{"id":1117,"date":"2025-09-29T00:33:41","date_gmt":"2025-09-28T17:33:41","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/inox-201-phan-tich-uu-nhuoc-diem-so-sanh-304-va-ung-dung-chuan\/"},"modified":"2025-09-29T00:33:41","modified_gmt":"2025-09-28T17:33:41","slug":"inox-201-phan-tich-uu-nhuoc-diem-so-sanh-304-va-ung-dung-chuan","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/inox-201-phan-tich-uu-nhuoc-diem-so-sanh-304-va-ung-dung-chuan\/","title":{"rendered":"Inox 201: Ph\u00e2n t\u00edch \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m, so s\u00e1nh 304 v\u00e0 \u1ee9ng d\u1ee5ng chu\u1ea9n"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-inox-201-la-gi-thanh-phan-tieu-chuan-nhan-dien\">Inox 201 l\u00e0 g\u00ec? Th\u00e0nh ph\u1ea7n, ti\u00eau chu\u1ea9n, nh\u1eadn di\u1ec7n<\/a><\/li>\n<li><a href=\"#toc-1-thuoc-tinh-co-ly-diem-manh-va-gioi-han\">Thu\u1ed9c t\u00ednh c\u01a1 l\u00fd: \u0111i\u1ec3m m\u1ea1nh v\u00e0 gi\u1edbi h\u1ea1n<\/a><\/li>\n<li><a href=\"#toc-2-kha-nang-chiu-an-mon-so-voi-304-va-430\">Kh\u1ea3 n\u0103ng ch\u1ecbu \u0103n m\u00f2n: so v\u1edbi 304 v\u00e0 430<\/a><\/li>\n<li><a href=\"#toc-3-uu-diem-cua-inox-201\">\u01afu \u0111i\u1ec3m c\u1ee7a inox 201<\/a><\/li>\n<li><a href=\"#toc-4-nhuoc-diem-cua-inox-201\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a inox 201<\/a><\/li>\n<li><a href=\"#toc-5-ung-dung-phu-hop-nhat-cua-inox-201\">\u1ee8ng d\u1ee5ng ph\u00f9 h\u1ee3p nh\u1ea5t c\u1ee7a inox 201<\/a><\/li>\n<li><a href=\"#toc-6-huong-dan-chon-mac-khi-nao-nen-chon-201-304-hay-31\">H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c: khi n\u00e0o n\u00ean ch\u1ecdn 201, 304 hay 316?<\/a><\/li>\n<li><a href=\"#toc-7-luu-y-gia-cong-han-va-hoan-thien-be-mat\">L\u01b0u \u00fd gia c\u00f4ng, h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-8-kiem-soat-chat-luong-tranh-nham-lan-mac\">Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng: tr\u00e1nh nh\u1ea7m l\u1eabn m\u00e1c<\/a><\/li>\n<li><a href=\"#toc-9-vi-du-thuc-te-va-khuyen-nghi-theo-vung\">V\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb theo v\u00f9ng<\/a><\/li>\n<li><a href=\"#toc-10-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-11-ket-luan-khi-nao-inox-201-la-lua-chon-dung\">K\u1ebft lu\u1eadn: Khi n\u00e0o inox 201 l\u00e0 l\u1ef1a ch\u1ecdn \u201c\u0111\u00fang\u201d?<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox 201 l\u00e0 m\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 ph\u1ed5 bi\u1ebfn trong nh\u00f3m austenitic Cr\u2013Mn\u2013Ni, \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn nhi\u1ec1u t\u1ea1i Vi\u1ec7t Nam nh\u1edd chi ph\u00ed th\u1ea5p. B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch \u01b0u, nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 ch\u1ec9 r\u00f5 nh\u1eefng \u1ee9ng d\u1ee5ng ph\u00f9 h\u1ee3p nh\u1ea5t cho k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u, ch\u1ee7 x\u01b0\u1edfng \u2013 \u0111\u1eb7t inox 201 v\u00e0o \u0111\u00fang v\u1ecb tr\u00ed trong b\u1ee9c tranh t\u1ed5ng th\u1ec3 c\u00e1c m\u00e1c inox ph\u1ed5 bi\u1ebfn.<\/p>\n<h2 id=\"toc-0-inox-201-la-gi-thanh-phan-tieu-chuan-nhan-dien\">Inox 201 l\u00e0 g\u00ec? Th\u00e0nh ph\u1ea7n, ti\u00eau chu\u1ea9n, nh\u1eadn di\u1ec7n<\/h2>\n<p>&#8211; Nh\u00f3m: Austenitic, thay m\u1ed9t ph\u1ea7n Ni b\u1eb1ng Mn v\u00e0 N \u0111\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh.<br \/>\n&#8211; Th\u00e0nh ph\u1ea7n \u0111i\u1ec3n h\u00ecnh (ASTM A240 Type 201):<br \/>\n  &#8211; C \u2264 0.15%; Mn 5.5\u20137.5%; Si \u2264 1.0%; P \u2264 0.060%; S \u2264 0.030%<br \/>\n  &#8211; Cr 16.0\u201318.0%; Ni 3.5\u20135.5%; N \u2264 0.25%<br \/>\n&#8211; T\u01b0\u01a1ng \u0111\u01b0\u01a1ng: JIS SUS201; EN 1.4372 (X12CrMnNiN17-7-5).<br \/>\n&#8211; D\u1ea1ng h\u00e0ng: t\u1ea5m\/cu\u1ed9n (ASTM A240\/A666), \u1ed1ng\/h\u1ed9p trang tr\u00ed (ASTM A554), d\u00e2y, thanh.<br \/>\n&#8211; T\u1eeb t\u00ednh: kh\u00f4ng nhi\u1ec5m t\u1eeb \u1edf tr\u1ea1ng th\u00e1i \u1ee7; c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb sau c\u00e1n ngu\u1ed9i\/\u0111\u1ecbnh h\u00ecnh (\u0111\u1eebng d\u00f9ng nam ch\u00e2m \u0111\u1ec3 ph\u00e2n bi\u1ec7t v\u1edbi 304).<\/p>\n<h2 id=\"toc-1-thuoc-tinh-co-ly-diem-manh-va-gioi-han\">Thu\u1ed9c t\u00ednh c\u01a1 l\u00fd: \u0111i\u1ec3m m\u1ea1nh v\u00e0 gi\u1edbi h\u1ea1n<\/h2>\n<p>&#8211; C\u01a1 t\u00ednh (tr\u1ea1ng th\u00e1i \u1ee7 \u2013 tham chi\u1ebfu ASTM A666, gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u):<br \/>\n  &#8211; \u0110\u1ed9 b\u1ec1n k\u00e9o \u2265 515 MPa; gi\u1edbi h\u1ea1n ch\u1ea3y \u2265 275 MPa; gi\u00e3n d\u00e0i \u2265 40%.<br \/>\n  &#8211; Gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf th\u01b0\u1eddng cao h\u01a1n: TS ~ 620\u2013780 MPa; YS ~ 300\u2013380 MPa.<br \/>\n&#8211; \u0110\u1ed9 c\u1ee9ng: kho\u1ea3ng HRB \u2264 95 (t\u1ed1i \u0111a danh ngh\u0129a).<br \/>\n&#8211; \u0110\u1ed9 d\u1ebbo v\u00e0 kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh: t\u1ed1t, nh\u01b0ng t\u1ed1c \u0111\u1ed9 h\u00f3a b\u1ec1n ngu\u1ed9i cao h\u01a1n 304 \u2192 c\u1ea7n l\u1ef1c d\u1eadp l\u1edbn h\u01a1n, b\u00e1n k\u00ednh u\u1ed1n n\u00ean \u2265 1.5t \u0111\u1ec3 h\u1ea1n ch\u1ebf r\u1ea1n n\u1ee9t khi s\u00e2u d\u1eadp.<br \/>\n&#8211; H\u00e0n: h\u00e0n t\u1ed1t v\u1edbi TIG\/MIG\/\u0111i\u1ec7n tr\u1edf; \u01b0u ti\u00ean m\u00e1c 201L (C th\u1ea5p) n\u1ebfu c\u00f3 nhi\u1ec1u m\u1ed1i h\u00e0n. Que\/kim h\u00e0n khuy\u1ebfn ngh\u1ecb: ER308L ho\u1eb7c ER201\/ER201L (khi c\u1ea7n matching). Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ea7u v\u00e0o, l\u00e0m s\u1ea1ch, pickling &#038; passivation sau h\u00e0n \u0111\u1ec3 ph\u1ee5c h\u1ed3i th\u1ee5 \u0111\u1ed9ng.<br \/>\n&#8211; Nhi\u1ec7t: ch\u1ecbu oxy h\u00f3a kh\u00f4ng li\u00ean t\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 cao t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304 trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng kh\u1eed; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho m\u00f4i tr\u01b0\u1eddng ch\u1ee9a l\u01b0u hu\u1ef3nh\/kh\u1eed \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<h2 id=\"toc-2-kha-nang-chiu-an-mon-so-voi-304-va-430\">Kh\u1ea3 n\u0103ng ch\u1ecbu \u0103n m\u00f2n: so v\u1edbi 304 v\u00e0 430<\/h2>\n<p>&#8211; Trong nh\u00e0, m\u00f4i tr\u01b0\u1eddng kh\u00f4, \u00edt chloride: 201 cho hi\u1ec7u qu\u1ea3 t\u1ed1t, \u00edt \u201c\u1ed1 tr\u00e0\u201d khi v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi n\u1ed9i \u0111\u1ecba (kh\u00f4ng ven bi\u1ec3n), m\u01b0a axit nh\u1eb9: d\u00f9ng \u0111\u01b0\u1ee3c cho h\u1ea1ng m\u1ee5c trang tr\u00ed, v\u1ecf che, lan can \u2013 c\u1ea7n thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc v\u00e0 b\u1ea3o tr\u00ec.<br \/>\n&#8211; Ven bi\u1ec3n\/halogen, h\u1ed3 b\u01a1i, th\u1ef1c ph\u1ea9m m\u1eb7n, h\u00f3a ch\u1ea5t: 201 k\u00e9m 304 r\u00f5 r\u1ec7t; d\u1ec5 r\u1ed7\/ch\u00e2m kim trong dung d\u1ecbch chloride, mu\u1ed1i b\u00e1m, n\u01b0\u1edbc \u0111\u1ecdng.<br \/>\n&#8211; So s\u00e1nh nhanh:<br \/>\n  &#8211; 201 vs 304: 201 r\u1ebb h\u01a1n ~25\u201340% t\u00f9y th\u1eddi \u0111i\u1ec3m; b\u1ec1n \u0103n m\u00f2n k\u00e9m h\u01a1n, \u0111\u1eb7c bi\u1ec7t v\u1edbi Cl\u2013\/axit; c\u1ee9ng v\u00e0 h\u00f3a b\u1ec1n ngu\u1ed9i nhanh h\u01a1n \u2192 kh\u00f3 d\u1eadp s\u00e2u h\u01a1n.<br \/>\n  &#8211; 201 vs 430 (ferritic): 201 ch\u1ed1ng \u0103n m\u00f2n v\u00e0 d\u1ebbo t\u1ed1t h\u01a1n 430; 430 l\u1ea1i r\u1ebb h\u01a1n, nhi\u1ec5m t\u1eeb, ph\u00f9 h\u1ee3p n\u1ed9i th\u1ea5t kh\u00f4.<\/p>\n<h2 id=\"toc-3-uu-diem-cua-inox-201\">\u01afu \u0111i\u1ec3m c\u1ee7a inox 201<\/h2>\n<p>&#8211; Chi ph\u00ed\/hi\u1ec7u n\u0103ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng \u00edt \u0103n m\u00f2n: ti\u1ebft ki\u1ec7m ng\u00e2n s\u00e1ch d\u1ef1 \u00e1n.<br \/>\n&#8211; \u0110\u1ed9 b\u1ec1n cao h\u01a1n 304 \u1edf c\u00f9ng tr\u1ea1ng th\u00e1i \u1ee7 (th\u1ef1c t\u1ebf): cho ph\u00e9p m\u1ecfng h\u00f3a t\u1ea5m\/\u1ed1ng \u1edf m\u1ed9t s\u1ed1 chi ti\u1ebft trang tr\u00ed.<br \/>\n&#8211; T\u1ea1o b\u1ec1 m\u1eb7t \u0111\u1eb9p: d\u1ec5 \u0111\u00e1nh b\u00f3ng g\u01b0\u01a1ng, hairline, No.4; ph\u00f9 h\u1ee3p n\u1ed9i th\u1ea5t \u2013 qu\u1ea3ng c\u00e1o.<br \/>\n&#8211; Ngu\u1ed3n cung phong ph\u00fa t\u1ea1i Vi\u1ec7t Nam: \u0111\u1ee7 d\u1ea1ng \u1ed1ng h\u1ed9p trang tr\u00ed, t\u1ea5m 2B\/BA\/HL.<\/p>\n<h2 id=\"toc-4-nhuoc-diem-cua-inox-201\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a inox 201<\/h2>\n<p>&#8211; \u0110\u1ed9 b\u1ec1n \u0103n m\u00f2n k\u00e9m h\u01a1n 304\/316: nh\u1ea1y r\u1ed7\/ch\u00e2m kim trong chloride, b\u00e1m mu\u1ed1i, \u1ea9m \u0111\u1ecdng.<br \/>\n&#8211; T\u1ea1o h\u00ecnh s\u00e2u d\u1eadp kh\u00f3 h\u01a1n 304 do h\u00f3a b\u1ec1n ngu\u1ed9i nhanh; r\u1ee7i ro n\u1ee9t m\u00e9p n\u1ebfu b\u00e1n k\u00ednh u\u1ed1n nh\u1ecf.<br \/>\n&#8211; Kh\u1ea3 n\u0103ng h\u00e0n y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t t\u1ed1t \u0111\u1ec3 tr\u00e1nh n\u1ee9t n\u00f3ng; c\u1ea7n x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng sau h\u00e0n.<br \/>\n&#8211; Kh\u00f4ng th\u00edch h\u1ee3p cho thi\u1ebft b\u1ecb h\u00f3a ch\u1ea5t, y t\u1ebf, m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, th\u1ef1c ph\u1ea9m m\u1eb7n\/axit.<\/p>\n<h2 id=\"toc-5-ung-dung-phu-hop-nhat-cua-inox-201\">\u1ee8ng d\u1ee5ng ph\u00f9 h\u1ee3p nh\u1ea5t c\u1ee7a inox 201<\/h2>\n<p>&#8211; N\u1ed9i th\u1ea5t \u2013 ki\u1ebfn tr\u00fac trong nh\u00e0: tay v\u1ecbn, lan can trong nh\u00e0, n\u1eb9p trang tr\u00ed, v\u00e1ch ng\u0103n, khung c\u1eeda, \u1ed1p thang m\u00e1y n\u1ed9i th\u1ea5t.<br \/>\n&#8211; Qu\u1ea3ng c\u00e1o \u2013 tr\u01b0ng b\u00e0y: ch\u1eef n\u1ed5i, b\u1ea3ng hi\u1ec7u, khung k\u1ec7.<br \/>\n&#8211; \u1ed0ng\/h\u1ed9p trang tr\u00ed: lan can, khung s\u01b0\u1eddn, gi\u00e0n k\u1ec7 trong kho kh\u00f4.<br \/>\n&#8211; V\u1ecf che m\u00e1y, t\u1ee7 \u0111i\u1ec7n trong nh\u00e0, m\u00e1ng c\u00e1p n\u1ed9i th\u1ea5t.<br \/>\n&#8211; \u0110\u1ed3 gia d\u1ee5ng kh\u00f4: gi\u00e1 k\u1ec7, ph\u1ee5 ki\u1ec7n b\u1ebfp n\u1ed9i th\u1ea5t kh\u00f4; l\u01b0u \u00fd tr\u00e1nh ti\u1ebfp x\u00fac mu\u1ed1i\/axit, lau kh\u00f4 sau d\u00f9ng.<br \/>\n&#8211; Ng\u00e0nh \u00f4 t\u00f4 \u2013 xe m\u00e1y: \u1ed1p trang tr\u00ed, n\u1eb9p, ph\u1ee5 ki\u1ec7n kh\u00f4ng ch\u1ecbu mu\u1ed1i \u0111\u01b0\u1eddng.<\/p>\n<p>Kh\u00f4ng khuy\u1ebfn ngh\u1ecb:<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi ven bi\u1ec3n, \u0111\u1ea3o, khu v\u1ef1c phun s\u01b0\u01a1ng m\u1eb7n; g\u1ea7n h\u1ed3 b\u01a1i d\u00f9ng chlorine.<br \/>\n&#8211; Thi\u1ebft b\u1ecb, \u0111\u01b0\u1eddng \u1ed1ng th\u1ef1c ph\u1ea9m, \u0111\u1ed3 b\u1ebfp chuy\u00ean nghi\u1ec7p, s\u1ea3n xu\u1ea5t \u0111\u1ed3 u\u1ed1ng\/thu\u1ed1c.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t, axit\/ki\u1ec1m m\u1ea1nh, x\u1eed l\u00fd n\u01b0\u1edbc bi\u1ec3n, m\u1ea1, gi\u1ea5y-b\u1ed9t gi\u1ea5y.<\/p>\n<h2 id=\"toc-6-huong-dan-chon-mac-khi-nao-nen-chon-201-304-hay-31\">H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c: khi n\u00e0o n\u00ean ch\u1ecdn 201, 304 hay 316?<\/h2>\n<p>&#8211; B\u01b0\u1edbc 1 \u2013 \u0110\u00e1nh gi\u00e1 m\u00f4i tr\u01b0\u1eddng:<br \/>\n  &#8211; Trong nh\u00e0, kh\u00f4, \u00edt b\u1ee5i b\u1ea9n mu\u1ed1i \u2192 201 \u0111\u1ee7.<br \/>\n  &#8211; Ngo\u00e0i tr\u1eddi n\u1ed9i \u0111\u1ecba (H\u00e0 N\u1ed9i, B\u1eafc Ninh\u2026 kh\u00f4ng s\u00e1t bi\u1ec3n), b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 \u2192 201 c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc; 304 an to\u00e0n h\u01a1n n\u1ebfu y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 l\u00e2u d\u00e0i.<br \/>\n  &#8211; Ven bi\u1ec3n, h\u1ed3 b\u01a1i, th\u1ef1c ph\u1ea9m m\u1eb7n \u2192 316 (ho\u1eb7c 304 v\u1edbi x\u1eed l\u00fd b\u1ed5 sung n\u1ebfu \u0111i\u1ec1u ki\u1ec7n cho ph\u00e9p).<br \/>\n&#8211; B\u01b0\u1edbc 2 \u2013 Y\u00eau c\u1ea7u tu\u1ed5i th\u1ecd\/th\u1ea9m m\u1ef9:<br \/>\n  &#8211; Y\u00eau c\u1ea7u >10 n\u0103m kh\u00f4ng \u1ed1 r\u1ec9 \u0111\u00e1ng k\u1ec3 ngo\u00e0i tr\u1eddi \u2192 304 t\u1ed1i thi\u1ec3u.<br \/>\n  &#8211; Ch\u1ea5p nh\u1eadn b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3, thay th\u1ebf c\u1ee5c b\u1ed9 \u2192 201 ti\u1ebft ki\u1ec7m.<br \/>\n&#8211; B\u01b0\u1edbc 3 \u2013 Ng\u00e2n s\u00e1ch:<br \/>\n  &#8211; 201 th\u01b0\u1eddng b\u1eb1ng kho\u1ea3ng 60\u201375% chi ph\u00ed 304 (ph\u1ee5 thu\u1ed9c gi\u00e1 Ni).<br \/>\n&#8211; B\u01b0\u1edbc 4 \u2013 Quy tr\u00ecnh ch\u1ebf t\u1ea1o:<br \/>\n  &#8211; D\u1eadp s\u00e2u\/\u0111\u1ecbnh h\u00ecnh ph\u1ee9c t\u1ea1p \u2192 304 thu\u1eadn l\u1ee3i h\u01a1n.<br \/>\n  &#8211; K\u1ebft c\u1ea5u h\u00e0n nhi\u1ec1u \u2192 \u01b0u ti\u00ean 201L\/304L, ch\u1ecdn v\u1eadt li\u1ec7u h\u00e0n \u0111\u00fang.<\/p>\n<h2 id=\"toc-7-luu-y-gia-cong-han-va-hoan-thien-be-mat\">L\u01b0u \u00fd gia c\u00f4ng, h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/h2>\n<h3>T\u1ea1o h\u00ecnh<\/h3>\n<p>&#8211; S\u1eed d\u1ee5ng b\u00e1n k\u00ednh u\u1ed1n n\u1ed9i \u2265 1.5 l\u1ea7n chi\u1ec1u d\u00e0y; b\u00f4i tr\u01a1n t\u1ed1t khi d\u1eadp.<br \/>\n&#8211; Tr\u00e1nh tr\u1ea7y x\u01b0\u1edbc b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi \u0111\u00e1nh b\u00f3ng\/HL; t\u00e1ch bi\u1ec7t d\u1ee5ng c\u1ee5 m\u00e0i v\u1edbi th\u00e9p carbon \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m s\u1eaft.<\/p>\n<h3>H\u00e0n<\/h3>\n<p>&#8211; L\u00e0m s\u1ea1ch m\u00e9p, ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ea7u v\u00e0o, tr\u00e1nh h\u1ed3 quang qu\u00e1 r\u1ed9ng.<br \/>\n&#8211; D\u00f9ng ER308L\/ER201L; ki\u1ec3m so\u00e1t ferrite 3\u201310% \u0111\u1ec3 h\u1ea1n ch\u1ebf n\u1ee9t n\u00f3ng.<br \/>\n&#8211; Pickling + passivation sau h\u00e0n \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1edbp th\u1ee5 \u0111\u1ed9ng; r\u1eeda s\u1ea1ch h\u00f3a ch\u1ea5t.<\/p>\n<h3>B\u1ec1 m\u1eb7t v\u00e0 b\u1ea3o tr\u00ec<\/h3>\n<p>&#8211; Ch\u1ecdn 2B\/BA cho s\u01a1n ph\u1ee7; No.4\/HL\/G\u01b0\u01a1ng cho trang tr\u00ed.<br \/>\n&#8211; V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 b\u1eb1ng dung d\u1ecbch trung t\u00ednh; tr\u00e1nh Javel\/clorine. R\u1eeda s\u1ea1ch mu\u1ed1i, b\u1ee5i c\u00f4ng tr\u00ecnh, lau kh\u00f4 b\u1ec1 m\u1eb7t.<br \/>\n&#8211; C\u00f3 th\u1ec3 ph\u1ee7 nano\/sealant b\u1ea3o v\u1ec7 \u1edf khu v\u1ef1c ngo\u1ea1i th\u1ea5t \u0111\u1ec3 gi\u1ea3m \u1ed1 tr\u00e0.<\/p>\n<h2 id=\"toc-8-kiem-soat-chat-luong-tranh-nham-lan-mac\">Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng: tr\u00e1nh nh\u1ea7m l\u1eabn m\u00e1c<\/h2>\n<p>&#8211; Y\u00eau c\u1ea7u \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u (MTC\/Mill Test Certificate) ghi r\u00f5 m\u00e1c, nhi\u1ec7t luy\u1ec7n, th\u00e0nh ph\u1ea7n.<br \/>\n&#8211; Ki\u1ec3m tra nhanh t\u1ea1i x\u01b0\u1edfng b\u1eb1ng s\u00fang quang ph\u1ed5 XRF \u0111\u1ec3 x\u00e1c nh\u1eadn Ni\/Mn\/Cr.<br \/>\n&#8211; Nam ch\u00e2m kh\u00f4ng ph\u1ea3i ti\u00eau ch\u00ed ph\u00e2n lo\u1ea1i 201\/304 v\u00ec c\u1ea3 hai c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb sau gia c\u00f4ng ngu\u1ed9i.<\/p>\n<h2 id=\"toc-9-vi-du-thuc-te-va-khuyen-nghi-theo-vung\">V\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb theo v\u00f9ng<\/h2>\n<p>&#8211; H\u00e0 N\u1ed9i v\u00e0 c\u00e1c t\u1ec9nh n\u1ed9i \u0111\u1ecba: tay v\u1ecbn, khung k\u1ec7, \u1ed1p trang tr\u00ed trong nh\u00e0 b\u1eb1ng 201 c\u00f3 th\u1ec3 \u0111\u1ea1t tu\u1ed5i th\u1ecd th\u1ea9m m\u1ef9 5\u201310 n\u0103m v\u1edbi v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3. Ngo\u00e0i tr\u1eddi n\u1ed9i \u0111\u1ecba, 201 d\u00f9ng \u0111\u01b0\u1ee3c cho h\u1ea1ng m\u1ee5c kh\u00f4ng y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 cao, song 304 b\u1ec1n h\u01a1n.<br \/>\n&#8211; H\u1ea3i Ph\u00f2ng, Qu\u1ea3ng Ninh, \u0110\u00e0 N\u1eb5ng, Nha Trang, V\u0169ng T\u00e0u: m\u00f4i tr\u01b0\u1eddng chloride cao \u2013 \u01b0u ti\u00ean 316 cho ngo\u1ea1i th\u1ea5t; 201 ch\u1ec9 n\u00ean d\u00f9ng trong nh\u00e0 kh\u00f4.<br \/>\n&#8211; Nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m, \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c: ch\u1ecdn 304\/316 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng v\u1ec7 sinh v\u00e0 ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n<h2 id=\"toc-10-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; Inox 201 c\u00f3 \u201cr\u1ec9\u201d kh\u00f4ng? Trong \u0111i\u1ec1u ki\u1ec7n c\u00f3 mu\u1ed1i\/cloride ho\u1eb7c n\u01b0\u1edbc \u0111\u1ecdng b\u1ea9n, 201 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n r\u1ed7\/\u1ed1 n\u00e2u. V\u1ec7 sinh \u0111\u00fang c\u00e1ch v\u00e0 ch\u1ecdn m\u00e1c ph\u00f9 h\u1ee3p s\u1ebd h\u1ea1n ch\u1ebf.<br \/>\n&#8211; 201 c\u00f3 d\u00f9ng cho b\u1ebfp \u0111\u01b0\u1ee3c kh\u00f4ng? Ph\u1ee5 ki\u1ec7n b\u1ebfp n\u1ed9i th\u1ea5t kh\u00f4 th\u00ec \u0111\u01b0\u1ee3c; nh\u01b0ng cho s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m\/ch\u1eadu r\u1eeda chuy\u00ean nghi\u1ec7p n\u00ean d\u00f9ng 304\/316.<br \/>\n&#8211; So v\u1edbi 304, 201 nh\u1eb9 h\u01a1n kh\u00f4ng? Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (~7.93 g\/cm\u00b3); ch\u00eanh l\u1ec7ch kh\u00f4ng \u0111\u00e1ng k\u1ec3. Ti\u1ebft ki\u1ec7m \u0111\u1ebfn t\u1eeb gi\u00e1 th\u00e0nh, kh\u00f4ng ph\u1ea3i kh\u1ed1i l\u01b0\u1ee3ng.<\/p>\n<h2 id=\"toc-11-ket-luan-khi-nao-inox-201-la-lua-chon-dung\">K\u1ebft lu\u1eadn: Khi n\u00e0o inox 201 l\u00e0 l\u1ef1a ch\u1ecdn \u201c\u0111\u00fang\u201d?<\/h2>\n<p>Inox 201 ph\u00e1t huy hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a \u1edf c\u00e1c h\u1ea1ng m\u1ee5c trang tr\u00ed \u2013 k\u1ebft c\u1ea5u nh\u1eb9 trong nh\u00e0, m\u00f4i tr\u01b0\u1eddng kh\u00f4, \u00edt chloride, khi m\u1ee5c ti\u00eau l\u00e0 t\u1ed1i \u01b0u chi ph\u00ed nh\u01b0ng v\u1eabn c\u1ea7n b\u1ec1 m\u1eb7t inox \u0111\u1eb9p v\u00e0 c\u01a1 t\u00ednh t\u1ed1t. H\u1ea1n ch\u1ebf l\u1edbn nh\u1ea5t l\u00e0 \u0111\u1ed9 b\u1ec1n \u0103n m\u00f2n k\u00e9m h\u01a1n 304\/316 trong m\u00f4i tr\u01b0\u1eddng mu\u1ed1i\/axit v\u00e0 \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t gia c\u00f4ng, b\u1ea3o tr\u00ec. Quy t\u1eafc ng\u1eafn g\u1ecdn:<br \/>\n&#8211; Trong nh\u00e0, kh\u00f4, ng\u00e2n s\u00e1ch nh\u1ea1y c\u1ea3m \u2192 201.<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi n\u1ed9i \u0111\u1ecba c\u1ea7n th\u1ea9m m\u1ef9 b\u1ec1n \u2192 304.<br \/>\n&#8211; Ven bi\u1ec3n, h\u00f3a ch\u1ea5t, h\u1ed3 b\u01a1i, th\u1ef1c ph\u1ea9m m\u1eb7n \u2192 316.<\/p>\n<p>Ch\u1ecdn \u0111\u00fang m\u00e1c ngay t\u1eeb \u0111\u1ea7u, tu\u00e2n th\u1ee7 gia c\u00f4ng \u2013 h\u00e0n \u2013 ho\u00e0n thi\u1ec7n chu\u1ea9n v\u00e0 duy tr\u00ec v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 s\u1ebd quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi c\u1ee7a c\u00f4ng tr\u00ecnh inox.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i th\u00edch r\u00f5 inox 201: th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, \u0111\u1ed9 b\u1ec1n \u0103n m\u00f2n, kh\u00e1c g\u00ec 304\/430, khi n\u00e0o n\u00ean d\u00f9ng. K\u00e8m h\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c, gia c\u00f4ng, b\u1ea3o tr\u00ec hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"author":7,"featured_media":1070,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=1117"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1117\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1070"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}