\u00e0i m\u00f2n cao. V\u00ed d\u1ee5, c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh nh\u01b0 tr\u1ee5c b\u01a1m, van v\u00e0 b\u00e1nh r\u0103ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb v\u1eabn c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i trong \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t. Ngo\u00e0i ra, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c khai th\u00e1c m\u1ecf v\u00e0 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng, c\u00f3 th\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c ch\u1ecbu t\u00e1c \u0111\u1ed9ng cao v\u00e0 ch\u1ecbu m\u00e0i m\u00f2n cao.<\/p><h3 class=\"wp-block-heading\">L\u0129nh v\u1ef1c \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/h3><p class=\"wp-block-paragraph\">Trong l\u0129nh v\u1ef1c \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng carbon cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh nh\u01b0 l\u00f2 xo, ch\u1ed1t v\u00e0 gi\u00e1 \u0111\u1ee1 k\u1ebft c\u1ea5u do \u0111\u1eb7c t\u00ednh nh\u1eb9 v\u00e0 \u0111\u1ed9 b\u1ec1n cao c\u1ee7a n\u00f3. C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y c\u1ea7n ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng \u1ee9ng su\u1ea5t cao v\u00e0 rung \u0111\u1ed9ng cao, v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng carbon cao c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a ch\u00fang.<\/p><h3 class=\"wp-block-heading\">Dao v\u00e0 v\u0169 kh\u00ed<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t dao v\u00e0 v\u0169 kh\u00ed v\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3. \u0110\u1eb7c bi\u1ec7t trong s\u1ea3n xu\u1ea5t dao \u0111\u00f2i h\u1ecfi \u0111\u1ed9 s\u1eafc b\u00e9n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ef1c cao, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m kh\u00f4ng th\u1ec3 thay th\u1ebf.<\/p><h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao ph\u1ed5 bi\u1ebfn<\/h2><p class=\"wp-block-paragraph\">Trong n\u0103m lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ch\u00ednh, m\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 martensitic c\u00f3 \u0111\u1ed9 c\u1ee9ng cao v\u00e0 h\u00e0m l\u01b0\u1ee3ng carbon cao. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao ph\u1ed5 bi\u1ebfn:<\/p><h3 class=\"wp-block-heading\">420<\/h3><p class=\"wp-block-paragraph\">H\u00e0m l\u01b0\u1ee3ng cacbon c\u1ee7a <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-420\/\">th\u00e9p kh\u00f4ng g\u1ec9 420<\/a> th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,15% \u0111\u1ebfn 0,40%. \u0110\u00e2y l\u00e0 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 martensitic th\u00f4ng d\u1ee5ng c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 l\u00e0m dao, k\u00e9o, d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt, v.v.<\/p><h3 class=\"wp-block-heading\">420HC<\/h3><p class=\"wp-block-paragraph\">420HC l\u00e0 phi\u00ean b\u1ea3n c\u1ea3i ti\u1ebfn c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 420 v\u1edbi h\u00e0m l\u01b0\u1ee3ng carbon cao h\u01a1n, th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,4% \u0111\u1ebfn 0,5%. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t dao v\u00ec c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t trong khi v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t.<\/p><h3 class=\"wp-block-heading\">440A<\/h3><p class=\"wp-block-paragraph\">H\u00e0m l\u01b0\u1ee3ng cacbon n\u1eb1m trong kho\u1ea3ng 0,60% \u0111\u1ebfn 0,75%, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng t\u1ed1t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o dao v\u00e0 \u1ed5 tr\u1ee5c c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao.<\/p><h3 class=\"wp-block-heading\">440B<\/h3><p class=\"wp-block-paragraph\">H\u00e0m l\u01b0\u1ee3ng carbon n\u1eb1m trong kho\u1ea3ng 0,75% \u0111\u1ebfn 0,95%, hi\u1ec7u su\u1ea5t n\u1eb1m trong kho\u1ea3ng 440A \u0111\u1ebfn 440C, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5 \u0111\u00f2i h\u1ecfi \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n.<\/p><h3 class=\"wp-block-heading\">440C<\/h3><p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t, v\u1edbi h\u00e0m l\u01b0\u1ee3ng cacbon kho\u1ea3ng 0,95% \u0111\u1ebfn 1,20%. Th\u00e9p 440C \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 ch\u1ebf t\u1ea1o dao, \u1ed5 tr\u1ee5c v\u00e0 d\u1ee5ng c\u1ee5 ch\u1ed1ng m\u00e0i m\u00f2n cao c\u1ea5p do c\u00f3 \u0111\u1ed9 c\u1ee9ng c\u1ef1c cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi. Th\u00e9p n\u00e0y c\u0169ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c \u0103n m\u00f2n.<\/p><h3 class=\"wp-block-heading\">154CM<\/h3><p class=\"wp-block-paragraph\">154CM l\u00e0 th\u00e9p bi\u1ebfn t\u00ednh molypden cao c\u1ea5p 440C v\u1edbi h\u00e0m l\u01b0\u1ee3ng cacbon kho\u1ea3ng 1,05%. Lo\u1ea1i th\u00e9p n\u00e0y kh\u00f4ng ch\u1ec9 t\u0103ng \u0111\u1ed9 c\u1ee9ng m\u00e0 c\u00f2n t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e2n s\u1ef1, ngo\u00e0i tr\u1eddi v\u00e0 c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p \u0111\u1ec3 s\u1ea3n xu\u1ea5t dao, d\u1ee5ng c\u1ee5 v\u00e0 b\u1ed9 ph\u1eadn cao c\u1ea5p \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao.<\/p><h3 class=\"wp-block-heading\">M390<\/h3><p class=\"wp-block-paragraph\">M390 l\u00e0 th\u00e9p crom martensitic \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00f4ng ngh\u1ec7 luy\u1ec7n kim b\u1ed9t v\u1edbi h\u00e0m l\u01b0\u1ee3ng cacbon x\u1ea5p x\u1ec9 1,9% v\u00e0 t\u1ef7 l\u1ec7 crom, vanadi v\u00e0 molypden cao. \u0110\u01b0\u1ee3c coi l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i th\u00e9p l\u00e0m dao t\u1ed1t nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay, lo\u1ea1i th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 c\u1ee9ng c\u1ef1c cao, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef c\u1ea1nh, v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m dao ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 c\u00f4ng nghi\u1ec7p cao c\u1ea5p.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao so v\u1edbi th\u00e9p cacbon cao<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao v\u00e0 th\u00e9p cacbon cao c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 th\u00e0nh ph\u1ea7n v\u00e0 hi\u1ec7u su\u1ea5t, khi\u1ebfn ch\u00fang c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m kh\u00e1c nhau trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u1ea3i thi\u1ec7n <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/corrosion-resistant\/\">kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/a> b\u1eb1ng c\u00e1ch th\u00eam crom, trong khi th\u00e9p cacbon cao d\u1ec5 b\u1ecb r\u1ec9 s\u00e9t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt do thi\u1ebfu c\u00e1c nguy\u00ean t\u1ed1 ch\u1ed1ng oxy h\u00f3a \u0111\u1ea7y \u0111\u1ee7. Do \u0111\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f3 t\u00ednh \u0103n m\u00f2n cao, trong khi th\u00e9p cacbon cao \u0111\u00f2i h\u1ecfi nhi\u1ec1u s\u1ef1 ch\u0103m s\u00f3c v\u00e0 b\u1ea3o d\u01b0\u1ee1ng h\u01a1n.<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 dai<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p cacbon cao th\u01b0\u1eddng c\u1ee9ng h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 sau khi x\u1eed l\u00fd nhi\u1ec7t th\u00edch h\u1ee3p, \u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p cacbon cao c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c r\u1ea5t cao. Tuy nhi\u00ean, \u0111\u1ed9 c\u1ee9ng cao h\u01a1n c\u0169ng l\u00e0m cho th\u00e9p cacbon cao gi\u00f2n h\u01a1n v\u00e0 d\u1ec5 g\u00e3y trong m\u00f4i tr\u01b0\u1eddng \u1ee9ng su\u1ea5t cao. Ng\u01b0\u1ee3c l\u1ea1i, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1ebbo dai t\u1ed1t h\u01a1n v\u00e0 gi\u1ea3m nguy c\u01a1 g\u00e3y trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 c\u1ee9ng cao h\u01a1n <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/hardness\/\">\u0111\u1ed9 c\u1ee9ng<\/a> th\u00f4ng qua thi\u1ebft k\u1ebf h\u1ee3p kim v\u00e0 x\u1eed l\u00fd nhi\u1ec7t ph\u00f9 h\u1ee3p.<\/p><h3 class=\"wp-block-heading\">Tr\u1ecb gi\u00e1<\/h3><p class=\"wp-block-paragraph\">Chi ph\u00ed s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao th\u01b0\u1eddng cao h\u01a1n th\u00e9p cacbon cao v\u00ec gi\u00e1 c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 crom v\u00e0 niken c\u00f3 trong th\u00e9p kh\u00f4ng g\u1ec9 cao h\u01a1n. Ngo\u00e0i ra, qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u00e0 x\u1eed l\u00fd nhi\u1ec7t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u0169ng ph\u1ee9c t\u1ea1p h\u01a1n. Tuy nhi\u00ean, do tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng d\u00e0i h\u01a1n v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m h\u01a1n th\u00e9p cacbon cao trong nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/p><h3 class=\"wp-block-heading\">C\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p cacbon cao th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m dao, khu\u00f4n v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 kh\u00e1c \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n cao do \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ef1c cao. Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp, d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt, thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c d\u1ecbp kh\u00e1c \u0111\u00f2i h\u1ecfi c\u1ea3 \u0111\u1ed9 s\u1eafc b\u00e9n v\u00e0 \u0111\u1ed9 b\u1ec1n do kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi v\u00e0 hi\u1ec7u su\u1ea5t to\u00e0n di\u1ec7n t\u1ed1t.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 th\u00e0nh ph\u1ea7n v\u00e0 hi\u1ec7u su\u1ea5t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng khi\u1ebfn ch\u00fang c\u00f3 hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng kh\u00e1c nhau.&nbsp;<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 s\u1eafc n\u00e9t<\/h3><p class=\"wp-block-paragraph\">Do h\u00e0m l\u01b0\u1ee3ng carbon cao, dao th\u00e9p kh\u00f4ng g\u1ec9 carbon cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00e0i s\u1eafc \u0111\u1ebfn m\u1ed9t c\u1ea1nh r\u1ea5t s\u1eafc v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c nhi\u1ec7m v\u1ee5 c\u1eaft tinh x\u1ea3o. \u0110i\u1ec1u n\u00e0y l\u00e0m cho dao th\u00e9p kh\u00f4ng g\u1ec9 carbon cao ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ef1c cao, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1ee5ng c\u1ee5 nh\u00e0 b\u1ebfp v\u00e0 ph\u1eabu thu\u1eadt. M\u1eb7c d\u00f9 dao th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng c\u0169ng c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 s\u1eafc t\u1ed1t, nh\u01b0ng ch\u00fang th\u01b0\u1eddng c\u1ea7n \u0111\u01b0\u1ee3c m\u00e0i th\u01b0\u1eddng xuy\u00ean h\u01a1n sau th\u1eddi gian s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n<\/h3><p class=\"wp-block-paragraph\">Do \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 th\u1ec3 duy tr\u00ec t\u00ecnh tr\u1ea1ng c\u1ea1nh t\u1ed1t trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng l\u00e2u d\u00e0i, gi\u1ea3m t\u1ea7n su\u1ea5t m\u00e0i m\u00f2n v\u00e0 m\u00e0i. Ng\u01b0\u1ee3c l\u1ea1i, th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng d\u1ec5 gia c\u00f4ng v\u00e0 b\u1ea3o tr\u00ec h\u01a1n do h\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p h\u01a1n, nh\u01b0ng \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng t\u1ed1t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao khi s\u1eed d\u1ee5ng c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p><h3 class=\"wp-block-heading\">B\u1ea3o tr\u00ec d\u1ec5 d\u00e0ng<\/h3><p class=\"wp-block-paragraph\">Dao th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n v\u00e0 \u00edt b\u1ecb g\u1ec9 h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao do h\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p h\u01a1n v\u00e0 h\u00e0m l\u01b0\u1ee3ng crom cao h\u01a1n. Trong s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y, dao th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng c\u00f3 y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng th\u1ea5p h\u01a1n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng mu\u1ed1n d\u00e0nh qu\u00e1 nhi\u1ec1u th\u1eddi gian cho vi\u1ec7c b\u1ea3o tr\u00ec. Dao th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd nhi\u1ec1u h\u01a1n v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ch\u1ed1ng g\u1ec9 v\u00e0 duy tr\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n.<\/p><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/h3><p class=\"wp-block-paragraph\">Dao th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao h\u01a1n do h\u00e0m l\u01b0\u1ee3ng crom cao h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt v\u00e0 c\u00f3 t\u00ednh axit. M\u1eb7c d\u00f9 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng t\u1ed1t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><h2 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 duy tr\u00ec th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao?<\/h2><p class=\"wp-block-paragraph\">\u0110\u1ec3 duy tr\u00ec th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao, h\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc ch\u00ednh sau:<\/p><ol class=\"wp-block-list\"><li><strong>V\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean<\/strong>: Sau m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng, h\u00e3y r\u1eeda s\u1ea1ch s\u1ea3n ph\u1ea9m b\u1eb1ng n\u01b0\u1edbc x\u00e0 ph\u00f2ng \u1ea5m v\u00e0 v\u1ea3i m\u1ec1m ho\u1eb7c mi\u1ebfng b\u1ecdt bi\u1ec3n. Tr\u00e1nh s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t m\u1ea1nh ho\u1eb7c ch\u1ea5t t\u1ea9y r\u1eeda c\u00f3 t\u00ednh m\u00e0i m\u00f2n c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t.<\/li>\n\n<li><strong>Kh\u00f4 ho\u00e0n to\u00e0n<\/strong>: L\u00e0m kh\u00f4 s\u1ea3n ph\u1ea9m ngay l\u1eadp t\u1ee9c \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ebft n\u01b0\u1edbc v\u00e0 gi\u1ea3m thi\u1ec3u nguy c\u01a1 \u0103n m\u00f2n, v\u00ec h\u00e0m l\u01b0\u1ee3ng carbon cao c\u00f3 th\u1ec3 khi\u1ebfn th\u00e9p d\u1ec5 b\u1ecb g\u1ec9 h\u01a1n.<\/li>\n\n<li><strong>Tr\u00e1nh ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m k\u00e9o d\u00e0i<\/strong>:Kh\u00f4ng \u0111\u1ec3 \u0111\u1ed3 th\u00e9p \u1edf n\u01a1i \u1ea9m \u01b0\u1edbt nh\u01b0 b\u1ed3n r\u1eeda ho\u1eb7c m\u00e1y r\u1eeda ch\u00e9n v\u00ec ti\u1ebfp x\u00fac l\u00e2u v\u1edbi \u0111\u1ed9 \u1ea9m c\u00f3 th\u1ec3 g\u00e2y r\u1ec9 s\u00e9t.<\/li>\n\n<li><strong>Tra d\u1ea7u b\u1ec1 m\u1eb7t<\/strong>:B\u00f4i m\u1ed9t l\u1edbp d\u1ea7u an to\u00e0n th\u1ef1c ph\u1ea9m m\u1ecfng (cho d\u1ee5ng c\u1ee5 nh\u00e0 b\u1ebfp) ho\u1eb7c m\u1ed9t l\u1edbp d\u1ea7u nh\u1eb9 (cho c\u00e1c v\u1eadt d\u1ee5ng kh\u00e1c) \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n\n<li><strong>M\u00e0i v\u00e0 M\u00e0i th\u01b0\u1eddng xuy\u00ean<\/strong>:\u0110\u1ed1i v\u1edbi dao ho\u1eb7c d\u1ee5ng c\u1ee5 c\u1eaft, vi\u1ec7c m\u00e0i v\u00e0 m\u00e0i th\u01b0\u1eddng xuy\u00ean s\u1ebd duy tr\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang.<\/li>\n\n<li><strong>L\u01b0u tr\u1eef \u0111\u00fang c\u00e1ch<\/strong>:B\u1ea3o qu\u1ea3n c\u00e1c v\u1eadt d\u1ee5ng \u1edf n\u01a1i kh\u00f4 r\u00e1o v\u00e0 \u0111\u1ed1i v\u1edbi dao, h\u00e3y s\u1eed d\u1ee5ng h\u1ed9p \u0111\u1ef1ng dao ho\u1eb7c v\u1ecf dao \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u01b0\u1ee1i dao.<\/li><\/ol><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng?<\/h2><p class=\"wp-block-paragraph\">C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao c\u00f3 th\u1ec3 b\u1ecb g\u1ec9, m\u1eb7c d\u00f9 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n th\u00e9p carbon th\u00f4ng th\u01b0\u1eddng. H\u00e0m l\u01b0\u1ee3ng carbon cao c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3 so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n. Tuy nhi\u00ean, h\u00e0m l\u01b0\u1ee3ng crom trong th\u00e9p kh\u00f4ng g\u1ec9 gi\u00fap h\u00ecnh th\u00e0nh l\u1edbp oxit b\u1ea3o v\u1ec7 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh g\u1ec9. N\u1ebfu l\u1edbp b\u1ea3o v\u1ec7 b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c n\u1ebfu th\u00e9p ti\u1ebfp x\u00fac v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc m\u1eb7n ho\u1eb7c axit, n\u00f3 v\u1eabn c\u00f3 th\u1ec3 b\u1ecb g\u1ec9 theo th\u1eddi gian.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/h2><p class=\"wp-block-paragraph\">V\u00e2ng, th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao th\u01b0\u1eddng l\u00e0 <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/magnetic\/\">t\u1eeb t\u00ednh<\/a>, v\u00ec n\u00f3 th\u01b0\u1eddng c\u00f3 c\u1ea5u tr\u00fac martensitic, gi\u1eef nguy\u00ean t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 ph\u1ea3i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao kh\u00f4ng?<\/h2><p class=\"wp-block-paragraph\"><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-304\/\">th\u00e9p kh\u00f4ng g\u1ec9 304<\/a> th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao. Th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p h\u01a1n, th\u01b0\u1eddng d\u01b0\u1edbi 0,08%. Do h\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p, th\u00e9p kh\u00f4ng g\u1ec9 304 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao v\u1ec1 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n, nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, kh\u1ea3 n\u0103ng h\u00e0n v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng v\u01b0\u1ee3t tr\u1ed9i.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 an to\u00e0n kh\u00f4ng?<\/h2><p class=\"wp-block-paragraph\">C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao an to\u00e0n khi s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c d\u1ee5ng c\u1ee5 nh\u00e0 b\u1ebfp. H\u00e0m l\u01b0\u1ee3ng crom c\u1ee7a n\u00f3 ng\u0103n ng\u1eeba r\u1ec9 s\u00e9t, nh\u01b0ng c\u1ea7n ph\u1ea3i ch\u0103m s\u00f3c v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh r\u1ec9 s\u00e9t v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n l\u00e2u d\u00e0i.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao c\u00f3 t\u1ed1t cho dao kh\u00f4ng?<\/h2><p class=\"wp-block-paragraph\">C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao r\u1ea5t tuy\u1ec7t v\u1eddi cho dao. N\u00f3 k\u1ebft h\u1ee3p \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef c\u1ea1nh c\u1ee7a th\u00e9p cacbon cao v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 ho\u00e0n h\u1ea3o cho nh\u1eefng con dao c\u1ea7n gi\u1eef \u0111\u1ed9 s\u1eafc b\u00e9n v\u00e0 ch\u1ed1ng g\u1ec9 trong th\u1eddi gian d\u00e0i, nh\u01b0ng v\u1eabn c\u1ea7n b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p><h2 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e0i dao th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao?<\/h2><ol class=\"wp-block-list\"><li><strong>Ch\u1ecdn m\u1ed9t c\u00f4ng c\u1ee5 m\u00e0i<\/strong>: S\u1eed d\u1ee5ng \u0111\u00e1 m\u00e0i, \u0111\u00e1 kim c\u01b0\u01a1ng ho\u1eb7c thanh m\u00e0i g\u1ed1m. \u0110\u00e1 m\u00e0i l\u00fd t\u01b0\u1edfng cho \u0111\u1ed9 ch\u00ednh x\u00e1c, trong khi \u0111\u00e1 kim c\u01b0\u01a1ng nhanh h\u01a1n cho th\u00e9p c\u1ee9ng.<\/li>\n\n<li><strong>Ng\u00e2m \u0111\u00e1 m\u00e0i (n\u1ebfu c\u00f3)<\/strong>:N\u1ebfu s\u1eed d\u1ee5ng \u0111\u00e1 m\u00e0i, h\u00e3y ng\u00e2m n\u00f3 trong n\u01b0\u1edbc trong 10-15 ph\u00fat.<\/li>\n\n<li><strong>\u0110\u1eb7t g\u00f3c<\/strong>: Duy tr\u00ec g\u00f3c m\u00e0i th\u00edch h\u1ee3p (th\u01b0\u1eddng l\u00e0 15-20 \u0111\u1ed9) cho dao nh\u00e0 b\u1ebfp. Gi\u1eef dao \u1edf g\u00f3c n\u00e0y trong su\u1ed1t qu\u00e1 tr\u00ecnh m\u00e0i.<\/li>\n\n<li><strong>M\u00e0i l\u01b0\u1ee1i dao<\/strong>:<ul class=\"wp-block-list\"><li><strong>Tr\u00ean m\u1ed9t h\u00f2n \u0111\u00e1 m\u00e0i<\/strong>: B\u1eaft \u0111\u1ea7u v\u1edbi \u0111\u1ed9 nh\u00e1m th\u00f4 (kho\u1ea3ng 1000) v\u00e0 ch\u1ea1y l\u01b0\u1ee1i dao d\u1ecdc theo \u0111\u00e1, \u1ea5n nh\u1eb9 t\u1eeb g\u00f3t \u0111\u1ebfn \u0111\u1ea7u. L\u1eb7p l\u1ea1i \u1edf c\u1ea3 hai m\u1eb7t.<\/li>\n\n<li><strong>\u0110\u1ec3 c\u00f3 m\u1ed9t c\u1ea1nh m\u1ecbn h\u01a1n<\/strong>: Chuy\u1ec3n sang \u0111\u00e1 m\u00e0i c\u00f3 \u0111\u1ed9 nh\u00e1m m\u1ecbn h\u01a1n (3000-6000) \u0111\u1ec3 \u0111\u00e1nh b\u00f3ng c\u1ea1nh.<\/li><\/ul><\/li>\n\n<li><strong>M\u00e0i c\u1ea1nh<\/strong>:Sau khi m\u00e0i, s\u1eed d\u1ee5ng thanh m\u00e0i \u0111\u1ec3 c\u0103n ch\u1ec9nh c\u1ea1nh l\u01b0\u1ee1i dao \u0111\u1ec3 t\u0103ng \u0111\u1ed9 s\u1eafc b\u00e9n.<\/li>\n\n<li><strong>L\u00e0m s\u1ea1ch v\u00e0 lau kh\u00f4 dao<\/strong>: R\u1eeda s\u1ea1ch l\u01b0\u1ee1i dao, lau kh\u00f4 v\u00e0 c\u1ea5t gi\u1eef \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh b\u1ecb \u0103n m\u00f2n.<\/li><\/ol><h2 class=\"wp-block-heading\">Nh\u1eadn \u0111\u01b0\u1ee3c th\u00e9p kh\u00f4ng g\u1ec9 nh\u01b0 mong mu\u1ed1n!<\/h2><p class=\"wp-block-paragraph\">L\u00e0 m\u1ed9t nh\u00e0 cung c\u1ea5p th\u00e9p chuy\u00ean nghi\u1ec7p, SteelPRO Group cung c\u1ea5p cho b\u1ea1n nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 d\u1ecbch v\u1ee5 t\u00f9y ch\u1ec9nh. N\u1ebfu b\u1ea1n c\u1ea7n mua th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00e1c lo\u1ea1i kh\u00e1c <a href=\"https:\/\/steelprogroup.com\/vi\/steel-by-type\/\">th\u00e9p<\/a>, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i. \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 xem th\u00eam <a href=\"https:\/\/steelprogroup.com\/vi\/blog\/\">blog c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 cacbon cao l\u00e0 v\u1eadt li\u1ec7u h\u1ee3p kim k\u1ebft h\u1ee3p nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a th\u00e9p cacbon v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, v\u1edbi [\u2026]<\/p>","protected":false},"author":1,"featured_media":10695,"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":[112],"tags":[],"class_list":["post-10710","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stainless-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10710","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=10710"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10710\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/10695"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=10710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=10710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=10710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}