{"id":2524,"date":"2026-09-03T00:34:03","date_gmt":"2026-09-02T17:34:03","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/"},"modified":"2026-09-03T00:34:03","modified_gmt":"2026-09-02T17:34:03","slug":"inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/","title":{"rendered":"Inox 201: \u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng t\u1ed1i \u01b0u cho c\u00f4ng tr\u00ecnh"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2524&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0110\u00e1nh gi\u00e1&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Inox 201: \u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng t\u1ed1i \u01b0u cho c\u00f4ng tr\u00ecnh&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">\u0110\u00e1nh gi\u00e1<\/span>\n    <\/div>\n    <\/div>\n<div class=\"custom-toc\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Noi_dung_chinh\" >N\u1ed9i dung ch\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Tong_quan_ky_thuat_ve_inox_201\" >T\u1ed5ng quan k\u1ef9 thu\u1eadt v\u1ec1 inox 201<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Uu_diem_noi_bat_cua_inox_201\" >\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a inox 201<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Nhuoc_diem_va_rui_ro_khi_dung_inox_201\" >Nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 r\u1ee7i ro khi d\u00f9ng inox 201<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Do_ben_an_mon_dung_o_dau_la_an_toan\" >\u0110\u1ed9 b\u1ec1n \u0103n m\u00f2n: d\u00f9ng \u1edf \u0111\u00e2u l\u00e0 an to\u00e0n?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#So_sanh_nhanh_201_vs_304_vs_430_ung_dung_cong_trinh\" >So s\u00e1nh nhanh: 201 vs 304 vs 430 (\u1ee9ng d\u1ee5ng c\u00f4ng tr\u00ecnh)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Gia_cong_han_va_hoan_thien_be_mat\" >Gia c\u00f4ng, h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Gia_cong_nguoi\" >Gia c\u00f4ng ngu\u1ed9i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Han\" >H\u00e0n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Hoan_thien_be_mat\" >Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Kich_co_tieu_chuan_va_dang_hang_san\" >K\u00edch c\u1ee1, ti\u00eau chu\u1ea9n v\u00e0 d\u1ea1ng h\u00e0ng s\u1eb5n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Ung_dung_phu_hop_nhat_cua_inox_201\" >\u1ee8ng d\u1ee5ng ph\u00f9 h\u1ee3p nh\u1ea5t c\u1ee7a inox 201<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Nhung_noi_KHONG_nen_dung_inox_201\" >Nh\u1eefng n\u01a1i KH\u00d4NG n\u00ean d\u00f9ng inox 201<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Lam_the_nao_de_toi_uu_chi_phi_voi_inox_201\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed v\u1edbi inox 201?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Phan_biet_201_voi_304_kiem_tra_hien_truong\" >Ph\u00e2n bi\u1ec7t 201 v\u1edbi 304: ki\u1ec3m tra hi\u1ec7n tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Cau_hoi_thuong_gap_FAQ\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Nguon_tham_khao_chinh\" >Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/inox-201-uu-nhuoc-diem-va-ung-dung-toi-uu-cho-cong-trinh\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Noi_dung_chinh\"><\/span>N\u1ed9i dung ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"#toc-0-tong-quan-ky-thuat-ve-inox-201\">T\u1ed5ng quan k\u1ef9 thu\u1eadt v\u1ec1 inox 201<\/a><\/li>\n<li><a href=\"#toc-1-uu-diem-noi-bat-cua-inox-201\">\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a inox 201<\/a><\/li>\n<li><a href=\"#toc-2-nhuoc-diem-va-rui-ro-khi-dung-inox-201\">Nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 r\u1ee7i ro khi d\u00f9ng inox 201<\/a><\/li>\n<li><a href=\"#toc-3-do-ben-an-mon-dung-o-dau-la-an-toan\">\u0110\u1ed9 b\u1ec1n \u0103n m\u00f2n: d\u00f9ng \u1edf \u0111\u00e2u l\u00e0 an to\u00e0n?<\/a><\/li>\n<li><a href=\"#toc-4-so-sanh-nhanh-201-vs-304-vs-430-ung-dung-cong-trin\">So s\u00e1nh nhanh: 201 vs 304 vs 430 (\u1ee9ng d\u1ee5ng c\u00f4ng tr\u00ecnh)<\/a><\/li>\n<li><a href=\"#toc-5-gia-cong-han-va-hoan-thien-be-mat\">Gia c\u00f4ng, h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-6-kich-co-tieu-chuan-va-dang-hang-san\">K\u00edch c\u1ee1, ti\u00eau chu\u1ea9n v\u00e0 d\u1ea1ng h\u00e0ng s\u1eb5n<\/a><\/li>\n<li><a href=\"#toc-7-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-8-nhung-noi-khong-nen-dung-inox-201\">Nh\u1eefng n\u01a1i KH\u00d4NG n\u00ean d\u00f9ng inox 201<\/a><\/li>\n<li><a href=\"#toc-9-lam-the-nao-de-toi-uu-chi-phi-voi-inox-201\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed v\u1edbi inox 201?<\/a><\/li>\n<li><a href=\"#toc-10-phan-biet-201-voi-304-kiem-tra-hien-truong\">Ph\u00e2n bi\u1ec7t 201 v\u1edbi 304: ki\u1ec3m tra hi\u1ec7n tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-11-cau-hoi-thuong-gap-faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/a><\/li>\n<li><a href=\"#toc-12-nguon-tham-khao-chinh\">Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li>\n<li><a href=\"#toc-13-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox 201 l\u00e0 \u0111\u1ea1i di\u1ec7n ti\u00eau bi\u1ec3u c\u1ee7a d\u00f2ng th\u00e9p kh\u00f4ng g\u1ec9 \u201c200-series\u201d v\u1edbi \u01b0u th\u1ebf l\u1edbn v\u1ec1 chi ph\u00ed nh\u1edd h\u00e0m l\u01b0\u1ee3ng Niken th\u1ea5p. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho n\u1ed9i th\u1ea5t, trang tr\u00ed, gia d\u1ee5ng v\u00e0 m\u1ed9t s\u1ed1 k\u1ebft c\u1ea5u nh\u1eb9. B\u00e0i vi\u1ebft n\u00e0y \u0111i th\u1eb3ng v\u00e0o nh\u1eefng g\u00ec k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u v\u00e0 ch\u1ee7 x\u01b0\u1edfng c\u1ea7n: \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m th\u1ef1c t\u1ebf c\u1ee7a inox 201, c\u00e1ch d\u00f9ng \u0111\u00fang m\u00f4i tr\u01b0\u1eddng, so s\u00e1nh v\u1edbi 304\/430, c\u00f9ng khuy\u1ebfn ngh\u1ecb ch\u1ecdn mua \u2013 gia c\u00f4ng chu\u1ea9n k\u1ef9 thu\u1eadt.<\/p>\n<h2 id=\"toc-0-tong-quan-ky-thuat-ve-inox-201\"><span class=\"ez-toc-section\" id=\"Tong_quan_ky_thuat_ve_inox_201\"><\/span>T\u1ed5ng quan k\u1ef9 thu\u1eadt v\u1ec1 inox 201<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; K\u00fd hi\u1ec7u: AISI 201, UNS S20100, EN 1.4372 (c\u00e1c bi\u1ebfn th\u1ec3: 201L, 201LN).<br \/>\n&#8211; D\u1ea1ng s\u1ea3n ph\u1ea9m ph\u1ed5 bi\u1ebfn: t\u1ea5m\/coil (ASTM A240), \u1ed1ng c\u01a1 kh\u00ed h\u00e0n trang tr\u00ed (ASTM A554), d\u00e2y\/l\u00e1t c\u1eaft.<br \/>\n&#8211; Th\u00e0nh ph\u1ea7n \u0111i\u1ec3n h\u00ecnh (m\u00e1c 201): Cr 16.0\u201318.0%, Ni 3.5\u20135.5%, Mn 5.5\u20137.5%, C \u2264 0.15%, N \u2264 0.25%, Si \u2264 1.0%, P \u2264 0.060%, S \u2264 0.030%.<br \/>\n&#8211; T\u1ef7 tr\u1ecdng: ~7.93 g\/cm3. Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y: ~1400\u20131450\u00b0C.<br \/>\n&#8211; C\u01a1 t\u00ednh (\u1ee7 m\u1ec1m, tham kh\u1ea3o datasheet nh\u00e0 s\u1ea3n xu\u1ea5t):<br \/>\n  &#8211; \u0110\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i thi\u1ec3u (UTS): \u2248 515\u2013620 MPa<br \/>\n  &#8211; Gi\u1edbi h\u1ea1n ch\u1ea3y (0.2%): \u2248 275 MPa<br \/>\n  &#8211; \u0110\u1ed9 gi\u00e3n d\u00e0i: \u2248 40%<br \/>\n  &#8211; \u0110\u1ed9 c\u1ee9ng HB: \u2248 \u2264 183 (tr\u1ea1ng th\u00e1i \u1ee7)<br \/>\n&#8211; T\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng:<br \/>\n  &#8211; C\u1ea5u tr\u00fac austenit (kh\u00f4ng nhi\u1ec5m t\u1eeb \u1edf tr\u1ea1ng th\u00e1i \u1ee7), c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9 sau c\u00e1n ngu\u1ed9i.<br \/>\n  &#8211; T\u1ed1c \u0111\u1ed9 h\u00f3a b\u1ec1n bi\u1ebfn d\u1ea1ng cao h\u01a1n 304; \u0111\u1ed9 \u0111\u00e0n h\u1ed3i h\u1ed3i ph\u1ee5c l\u1edbn h\u01a1n khi u\u1ed1n.<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o: Nickel Institute \u2013 200-series stainless steels; Outokumpu Datasheet 201\/201L\/201LN; ASTM A240, ASTM A554.<\/p>\n<h2 id=\"toc-1-uu-diem-noi-bat-cua-inox-201\"><span class=\"ez-toc-section\" id=\"Uu_diem_noi_bat_cua_inox_201\"><\/span>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a inox 201<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; T\u1ed1i \u01b0u chi ph\u00ed: Do Ni th\u1ea5p (thay th\u1ebf b\u1eb1ng Mn v\u00e0 N), gi\u00e1 th\u01b0\u1eddng th\u1ea5p h\u01a1n 304 kho\u1ea3ng 15\u201340% t\u00f9y th\u1eddi \u0111i\u1ec3m th\u1ecb tr\u01b0\u1eddng niken.<br \/>\n&#8211; \u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc kh\u00e1: Gi\u1edbi h\u1ea1n ch\u1ea3y cao h\u01a1n 304 gi\u00fap 201 c\u1ee9ng v\u1eefng h\u01a1n trong m\u1ed9t s\u1ed1 k\u1ebft c\u1ea5u m\u1ecfng, h\u1ea1n ch\u1ebf m\u00f3p.<br \/>\n&#8211; Gia c\u00f4ng ngu\u1ed9i t\u1ed1t: C\u00e1n \u0111\u1ecbnh h\u00ecnh, u\u1ed1n, d\u1eadp n\u00f4ng, d\u1eadp g\u00e2n trang tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i thu\u1eadn l\u1ee3i; b\u1ec1 m\u1eb7t BA\/HL\/No.4 \u0111\u1eb9p v\u00e0 s\u00e1ng.<br \/>\n&#8211; Ch\u1ed1ng \u0103n m\u00f2n \u1edf m\u1ee9c \u201c\u0111\u1ee7 d\u00f9ng\u201d cho m\u00f4i tr\u01b0\u1eddng kh\u00f4 r\u00e1o trong nh\u00e0, n\u00f4ng th\u00f4n \u00edt chloride.<br \/>\n&#8211; \u1ed4n \u0111\u1ecbnh th\u1ea9m m\u1ef9: D\u1ec5 \u0111\u1ea1t ho\u00e0n thi\u1ec7n hairline, No.4, g\u01b0\u01a1ng cho h\u1ea1ng m\u1ee5c n\u1ed9i th\u1ea5t, thang m\u00e1y, tay v\u1ecbn, qu\u1ea3ng c\u00e1o.<\/p>\n<h2 id=\"toc-2-nhuoc-diem-va-rui-ro-khi-dung-inox-201\"><span class=\"ez-toc-section\" id=\"Nhuoc_diem_va_rui_ro_khi_dung_inox_201\"><\/span>Nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 r\u1ee7i ro khi d\u00f9ng inox 201<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n 304: Nh\u1ea1y c\u1ea3m v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u00f3 chloride (g\u1ea7n bi\u1ec3n, h\u1ed3 b\u01a1i, r\u1eeda b\u1eb1ng mu\u1ed1i\/axit), d\u1ec5 \u201c\u1ed1 tr\u00e0\u201d ngo\u00e0i tr\u1eddi.<br \/>\n&#8211; Nh\u1ea1y c\u1ea3m v\u00f9ng h\u00e0n khi C cao: M\u00e1c 201 ti\u00eau chu\u1ea9n (C \u2264 0.15%) d\u1ec5 b\u1ecb nh\u1ea1y b\u1ea1i (sensitization) n\u1ebfu h\u00e0n nhi\u1ec7t v\u00e0o v\u00f9ng 450\u2013850\u00b0C; n\u00ean \u01b0u ti\u00ean 201L\/201LN ho\u1eb7c ch\u1ecdn 304L khi h\u00e0n nhi\u1ec1u.<br \/>\n&#8211; Gia c\u00f4ng s\u00e2u kh\u00f3 h\u01a1n 304: H\u00f3a b\u1ec1n bi\u1ebfn d\u1ea1ng nhanh khi\u1ebfn d\u1eadp s\u00e2u, vu\u1ed1t s\u00e2u kh\u00f3 h\u01a1n, c\u1ea7n l\u1ef1c l\u1edbn v\u00e0 b\u00f4i tr\u01a1n t\u1ed1t.<br \/>\n&#8211; Kh\u00f4ng th\u00edch h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t, th\u1ef1c ph\u1ea9m m\u1eb7n\/axit, r\u1eeda t\u1ea9y m\u1ea1nh.<br \/>\n&#8211; Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c cao h\u1ea1n ch\u1ebf h\u01a1n 304 (kh\u00f4ng khuy\u1ebfn ngh\u1ecb d\u00f9ng \u2265700\u00b0C).<\/p>\n<h2 id=\"toc-3-do-ben-an-mon-dung-o-dau-la-an-toan\"><span class=\"ez-toc-section\" id=\"Do_ben_an_mon_dung_o_dau_la_an_toan\"><\/span>\u0110\u1ed9 b\u1ec1n \u0103n m\u00f2n: d\u00f9ng \u1edf \u0111\u00e2u l\u00e0 an to\u00e0n?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng ph\u00f9 h\u1ee3p:<br \/>\n  &#8211; Trong nh\u00e0, kh\u00f4 r\u00e1o: \u0111\u1ed3 n\u1ed9i th\u1ea5t, tay v\u1ecbn, \u1ed1p trang tr\u00ed, k\u1ec7 tr\u01b0ng b\u00e0y, thi\u1ebft b\u1ecb c\u1eeda h\u00e0ng.<br \/>\n  &#8211; Ngo\u00e0i tr\u1eddi kh\u00f4, kh\u00f4ng g\u1ea7n bi\u1ec3n\/c\u00f4ng tr\u00ecnh phun s\u01b0\u01a1ng mu\u1ed1i: bi\u1ec3n b\u00e1o, v\u1ecf che, trang tr\u00ed ki\u1ebfn tr\u00fac \u00edt ti\u1ebfp x\u00fac m\u01b0a\/\u1ea9m.<br \/>\n  &#8211; \u1ea8m \u01b0\u1edbt nh\u01b0ng kh\u00f4ng chloride v\u00e0 kh\u00f4ng axit: kho s\u1ea3n xu\u1ea5t th\u00f4ng th\u01b0\u1eddng, nh\u00e0 x\u01b0\u1edfng nh\u1eb9.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng kh\u00f4ng ph\u00f9 h\u1ee3p:<br \/>\n  &#8211; Ven bi\u1ec3n (<10\u201320 km b\u1edd bi\u1ec3n), b\u1ebfn t\u00e0u, khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn th\u1ee7y s\u1ea3n, khu h\u1ed3 b\u01a1i\/SPA.\n  - Quy tr\u00ecnh c\u00f3 chlorides, ch\u1ea5t t\u1ea9y r\u1eeda ch\u1ee9a Cl-, th\u1ef1c ph\u1ea9m m\u1eb7n\/axit, r\u1eeda CIP m\u1ea1nh.\n- L\u01b0u \u00fd k\u1ef9 thu\u1eadt:\n  - M\u1eb7c d\u00f9 c\u00f4ng th\u1ee9c PREN cho th\u1ea5y N n\u00e2ng kh\u00e1ng r\u1ed7, th\u1ef1c t\u1ebf thi\u1ebfu Ni khi\u1ebfn 201 k\u00e9m \u1ed5n \u0111\u1ecbnh th\u1ee5 \u0111\u1ed9ng h\u01a1n 304 trong m\u00f4i tr\u01b0\u1eddng chloride. H\u00e3y coi 201 l\u00e0 v\u1eadt li\u1ec7u \u201c\u0111\u1ee7 d\u00f9ng\u201d cho m\u00f4i tr\u01b0\u1eddng hi\u1ec1n h\u00f2a, \u0111\u1eebng thay th\u1ebf 304\/316 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.\n\nNgu\u1ed3n: Nickel Institute \u2013 Guidelines for selection of stainless steels in aqueous environments; Outokumpu Stainless Steel Handbook.\n\n\n\n<h2 id=\"toc-4-so-sanh-nhanh-201-vs-304-vs-430-ung-dung-cong-trin\"><span class=\"ez-toc-section\" id=\"So_sanh_nhanh_201_vs_304_vs_430_ung_dung_cong_trinh\"><\/span>So s\u00e1nh nhanh: 201 vs 304 vs 430 (\u1ee9ng d\u1ee5ng c\u00f4ng tr\u00ecnh)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 201 (austenit, Ni th\u1ea5p)<br \/>\n  &#8211; \u01afu: Gi\u00e1 r\u1ebb, c\u1ee9ng v\u1eefng, b\u1ec1 m\u1eb7t \u0111\u1eb9p, gia c\u00f4ng ngu\u1ed9i t\u1ed1t.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Kh\u00e1ng \u0103n m\u00f2n ch\u1ec9 trung b\u00ecnh; r\u1ee7i ro \u1ed1 ngo\u00e0i tr\u1eddi; h\u00e0n c\u1ea7n ki\u1ec3m so\u00e1t.<br \/>\n  &#8211; D\u00f9ng: N\u1ed9i th\u1ea5t, trang tr\u00ed, tay v\u1ecbn trong nh\u00e0, \u1ed1ng h\u1ed9p khung k\u1ec7, v\u00e1ch thang m\u00e1y trong nh\u00e0.<br \/>\n&#8211; 304 (austenit, Ni cao)<br \/>\n  &#8211; \u01afu: Kh\u00e1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i \u0111a m\u00f4i tr\u01b0\u1eddng; h\u00e0n\/gia c\u00f4ng s\u00e2u t\u1ed1t.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Gi\u00e1 cao h\u01a1n.<br \/>\n  &#8211; D\u00f9ng: Th\u1ef1c ph\u1ea9m, y t\u1ebf, ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb, ven s\u00f4ng h\u1ed3, thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp chuy\u00ean nghi\u1ec7p.<br \/>\n&#8211; 430 (ferrit, kh\u00f4ng Ni)<br \/>\n  &#8211; \u01afu: Gi\u00e1 th\u1ea5p, t\u1eeb t\u00ednh, kh\u00e1ng \u0103n m\u00f2n n\u1ed9i th\u1ea5t kh\u00f4 t\u1ed1t.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Kh\u1ea3 n\u0103ng h\u00e0n\/gia c\u00f4ng s\u00e2u k\u00e9m h\u01a1n; ngo\u00e0i tr\u1eddi d\u1ec5 \u1ed1\/r\u1ec9 h\u01a1n 201.<br \/>\n  &#8211; D\u00f9ng: \u1ed0p t\u1ee7, m\u1eb7t trang tr\u00ed n\u1ed9i th\u1ea5t, v\u1ecf thi\u1ebft b\u1ecb trong nh\u00e0 kh\u00f4.<\/p>\n<h2 id=\"toc-5-gia-cong-han-va-hoan-thien-be-mat\"><span class=\"ez-toc-section\" id=\"Gia_cong_han_va_hoan_thien_be_mat\"><\/span>Gia c\u00f4ng, h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Gia_cong_nguoi\"><\/span>Gia c\u00f4ng ngu\u1ed9i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; U\u1ed1n\/d\u1eadp: D\u00f9ng b\u00e1n k\u00ednh u\u1ed1n l\u1edbn h\u01a1n 304 \u0111\u1ec3 tr\u00e1nh n\u1ee9t m\u00e9p; b\u00f4i tr\u01a1n t\u1ed1t, gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 h\u1ea1n ch\u1ebf h\u00f3a b\u1ec1n nhanh.<br \/>\n&#8211; Vu\u1ed1t s\u00e2u: \u01afu ti\u00ean 201L\/201LN; t\u1ed1i \u01b0u h\u00f3a khu\u00f4n, l\u1ef1c ch\u1eb7n ph\u00f4i, th\u1ef1c hi\u1ec7n \u1ee7 trung gian n\u1ebfu c\u1ea7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Han\"><\/span>H\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Quy tr\u00ecnh: TIG, MIG, h\u00e0n \u0111i\u1ec7n tr\u1edf \u0111\u1ec1u kh\u1ea3 thi. Ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0o \u0111\u1ec3 gi\u1ea3m v\u00f9ng nh\u1ea1y b\u1ea1i.<br \/>\n&#8211; V\u1eadt li\u1ec7u h\u00e0n khuy\u1ebfn ngh\u1ecb:<br \/>\n  &#8211; ER308L\/S308L th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho m\u1ed1i h\u00e0n 201\u2013201 ho\u1eb7c 201\u2013304 nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 dai v\u00e0 kh\u00e1ng \u0103n m\u00f2n m\u1ed1i h\u00e0n.<br \/>\n  &#8211; V\u1edbi k\u1ebft c\u1ea5u quan tr\u1ecdng, c\u00e2n nh\u1eafc 201L ho\u1eb7c chuy\u1ec3n sang 304L \u0111\u1ec3 an to\u00e0n \u0103n m\u00f2n v\u00f9ng nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng (HAZ).<br \/>\n&#8211; H\u1eadu x\u1eed l\u00fd: T\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a (pickling &#038; passivation) \u0111\u1ec3 t\u00e1i h\u00ecnh th\u00e0nh l\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hoan_thien_be_mat\"><\/span>Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; L\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn: 2B cho c\u00e1n, BA (g\u01b0\u01a1ng l\u00f2) cho trang tr\u00ed n\u1ed9i th\u1ea5t, No.4\/HL cho tay v\u1ecbn \u2013 thang m\u00e1y.<br \/>\n&#8211; B\u1ea3o tr\u00ec: Lau r\u1eeda \u0111\u1ecbnh k\u1ef3 b\u1eb1ng dung d\u1ecbch trung t\u00ednh pH 6\u20138; tr\u00e1nh ch\u1ea5t t\u1ea9y ch\u1ee9a chloride; x\u1ea3 s\u1ea1ch v\u00e0 lau kh\u00f4 \u0111\u1ec3 ch\u1ed1ng \u1ed1 tr\u00e0.<\/p>\n<h2 id=\"toc-6-kich-co-tieu-chuan-va-dang-hang-san\"><span class=\"ez-toc-section\" id=\"Kich_co_tieu_chuan_va_dang_hang_san\"><\/span>K\u00edch c\u1ee1, ti\u00eau chu\u1ea9n v\u00e0 d\u1ea1ng h\u00e0ng s\u1eb5n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; T\u1ea5m\/coil: 0.4\u20133.0 mm (ph\u1ed5 bi\u1ebfn cho n\u1ed9i th\u1ea5t\/trang tr\u00ed), theo ASTM A240\/A480.<br \/>\n&#8211; \u1ed0ng tr\u00f2n\/\u1ed1ng h\u1ed9p trang tr\u00ed (ASTM A554): OD ~ 9.5\u2013114 mm; h\u1ed9p 10\u00d710 \u0111\u1ebfn 100\u00d7100 mm; \u0111\u1ed9 d\u00e0y 0.6\u20132.0 mm.<br \/>\n&#8211; Thanh\/\u0111ai: theo \u0111\u1eb7t h\u00e0ng. Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 MTC\/CO-CQ \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<h2 id=\"toc-7-ung-dung-phu-hop-nhat-cua-inox-201\"><span class=\"ez-toc-section\" id=\"Ung_dung_phu_hop_nhat_cua_inox_201\"><\/span>\u1ee8ng d\u1ee5ng ph\u00f9 h\u1ee3p nh\u1ea5t c\u1ee7a inox 201<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ki\u1ebfn tr\u00fac \u2013 n\u1ed9i th\u1ea5t:<br \/>\n  &#8211; Tay v\u1ecbn c\u1ea7u thang, lan can trong nh\u00e0, \u1ed1p trang tr\u00ed t\u01b0\u1eddng \u2013 tr\u1ea7n, ph\u00e0o ch\u1ec9, bi\u1ec3n hi\u1ec7u n\u1ed9i th\u1ea5t.<br \/>\n  &#8211; V\u00e1ch, cabin thang m\u00e1y trong nh\u00e0; khung k\u1ec7 tr\u01b0ng b\u00e0y, qu\u1ea7y bar \u2013 cafe trong m\u00f4i tr\u01b0\u1eddng kh\u00f4.<br \/>\n&#8211; Gia d\u1ee5ng \u2013 thi\u1ebft b\u1ecb:<br \/>\n  &#8211; Ch\u1eadu r\u1eeda nh\u1ecf, n\u1ed3i \u2013 ch\u1ea3o gi\u00e1 r\u1ebb s\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng kh\u00f4; v\u1ecf m\u00e1y, n\u1eafp che, khung t\u1ee7, gi\u00e1 k\u1ec7.<br \/>\n&#8211; \u00d4 t\u00f4 \u2013 xe m\u00e1y \u2013 qu\u1ea3ng c\u00e1o:<br \/>\n  &#8211; N\u1eb9p trang tr\u00ed n\u1ed9i th\u1ea5t, \u1ed1p ch\u1ed1ng x\u01b0\u1edbc, khung b\u1ea3ng hi\u1ec7u trong nh\u00e0 ho\u1eb7c ngo\u00e0i tr\u1eddi kh\u00f4 r\u00e1o.<br \/>\n&#8211; C\u00f4ng nghi\u1ec7p nh\u1eb9:<br \/>\n  &#8211; V\u1ecf t\u1ee7 \u0111i\u1ec7n trong nh\u00e0, m\u00e1ng c\u00e1p kh\u00f4, khung b\u0103ng t\u1ea3i nh\u1eb9 kh\u00f4ng h\u00f3a ch\u1ea5t, b\u00e0n thao t\u00e1c x\u01b0\u1edfng kh\u00f4.<\/p>\n<h2 id=\"toc-8-nhung-noi-khong-nen-dung-inox-201\"><span class=\"ez-toc-section\" id=\"Nhung_noi_KHONG_nen_dung_inox_201\"><\/span>Nh\u1eefng n\u01a1i KH\u00d4NG n\u00ean d\u00f9ng inox 201<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ven bi\u1ec3n, t\u00e0u thuy\u1ec1n, c\u1ea7u c\u1ea3ng, khu h\u1ed3 b\u01a1i \u2013 spa, b\u00e3i \u0111\u1ed7 xe ngo\u00e0i tr\u1eddi phun s\u01b0\u01a1ng mu\u1ed1i.<br \/>\n&#8211; Nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn th\u1ee7y s\u1ea3n, th\u1ef1c ph\u1ea9m m\u1eb7n\/axit, \u0111\u1ed3 b\u1ebfp c\u00f4ng nghi\u1ec7p hay ti\u1ebfp x\u00fac mu\u1ed1i\/gi\u1ea5m\/n\u01b0\u1edbc r\u1eeda clo.<br \/>\n&#8211; \u0110\u01b0\u1eddng \u1ed1ng\/h\u1ec7 th\u1ed1ng ch\u1ee9a h\u00f3a ch\u1ea5t, v\u1ec7 sinh y\u00eau c\u1ea7u cao (ch\u1ecdn 304\/316).<br \/>\n&#8211; K\u1ebft c\u1ea5u ch\u1ecbu t\u1ea3i n\u1eb7ng, h\u00e0n nhi\u1ec1u trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n (\u01b0u ti\u00ean 304L\/316L).<\/p>\n<h2 id=\"toc-9-lam-the-nao-de-toi-uu-chi-phi-voi-inox-201\"><span class=\"ez-toc-section\" id=\"Lam_the_nao_de_toi_uu_chi_phi_voi_inox_201\"><\/span>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed v\u1edbi inox 201?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u00f9ng 201 cho c\u00e1c h\u1ea1ng m\u1ee5c trong nh\u00e0, kh\u00f4 r\u00e1o, y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 cao nh\u01b0ng t\u1ea3i tr\u1ecdng v\u1eeba ph\u1ea3i.<br \/>\n&#8211; T\u00e1ch b\u1ea1ch v\u1eadt li\u1ec7u theo v\u00f9ng: 201 cho n\u1ed9i th\u1ea5t; 304 cho ban c\u00f4ng, lam che m\u01b0a; 316 cho khu h\u1ed3 b\u01a1i\/ven bi\u1ec3n.<br \/>\n&#8211; Ch\u1ecdn m\u00e1c bi\u1ebfn th\u1ec3: 201L\/201LN khi h\u00e0n nhi\u1ec1u ho\u1eb7c d\u1eadp s\u00e2u.<br \/>\n&#8211; Quy \u0111\u1ecbnh b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 (lau r\u1eeda, trung h\u00f2a ch\u1ea5t b\u1ea9n) \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd b\u1ec1 m\u1eb7t 201.<\/p>\n<h2 id=\"toc-10-phan-biet-201-voi-304-kiem-tra-hien-truong\"><span class=\"ez-toc-section\" id=\"Phan_biet_201_voi_304_kiem_tra_hien_truong\"><\/span>Ph\u00e2n bi\u1ec7t 201 v\u1edbi 304: ki\u1ec3m tra hi\u1ec7n tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u0110\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o nam ch\u00e2m: 201 v\u00e0 304 \u1ee7 m\u1ec1m \u0111\u1ec1u kh\u00f3 h\u00fat; sau c\u00e1n ngu\u1ed9i c\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 h\u00fat nh\u1eb9.<br \/>\n&#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 MTC v\u00e0 ki\u1ec3m tra nhanh b\u1eb1ng m\u00e1y ph\u00e2n t\u00edch h\u1ee3p kim c\u1ea7m tay (XRF) khi d\u1ef1 \u00e1n quan tr\u1ecdng.<br \/>\n&#8211; Quan s\u00e1t \u2013 th\u1eed nhanh:<br \/>\n  &#8211; B\u1ec1 m\u1eb7t 201 ngo\u00e0i tr\u1eddi d\u1ec5 \u1ed1 v\u00e0ng\/n\u00e2u sau v\u00e0i tu\u1ea7n n\u1ebfu c\u00f3 mu\u1ed1i\/\u1ea9m.<br \/>\n  &#8211; Th\u1eed dung d\u1ecbch v\u1ec7 sinh c\u00f3 chloride: 201 d\u1ec5 xu\u1ea5t hi\u1ec7n \u201ctea staining\u201d h\u01a1n 304 (kh\u00f4ng khuy\u1ebfn ngh\u1ecb l\u00e0m tr\u00ean th\u00e0nh ph\u1ea9m).<br \/>\n&#8211; M\u1eb9o mua h\u00e0ng: So s\u00e1nh tr\u1ecdng l\u01b0\u1ee3ng\/m\u00e9t (\u0111\u1ed9 d\u00e0y th\u1eadt), b\u1ec1 m\u1eb7t BA\/HL \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u01b0\u1eddng h\u00e0n \u1ed1ng m\u1ecbn, kh\u00f4ng b\u1ecdt kh\u00ed \u2013 kh\u00f4ng x\u01b0\u1edbc c\u00e1t.<\/p>\n<h2 id=\"toc-11-cau-hoi-thuong-gap-faq\"><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_FAQ\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Inox 201 c\u00f3 an to\u00e0n ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m?<br \/>\n  &#8211; D\u00f9ng t\u1ea1m cho m\u00f4i tr\u01b0\u1eddng kh\u00f4, th\u1ef1c ph\u1ea9m kh\u00f4ng m\u1eb7n\/axit. \u0110\u1ed1i v\u1edbi y\u00eau c\u1ea7u an to\u00e0n \u2013 v\u1ec7 sinh nghi\u00eam ng\u1eb7t ho\u1eb7c ti\u1ebfp x\u00fac th\u01b0\u1eddng xuy\u00ean v\u1edbi mu\u1ed1i\/axit, n\u00ean d\u00f9ng 304\/316.<br \/>\n&#8211; 201 c\u00f3 b\u1ecb r\u1ec9 kh\u00f4ng?<br \/>\n  &#8211; 201 c\u00f3 th\u1ec3 b\u1ecb \u1ed1\/r\u1ed7 trong m\u00f4i tr\u01b0\u1eddng chloride ho\u1eb7c b\u1ea3o tr\u00ec k\u00e9m. Lau r\u1eeda \u0111\u1ecbnh k\u1ef3 v\u00e0 tr\u00e1nh h\u00f3a ch\u1ea5t Cl- s\u1ebd h\u1ea1n ch\u1ebf hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<br \/>\n&#8211; C\u00f3 th\u1ec3 d\u00f9ng 201 ngo\u00e0i tr\u1eddi?<br \/>\n  &#8211; \u0110\u01b0\u1ee3c trong m\u00f4i tr\u01b0\u1eddng kh\u00f4, kh\u00f4ng chloride. G\u1ea7n bi\u1ec3n\/h\u1ed3 b\u01a1i n\u00ean d\u00f9ng 304\/316.<\/p>\n<h2 id=\"toc-12-nguon-tham-khao-chinh\"><span class=\"ez-toc-section\" id=\"Nguon_tham_khao_chinh\"><\/span>Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Nickel Institute \u2013 200-series Stainless Steels: An overview and guide for buyers and specifiers (nickelinstitute.org)<br \/>\n&#8211; Outokumpu Stainless Steel Handbook &#038; Grade datasheets 201\/201L\/201LN (outokumpu.com)<br \/>\n&#8211; ASTM A240\/A480 (Plate, Sheet and Strip), ASTM A554 (Welded Stainless Steel Mechanical Tubing)<\/p>\n<h2 id=\"toc-13-ket-luan\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Inox 201 l\u00e0 l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3 \u2013 kinh t\u1ebf cho \u1ee9ng d\u1ee5ng n\u1ed9i th\u1ea5t, trang tr\u00ed v\u00e0 k\u1ebft c\u1ea5u nh\u1eb9 trong m\u00f4i tr\u01b0\u1eddng kh\u00f4, \u00edt chloride. \u01afu \u0111i\u1ec3m l\u1edbn l\u00e0 chi ph\u00ed th\u1ea5p, b\u1ec1 m\u1eb7t \u0111\u1eb9p, \u0111\u1ed9 c\u1ee9ng v\u1eefng t\u1ed1t. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng kh\u00e1ng \u0103n m\u00f2n k\u00e9m h\u01a1n 304 khi\u1ebfn 201 kh\u00f4ng ph\u00f9 h\u1ee3p cho ven bi\u1ec3n, h\u1ed3 b\u01a1i, th\u1ef1c ph\u1ea9m m\u1eb7n\/axit ho\u1eb7c h\u00f3a ch\u1ea5t. Quy t\u1eafc an to\u00e0n: 201 cho trong nh\u00e0 kh\u00f4; 304 cho ngo\u00e0i tr\u1eddi\/\u0111\u00f4 th\u1ecb; 316 cho m\u00f4i tr\u01b0\u1eddng chloride cao. Khi h\u00e0n nhi\u1ec1u, \u01b0u ti\u00ean 201L ho\u1eb7c chuy\u1ec3n sang 304L. Lu\u00f4n y\u00eau c\u1ea7u MTC v\u00e0 ki\u1ec3m tra XRF khi d\u1ef1 \u00e1n y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c, b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 d\u00e0y t\u1ed1i \u01b0u cho h\u1ea1ng m\u1ee5c c\u1ee5 th\u1ec3? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 v\u1eadt li\u1ec7u h\u1ed7 tr\u1ee3 v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e2n t\u00edch inox 201: th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, \u0111\u1ed9 b\u1ec1n \u0103n m\u00f2n, h\u00e0n\/gia c\u00f4ng; so s\u00e1nh 304\/430 v\u00e0 g\u1ee3i \u00fd \u1ee9ng d\u1ee5ng ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed d\u1ef1 \u00e1n.<\/p>\n","protected":false},"author":7,"featured_media":1050,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2524","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\/2524","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=2524"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2524\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1050"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}