{"id":2510,"date":"2026-08-30T12:33:59","date_gmt":"2026-08-30T05:33:59","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/"},"modified":"2026-08-30T12:33:59","modified_gmt":"2026-08-30T05:33:59","slug":"top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/","title":{"rendered":"Top 5 l\u1ea7m t\u01b0\u1edfng v\u1ec1 inox: ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt &#038; c\u00e1ch tr\u00e1nh cho ng\u01b0\u1eddi m\u1edbi"},"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;2510&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;Top 5 l\u1ea7m t\u01b0\u1edfng v\u1ec1 inox: ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt \\u0026amp; c\u00e1ch tr\u00e1nh cho ng\u01b0\u1eddi m\u1edbi&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        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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\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#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\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#1_Lam_tuong_Inox_%E2%80%9Ckhong_bao_gio_gi%E2%80%9D\" >1) L\u1ea7m t\u01b0\u1edfng: Inox \u201ckh\u00f4ng bao gi\u1edd g\u1ec9\u201d<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Su_that\" >S\u1ef1 th\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Vi_sao_inox_van_gi\" >V\u00ec sao inox v\u1eabn g\u1ec9?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Khuyen_nghi_thuc_te\" >Khuy\u1ebfn ngh\u1ecb th\u1ef1c t\u1ebf<\/a><\/li><\/ul><\/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\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#2_Lam_tuong_Dung_nam_cham_biet_ngay_inox_%E2%80%9Cxin%E2%80%9D_hay_%E2%80%9Cgia%E2%80%9D\" >2) L\u1ea7m t\u01b0\u1edfng: D\u00f9ng nam ch\u00e2m bi\u1ebft ngay inox \u201cx\u1ecbn\u201d hay \u201cgi\u1ea3\u201d<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Su_that-2\" >S\u1ef1 th\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Kiem_tra_dung_cach\" >Ki\u1ec3m tra \u0111\u00fang c\u00e1ch<\/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\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Thuc_hanh_mua_hang\" >Th\u1ef1c h\u00e0nh mua h\u00e0ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#3_Lam_tuong_304_luon_tot_hon_201430_trong_moi_ung_dung\" >3) L\u1ea7m t\u01b0\u1edfng: 304 lu\u00f4n t\u1ed1t h\u01a1n 201\/430 trong m\u1ecdi \u1ee9ng d\u1ee5ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Su_that-3\" >S\u1ef1 th\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Goi_y_chon_nhanh_theo_moi_truong\" >G\u1ee3i \u00fd ch\u1ecdn nhanh theo m\u00f4i tr\u01b0\u1eddng<\/a><\/li><\/ul><\/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\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#4_Lam_tuong_Be_mat_cang_bong_thi_chong_gi_cang_tot\" >4) L\u1ea7m t\u01b0\u1edfng: B\u1ec1 m\u1eb7t c\u00e0ng b\u00f3ng th\u00ec ch\u1ed1ng g\u1ec9 c\u00e0ng t\u1ed1t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Su_that-4\" >S\u1ef1 th\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Khuyen_nghi_thi_cong_bao_tri\" >Khuy\u1ebfn ngh\u1ecb thi c\u00f4ng &#038; b\u1ea3o tr\u00ec<\/a><\/li><\/ul><\/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\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#5_Lam_tuong_Inox_chiu_nhiet_rat_tot_han_the_nao_cung_duoc\" >5) L\u1ea7m t\u01b0\u1edfng: Inox ch\u1ecbu nhi\u1ec7t r\u1ea5t t\u1ed1t, h\u00e0n th\u1ebf n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Su_that-5\" >S\u1ef1 th\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Thuc_hanh_han_dung\" >Th\u1ef1c h\u00e0nh h\u00e0n \u0111\u00fang<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Checklist_nhanh_chon_dung_inox_ap_dung_tai_xuongcong_truong\" >Checklist nhanh ch\u1ecdn \u0111\u00fang inox (\u00e1p d\u1ee5ng t\u1ea1i x\u01b0\u1edfng\/c\u00f4ng tr\u01b0\u1eddng)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Cac_cau_hoi_nhanh_%E2%80%93_dap_gon\" >C\u00e1c c\u00e2u h\u1ecfi nhanh \u2013 \u0111\u00e1p g\u1ecdn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#Tai_lieu_tham_khao_chon_loc\" >T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u1ecdn l\u1ecdc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-phan-tich-ky-thuat-cach-tranh-cho-nguoi-moi\/#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-0-1-lam-tuong-inox-khong-bao-gio-gi\">1) L\u1ea7m t\u01b0\u1edfng: Inox \u201ckh\u00f4ng bao gi\u1edd g\u1ec9\u201d<\/a><\/li>\n<li><a href=\"#toc-1-2-lam-tuong-dung-nam-cham-biet-ngay-inox-xin-hay-g\">2) L\u1ea7m t\u01b0\u1edfng: D\u00f9ng nam ch\u00e2m bi\u1ebft ngay inox \u201cx\u1ecbn\u201d hay \u201cgi\u1ea3\u201d<\/a><\/li>\n<li><a href=\"#toc-2-3-lam-tuong-304-luon-tot-hon-201430-trong-moi-ung-\">3) L\u1ea7m t\u01b0\u1edfng: 304 lu\u00f4n t\u1ed1t h\u01a1n 201\/430 trong m\u1ecdi \u1ee9ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-3-4-lam-tuong-be-mat-cang-bong-thi-chong-gi-cang-tot\">4) L\u1ea7m t\u01b0\u1edfng: B\u1ec1 m\u1eb7t c\u00e0ng b\u00f3ng th\u00ec ch\u1ed1ng g\u1ec9 c\u00e0ng t\u1ed1t<\/a><\/li>\n<li><a href=\"#toc-4-5-lam-tuong-inox-chiu-nhiet-rat-tot-han-the-nao-cu\">5) L\u1ea7m t\u01b0\u1edfng: Inox ch\u1ecbu nhi\u1ec7t r\u1ea5t t\u1ed1t, h\u00e0n th\u1ebf n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c<\/a><\/li>\n<li><a href=\"#toc-5-checklist-nhanh-chon-dung-inox-ap-dung-tai-xuongco\">Checklist nhanh ch\u1ecdn \u0111\u00fang inox (\u00e1p d\u1ee5ng t\u1ea1i x\u01b0\u1edfng\/c\u00f4ng tr\u01b0\u1eddng)<\/a><\/li>\n<li><a href=\"#toc-6-cac-cau-hoi-nhanh-dap-gon\">C\u00e1c c\u00e2u h\u1ecfi nhanh \u2013 \u0111\u00e1p g\u1ecdn<\/a><\/li>\n<li><a href=\"#toc-7-tai-lieu-tham-khao-chon-loc\">T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u1ecdn l\u1ecdc<\/a><\/li>\n<li><a href=\"#toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox (th\u00e9p kh\u00f4ng g\u1ec9) l\u00e0 v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng trong c\u01a1 kh\u00ed \u2013 x\u00e2y d\u1ef1ng \u2013 ch\u1ebf t\u1ea1o, nh\u01b0ng ng\u01b0\u1eddi m\u1edbi r\u1ea5t d\u1ec5 m\u1eafc c\u00e1c l\u1ea7m t\u01b0\u1edfng khi\u1ebfn chi ph\u00ed \u0111\u1ed9i l\u00ean v\u00e0 c\u00f4ng tr\u00ecnh xu\u1ed1ng c\u1ea5p s\u1edbm. B\u00e0i vi\u1ebft n\u00e0y b\u00f3c t\u00e1ch 5 hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t, k\u00e8m gi\u1ea3i th\u00edch k\u1ef9 thu\u1eadt, c\u00e1ch ki\u1ec3m tra t\u1ea1i x\u01b0\u1edfng v\u00e0 khuy\u1ebfn ngh\u1ecb ch\u1ecdn m\u00e1c \u2013 b\u1ec1 m\u1eb7t \u2013 quy tr\u00ecnh ph\u00f9 h\u1ee3p. \u0110\u00e2y l\u00e0 m\u1ea3nh gh\u00e9p quan tr\u1ecdng trong b\u1ed9 Ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0nh cho ng\u01b0\u1eddi b\u1eaft \u0111\u1ea7u, nh\u01b0ng n\u1ed9i dung ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp v\u00e0 \u00e1p d\u1ee5ng ngay cho d\u1ef1 \u00e1n th\u1ef1c t\u1ebf.<\/p>\n<h2 id=\"toc-0-1-lam-tuong-inox-khong-bao-gio-gi\"><span class=\"ez-toc-section\" id=\"1_Lam_tuong_Inox_%E2%80%9Ckhong_bao_gio_gi%E2%80%9D\"><\/span>1) L\u1ea7m t\u01b0\u1edfng: Inox \u201ckh\u00f4ng bao gi\u1edd g\u1ec9\u201d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Su_that\"><\/span>S\u1ef1 th\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Inox l\u00e0 \u201c\u00edt g\u1ec9\u201d (stain-less), kh\u00f4ng ph\u1ea3i \u201ckh\u00f4ng th\u1ec3 g\u1ec9\u201d. L\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3 t\u1ef1 h\u00ecnh th\u00e0nh khi th\u00e9p c\u00f3 \u226510,5% Cr v\u00e0 ti\u1ebfp x\u00fac oxy. L\u1edbp n\u00e0y c\u00f3 th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1 b\u1edfi clorua, axit m\u1ea1nh, khe k\u1ebd \u1ee9 \u0111\u1ecdng \u1ea9m, nhi\u1ec7t \u0111\u1edbi \u1ea9m, ho\u1eb7c nhi\u1ec5m b\u1ea9n s\u1eaft t\u1eeb d\u1ee5ng c\u1ee5 th\u00e9p carbon.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Vi_sao_inox_van_gi\"><\/span>V\u00ec sao inox v\u1eabn g\u1ec9?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u0102n m\u00f2n r\u1ed7 do clorua (pitting): n\u01b0\u1edbc bi\u1ec3n, h\u01a1i mu\u1ed1i, ch\u1ea5t t\u1ea9y c\u00f3 NaCl\/NaClO. M\u00e1c c\u00f3 Mo (v\u00ed d\u1ee5 316) kh\u00e1ng r\u1ed7 t\u1ed1t h\u01a1n 304. Ch\u1ec9 s\u1ed1 PREN \u2248 %Cr + 3,3\u00d7%Mo + 16\u00d7%N (cao h\u01a1n \u21d2 kh\u00e1ng r\u1ed7 t\u1ed1t h\u01a1n). 304 c\u00f3 PREN ~18\u201319; 316 ~24; duplex 2205 ~35+.<br \/>\n&#8211; \u0102n m\u00f2n k\u1ebd h\u1edf (crevice): t\u1ea1i tai treo, m\u1ed1i gh\u00e9p, ron, n\u01a1i \u0111\u1ecdng n\u01b0\u1edbc b\u1ea9n.<br \/>\n&#8211; Nhi\u1ec5m b\u1ea9n s\u1eaft: h\u1ea1t s\u1eaft t\u1eeb m\u00e0i\/\u0111\u1ee5c th\u00e9p carbon b\u00e1m l\u00ean b\u1ec1 m\u1eb7t inox g\u00e2y \u201cr\u1ec9 tr\u00e0\u201d.<br \/>\n&#8211; Nhi\u1ec7t m\u00e0u m\u1ed1i h\u00e0n (heat tint) ch\u01b0a t\u1ea9y: v\u00f9ng b\u1ecb kh\u1eed Cr s\u00e1t m\u1ed1i h\u00e0n d\u1ec5 \u0103n m\u00f2n.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng thi\u1ebfu oxy: trong khe k\u00edn, b\u1ec3 ch\u1ee9a kh\u00f4ng c\u00f3 trao \u0111\u1ed5i oxy, l\u1edbp th\u1ee5 \u0111\u1ed9ng kh\u00f4ng t\u1ef1 ph\u1ee5c h\u1ed3i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khuyen_nghi_thuc_te\"><\/span>Khuy\u1ebfn ngh\u1ecb th\u1ef1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng:<br \/>\n  &#8211; V\u00f9ng ven bi\u1ec3n, h\u1ed3 b\u01a1i, h\u00f3a ch\u1ea5t nh\u1eb9: \u01b0u ti\u00ean 316\/316L; c\u00f4ng tr\u00ecnh \u0111\u1eb7c bi\u1ec7t kh\u1eafc nghi\u1ec7t c\u00e2n nh\u1eafc duplex 2205.<br \/>\n  &#8211; N\u1ed9i th\u1ea5t kh\u00f4 r\u00e1o: 304\/430 (\u0111\u00fang m\u1ee5c \u0111\u00edch) ti\u1ebft ki\u1ec7m chi ph\u00ed.<br \/>\n&#8211; X\u1eed l\u00fd sau gia c\u00f4ng: t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng theo ASTM A380\/A967 (axit nitric\/citric) \u0111\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng, \u0111\u1eb7c bi\u1ec7t quanh m\u1ed1i h\u00e0n.<br \/>\n&#8211; B\u1ea3o tr\u00ec: r\u1eeda n\u01b0\u1edbc s\u1ea1ch + ch\u1ea5t t\u1ea9y trung t\u00ednh. Khu \u0111\u00f4 th\u1ecb: 1\u20133 th\u00e1ng\/l\u1ea7n; ven bi\u1ec3n\/kh\u00ed h\u1eadu mu\u1ed1i: 2\u20134 tu\u1ea7n\/l\u1ea7n. Kh\u00f4ng d\u00f9ng b\u00fai s\u1eaft\/gi\u1ea5y nh\u00e1m th\u00e9p carbon.<\/p>\n<p>V\u00ed d\u1ee5 nhanh: Lan can ngo\u00e0i tr\u1eddi \u1edf H\u1ea3i Ph\u00f2ng d\u00f9ng 304 No.4 s\u1ebd \u201c\u1ed1 tr\u00e0\u201d ch\u1ec9 sau v\u00e0i th\u00e1ng; chuy\u1ec3n sang 316 BA\/No.4 + v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 s\u1ebd gi\u1ea3m r\u00f5 r\u1ec7t hi\u1ec7n t\u01b0\u1ee3ng.<\/p>\n<h2 id=\"toc-1-2-lam-tuong-dung-nam-cham-biet-ngay-inox-xin-hay-g\"><span class=\"ez-toc-section\" id=\"2_Lam_tuong_Dung_nam_cham_biet_ngay_inox_%E2%80%9Cxin%E2%80%9D_hay_%E2%80%9Cgia%E2%80%9D\"><\/span>2) L\u1ea7m t\u01b0\u1edfng: D\u00f9ng nam ch\u00e2m bi\u1ebft ngay inox \u201cx\u1ecbn\u201d hay \u201cgi\u1ea3\u201d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Su_that-2\"><\/span>S\u1ef1 th\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; T\u1eeb t\u00ednh ph\u1ee5 thu\u1ed9c vi c\u1ea5u tr\u00fac ch\u1ee9 kh\u00f4ng ph\u1ea3n \u00e1nh \u201c\u0111\u1ed9 x\u1ecbn\u201d.<br \/>\n  &#8211; Austenitic (304\/316\/201): tr\u1ea1ng th\u00e1i \u1ee7 h\u1ea7u nh\u01b0 kh\u00f4ng t\u1eeb t\u00ednh; sau c\u00e1n ngu\u1ed9i\/h\u00ecnh th\u00e0nh mactenxit c\u00f3 th\u1ec3 h\u00fat nam ch\u00e2m nh\u1eb9.<br \/>\n  &#8211; Ferritic (430) v\u00e0 martensitic (410\/420): t\u1eeb t\u00ednh m\u1ea1nh d\u00f9 v\u1eabn l\u00e0 inox \u201cchu\u1ea9n\u201d.<br \/>\n&#8211; V\u00ec v\u1eady, th\u1eed nam ch\u00e2m kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t 201 v\u1edbi 304 hay 304 v\u1edbi 316, c\u0169ng kh\u00f4ng x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n Mo\/Ni.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kiem_tra_dung_cach\"><\/span>Ki\u1ec3m tra \u0111\u00fang c\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u (MTC) theo EN 10204 lo\u1ea1i 3.1 t\u1eeb nh\u00e0 cung c\u1ea5p.<br \/>\n&#8211; PMI t\u1ea1i ch\u1ed7 b\u1eb1ng XRF \u0111\u1ec3 \u0111\u1ecdc Cr\u2013Ni\u2013Mo\u2013Mn\u2013Cu\u2026 (\u0111\u1ed9 tin c\u1eady cao cho nh\u1eadn d\u1ea1ng m\u00e1c).<br \/>\n&#8211; Ki\u1ec3m tra b\u1ed5 sung:<br \/>\n  &#8211; Ki\u1ec3m tra Ni (DMG test) tham kh\u1ea3o; ch\u1ec9 mang t\u00ednh \u0111\u1ecbnh h\u01b0\u1edbng.<br \/>\n  &#8211; Ki\u1ec3m tra b\u1ec1 m\u1eb7t nhi\u1ec5m s\u1eaft b\u1eb1ng dung d\u1ecbch CuSO4 (theo ASTM A380) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ea1ch b\u1ec1 m\u1eb7t, kh\u00f4ng nh\u1eb1m ph\u00e2n bi\u1ec7t m\u00e1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thuc_hanh_mua_hang\"><\/span>Th\u1ef1c h\u00e0nh mua h\u00e0ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; So \u0111\u1ed1i ch\u1ee9ng: m\u00e1c 304 th\u01b0\u1eddng Ni 8,0\u201310,5%; 201 Ni ~3,5\u20135,5% (theo ISO 15510). N\u1ebfu PMI \u0111\u1ecdc Ni th\u1ea5p b\u1ea5t th\u01b0\u1eddng cho \u201c304\u201d, c\u1ea7n xem x\u00e9t l\u1ea1i.<br \/>\n&#8211; \u0110\u1ed1i v\u1edbi y\u00eau c\u1ea7u thi\u1ebft y\u1ebfu (b\u1ed3n, \u0111\u01b0\u1eddng \u1ed1ng, k\u1ebft c\u1ea5u ch\u1ecbu m\u00f4i tr\u01b0\u1eddng), lu\u00f4n PMI ng\u1eabu nhi\u00ean l\u00f4 h\u00e0ng v\u00e0 l\u01b0u MTC.<\/p>\n<h2 id=\"toc-2-3-lam-tuong-304-luon-tot-hon-201430-trong-moi-ung-\"><span class=\"ez-toc-section\" id=\"3_Lam_tuong_304_luon_tot_hon_201430_trong_moi_ung_dung\"><\/span>3) L\u1ea7m t\u01b0\u1edfng: 304 lu\u00f4n t\u1ed1t h\u01a1n 201\/430 trong m\u1ecdi \u1ee9ng d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Su_that-3\"><\/span>S\u1ef1 th\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u201cT\u1ed1t h\u01a1n\u201d ph\u1ea3i theo ti\u00eau ch\u00ed: ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ecbnh h\u00ecnh, h\u00e0n, chi ph\u00ed, t\u1eeb t\u00ednh, th\u1ea9m m\u1ef9, nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c.<br \/>\n  &#8211; 304 (18Cr\u20138Ni): \u0111a d\u1ee5ng, c\u00e2n b\u1eb1ng t\u1ea1o h\u00ecnh\/h\u00e0n\/ch\u1ed1ng \u0103n m\u00f2n; nh\u01b0ng kh\u00f4ng t\u1ed1i \u01b0u \u1edf m\u00f4i tr\u01b0\u1eddng clorua n\u1eb7ng.<br \/>\n  &#8211; 316 (18Cr\u201310Ni\u20132Mo): kh\u00e1ng r\u1ed7 clorua t\u1ed1t h\u01a1n 304 \u0111\u00e1ng k\u1ec3, d\u00f9ng cho ven bi\u1ec3n, th\u1ef1c ph\u1ea9m m\u1eb7n, h\u00f3a ch\u1ea5t nh\u1eb9.<br \/>\n  &#8211; 201 (16\u201317Cr, Ni th\u1ea5p, Mn+N cao): \u0111\u1ed9 b\u1ec1n ch\u1ea3y cao, gi\u00e1 th\u1ea5p; ph\u00f9 h\u1ee3p n\u1ed9i th\u1ea5t kh\u00f4, k\u1ec7 gi\u00e1, chi ti\u1ebft trang tr\u00ed trong nh\u00e0; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho bi\u1ec3n\/h\u00f3a ch\u1ea5t.<br \/>\n  &#8211; 430 (17Cr, ferritic, t\u1eeb t\u00ednh): chi ph\u00ed th\u1ea5p, kh\u00e1ng \u0103n m\u00f2n kh\u00ed quy\u1ec3n kh\u00f4 \u1ed5n; d\u00f9ng cho \u1ed1p trang tr\u00ed, thi\u1ebft b\u1ecb n\u1ed9i th\u1ea5t kh\u00f4; h\u00e0n d\u00e0y k\u00e9m h\u01a1n austenitic.<br \/>\n&#8211; Nhi\u1ec1u d\u1ef1 \u00e1n d\u00f9ng 430\/201 \u0111\u00fang ch\u1ed7 ti\u1ebft ki\u1ec7m 10\u201330% chi ph\u00ed v\u1eadt li\u1ec7u m\u00e0 v\u1eabn \u0111\u1ea1t y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Goi_y_chon_nhanh_theo_moi_truong\"><\/span>G\u1ee3i \u00fd ch\u1ecdn nhanh theo m\u00f4i tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Trong nh\u00e0, kh\u00f4 r\u00e1o: 430 ho\u1eb7c 201 (\u01b0u ti\u00ean th\u1ea9m m\u1ef9\/t\u1eeb t\u00ednh\/gi\u00e1).<br \/>\n&#8211; B\u1ebfp, F&#038;B, y t\u1ebf, thi\u1ebft b\u1ecb ti\u1ebfp x\u00fac n\u01b0\u1edbc ng\u1ecdt: 304\/304L.<br \/>\n&#8211; Ven bi\u1ec3n, h\u00f3a ch\u1ea5t nh\u1eb9, n\u01b0\u1edbc mu\u1ed1i: 316\/316L; kh\u1eafc nghi\u1ec7t h\u01a1n: duplex 2205.<br \/>\n&#8211; Nhi\u1ec7t \u0111\u1ed9 cao li\u00ean t\u1ee5c >900\u00b0C: 310S\/309S (kh\u00f4ng d\u00f9ng 304\/316).<\/p>\n<h2 id=\"toc-3-4-lam-tuong-be-mat-cang-bong-thi-chong-gi-cang-tot\"><span class=\"ez-toc-section\" id=\"4_Lam_tuong_Be_mat_cang_bong_thi_chong_gi_cang_tot\"><\/span>4) L\u1ea7m t\u01b0\u1edfng: B\u1ec1 m\u1eb7t c\u00e0ng b\u00f3ng th\u00ec ch\u1ed1ng g\u1ec9 c\u00e0ng t\u1ed1t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Su_that-4\"><\/span>S\u1ef1 th\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; B\u1ec1 m\u1eb7t m\u1ecbn (Ra th\u1ea5p) gi\u1ea3m ch\u1ed7 b\u00e1m b\u1ea9n\/khe l\u01b0u ch\u1ea5t, nh\u01b0ng \u0111\u1ed9 b\u00f3ng kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn m\u00e1c ph\u00f9 h\u1ee3p. Inox b\u00f3ng g\u01b0\u01a1ng No.8 m\u00e1c 201 ngo\u00e0i bi\u1ec3n v\u1eabn r\u1ed7 n\u1ebfu m\u00f4i tr\u01b0\u1eddng v\u01b0\u1ee3t ng\u01b0\u1ee1ng ch\u1ecbu \u0111\u1ef1ng.<br \/>\n&#8211; Gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh:<br \/>\n  &#8211; 2B: Ra ~0,3\u20130,5 \u00b5m, d\u00f9ng cho b\u1ed3n\/b\u1ec3, b\u1ec1 m\u1eb7t v\u1ec7 sinh sau gia c\u00f4ng.<br \/>\n  &#8211; No.4\/HL: Ra ~0,5\u20130,9 \u00b5m, th\u1ea9m m\u1ef9 ph\u1ed5 bi\u1ebfn; d\u1ec5 \u201c\u1ed1 tr\u00e0\u201d h\u01a1n 2B\/BA \u1edf m\u00f4i tr\u01b0\u1eddng mu\u1ed1i.<br \/>\n  &#8211; BA\/No.8 (g\u1ea7n g\u01b0\u01a1ng): Ra r\u1ea5t th\u1ea5p; d\u1ec5 x\u01b0\u1edbc v\u00e0 in d\u1ea5u v\u00e2n tay, \u0111\u00f2i h\u1ecfi b\u1ea3o tr\u00ec k\u1ef9.<br \/>\n&#8211; Heat tint, x\u1ec9 h\u00e0n, bavia c\u01a1 kh\u00ed s\u1ebd tri\u1ec7t ti\u00eau l\u1ee3i \u00edch c\u1ee7a b\u1ea5t k\u1ef3 b\u1ec1 m\u1eb7t n\u00e0o n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng chu\u1ea9n b\u00e0i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khuyen_nghi_thi_cong_bao_tri\"><\/span>Khuy\u1ebfn ngh\u1ecb thi c\u00f4ng &#038; b\u1ea3o tr\u00ec<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Sau h\u00e0n\/gia c\u00f4ng: t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng theo ASTM A380\/A967 \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec7t m\u00e0u v\u00e0 ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng; r\u1eeda k\u1ef9, s\u1ea5y kh\u00f4.<br \/>\n&#8211; Thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc t\u1ed1t, tr\u00e1nh khe k\u1ebd; c\u00e1ch ly v\u1edbi th\u00e9p carbon (\u0111\u1ed3 g\u00e1, ch\u1ed5i th\u00e9p ri\u00eang).<br \/>\n&#8211; V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 b\u1eb1ng ch\u1ea5t t\u1ea9y pH trung t\u00ednh; tr\u00e1nh clo\/mu\u1ed1i b\u00e1m l\u00e2u; kh\u00f4ng d\u00f9ng axit HCl (muriatic) tr\u00ean inox.<\/p>\n<h2 id=\"toc-4-5-lam-tuong-inox-chiu-nhiet-rat-tot-han-the-nao-cu\"><span class=\"ez-toc-section\" id=\"5_Lam_tuong_Inox_chiu_nhiet_rat_tot_han_the_nao_cung_duoc\"><\/span>5) L\u1ea7m t\u01b0\u1edfng: Inox ch\u1ecbu nhi\u1ec7t r\u1ea5t t\u1ed1t, h\u00e0n th\u1ebf n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Su_that-5\"><\/span>S\u1ef1 th\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Ch\u1ecbu nhi\u1ec7t c\u00f3 gi\u1edbi h\u1ea1n v\u00e0 ph\u1ee5 thu\u1ed9c m\u00e1c:<br \/>\n  &#8211; 304\/316 ch\u1ed1ng oxy h\u00f3a cao t\u1edbi ~870\u00b0C (li\u00ean t\u1ee5c) nh\u01b0ng c\u00f3 nguy c\u01a1 \u201cnh\u1ea1y c\u1ea3m h\u00f3a\u201d (sensitization) trong v\u00f9ng 450\u2013850\u00b0C: cacbit Cr k\u1ebft t\u1ee7a \u1edf bi\u00ean gi\u1edbi h\u1ea1t l\u00e0m gi\u1ea3m ch\u1ed1ng \u0103n m\u00f2n li\u00ean h\u1ea1t.<br \/>\n  &#8211; Trong m\u00f4i tr\u01b0\u1eddng c\u00f3 clorua, 304\/316 d\u1ec5 n\u1ee9t \u1ee9ng su\u1ea5t do clorua (Cl-SCC) khi T > ~60\u00b0C. V\u1edbi n\u01b0\u1edbc n\u00f3ng m\u1eb7n, c\u00e2n nh\u1eafc duplex 2205 ho\u1eb7c h\u1ee3p kim cao h\u01a1n.<br \/>\n&#8211; H\u00e0n \u201ct\u1ef1 do\u201d g\u00e2y h\u1ecfng:<br \/>\n  &#8211; Nhi\u1ec7t v\u00e0o qu\u00e1 cao, kh\u00f4ng back-purge khi h\u00e0n \u1ed1ng, ch\u1ecdn sai que\/kim (ER308L cho 304L; ER316L cho 316L), kh\u00f4ng t\u1ea9y heat tint s\u1ebd t\u1ea1o \u0111i\u1ec3m \u0103n m\u00f2n s\u1edbm.<br \/>\n  &#8211; D\u00f9ng ch\u1ed5i\/b\u00faa th\u00e9p carbon l\u00e0m nhi\u1ec5m s\u1eaft b\u1ec1 m\u1eb7t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thuc_hanh_han_dung\"><\/span>Th\u1ef1c h\u00e0nh h\u00e0n \u0111\u00fang<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; D\u00f9ng m\u00e1c L (304L\/316L) khi c\u00f3 h\u00e0n nhi\u1ec1u\/\u0111\u1ed9 d\u00e0y l\u1edbn \u0111\u1ec3 gi\u1ea3m sensitization.<br \/>\n&#8211; Ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0o v\u00e0 nhi\u1ec7t gi\u1eefa l\u1edbp (interpass <150\u00b0C v\u1edbi chi ti\u1ebft m\u1ecfng); back-purge Ar cho \u1ed1ng\/\u0111\u01b0\u1eddng \u1ed1ng.\n- Ch\u1ecdn v\u1eadt li\u1ec7u h\u00e0n \u0111\u00fang m\u00e1c (ER308L\/309L\/316L\u2026); t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng sau h\u00e0n theo ASTM A380\/A967.\n- Kh\u00f4ng d\u00f9ng ch\u1ea5t tr\u1ee3 h\u00e0n ch\u1ee9a clorua; d\u00f9ng d\u1ee5ng c\u1ee5 ch\u1ec9 d\u00e0nh cho inox.\n\n\n\n<h2 id=\"toc-5-checklist-nhanh-chon-dung-inox-ap-dung-tai-xuongco\"><span class=\"ez-toc-section\" id=\"Checklist_nhanh_chon_dung_inox_ap_dung_tai_xuongcong_truong\"><\/span>Checklist nhanh ch\u1ecdn \u0111\u00fang inox (\u00e1p d\u1ee5ng t\u1ea1i x\u01b0\u1edfng\/c\u00f4ng tr\u01b0\u1eddng)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; X\u00e1c \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng: kh\u00f4 \u2013 \u01b0\u1edbt \u2013 clorua \u2013 h\u00f3a ch\u1ea5t \u2013 nhi\u1ec7t \u0111\u1ed9.<br \/>\n&#8211; X\u1ebfp h\u1ea1ng \u01b0u ti\u00ean: ch\u1ed1ng \u0103n m\u00f2n hay chi ph\u00ed hay t\u1eeb t\u00ednh\/h\u00fat nam ch\u00e2m?<br \/>\n&#8211; Ch\u1ecdn m\u00e1c \u0111\u1ec1 xu\u1ea5t: 430\/201 (trong nh\u00e0), 304\/304L (\u0111a d\u1ee5ng), 316\/316L (ven bi\u1ec3n\/h\u00f3a ch\u1ea5t nh\u1eb9), duplex\/310S (\u0111i\u1ec1u ki\u1ec7n \u0111\u1eb7c bi\u1ec7t).<br \/>\n&#8211; Ch\u1ecdn ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: 2B (v\u1ec7 sinh), No.4\/HL (th\u1ea9m m\u1ef9), BA\/No.8 (g\u01b0\u01a1ng).<br \/>\n&#8211; Y\u00eau c\u1ea7u MTC 3.1; PMI XRF ng\u1eabu nhi\u00ean l\u00f4 h\u00e0ng quan tr\u1ecdng.<br \/>\n&#8211; Quy tr\u00ecnh sau gia c\u00f4ng: t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng; v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h2 id=\"toc-6-cac-cau-hoi-nhanh-dap-gon\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_nhanh_%E2%80%93_dap_gon\"><\/span>C\u00e1c c\u00e2u h\u1ecfi nhanh \u2013 \u0111\u00e1p g\u1ecdn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; T\u1ea1i H\u00e0 N\u1ed9i c\u00f3 c\u1ea7n 316 cho ngo\u00e0i tr\u1eddi? M\u01b0a axit v\u00e0 b\u1ee5i b\u1ea9n \u00edt mu\u1ed1i h\u01a1n v\u00f9ng bi\u1ec3n; 304 \u0111\u1ea1t n\u1ebfu thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc t\u1ed1t v\u00e0 v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3. Khu g\u1ea7n \u0111\u01b0\u1eddng cao t\u1ed1c\/b\u00e3i \u0111\u1ed7 xe k\u00edn, c\u00f3 mu\u1ed1i tuy\u1ebft\/ho\u00e1 ch\u1ea5t r\u1eeda \u0111\u01b0\u1eddng th\u00ec c\u00e2n nh\u1eafc 316.<br \/>\n&#8211; V\u00ec sao \u1ed1ng 304 m\u1edbi l\u1eafp \u0111\u00e3 \u201cr\u1ec9 v\u00e0ng\u201d? Th\u01b0\u1eddng do heat tint ch\u01b0a t\u1ea9y, nhi\u1ec5m s\u1eaft t\u1eeb \u0111\u1ed3 g\u00e1 th\u00e9p carbon, ho\u1eb7c \u0111\u1ecdng n\u01b0\u1edbc b\u1ea9n trong khe k\u1ebd.<br \/>\n&#8211; D\u00f9ng 201 cho b\u1ebfp c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c kh\u00f4ng? Kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho khu \u1ea9m\/ti\u1ebfp x\u00fac mu\u1ed1i\/axit th\u1ef1c ph\u1ea9m; ch\u1ecdn 304\/316.<\/p>\n<h2 id=\"toc-7-tai-lieu-tham-khao-chon-loc\"><span class=\"ez-toc-section\" id=\"Tai_lieu_tham_khao_chon_loc\"><\/span>T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u1ecdn l\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; World Stainless (Euro Inox) \u2013 Stainless Steel: Tables of Technical Properties (t\u00ednh ch\u1ea5t m\u00e1c, nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c): https:\/\/www.worldstainless.org\/Files\/issf\/non-image-files\/PDF\/Euro_Inox\/Technical_Info\/Euro_Inox_Tables_TechnicalProperties_EN.pdf<br \/>\n&#8211; Nickel Institute \u2013 The Care and Cleaning of Stainless Steel (b\u1ea3o tr\u00ec, v\u1ec7 sinh): https:\/\/nickelinstitute.org<br \/>\n&#8211; ASSDA Technical FAQs \u2013 Magnetic Properties of Stainless Steel (t\u00ednh t\u1eeb): https:\/\/www.assda.asn.au\/technical-info\/technical-faqs\/magnetic-properties<br \/>\n&#8211; ASTM A380\/A967 \u2013 Cleaning, Descaling, and Passivation of Stainless Steel (ti\u00eau chu\u1ea9n x\u1eed l\u00fd sau gia c\u00f4ng)<br \/>\n&#8211; ISO 15510 \u2013 Chemical composition of stainless steels (th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc danh \u0111\u1ecbnh)<br \/>\n&#8211; Outokumpu Corrosion Handbook (PREN, \u0103n m\u00f2n r\u1ed7\/ke\u0303 h\u1edf): https:\/\/www.outokumpu.com<\/p>\n<h2 id=\"toc-8-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>&#8211; Inox c\u00f3 th\u1ec3 g\u1ec9 n\u1ebfu ch\u1ecdn sai m\u00e1c, thi c\u00f4ng\/b\u1ea3o tr\u00ec kh\u00f4ng chu\u1ea9n.<br \/>\n&#8211; Th\u1eed nam ch\u00e2m kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u201cx\u1ecbn\/gi\u1ea3\u201d; h\u00e3y d\u00f9ng MTC v\u00e0 PMI XRF.<br \/>\n&#8211; 304 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u201ct\u1ed1t nh\u1ea5t\u201d; 316\/duplex cho clorua, 430\/201 cho m\u00f4i tr\u01b0\u1eddng kh\u00f4 gi\u00e1 t\u1ed1t.<br \/>\n&#8211; \u0110\u1ed9 b\u00f3ng kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c m\u00e1c ph\u00f9 h\u1ee3p v\u00e0 x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng chu\u1ea9n.<br \/>\n&#8211; H\u00e0n v\u00e0 nhi\u1ec7t c\u1ea7n ki\u1ec3m so\u00e1t; \u01b0u ti\u00ean m\u00e1c L, que \u0111\u00fang lo\u1ea1i, t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng sau h\u00e0n.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c inox \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u, t\u1ed1i \u01b0u chi ph\u00ed \u2013 tu\u1ed5i th\u1ecd cho d\u1ef1 \u00e1n t\u1ea1i H\u00e0 N\u1ed9i v\u00e0 mi\u1ec1n B\u1eafc? Li\u00ean h\u1ec7 Inox Cuong Thinh \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 v\u1eadt li\u1ec7u t\u01b0 v\u1ea5n 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>Gi\u1ea3i m\u00e3 5 l\u1ea7m t\u01b0\u1edfng v\u1ec1 inox: &#8220;kh\u00f4ng bao gi\u1edd g\u1ec9&#8221;, th\u1eed nam ch\u00e2m, ch\u1ecdn m\u00e1c 304\/316\/201, b\u1ec1 m\u1eb7t b\u00f3ng, h\u00e0n\/ch\u1ecbu nhi\u1ec7t. C\u00f3 s\u1ed1 li\u1ec7u, v\u00ed d\u1ee5, ti\u00eau chu\u1ea9n.<\/p>\n","protected":false},"author":7,"featured_media":1071,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2510","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\/2510","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=2510"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2510\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1071"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}