{"id":8334,"date":"2024-08-16T06:16:00","date_gmt":"2024-08-15T22:16:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=8334"},"modified":"2025-02-17T18:36:15","modified_gmt":"2025-02-17T10:36:15","slug":"ferritic","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/ferritic\/","title":{"rendered":"Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic: \u0110\u1ecbnh ngh\u0129a, Th\u00e0nh ph\u1ea7n, T\u00ednh ch\u1ea5t, X\u1eed l\u00fd, C\u1ea5p \u0111\u1ed9, \u1ee8ng d\u1ee5ng v\u00e0 Th\u00eam th\u00f4ng tin"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8334\" class=\"elementor elementor-8334\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42730b42 e-flex e-con-boxed e-con e-parent\" data-id=\"42730b42\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ab1d4a3 elementor-widget elementor-widget-text-editor\" data-id=\"5ab1d4a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 v\u1eadt li\u1ec7u linh ho\u1ea1t \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 tuy\u1ec7t v\u1eddi v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u00e2u d\u00e0i. N\u00f3 c\u00f3 nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m th\u00e9p kh\u00f4ng g\u1ec9 austenitic, ferritic, martensitic, duplex v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 t\u00f4i k\u1ebft t\u1ee7a.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic kh\u00e1c v\u1edbi th\u00e9p austenitic. N\u00f3 c\u00f3 c\u1ea5u tr\u00fac l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC) v\u00e0 c\u00f3 \u00edt niken h\u01a1n. Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic c\u0169ng b\u1ecb nam ch\u00e2m h\u00fat v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p m\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y c\u00f3 l\u1ee3i.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u1eadp trung v\u00e0o th\u00e9p kh\u00f4ng g\u1ec9 ferritic, bao g\u1ed3m \u0111\u1ecbnh ngh\u0129a, th\u00e0nh ph\u1ea7n, t\u00ednh ch\u1ea5t ch\u00ednh, ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn v\u00e0 c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn. M\u1ee5c ti\u00eau c\u1ee7a ch\u00fang t\u00f4i l\u00e0 cung c\u1ea5p cho b\u1ea1n c\u00e1i nh\u00ecn t\u1ed5ng quan r\u00f5 r\u00e0ng v\u1ec1 th\u1eddi \u0111i\u1ec3m v\u00e0 l\u00fd do t\u1ea1i sao th\u00e9p kh\u00f4ng g\u1ec9 ferritic c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic l\u00e0 g\u00ec?<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC) t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u1eaft nguy\u00ean ch\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. Th\u00e0nh ph\u1ea7n th\u01b0\u1eddng ch\u1ee9a 10,5% \u0111\u1ebfn 18% crom (nh\u01b0ng m\u1ed9t c\u1ea5p c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 cao t\u1edbi 30%) v\u1edbi \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 niken v\u00e0 h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p.\u00a0<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t trong n\u0103m lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong h\u1ec7 th\u1ed1ng \u1ed1ng x\u1ea3 \u00f4 t\u00f4, \u0111\u1ed3 gia d\u1ee5ng v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m 430, 409 v\u00e0 439. N\u00f3 c\u00f3 t\u1eeb t\u00ednh v\u00e0 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng th\u00f4ng qua x\u1eed l\u00fd nhi\u1ec7t.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Ferritic<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u1eaft, crom v\u00e0 cacbon. S\u1eaft l\u00e0 nguy\u00ean t\u1ed1 ch\u00ednh, chi\u1ebfm ph\u1ea7n l\u1edbn nh\u1ea5t trong th\u00e0nh ph\u1ea7n. Crom, chi\u1ebfm 10,5-30%, l\u00e0 ch\u1ea5t ph\u1ee5 gia ch\u00ednh t\u1ea1o n\u00ean kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. H\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p, th\u01b0\u1eddng d\u01b0\u1edbi 0,1%, gi\u00fap th\u00e9p m\u1ec1m v\u00e0 d\u1ec5 u\u1ed1n. C\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c nh\u01b0 molypden, nh\u00f4m v\u00e0 titan c\u00f3 th\u1ec3 c\u00f3 h\u00e0m l\u01b0\u1ee3ng nh\u1ecf h\u01a1n \u0111\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee5 th\u1ec3.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:table {\"hasFixedLayout\":false} --><\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td><strong>S\u1eaft, Fe<\/strong><\/td>\n<td><strong>Crom, Cr<\/strong><\/td>\n<td><strong>Cacbon, C<\/strong><\/td>\n<td><strong>Mangan, Mn<\/strong><\/td>\n<td><strong>Silic, Si<\/strong><\/td>\n<td><strong>Ph\u1ed1t pho, P<\/strong><\/td>\n<td><strong>L\u01b0u hu\u1ef3nh, S<\/strong><\/td>\n<td><strong>Niken, Ni<\/strong><\/td>\n<td><strong>Molypden, Mo<\/strong><\/td>\n<\/tr>\n<tr>\n<td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td>\n<td>10.5-30%<\/td>\n<td>\u2264 0,12%<\/td>\n<td>\u2264 1,00%<\/td>\n<td>\u2264 1,00%<\/td>\n<td>\u2264 0,040%<\/td>\n<td>\u2264 0,030%<\/td>\n<td>\u2264 0,50%<\/td>\n<td>\u2264 1,00%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Ferritic<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>3 \u0111\u1eb7c \u0111i\u1ec3m sau \u0111\u00e2y l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 ferritic.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong>:Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng clorua, do c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom 11-30%.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>T\u1eeb t\u00ednh<\/strong>:N\u00f3 c\u00f3 t\u00ednh t\u1eeb, kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 austenit, khi\u1ebfn n\u00f3 h\u1eefu \u00edch trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t c\u1ea3m \u1ee9ng.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh<\/strong>: C\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh t\u1ed1t, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u00e9p cacbon, l\u00fd t\u01b0\u1edfng cho c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y g\u1eafn li\u1ec1n v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc, v\u1eadt l\u00fd v\u00e0 c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 ferritic, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 chi ti\u1ebft nh\u1eefng \u0111i\u1ec1u n\u00e0y.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Ferritic li\u00ean quan \u0111\u1ebfn h\u00e0nh vi c\u1ee7a n\u00f3 trong m\u00f4i tr\u01b0\u1eddng h\u00f3a h\u1ecdc, \u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 oxy h\u00f3a, v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t ch\u00ednh l\u00e0:<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:table {\"hasFixedLayout\":false} --><\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td><strong>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/strong><\/td>\n<td><strong>Hi\u1ec7u su\u1ea5t<\/strong><\/td>\n<td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ed1ng \u0103n m\u00f2n<\/td>\n<td>Ph\u1ea3n \u1ee9ng nh\u1eb9.<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 \u0103n m\u00f2n t\u1ed1t.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t li\u00ean quan \u0111\u1ebfn \u1ee9ng su\u1ea5t (SCC)<\/td>\n<td>Ph\u1ea3n \u1ee9ng r\u1ea5t th\u1ea5p.<\/td>\n<td>C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu cao h\u01a1n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenit, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng clorua.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee5c b\u1ed9 v\u00e0 \u0103n m\u00f2n khe h\u1edf<\/td>\n<td>Ph\u1ea3n \u1ee9ng v\u1eeba ph\u1ea3i.<\/td>\n<td>C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu trung b\u00ecnh trong m\u00f4i tr\u01b0\u1eddng clorua.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 gi\u00f2n do hydro th\u1ea5p<\/td>\n<td>Ph\u1ea3n \u1ee9ng t\u1ed1i thi\u1ec3u.<\/td>\n<td>\u0110\u1ed9 nh\u1ea1y th\u1ea5p h\u01a1n, th\u00edch h\u1ee3p khi ti\u1ebfp x\u00fac v\u1edbi hydro.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc<\/td>\n<td>Kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng.<\/td>\n<td>\u1ed4n \u0111\u1ecbnh trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t kh\u00e1c nhau.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a<\/td>\n<td>Kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng.<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 cao \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>C\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Ferritic l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 l\u1ef1a ch\u1ecdn n\u00f3 cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng trong k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng t\u1eeb t\u00ednh. Ti\u1ebfp theo, vui l\u00f2ng xem x\u00e9t c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd quan tr\u1ecdng trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:table {\"hasFixedLayout\":false} --><\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td><strong>T\u00e0i s\u1ea3n v\u1eadt l\u00fd<\/strong><\/td>\n<td><strong>Gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3<\/strong><\/td>\n<td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td>\n<\/tr>\n<tr>\n<td>T\u1ec9 tr\u1ecdng<\/td>\n<td>7,7-8,1 g\/cm\u00b3<\/td>\n<td>M\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i cao, mang l\u1ea1i s\u1ef1 \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td>\n<td>16-25 W\/m\u00b7K<\/td>\n<td>Kh\u1ea3 n\u0103ng truy\u1ec1n nhi\u1ec7t t\u1ed1t, th\u00edch h\u1ee3p cho m\u1ee5c \u0111\u00edch trao \u0111\u1ed5i nhi\u1ec7t.<\/td>\n<\/tr>\n<tr>\n<td>S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/td>\n<td>10-12 \u00b5m\/m\u00b7K<\/td>\n<td>\u0110\u1ed9 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t th\u1ea5p h\u01a1n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenit, gi\u00fap gi\u1ea3m nguy c\u01a1 bi\u1ebfn d\u1ea1ng v\u00ec nhi\u1ec7t.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td>\n<td>L\u00ean \u0111\u1ebfn 800\u00b0C<\/td>\n<td>Gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1ed1ng g\u1ec9 \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n tr\u1edf su\u1ea5t<\/td>\n<td>600-750 n\u03a9\u00b7m<\/td>\n<td>\u0110i\u1ec7n tr\u1edf v\u1eeba ph\u1ea3i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u1ea7n \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 t\u1eeb th\u1ea9m<\/td>\n<td>500-2000 gi\u1edd\/ph\u00fat<\/td>\n<td>\u0110\u1ed9 t\u1eeb th\u1ea9m cao, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1eeb t\u00ednh.<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td>\n<td>1425-1510\u00b0C<\/td>\n<td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y cao, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>C\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Ferritic quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh c\u1ee7a n\u00f3 trong c\u00e1c \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng. Vui l\u00f2ng \u0111\u1ecdc b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 bi\u1ebft c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc ch\u00ednh:<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:table {\"hasFixedLayout\":false} --><\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td><strong>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/strong><\/td>\n<td><strong>Gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3<\/strong><\/td>\n<td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td>\n<td>400-600MPa<\/td>\n<td>L\u1ef1c l\u1edbn nh\u1ea5t m\u00e0 n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c khi b\u1ecb k\u00e9o c\u0103ng ho\u1eb7c k\u00e9o d\u00e0i.<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td>\n<td>250-450MPa<\/td>\n<td>\u00c1p l\u1ef1c khi\u1ebfn v\u1eadt th\u1ec3 b\u1eaft \u0111\u1ea7u thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng v\u0129nh vi\u1ec5n.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td>\n<td>20-30%<\/td>\n<td>Kh\u1ea3 n\u0103ng k\u00e9o gi\u00e3n tr\u01b0\u1edbc khi \u0111\u1ee9t.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 c\u1ee9ng<\/td>\n<td>150-200 HB<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00f5m ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc.<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td>\n<td>200 GPa<\/td>\n<td>T\u1ef7 s\u1ed1 gi\u1eefa l\u1ef1c v\u00e0 \u0111\u1ed9 gi\u00e3n trong bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c va \u0111\u1eadp.<\/td>\n<\/tr>\n<tr>\n<td>T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh<\/td>\n<td>Cao<\/td>\n<td>C\u00f3 t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh m\u1ea1nh, th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1eeb t\u00ednh.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh<\/td>\n<td>T\u1ed1t<\/td>\n<td>D\u1ec5 d\u00e0ng t\u1ea1o th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng h\u00e0n<\/td>\n<td>T\u1ed1t<\/td>\n<td>C\u00f3 th\u1ec3 h\u00e0n m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u01b0 h\u1ecfng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng tu\u1ea7n ho\u00e0n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>B\u1ea1n mu\u1ed1n bi\u1ebft v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a th\u00e9p austenit? Vui l\u00f2ng \u0111\u1ecdc ph\u1ea7n n\u00e0y<a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/austenitic\/\">\u00a0<\/a><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/austenitic\/\" target=\"_blank\" rel=\"noopener\">b\u00e0i vi\u1ebft t\u1ed5ng quan v\u1ec1 austenit<\/a>.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">X\u1eed l\u00fd th\u00e9p kh\u00f4ng g\u1ec9 Ferritic<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 austenitic, martensitic, duplex v\u00e0 k\u1ebft t\u1ee7a, th\u00e9p kh\u00f4ng g\u1ec9 ferritic \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u1eed l\u00fd c\u1ee5 th\u1ec3 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd \u0111\u1ed9c \u0111\u00e1o n\u00e0y v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ea7n l\u01b0u \u00fd.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">1. H\u00ecnh th\u00e0nh<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic b\u1eaft \u0111\u1ea7u b\u1eb1ng qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y v\u00e0 \u0111\u00fac \u0111\u01a1n gi\u1ea3n. Sau \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh d\u1ec5 d\u00e0ng, gi\u1ed1ng nh\u01b0 th\u00e9p cacbon. Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 austenit, th\u00e9p ferritic kh\u00f4ng c\u1ee9ng \u0111\u00e1ng k\u1ec3 trong qu\u00e1 tr\u00ecnh \u0111\u1ecbnh h\u00ecnh, do \u0111\u00f3 kh\u00f4ng c\u1ea7n \u1ee7 th\u01b0\u1eddng xuy\u00ean.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">2. X\u1eed l\u00fd nhi\u1ec7t<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 ferit th\u01b0\u1eddng tr\u1ea3i qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd dung d\u1ecbch v\u00e0 \u1ee7 \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo. Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p martensitic, th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed thay v\u00ec l\u00e0m ngu\u1ed9i. Th\u00e9p n\u00e0y kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c gia c\u01b0\u1eddng b\u1eb1ng c\u00e1ch nung n\u00f3ng nh\u01b0 th\u00e9p t\u00f4i k\u1ebft t\u1ee7a.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>C\u1ea7n ph\u1ea3i c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng gi\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 475\u00b0C, hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra khi ti\u1ebfp x\u00fac l\u00e2u d\u00e0i, d\u1eabn \u0111\u1ebfn gi\u1ea3m \u0111\u1ed9 d\u1ebbo dai.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">3. C\u00e1n ngu\u1ed9i<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 ferritic c\u00e1n ngu\u1ed9i gi\u00fap duy tr\u00ec t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh c\u1ee7a n\u00f3, kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p austenitic, c\u00f3 th\u1ec3 m\u1ea5t t\u1eeb t\u00ednh trong qu\u00e1 tr\u00ecnh n\u00e0y. \u0110\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p ferritic t\u0103ng \u0111\u00e1ng k\u1ec3 sau khi c\u00e1n ngu\u1ed9i.\u00a0<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Tuy nhi\u00ean, kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh c\u1ee7a n\u00f3 t\u01b0\u01a1ng \u0111\u1ed1i k\u00e9m, d\u1ec5 b\u1ecb nh\u0103n v\u00e0 bi\u1ebfn d\u1ea1ng trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u1ea1o h\u00ecnh t\u1ed1t, c\u00e1c th\u00f4ng s\u1ed1 c\u00e1n nh\u01b0 \u0111\u1ed9 gi\u1ea3m v\u00e0 t\u1ed1c \u0111\u1ed9 c\u00e1n ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">4. Gia c\u00f4ng<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>L\u00e0m vi\u1ec7c v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 ferritic th\u01b0\u1eddng d\u1ec5 h\u01a1n l\u00e0m vi\u1ec7c v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenitic. Th\u00e9p kh\u00f4ng g\u1ec9 ferritic \u00edt b\u1ecb m\u00e0i m\u00f2n h\u01a1n, gi\u00fap d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n \u0111\u1ed1i v\u1edbi nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng gia c\u00f4ng kh\u00e1c nhau. C\u1ea5u tr\u00fac vi m\u00f4 \u1ed5n \u0111\u1ecbnh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 ferritic g\u00f3p ph\u1ea7n v\u00e0o hi\u1ec7u su\u1ea5t gia c\u00f4ng nh\u1ea5t qu\u00e1n.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">5. H\u00e0n<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>H\u00e0n th\u00e9p kh\u00f4ng g\u1ec9 ferritic c\u1ea7n c\u1ea9n th\u1eadn \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ea1t v\u00e0 \u0111\u1ed9 gi\u00f2n. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn bao g\u1ed3m h\u00e0n TIG, MIG v\u00e0 h\u00e0n \u0111i\u1ec3m. Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p austenitic, th\u00e9p ferritic c\u00f3 th\u1ec3 c\u1ea7n x\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n \u0111\u1ec3 ph\u1ee5c h\u1ed3i \u0111\u1ed9 d\u1ebbo dai.\u00a0<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>\u0110\u1ed9 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p h\u01a1n gi\u00fap gi\u1ea3m bi\u1ebfn d\u1ea1ng h\u00e0n. \u0110\u1ec3 ng\u0103n ng\u1eeba nh\u1ea1y c\u1ea3m, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i h\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n v\u00e0 gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u1ea7u v\u00e0o.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">Chuy\u1ec3n \u0111\u1ed5i pha c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Ferritic<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>S\u1ef1 bi\u1ebfn \u0111\u1ed5i pha trong th\u00e9p kh\u00f4ng g\u1ec9 ferritic, quan tr\u1ecdng trong h\u00e0n v\u00e0 x\u1eed l\u00fd nhi\u1ec7t, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi th\u00e0nh ph\u1ea7n h\u1ee3p kim c\u1ee7a n\u00f3, \u0111\u1eb7c bi\u1ec7t l\u00e0 crom v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c. Ph\u1ea7n n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c kh\u00eda c\u1ea1nh ch\u00ednh c\u1ee7a nh\u1eefng bi\u1ebfn \u0111\u1ed5i n\u00e0y.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">Pha Ferrite \u1ed5n \u0111\u1ecbnh:<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 ferit ch\u1ee7 y\u1ebfu v\u1eabn \u1edf d\u1ea1ng ferit l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC). D\u1ea1ng n\u00e0y \u1ed5n \u0111\u1ecbnh t\u1eeb nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng \u0111\u1ebfn kho\u1ea3ng 912\u00b0C.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">H\u00e0m l\u01b0\u1ee3ng Crom v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh pha:<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>H\u00e0m l\u01b0\u1ee3ng Crom cao (11-30%)<\/strong>:Th\u00e9p th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00e1c pha kh\u00e1c, ngay c\u1ea3 \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha<\/strong>:<!-- wp:list --><br \/>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li>Th\u00f4ng th\u01b0\u1eddng x\u1ea3y ra \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 950\u00b0C.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li>\u1ede nhi\u1ec7t \u0111\u1ed9 n\u00e0y, ferit c\u00f3 th\u1ec3 bi\u1ebfn th\u00e0nh austenit, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 h\u1ee3p kim nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">T\u00e1c d\u1ee5ng c\u1ee7a h\u00e0m l\u01b0\u1ee3ng Crom:<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Kho\u1ea3ng 13% Crom<\/strong>:Th\u00e9p chuy\u1ec3n t\u1eeb ferit sang austenit v\u00e0 ng\u01b0\u1ee3c l\u1ea1i th\u00e0nh ferit khi ngu\u1ed9i.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>L\u00e0m m\u00e1t nhanh v\u1edbi Carbon<\/strong>:\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh martensit, sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f4i luy\u1ec7n l\u1ea1i th\u00e0nh ferit.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Tr\u00ean 17% Crom<\/strong>:Th\u00e9p v\u1eabn duy tr\u00ec tr\u1ea1ng th\u00e1i ferritic \u1edf m\u1ecdi nhi\u1ec7t \u0111\u1ed9.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Tr\u00ean 25% Crom<\/strong>: Pha \u03c3 c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng gi\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">Nh\u1ea1y c\u1ea3m trong th\u00e9p kh\u00f4ng g\u1ec9 Ferritic<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Nh\u1ea1y c\u1ea3m x\u1ea3y ra khi th\u00e9p kh\u00f4ng g\u1ec9 ferritic ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1eeb 450\u00b0C \u0111\u1ebfn 850\u00b0C. Trong ph\u1ea1m vi n\u00e0y, crom cacbua h\u00ecnh th\u00e0nh \u1edf ranh gi\u1edbi h\u1ea1t, l\u00e0m gi\u1ea3m crom v\u00e0 d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho th\u00e9p d\u1ec5 b\u1ecb \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t h\u01a1n. \u0110\u1ec3 ng\u0103n ng\u1eeba \u0111i\u1ec1u n\u00e0y, c\u1ea7n ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ea9n th\u1eadn trong qu\u00e1 tr\u00ecnh h\u00e0n v\u00e0 x\u1eed l\u00fd nhi\u1ec7t.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Ferritic l\u00e0 g\u00ec?<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>M\u1eb7c d\u00f9 th\u00e9p kh\u00f4ng g\u1ec9 ferritic c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang bi\u1ec7t khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh do c\u00e1c \u0111\u1eb7c t\u00ednh v\u1ed1n c\u00f3 c\u1ee7a n\u00f3. Nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft th\u00f4ng qua nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau. Hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Ferritic<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong>:Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 \u0103n m\u00f2n t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u00f4n h\u00f2a.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh<\/strong>:N\u00f3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh, c\u00f3 th\u1ec3 c\u00f3 l\u1ee3i trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng nh\u01b0 gia nhi\u1ec7t c\u1ea3m \u1ee9ng.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh<\/strong>: D\u1ec5 t\u1ea1o h\u00ecnh v\u00e0 c\u00f3 th\u1ec3 gia c\u00f4ng nh\u01b0 th\u00e9p cacbon, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n<\/strong>:Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng cao, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong>:Th\u00f4ng th\u01b0\u1eddng, gi\u00e1 th\u00e0nh c\u1ee7a lo\u1ea1i th\u00e9p n\u00e0y th\u1ea5p h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 austenit v\u00ec chi ph\u00ed h\u1ee3p kim th\u1ea5p h\u01a1n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/ul>\n<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 b\u1ec1n th\u1ea5p h\u01a1n<\/strong>: Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic c\u00f3 th\u1ec3 k\u00e9m b\u1ec1n h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n. C\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n b\u1eb1ng c\u00e1c lo\u1ea1i h\u1ee3p kim ho\u1eb7c x\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec7t h\u1ea1n ch\u1ebf<\/strong>: Kh\u00f4ng th\u1ec3 x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n. C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 th\u00e9p austenit ho\u1eb7c th\u00e9p martensitic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 v\u1eady.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>D\u1ec5 b\u1ecb nh\u1ea1y c\u1ea3m<\/strong>: N\u00f3 c\u00f3 th\u1ec3 tr\u1edf n\u00ean nh\u1ea1y c\u1ea3m \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3. Tr\u00e1nh nh\u1eefng nhi\u1ec7t \u0111\u1ed9 n\u00e0y v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 l\u00e0m n\u00f3ng v\u00e0 l\u00e0m m\u00e1t c\u1ea9n th\u1eadn.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<ul class=\"wp-block-list\">\n<li style=\"list-style-type: none;\">\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng h\u00e0n<\/strong>: Vi\u1ec7c h\u00e0n c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n do kh\u1ea3 n\u0103ng gi\u00f2n. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p h\u00e0n ph\u00f9 h\u1ee3p v\u00e0 \u00e1p d\u1ee5ng x\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n \u0111\u1ec3 x\u1eed l\u00fd nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- \/wp:list --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 Ferritic ph\u1ed5 bi\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic bao g\u1ed3m nhi\u1ec1u lo\u1ea1i, m\u1ed7i lo\u1ea1i c\u00f3 nh\u1eefng \u0111\u1eb7c t\u00ednh ri\u00eang cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i n\u00e0y v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang gi\u00fap l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho c\u00e1c nhu c\u1ea7u kh\u00e1c nhau.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:table {\"hasFixedLayout\":false} --><\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td><strong>C\u1ea5p th\u00e9p Ferritic<\/strong><\/td>\n<td><strong>Khu v\u1ef1c \u1ee9ng d\u1ee5ng<\/strong><\/td>\n<td><strong>\u1ee8ng d\u1ee5ng c\u1ee5 th\u1ec3<\/strong><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-304\/\">304<\/a><\/td>\n<td>S\u1eed d\u1ee5ng chung<\/td>\n<td>Thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp, trang tr\u00ed \u00f4 t\u00f4, \u0111\u1ed3 gia d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>430<\/td>\n<td>Thi\u1ebft b\u1ecb gia d\u1ee5ng<\/td>\n<td>N\u1ed9i th\u1ea5t m\u00e1y r\u1eeda ch\u00e9n, l\u1edbp l\u00f3t l\u00f2 n\u01b0\u1edbng, b\u1ed3n r\u1eeda nh\u00e0 b\u1ebfp<\/td>\n<\/tr>\n<tr>\n<td>446<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 cao<\/td>\n<td>Linh ki\u1ec7n l\u00f2, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, h\u1ec7 th\u1ed1ng x\u1ea3<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-409\/\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"post\" data-id=\"10290\">409<\/a><\/td>\n<td>\u00d4 t\u00f4<\/td>\n<td>H\u1ec7 th\u1ed1ng x\u1ea3, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c, trang tr\u00ed \u00f4 t\u00f4<\/td>\n<\/tr>\n<tr>\n<td>444<\/td>\n<td>M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n<\/td>\n<td>Thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t, \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i<\/td>\n<\/tr>\n<tr>\n<td>409L<\/td>\n<td>\u00d4 t\u00f4 &amp; C\u00f4ng nghi\u1ec7p<\/td>\n<td>H\u1ec7 th\u1ed1ng x\u1ea3, linh ki\u1ec7n \u00f4 t\u00f4, m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p<\/td>\n<\/tr>\n<tr>\n<td>430F<\/td>\n<td>Gia c\u00f4ng<\/td>\n<td>Tr\u1ee5c ch\u00ednh x\u00e1c, \u1ed1c v\u00edt, bu l\u00f4ng v\u00e0 c\u00e1c lo\u1ea1i \u1ed1c v\u00edt kh\u00e1c<\/td>\n<\/tr>\n<tr>\n<td>441<\/td>\n<td>\u00d4 t\u00f4 &amp; H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td>\n<td>H\u1ec7 th\u1ed1ng x\u1ea3, linh ki\u1ec7n \u0111\u1ed9ng c\u01a1, \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">Nh\u1eefng g\u00ec b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 quan t\u00e2m<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>\u1ede \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c v\u00e0 nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p \u0111\u1ec3 gi\u00fap b\u1ea1n \u0111\u01b0a ra l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 ferritic.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00e9p kh\u00f4ng g\u1ec9 Ferritic?<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft b\u1eb1ng c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh v\u00e0 s\u1ef1 s\u1eafp x\u1ebfp tinh th\u1ec3 l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC) c\u1ee7a n\u00f3. N\u00f3 th\u01b0\u1eddng ch\u1ee9a crom v\u00e0 \u00edt niken h\u01a1n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenitic.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 d\u00f2ng 400 c\u00f3 ph\u1ea3i l\u00e0 th\u00e9p Ferritic kh\u00f4ng?<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 400 th\u01b0\u1eddng l\u00e0 lo\u1ea1i ferritic. C\u00e1c lo\u1ea1i nh\u01b0 409 v\u00e0 430 l\u00e0 v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 ferritic.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 d\u00f2ng 300 c\u00f3 ph\u1ea3i l\u00e0 th\u00e9p Ferritic kh\u00f4ng?<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Kh\u00f4ng, <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/300-series\/\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"post\" data-id=\"9353\">Th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 300<\/a>ch\u1ee7 y\u1ebfu l\u00e0 austenit. Ch\u00fang ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng niken v\u00e0 crom cao h\u01a1n, t\u1ea1o n\u00ean c\u1ea5u tr\u00fac austenit thay v\u00ec ferritic.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 Ferritic v\u00e0 Austenitic l\u00e0 g\u00ec?<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic c\u00f3 c\u1ea5u tr\u00fac l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC), c\u00f3 t\u1eeb t\u00ednh v\u00e0 c\u00f3 h\u00e0m l\u01b0\u1ee3ng niken th\u1ea5p h\u01a1n.\u00a0<a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/austenitic\/\" target=\"_blank\" rel=\"noopener\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenit<\/a>\u00a0c\u00f3 c\u1ea5u tr\u00fac l\u1eadp ph\u01b0\u01a1ng t\u00e2m m\u1eb7t (FCC), kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh v\u00e0 ch\u1ee9a nhi\u1ec1u niken v\u00e0 crom h\u01a1n.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">Ferrite c\u00f3 m\u1ea1nh h\u01a1n Austenite kh\u00f4ng?<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic th\u01b0\u1eddng k\u00e9m b\u1ec1n h\u01a1n th\u00e9p austenitic nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t do \u0103n m\u00f2n \u1ee9ng su\u1ea5t t\u1ed1t h\u01a1n. Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai cao h\u01a1n.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading --><\/p>\n<h2 class=\"wp-block-heading\">T\u00f3m t\u1eaft &amp; Th\u00eam n\u1eefa<\/h2>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn v\u1ec1 \u0111\u1ecbnh ngh\u0129a, th\u00e0nh ph\u1ea7n, t\u00ednh ch\u1ea5t, c\u1ea5p \u0111\u1ed9, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 ferritic. \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, 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>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p><a href=\"https:\/\/steelprogroup.com\/vi\">T\u1eadp \u0111o\u00e0n SteelPro<\/a> 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, 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 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng 100%. Ch\u00fang t\u00f4i cung c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/\">th\u00e9p kh\u00f4ng g\u1ec9<\/a> V\u00e0 <a href=\"https:\/\/steelprogroup.com\/vi\/steel-bar\/stainless-steels\/\">thanh th\u00e9p kh\u00f4ng g\u1ec9<\/a>, cam k\u1ebft ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi kh\u00e1ch h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i. Truy c\u1eadp trang web c\u1ee7a ch\u00fang t\u00f4i \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>\n<p><!-- \/wp:paragraph --><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u linh ho\u1ea1t \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 tuy\u1ec7t v\u1eddi v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1n l\u00e2u. N\u00f3 c\u00f3 nhi\u1ec1u lo\u1ea1i [\u2026]<\/p>","protected":false},"author":1,"featured_media":8331,"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":[4216,112],"tags":[],"class_list":["post-8334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-type","category-stainless-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/8334","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=8334"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/8334\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/8331"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=8334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=8334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=8334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}