{"id":10626,"date":"2024-09-13T11:07:00","date_gmt":"2024-09-13T03:07:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=10626"},"modified":"2024-11-15T13:03:13","modified_gmt":"2024-11-15T05:03:13","slug":"steel-vs-stainless-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/comparison\/steel-vs-stainless-steel\/","title":{"rendered":"Th\u00e9p so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9: So s\u00e1nh t\u1eeb \u0111\u1ea7u \u0111\u1ebfn ch\u00e2n"},"content":{"rendered":"<h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n gi\u1eefa th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p l\u00e0 h\u1ee3p kim g\u1ed1c s\u1eaft, ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u1eaft v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf cacbon. C\u00e1c lo\u1ea1i v\u00e0 c\u1ea5p th\u00e9p kh\u00e1c nhau c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim kh\u00e1c m\u00e0 ch\u00fang ch\u1ee9a, ch\u1eb3ng h\u1ea1n nh\u01b0 mangan, silic v\u00e0 crom.<\/p><p class=\"wp-block-paragraph\">T\u1ea5t c\u1ea3 th\u00e9p \u0111\u1ec1u ch\u1ee9a s\u1eaft v\u00e0 cacbon, th\u00e9p kh\u00f4ng g\u1ec9 c\u0169ng v\u1eady. <strong>Tuy nhi\u00ean, ch\u1ec9 c\u00f3 lo\u1ea1i th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom \u00edt nh\u1ea5t l\u00e0 10,5% m\u1edbi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9.<\/strong> Crom l\u00e0 nguy\u00ean t\u1ed1 ch\u00ednh gi\u00fap ch\u1ed1ng g\u1ec9 s\u00e9t \u1edf th\u00e9p kh\u00f4ng g\u1ec9.<\/p><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p class=\"wp-block-paragraph\"><strong>Th\u00e9p<\/strong> ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u1eaft (Fe) v\u1edbi h\u00e0m l\u01b0\u1ee3ng cacbon (C) dao \u0111\u1ed9ng t\u1eeb <strong>0.02% &#8211; 2%<\/strong>. C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li>mangan (Mn)<\/li>\n\n<li>silic (Si)<\/li>\n\n<li>l\u01b0u hu\u1ef3nh (S)<\/li>\n\n<li>ph\u1ed1t pho (P)<\/li><\/ul><p class=\"wp-block-paragraph\"><\/p><p class=\"wp-block-paragraph\"><em>*Th\u01b0\u1eddng \u00edt h\u01a1n <\/em><strong><em>1%<\/em><\/strong><em> m\u1ed7i.<\/em>&nbsp;<\/p><p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p c\u0169ng \u0111\u01b0\u1ee3c b\u1ed5 sung th\u00eam crom (Cr), niken (Ni), molypden (Mo) v\u00e0 vanadi (V) \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng c\u00e1c t\u00ednh ch\u1ea5t c\u1ee5 th\u1ec3.<\/p><p class=\"wp-block-paragraph\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> l\u00e0 h\u1ee3p kim c\u1ee7a s\u1eaft v\u1edbi <strong>10.5% &#8211; 30% <\/strong>crom (Cr) v\u00e0 <strong>0.03% &#8211; 1% <\/strong>cacbon (C). C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim ph\u1ed5 bi\u1ebfn bao g\u1ed3m niken (Ni), molypden (Mo) v\u00e0 \u0111\u00f4i khi l\u00e0 titan (Ti) v\u00e0 nit\u01a1 (N) \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p class=\"wp-block-paragraph\">Ch\u00fang ta h\u00e3y so s\u00e1nh c\u00e1c \u0111\u1eb7c t\u00ednh ch\u00ednh gi\u1eefa th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9:<\/p><h3 class=\"wp-block-heading\">Ch\u1ed1ng \u0103n m\u00f2n<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p d\u1ec5 b\u1ecb r\u1ec9 s\u00e9t<\/strong> khi ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m; c\u1ea7n c\u00f3 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 ho\u1eb7c x\u1eed l\u00fd \u0111\u1ec3 ch\u1ed1ng r\u1ec9 s\u00e9t.&nbsp;<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> l\u00e0 <strong>ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n<\/strong> do c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim nh\u01b0 crom v\u00e0 niken.<\/li><\/ul><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> th\u01b0\u1eddng c\u00f3 <strong>kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n<\/strong> do l\u1edbp oxit crom c\u1ee7a n\u00f3, *<em>nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u0111\u1ec1u nh\u01b0 nhau\u2014c\u00e1c lo\u1ea1i nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 austenit ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n.<\/em>\u00a0<\/li>\n\n<li><strong>M\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p<\/strong> v\u1edbi vi\u1ec7c b\u1ed5 sung crom ho\u1eb7c molypden c\u0169ng c\u00f3 th\u1ec3 <strong>ch\u1ecbu nhi\u1ec7t t\u1ed1t<\/strong>.<\/li><\/ul><h3 class=\"wp-block-heading\">S\u1ee9c m\u1ea1nh<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p <\/strong>th\u01b0\u1eddng c\u00f3 <strong>s\u1ee9c m\u1ea1nh ban \u0111\u1ea7u cao h\u01a1n<\/strong> h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 austenit do h\u00e0m l\u01b0\u1ee3ng carbon cao h\u01a1n.&nbsp;<\/li>\n\n<li>Ng\u01b0\u1ee3c l\u1ea1i, <strong>th\u00e9p kh\u00f4ng g\u1ec9 <\/strong>ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim b\u1ed5 sung nh\u01b0 crom v\u00e0 niken, c\u00f3 th\u1ec3 h\u01a1i <strong>gi\u1ea3m b\u1edbt<\/strong> c\u1ee7a n\u00f3 <strong>s\u1ee9c m\u1ea1nh t\u1ed5ng th\u1ec3<\/strong>.<\/li>\n\n<li><em>*M\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p martensitic ho\u1eb7c th\u00e9p \u0111\u00e3 qua x\u1eed l\u00fd nhi\u1ec7t, c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n b\u1eb1ng ho\u1eb7c l\u1edbn h\u01a1n th\u00e9p th\u00f4ng th\u01b0\u1eddng.<\/em>\u00a0<\/li><\/ul><h3 class=\"wp-block-heading\">\u0110\u1ed9 c\u1ee9ng<\/h3><ul class=\"wp-block-list\"><li>Th\u00e9p n\u00f3i chung l\u00e0 <strong>kh\u00f3 h\u01a1n<\/strong> h\u01a1n h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 do h\u00e0m l\u01b0\u1ee3ng carbon cao h\u01a1n. L\u01b0\u1ee3ng carbon t\u0103ng l\u00ean n\u00e0y l\u00e0m cho th\u00e9p c\u1ee9ng h\u01a1n, ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n v\u00e0 b\u1ec1n h\u01a1n, mang l\u1ea1i cho n\u00f3 l\u1ee3i th\u1ebf trong <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/hardness\/\">\u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9<\/a> v\u00e0 l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft v\u00e0 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng.<\/li><\/ul><h3 class=\"wp-block-heading\">\u0110\u1ed9 d\u1ebbo<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c lo\u1ea1i austenit, th\u01b0\u1eddng l\u00e0 <strong>d\u1ec5 u\u1ed1n n\u1eafn h\u01a1n<\/strong> h\u01a1n th\u00e9p.&nbsp;<\/li>\n\n<li><em>*\u0110\u1ed9 d\u1ebbo c\u1ee7a th\u00e9p thay \u0111\u1ed5i t\u00f9y theo h\u00e0m l\u01b0\u1ee3ng carbon v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim, th\u00e9p carbon th\u1ea5p d\u1ec5 u\u1ed1n h\u01a1n th\u00e9p carbon cao.<\/em><\/li><\/ul><h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p<\/strong> l\u00e0 <strong>gi\u00f2n h\u01a1n<\/strong> v\u00ec c\u00f3 nhi\u1ec1u carbon h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9, <\/strong>\u0111\u1eb7c bi\u1ec7t <strong>c\u00e1c lo\u1ea1i c\u00f3 niken,<\/strong> gi\u1eef l\u1ea1i <strong>\u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n<\/strong> \u1edf ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng h\u01a1n.<\/li><\/ul><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p<\/strong> l\u00e0 <strong>t\u1eeb t\u00ednh<\/strong>.&nbsp;<\/li>\n\n<li><strong>H\u1ea7u h\u1ebft th\u00e9p kh\u00f4ng g\u1ec9<\/strong> l\u00e0 <strong>kh\u00f4ng t\u1eeb t\u00ednh<\/strong>, ngo\u1ea1i tr\u1eeb c\u00e1c lo\u1ea1i v\u00e0 c\u1ea5p \u0111\u1ed9 c\u1ee5 th\u1ec3. D\u00f2ng 300 ch\u1ee9a crom v\u00e0 niken, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh austenit v\u00e0 th\u01b0\u1eddng kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh. D\u00f2ng 400 ch\u1ec9 ch\u1ee9a crom, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh martensit ho\u1eb7c ferritic, do \u0111\u00f3 <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/magnetic\/\">t\u1eeb t\u00ednh<\/a>.<\/li>\n\n<li><em>*H\u1ea7u h\u1ebft th\u00e9p kh\u00f4ng g\u1ec9 \u0111ang s\u1eed d\u1ee5ng l\u00e0 th\u00e9p austenit, kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh. Tuy nhi\u00ean, ch\u00fang c\u00f3 th\u1ec3 tr\u1edf n\u00ean h\u01a1i c\u00f3 t\u1eeb t\u00ednh trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 gia c\u00f4ng ngu\u1ed9i.<\/em>&nbsp;<\/li><\/ul><h3 class=\"wp-block-heading\">V\u1ebb b\u1ec1 ngo\u00e0i<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p<\/strong> th\u01b0\u1eddng l\u00e0 <strong>m\u00e0u x\u00e1m x\u1ec9n<\/strong> v\u00e0 c\u00f3 th\u1ec3 <strong>r\u1ec9 s\u00e9t<\/strong> ho\u1eb7c <strong>thay \u0111\u1ed5i m\u00e0u s\u1eafc<\/strong> khi ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m.<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9 <\/strong>c\u00f3 m\u1ed9t <strong>s\u00e1ng b\u00f3ng<\/strong> ho\u1eb7c <strong>ch\u1ea3i<\/strong> nh\u00ecn v\u00e0 l\u00e0m <strong>kh\u00f4ng r\u1ec9 s\u00e9t<\/strong>, gi\u1eef \u0111\u01b0\u1ee3c v\u1ebb ngo\u00e0i trong th\u1eddi gian d\u00e0i.<\/li><\/ul><h2 class=\"wp-block-heading\">Quy tr\u00ecnh s\u1ea3n xu\u1ea5t th\u00e9p so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 quy tr\u00ecnh s\u1ea3n xu\u1ea5t t\u01b0\u01a1ng t\u1ef1 nhau, ch\u00fang t\u00f4i v\u1eabn s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh c\u1ee7a ch\u00fang.<\/p><h3 class=\"wp-block-heading\">S\u1ea3n xu\u1ea5t th\u00e9p<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch n\u1ea5u ch\u1ea3y c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 nh\u01b0 qu\u1eb7ng s\u1eaft, than (d\u01b0\u1edbi d\u1ea1ng than c\u1ed1c) v\u00e0 \u0111\u00e1 v\u00f4i trong l\u00f2 cao. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u1eed qu\u1eb7ng s\u1eaft th\u00e0nh s\u1eaft n\u00f3ng ch\u1ea3y b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf oxy.&nbsp;<\/p><p class=\"wp-block-paragraph\">Sau \u0111\u00f3, s\u1eaft n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c tinh ch\u1ebf \u0111\u1ec3 gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng carbon v\u00e0 lo\u1ea1i b\u1ecf m\u1ed9t s\u1ed1 t\u1ea1p ch\u1ea5t. Sau khi tinh ch\u1ebf, th\u00e9p \u0111\u01b0\u1ee3c \u0111\u00fac th\u00e0nh h\u00ecnh d\u1ea1ng v\u00e0 c\u00e1n th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 t\u1ea5m ho\u1eb7c d\u1ea7m.&nbsp;<\/p><p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh t\u1ed5ng th\u1ec3 r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i thanh l\u1ecdc nhi\u1ec1u.<\/p><h3 class=\"wp-block-heading\">S\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 tu\u00e2n theo m\u1ed9t quy tr\u00ecnh c\u01a1 b\u1ea3n t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd h\u01a1n v\u00e0 c\u00f3 c\u00e1c b\u01b0\u1edbc b\u1ed5 sung \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tinh khi\u1ebft cao h\u01a1n v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u1ee5 th\u1ec3.<\/p><ul class=\"wp-block-list\"><li><strong>Nung ch\u1ea3y ch\u00ednh x\u00e1c trong l\u00f2 \u0111i\u1ec7n<\/strong><strong><br><\/strong>Th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c n\u1ea5u ch\u1ea3y trong l\u00f2 \u0111i\u1ec7n thay v\u00ec l\u00f2 cao. L\u00f2 \u0111i\u1ec7n cho ph\u00e9p ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi th\u00eam c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim nh\u01b0 crom v\u00e0 niken. C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y mang l\u1ea1i cho th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1eb7c t\u00ednh ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n\n<li><strong>C\u00e1c b\u01b0\u1edbc tinh ch\u1ebf b\u1ed5 sung<\/strong><strong><br><\/strong>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft cao, th\u00e9p kh\u00f4ng g\u1ec9 tr\u1ea3i qua c\u00e1c qu\u00e1 tr\u00ecnh tinh ch\u1ebf b\u1ed5 sung:<ul class=\"wp-block-list\"><li><strong>Tho\u00e1t kh\u00ed<\/strong><strong><br><\/strong>Lo\u1ea1i b\u1ecf c\u00e1c kh\u00ed nh\u01b0 hydro, oxy v\u00e0 nit\u01a1 kh\u1ecfi th\u00e9p n\u00f3ng ch\u1ea3y. C\u00e1c kh\u00ed n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra \u0111i\u1ec3m y\u1ebfu v\u00e0 l\u00e0m cho th\u00e9p gi\u00f2n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<\/li>\n\n<li><strong>Kh\u1eed l\u01b0u hu\u1ef3nh v\u00e0 kh\u1eed ph\u1ed1t pho<\/strong><strong><br><\/strong>Lo\u1ea1i b\u1ecf l\u01b0u hu\u1ef3nh v\u00e0 ph\u1ed1t pho c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 d\u1ebbo dai v\u00e0 khi\u1ebfn th\u00e9p d\u1ec5 b\u1ecb n\u1ee9t h\u01a1n. Lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/li><\/ul><\/li>\n\n<li><strong>H\u1ee3p kim \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/strong><strong><br><\/strong>L\u01b0\u1ee3ng h\u1ee3p kim ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea5p \u0111\u1ed9 th\u00e9p kh\u00f4ng g\u1ec9 mong mu\u1ed1n. Th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3.<\/li>\n\n<li><strong>X\u1eed l\u00fd nhi\u1ec7t<\/strong><strong><br><\/strong>Th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng tr\u1ea3i qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t nh\u01b0 <strong>\u1ee7<\/strong> \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd nh\u01b0 v\u1eady ph\u1ed5 bi\u1ebfn h\u01a1n trong s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 so v\u1edbi th\u00e9p th\u00f4ng th\u01b0\u1eddng.<\/li>\n\n<li><strong>Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t n\u00e2ng cao<br><\/strong>V\u00ec th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 v\u1ebb ngo\u00e0i quan tr\u1ecdng\u2014nh\u01b0 thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp v\u00e0 d\u1ee5ng c\u1ee5 y t\u1ebf\u2014n\u00f3 ph\u1ea3i tr\u1ea3i qua c\u00e1c quy tr\u00ecnh ho\u00e0n thi\u1ec7n b\u1ed5 sung. Nh\u1eefng quy tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/production\/polish\/\">\u0111\u00e1nh b\u00f3ng<\/a> V\u00e0 <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/finish\/passivated\/\">th\u1ee5 \u0111\u1ed9ng h\u00f3a<\/a> \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t v\u00e0 t\u0103ng c\u01b0\u1eddng <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/corrosion-resistant\/\">kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/a>.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>T\u00f3m t\u1eaft nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh<\/strong><\/h3><p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00f2i h\u1ecfi nh\u1eefng quy tr\u00ecnh nghi\u00eam ng\u1eb7t h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tinh khi\u1ebft cao h\u01a1n v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee5 th\u1ec3:<\/p><ul class=\"wp-block-list\"><li><strong>Ki\u1ec3m so\u00e1t s\u1ef1 tan ch\u1ea3y<\/strong>:S\u1eed d\u1ee5ng l\u00f2 \u0111i\u1ec7n \u0111\u1ec3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n\n<li><strong>Tinh ch\u1ebf th\u00eam<\/strong>:Qu\u00e1 tr\u00ecnh kh\u1eed kh\u00ed, kh\u1eed l\u01b0u hu\u1ef3nh v\u00e0 kh\u1eed ph\u1ed1t pho \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/li>\n\n<li><strong>H\u1ee3p kim ch\u00ednh x\u00e1c<\/strong>: Th\u00eam m\u1ed9t l\u01b0\u1ee3ng ch\u00ednh x\u00e1c c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh mong mu\u1ed1n.<\/li>\n\n<li><strong>\u0110i\u1ec1u tr\u1ecb n\u00e2ng cao<\/strong>:\u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd nhi\u1ec7t v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 h\u00ecnh th\u1ee9c.<\/li><\/ul><h2 class=\"wp-block-heading\">\u0110\u1eb7c \u0111i\u1ec3m x\u1eed l\u00fd c\u1ee7a th\u00e9p so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng h\u00e0n<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p d\u1ec5 h\u00e0n h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 v\u00ec h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n v\u00e0 \u00edt nguy\u00ean t\u1ed1 h\u1ee3p kim h\u01a1n, khi\u1ebfn th\u00e9p d\u1ec5 h\u00e0n h\u01a1n.&nbsp;<\/p><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ee9a nhi\u1ec1u crom v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim h\u01a1n v\u00e0 d\u1ec5 b\u1ecb cong v\u00eanh, n\u1ee9t ho\u1eb7c \u0103n m\u00f2n h\u01a1n n\u1ebfu <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/welding\/\">h\u00e0n<\/a> kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Quy tr\u00ecnh h\u00e0n<\/strong><\/td><td><strong>Th\u00e9p<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td><\/tr><tr><td>Ph\u01b0\u01a1ng ph\u00e1p h\u00e0n<\/td><td>Ph\u1ed5 bi\u1ebfn: MIG, TIG, SMAW<\/td><td>\u01afu ti\u00ean: TIG, Laser, MIG<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u \u0111\u1ed9n<\/td><td>Thanh th\u00e9p cacbon ho\u1eb7c thanh h\u1ee3p kim th\u1ea5p<\/td><td>D\u00e2y h\u00e0n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 (v\u00ed d\u1ee5: 308, 316)<\/td><\/tr><tr><td>X\u1eed l\u00fd nhi\u1ec7t tr\u01b0\u1edbc v\u00e0 sau khi gia nhi\u1ec7t<\/td><td>Th\u01b0\u1eddng xuy\u00ean ph\u1ea3i l\u00e0m n\u00f3ng tr\u01b0\u1edbc v\u00e0 sau \u0111\u1ec3 tr\u00e1nh n\u1ee9t<\/td><td>Th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u1ea7n gia nhi\u1ec7t tr\u01b0\u1edbc, c\u00f3 th\u1ec3 c\u1ea7n \u1ee7 sau khi h\u00e0n \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i<\/td><\/tr><tr><td>Ki\u1ec3m so\u00e1t bi\u1ebfn d\u1ea1ng nhi\u1ec7t<\/td><td>\u0110\u1ed9 nh\u1ea1y th\u1ea5p h\u01a1n v\u1edbi bi\u1ebfn d\u1ea1ng nhi\u1ec7t<\/td><td>Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea7u v\u00e0o cao \u0111\u1ec3 ng\u0103n ng\u1eeba bi\u1ebfn d\u1ea1ng v\u00e0 \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/h3><p class=\"wp-block-paragraph\"><strong>Th\u00e9p<\/strong> th\u01b0\u1eddng d\u1ec5 gia c\u00f4ng h\u01a1n do \u0111\u1ed9 b\u1ec1n th\u1ea5p h\u01a1n v\u00e0 \u0111\u1eb7c t\u00ednh l\u00e0m c\u1ee9ng t\u1ed1i thi\u1ec3u. C\u00e1c k\u1ef9 thu\u1eadt gia c\u00f4ng ti\u00eau chu\u1ea9n nh\u01b0 ti\u1ec7n, khoan v\u00e0 phay th\u01b0\u1eddng \u0111\u1ee7 cho th\u00e9p.&nbsp;<\/p><p class=\"wp-block-paragraph\">Ng\u01b0\u1ee3c l\u1ea1i, <strong>th\u00e9p kh\u00f4ng g\u1ec9<\/strong> m\u1ea1nh h\u01a1n v\u00e0 c\u00f3 xu h\u01b0\u1edbng l\u00e0m c\u1ee9ng nhanh, khi\u1ebfn vi\u1ec7c gia c\u00f4ng tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. C\u00e1c k\u1ef9 thu\u1eadt v\u00e0 d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, ch\u1eb3ng h\u1ea1n nh\u01b0 phay m\u1eb7t v\u00e0 khoan t\u1ed1c \u0111\u1ed9 cao.<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 c\u1ee9ng<\/h3><p class=\"wp-block-paragraph\"><strong>Th\u00e9p<\/strong> th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9, ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 tr\u1edf n\u00ean c\u1ee9ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 \u0111\u1ed9 d\u00e0y c\u1ee7a n\u00f3 khi \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y l\u00e0 do h\u00e0m l\u01b0\u1ee3ng carbon v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n.&nbsp;<\/p><p class=\"wp-block-paragraph\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong>Kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i th\u00e9p. Th\u00e9p kh\u00f4ng g\u1ec9 martensitic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng b\u1eb1ng c\u00e1ch x\u1eed l\u00fd nhi\u1ec7t, trong khi th\u00e9p kh\u00f4ng g\u1ec9 austenitic kh\u00f4ng th\u1ec3 v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c gia c\u01b0\u1eddng th\u00f4ng qua qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i. Nh\u00ecn chung, th\u00e9p th\u01b0\u1eddng d\u1ec5 l\u00e0m c\u1ee9ng h\u01a1n h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p class=\"wp-block-paragraph\"><strong>Th\u00e9p<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. Kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u1ea3i tr\u1ecdng n\u1eb7ng v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn. B\u1ea1n s\u1ebd th\u1ea5y n\u00f3 trong x\u00e2y d\u1ef1ng, \u00f4 t\u00f4 v\u00e0 s\u1ea3n xu\u1ea5t, xu\u1ea5t hi\u1ec7n trong c\u00e1c t\u00f2a nh\u00e0, xe c\u1ed9 v\u00e0 m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.<\/p><p class=\"wp-block-paragraph\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng m\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n l\u00e0 quan tr\u1ecdng. T\u00ednh ch\u1ea5t kh\u00f4ng \u0111\u1ed9c h\u1ea1i v\u00e0 d\u1ec5 v\u1ec7 sinh c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 l\u00fd t\u01b0\u1edfng cho s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m, ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe v\u00e0 h\u00e0ng ti\u00eau d\u00f9ng. B\u1ea1n th\u01b0\u1eddng th\u1ea5y n\u00f3 trong \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp, d\u1ee5ng c\u1ee5 y t\u1ebf v\u00e0 th\u1eadm ch\u00ed c\u1ea3 \u0111\u1ed3 trang tr\u00ed.<\/p><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 chi ph\u00ed c\u1ee7a th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p th\u01b0\u1eddng r\u1ebb h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 v\u00ec nh\u1eefng l\u00fd do \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y.<\/p><h3 class=\"wp-block-heading\">Chi ph\u00ed nguy\u00ean v\u1eadt li\u1ec7u<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p <\/strong>ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng <strong>s\u1eaft v\u00e0 cacbon<\/strong>, \u0111\u00f3 l\u00e0 <strong>kh\u00f4ng t\u1ed1n k\u00e9m<\/strong>. C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim kh\u00e1c trong th\u00e9p thay \u0111\u1ed5i t\u00f9y theo c\u1ea5p nh\u01b0ng nh\u00ecn chung c\u00f3 h\u00e0m l\u01b0\u1ee3ng th\u1ea5p h\u01a1n.<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> ch\u1ee9a <strong>nhi\u1ec1u nguy\u00ean t\u1ed1 h\u1ee3p kim h\u01a1n<\/strong>, ch\u1ee7 y\u1ebfu l\u00e0 h\u00e0m l\u01b0\u1ee3ng crom cao, \u0111\u00f4i khi l\u00e0 niken ho\u1eb7c molypden. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 \u0111\u1eaft h\u01a1n th\u00e9p.<\/li><\/ul><h3 class=\"wp-block-heading\">Chi ph\u00ed s\u1ea3n xu\u1ea5t<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> s\u1ea3n xu\u1ea5t bao g\u1ed3m <strong>qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p h\u01a1n<\/strong>, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u1ea5u ch\u1ea3y ch\u00ednh x\u00e1c, \u0111\u00fac, h\u1ee3p kim, x\u1eed l\u00fd nhi\u1ec7t ti\u00ean ti\u1ebfn, ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, v.v. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng <strong>th\u1eddi gian, lao \u0111\u1ed9ng,<\/strong> V\u00e0 <strong>chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng<\/strong>.<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> l\u00e0 <strong>kh\u00f3 h\u01a1n<\/strong> \u0110\u1ebeN <strong>m\u00e1y m\u00f3c <\/strong>V\u00e0 <strong>ch\u1ebf t\u1ea1o <\/strong>v\u00ec n\u00f3 c\u1ee9ng h\u01a1n. C\u1ea7n c\u00f3 c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt \u0111\u1eb7c bi\u1ec7t. Do \u0111\u00f3, s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng \u0111\u1eaft h\u01a1n.<\/li><\/ul><h2 class=\"wp-block-heading\">B\u1ea3o tr\u00ec v\u00e0 ch\u0103m s\u00f3c th\u00e9p so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p class=\"wp-block-paragraph\">B\u1ec1 m\u1eb7t nh\u1eb5n h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 khi\u1ebfn vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 ch\u0103m s\u00f3c \u00edt h\u01a1n v\u00e0 \u0111\u01a1n gi\u1ea3n h\u01a1n. Ch\u00fang ta h\u00e3y xem x\u00e9t k\u1ef9 h\u01a1n s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a ch\u00fang.<\/p><h3 class=\"wp-block-heading\">B\u1ea3o v\u1ec7 ch\u1ed1ng r\u1ec9 s\u00e9t v\u00e0 \u0103n m\u00f2n<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p<\/strong>: D\u1ec5 b\u1ecb g\u1ec9 v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ed1ng g\u1ec9 th\u01b0\u1eddng xuy\u00ean (v\u00ed d\u1ee5: d\u00f9ng d\u1ea7u, s\u01a1n, m\u1ea1 k\u1ebdm).<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong>: Ch\u1ed1ng g\u1ec9 t\u1ed1t h\u01a1n nh\u01b0ng v\u1eabn c\u1ea7n v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t (nh\u01b0 g\u1ea7n bi\u1ec3n ho\u1eb7c khu v\u1ef1c c\u00f3 t\u00ednh axit) \u0111\u1ec3 ch\u1ed1ng g\u1ec9.<\/li><\/ul><h3 class=\"wp-block-heading\">V\u1ec7 sinh v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u1ec1 m\u1eb7t<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p<\/strong>:C\u1ea7n v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ee5i v\u00e0 \u0111\u1ed9 \u1ea9m v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n ch\u00e0 nh\u00e1m ho\u1eb7c s\u01a1n l\u1ea1i \u0111\u1ec3 gi\u1eef nguy\u00ean v\u1ebb ngo\u00e0i.<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong>: \u00cdt c\u1ea7n v\u1ec7 sinh v\u00e0 ch\u1ec9 c\u1ea7n ch\u0103m s\u00f3c \u0111\u01a1n gi\u1ea3n nh\u01b0 \u0111\u00e1nh b\u00f3ng nh\u1eb9 ho\u1eb7c s\u1eed d\u1ee5ng ch\u1ea5t t\u1ea9y r\u1eeda chuy\u00ean d\u1ee5ng l\u00e0 c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i \u0111\u1ed9 s\u00e1ng b\u00f3ng.<\/li><\/ul><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p<\/strong>: D\u1ec5 b\u1ecb h\u01b0 h\u1ecfng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c \u0103n m\u00f2n, \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean.<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong>: Ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0ng v\u1eabn c\u1ea7n b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/li><\/ul><h3 class=\"wp-block-heading\">Tu\u1ed5i th\u1ecd<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u00e9p<\/strong>:Tu\u1ed5i th\u1ecd \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i th\u00f4ng qua vi\u1ec7c ph\u00f2ng ng\u1eeba r\u1ec9 s\u00e9t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u1ec1 m\u1eb7t th\u01b0\u1eddng xuy\u00ean.<\/li>\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong>:Tu\u1ed5i th\u1ecd \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i b\u1eb1ng c\u00e1ch gi\u1eef g\u00ecn v\u1ec7 sinh v\u00e0 tr\u00e1nh ti\u1ebfp x\u00fac v\u1edbi c\u00e1c ch\u1ea5t \u0103n m\u00f2n, do \u0111\u00f3 \u00edt c\u1ea7n ch\u0103m s\u00f3c chuy\u00ean s\u00e2u h\u01a1n.<\/li><\/ul><h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p class=\"wp-block-paragraph\">Ch\u00fang ta h\u00e3y k\u1ebft th\u00fac b\u1eb1ng c\u00e1ch t\u00f3m t\u1eaft ng\u1eafn g\u1ecdn v\u00e0 \u0111\u01a1n gi\u1ea3n v\u1ec1 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u00fang:<\/p><h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Thu\u1eadn l\u1ee3i<\/strong><\/td><td><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/td><\/tr><tr><td>Ch\u1eafc ch\u1eafn v\u00e0 b\u1ec1n b\u1ec9, th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng n\u1eb7ng.<\/td><td>D\u1ec5 b\u1ecb r\u1ec9 s\u00e9t v\u00e0 \u0103n m\u00f2n.<\/td><\/tr><tr><td>Gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng v\u00e0 c\u00f3 s\u1eb5n r\u1ed9ng r\u00e3i.<\/td><td>C\u1ea7n b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 tr\u00e1nh r\u1ec9 s\u00e9t.<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o cao, l\u00fd t\u01b0\u1edfng cho x\u00e2y d\u1ef1ng.<\/td><td>N\u1eb7ng, c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng di chuy\u1ec3n trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p.<\/td><\/tr><tr><td>D\u1ec5 h\u00e0n v\u00e0 \u0111\u00fac th\u00e0nh nhi\u1ec1u h\u00ecnh d\u1ea1ng.<\/td><td>D\u1eabn nhi\u1ec7t v\u00e0 \u0111i\u1ec7n, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y nguy hi\u1ec3m.<\/td><\/tr><tr><td>\u0110a n\u0103ng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/td><td>\u00cdt c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi h\u00f3a ch\u1ea5t.<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Thu\u1eadn l\u1ee3i<\/strong><\/td><td><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/td><\/tr><tr><td>Ch\u1ed1ng g\u1ec9 v\u00e0 \u0103n m\u00f2n, t\u0103ng \u0111\u1ed9 b\u1ec1n.<\/td><td>\u0110\u1eaft h\u01a1n th\u00e9p cacbon.<\/td><\/tr><tr><td>V\u1ebb ngo\u00e0i b\u00f3ng b\u1ea9y, \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong thi\u1ebft k\u1ebf v\u00e0 ki\u1ebfn tr\u00fac.<\/td><td>Kh\u00f4ng b\u1ec1n b\u1eb1ng th\u00e9p trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng.<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u b\u1ec1n l\u00e2u, \u00edt c\u1ea7n b\u1ea3o tr\u00ec.<\/td><td>Kh\u00f3 \u0111\u00fac ho\u1eb7c gia c\u00f4ng h\u01a1n so v\u1edbi th\u00e9p cacbon.<\/td><\/tr><tr><td>Kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi nhi\u1ec1u lo\u1ea1i h\u00f3a ch\u1ea5t, l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng trong y t\u1ebf v\u00e0 th\u1ef1c ph\u1ea9m.<\/td><td>Kh\u00f3 h\u00e0n h\u01a1n do t\u00ednh ch\u1ea5t c\u1ee7a n\u00f3.<\/td><\/tr><tr><td>B\u1ec1n, c\u00f3 th\u1ec3 n\u1ea5u ch\u1ea3y v\u00e0 t\u00e1i s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng m\u1ea5t \u0111i t\u00ednh ch\u1ea5t.<\/td><td>D\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng khi gia c\u00f4ng, g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c ch\u1ebf t\u1ea1o.<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Nh\u1eefng g\u00ec b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 quan t\u00e2m<\/h2><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 nh\u1eb9 h\u01a1n th\u00e9p kh\u00f4ng?<\/h3><p class=\"wp-block-paragraph\">Kh\u00f4ng, th\u00e9p kh\u00f4ng g\u1ec9 kh\u00f4ng nh\u1eb9 h\u01a1n th\u00e9p th\u00f4ng th\u01b0\u1eddng; ch\u00fang c\u00f3 m\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng t\u1ef1 nhau. Tuy nhi\u00ean, th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 b\u1ed5 sung nh\u01b0 crom v\u00e0 niken, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nh\u1eb9 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3.<\/p><h3 class=\"wp-block-heading\">Li\u1ec7u th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 t\u1ed1t h\u01a1n th\u00e9p khi n\u1ea5u \u0103n kh\u00f4ng?<\/h3><p class=\"wp-block-paragraph\">es, th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng t\u1ed1t h\u01a1n th\u00e9p th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 n\u1ea5u \u0103n v\u00ec n\u00f3 ch\u1ed1ng g\u1ec9, \u0103n m\u00f2n v\u00e0 nhu\u1ed9m m\u00e0u. N\u00f3 c\u0169ng kh\u00f4ng ph\u1ea3n \u1ee9ng, ngh\u0129a l\u00e0 n\u00f3 s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u01b0\u01a1ng v\u1ecb c\u1ee7a th\u1ef1c ph\u1ea9m c\u00f3 t\u00ednh axit v\u00e0 d\u1ec5 v\u1ec7 sinh h\u01a1n, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho \u0111\u1ed3 n\u1ea5u n\u01b0\u1edbng.<\/p><h3 class=\"wp-block-heading\">Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n cho \u0111\u1ed3 trang s\u1ee9c, th\u00e9p hay th\u00e9p kh\u00f4ng g\u1ec9?<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 t\u1ed1t h\u01a1n cho \u0111\u1ed3 trang s\u1ee9c v\u00ec n\u00f3 ch\u1ed1ng g\u1ec9, x\u1ec9n m\u00e0u v\u00e0 \u0103n m\u00f2n, khi\u1ebfn n\u00f3 b\u1ec1n h\u01a1n v\u00e0 \u00edt c\u1ea7n b\u1ea3o tr\u00ec h\u01a1n th\u00e9p th\u00f4ng th\u01b0\u1eddng.<\/p><h3 class=\"wp-block-heading\">Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n, th\u00e9p m\u1ec1m hay th\u00e9p kh\u00f4ng g\u1ec9?<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng t\u1ed1t h\u01a1n th\u00e9p m\u1ec1m v\u00ec n\u00f3 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n, b\u1ec1n h\u01a1n v\u00e0 b\u1ec1n h\u01a1n. Tuy nhi\u00ean, th\u00e9p m\u1ec1m r\u1ebb h\u01a1n v\u00e0 d\u1ec5 gia c\u00f4ng h\u01a1n \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u00f4ng \u0103n m\u00f2n. L\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3.<\/p><h2 class=\"wp-block-heading\">T\u00f3m t\u1eaft &amp; Th\u00eam n\u1eefa<\/h2><p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y th\u1ea3o lu\u1eadn v\u1ec1 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, bao g\u1ed3m th\u00e0nh ph\u1ea7n, t\u00ednh ch\u1ea5t, quy tr\u00ecnh s\u1ea3n xu\u1ea5t, \u0111\u1eb7c \u0111i\u1ec3m ch\u1ebf bi\u1ebfn, \u1ee9ng d\u1ee5ng, chi ph\u00ed v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c. \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 th\u00e9p, th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c, h\u00e3y xem <a href=\"https:\/\/steelprogroup.com\/vi\/blog\/\">blog c\u1ee7a ch\u00fang t\u00f4i<\/a> ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">li\u00ean h\u1ec7 v\u1edbi c\u00e1c chuy\u00ean gia kim lo\u1ea1i c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p><p class=\"wp-block-paragraph\">L\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p gi\u1ea3i ph\u00e1p h\u00e0ng \u0111\u1ea7u v\u1ec1 th\u00e9p chuy\u00ean d\u1ee5ng, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u1ee9ng d\u1ee5ng \u0111a ng\u00e0nh v\u00e0 d\u1ecbch v\u1ee5 t\u00f9y ch\u1ec9nh v\u1edbi cam k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng 100%, cam k\u1ebft ph\u00e1t tri\u1ec3n c\u00f9ng kh\u00e1ch h\u00e0ng. Gh\u00e9 th\u0103m <a href=\"https:\/\/steelprogroup.com\/vi\">trang web c\u1ee7a ch\u00fang t\u00f4i<\/a> \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam, ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">g\u1eedi cho ch\u00fang t\u00f4i m\u1ed9t b\u00e1o gi\u00e1<\/a>v\u00e0 ch\u00fang t\u00f4i s\u1ebd li\u00ean h\u1ec7 v\u1edbi b\u1ea1n s\u1edbm!<\/p>","protected":false},"excerpt":{"rendered":"<p>S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n gi\u1eefa th\u00e9p v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 g\u00ec? Th\u00e9p l\u00e0 h\u1ee3p kim g\u1ed1c s\u1eaft, ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u1eaft v\u00e0 [\u2026]<\/p>","protected":false},"author":1,"featured_media":10627,"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":[4195],"tags":[],"class_list":["post-10626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comparison"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10626","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=10626"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10626\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/10627"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=10626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=10626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=10626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}