{"id":2497,"date":"2026-08-27T00:34:48","date_gmt":"2026-08-26T17:34:48","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/"},"modified":"2026-08-27T00:34:48","modified_gmt":"2026-08-26T17:34:48","slug":"xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/","title":{"rendered":"Xu h\u01b0\u1edbng Inox xanh 2026: h\u1ee3p kim m\u1edbi, \u00edt CO2 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;2497&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;Xu h\u01b0\u1edbng Inox xanh 2026: h\u1ee3p kim m\u1edbi, \u00edt CO2 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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#Vi_sao_%E2%80%9CInox_xanh%E2%80%9D_tro_thanh_uu_tien\" >V\u00ec sao \u201cInox xanh\u201d tr\u1edf th\u00e0nh \u01b0u ti\u00ean?<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#6_xu_huong_cong_nghe_dang_dinh_hinh_Inox_xanh\" >6 xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 \u0111ang \u0111\u1ecbnh h\u00ecnh Inox xanh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#1_Thep_khong_gi_phat_thai_thap_Low%E2%80%91Carbon_Stainless_LCS\" >1) Th\u00e9p kh\u00f4ng g\u1ec9 ph\u00e1t th\u1ea3i th\u1ea5p (Low\u2011Carbon Stainless, LCS)<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#2_Dich_chuyen_sang_mac_ferritic_va_%E2%80%9Clean_duplex%E2%80%9D_de_giam_NiMo\" >2) D\u1ecbch chuy\u1ec3n sang m\u00e1c ferritic v\u00e0 \u201clean duplex\u201d \u0111\u1ec3 gi\u1ea3m Ni\/Mo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#3_Tang_do_ben_%E2%80%93_giam_vat_lieu_%E2%80%9Cthiet_ke_mong_di%E2%80%9D\" >3) T\u0103ng \u0111\u1ed9 b\u1ec1n \u2013 gi\u1ea3m v\u1eadt li\u1ec7u: \u201cthi\u1ebft k\u1ebf m\u1ecfng \u0111i\u201d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#4_Be_mat_va_xu_ly_%E2%80%9Cxanh%E2%80%9D_thay_the_hoa_chat_doc_hai\" >4) B\u1ec1 m\u1eb7t v\u00e0 x\u1eed l\u00fd \u201cxanh\u201d thay th\u1ebf h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#5_Minh_bach_phat_thai_va_truy_xuat_nguon_goc\" >5) Minh b\u1ea1ch ph\u00e1t th\u1ea3i v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#6_Kinh_te_tuan_hoan_%E2%80%9Cvong_kin%E2%80%9D_theo_mac\" >6) Kinh t\u1ebf tu\u1ea7n ho\u00e0n: \u201cv\u00f2ng k\u00edn\u201d theo m\u00e1c<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#So_sanh_nhanh_cac_nhom_Inox_%E2%80%9Cxanh%E2%80%9D_theo_ung_dung\" >So s\u00e1nh nhanh c\u00e1c nh\u00f3m Inox \u201cxanh\u201d theo \u1ee9ng d\u1ee5ng<\/a><\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#Huong_dan_chon_mac_cho_khi_hau_Viet_Nam_5_kich_ban_tieu_bieu\" >H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c cho kh\u00ed h\u1eadu Vi\u1ec7t Nam: 5 k\u1ecbch b\u1ea3n ti\u00eau bi\u1ec3u<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#Do_luong_%E2%80%9Cxanh%E2%80%9D_chi_so_va_chung_tu_nen_yeu_cau_tu_nha_cung_cap\" >\u0110o l\u01b0\u1eddng \u201cxanh\u201d: ch\u1ec9 s\u1ed1 v\u00e0 ch\u1ee9ng t\u1eeb n\u00ean y\u00eau c\u1ea7u t\u1eeb nh\u00e0 cung c\u1ea5p<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#Tinh_tong_chi_phi_vong_doi_LCC_de_ra_quyet_dinh\" >T\u00ednh t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi (LCC) \u0111\u1ec3 ra quy\u1ebft \u0111\u1ecbnh<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#Luu_y_ky_thuat_khi_chuyen_sang_ferriticduplex\" >L\u01b0u \u00fd k\u1ef9 thu\u1eadt khi chuy\u1ec3n sang ferritic\/duplex<\/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\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-cho-cong-trinh\/#Cac_nguon_tham_khao_chinh\" >C\u00e1c 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-16\" href=\"https:\/\/inoxcuongthinh.com\/xu-huong-inox-xanh-2026-hop-kim-moi-it-co2-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-vi-sao-inox-xanh-tro-thanh-uu-tien\">V\u00ec sao \u201cInox xanh\u201d tr\u1edf th\u00e0nh \u01b0u ti\u00ean?<\/a><\/li>\n<li><a href=\"#toc-1-6-xu-huong-cong-nghe-dang-dinh-hinh-inox-xanh\">6 xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 \u0111ang \u0111\u1ecbnh h\u00ecnh Inox xanh<\/a><\/li>\n<li><a href=\"#toc-2-so-sanh-nhanh-cac-nhom-inox-xanh-theo-ung-dung\">So s\u00e1nh nhanh c\u00e1c nh\u00f3m Inox \u201cxanh\u201d theo \u1ee9ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-3-huong-dan-chon-mac-cho-khi-hau-viet-nam-5-kich-ban\">H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c cho kh\u00ed h\u1eadu Vi\u1ec7t Nam: 5 k\u1ecbch b\u1ea3n ti\u00eau bi\u1ec3u<\/a><\/li>\n<li><a href=\"#toc-4-do-luong-xanh-chi-so-va-chung-tu-nen-yeu-cau-tu-nh\">\u0110o l\u01b0\u1eddng \u201cxanh\u201d: ch\u1ec9 s\u1ed1 v\u00e0 ch\u1ee9ng t\u1eeb n\u00ean y\u00eau c\u1ea7u t\u1eeb nh\u00e0 cung c\u1ea5p<\/a><\/li>\n<li><a href=\"#toc-5-tinh-tong-chi-phi-vong-doi-lcc-de-ra-quyet-dinh\">T\u00ednh t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi (LCC) \u0111\u1ec3 ra quy\u1ebft \u0111\u1ecbnh<\/a><\/li>\n<li><a href=\"#toc-6-luu-y-ky-thuat-khi-chuyen-sang-ferriticduplex\">L\u01b0u \u00fd k\u1ef9 thu\u1eadt khi chuy\u1ec3n sang ferritic\/duplex<\/a><\/li>\n<li><a href=\"#toc-7-cac-nguon-tham-khao-chinh\">C\u00e1c ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li>\n<li><a href=\"#toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox xanh l\u00e0 th\u1ebf h\u1ec7 th\u00e9p kh\u00f4ng g\u1ec9 \u01b0u ti\u00ean ph\u00e1t th\u1ea3i th\u1ea5p, \u0111\u1ed9 b\u1ec1n cao v\u00e0 d\u1ec5 t\u00e1i ch\u1ebf, gi\u00fap gi\u1ea3m chi ph\u00ed v\u00f2ng \u0111\u1eddi cho c\u00f4ng tr\u00ecnh xanh. B\u00e0i vi\u1ebft n\u00e0y \u0111i th\u1eb3ng v\u00e0o nh\u1eefng xu h\u01b0\u1edbng h\u1ee3p kim, c\u00f4ng ngh\u1ec7 v\u00e0 chu\u1ea9n m\u1ef1c \u0111o l\u01b0\u1eddng m\u1edbi nh\u1ea5t, k\u00e8m h\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c t\u1ed1i \u01b0u cho \u0111i\u1ec1u ki\u1ec7n Vi\u1ec7t Nam.<\/p>\n<h2 id=\"toc-0-vi-sao-inox-xanh-tro-thanh-uu-tien\"><span class=\"ez-toc-section\" id=\"Vi_sao_%E2%80%9CInox_xanh%E2%80%9D_tro_thanh_uu_tien\"><\/span>V\u00ec sao \u201cInox xanh\u201d tr\u1edf th\u00e0nh \u01b0u ti\u00ean?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; M\u1ee5c ti\u00eau Net Zero c\u1ee7a Vi\u1ec7t Nam \u0111\u1ebfn 2050 v\u00e0 chi\u1ebfn l\u01b0\u1ee3c t\u0103ng tr\u01b0\u1edfng xanh \u0111\u00f2i h\u1ecfi v\u1eadt li\u1ec7u c\u00f3 ph\u00e1t th\u1ea3i th\u1ea5p, tu\u1ed5i th\u1ecd cao, d\u1ec5 t\u00e1i ch\u1ebf.<br \/>\n&#8211; C\u00e1c ch\u1ee9ng ch\u1ec9 c\u00f4ng tr\u00ecnh xanh (LOTUS, LEED, EDGE) khuy\u1ebfn kh\u00edch d\u00f9ng v\u1eadt li\u1ec7u c\u00f3 EPD, h\u00e0m l\u01b0\u1ee3ng t\u00e1i ch\u1ebf cao, b\u1ec1n trong m\u00f4i tr\u01b0\u1eddng x\u00e2m th\u1ef1c \u0111\u1ec3 gi\u1ea3m b\u1ea3o tr\u00ec v\u00e0 thay th\u1ebf.<br \/>\n&#8211; Inox v\u1ed1n c\u00f3 v\u00f2ng \u0111\u1eddi d\u00e0i v\u00e0 gi\u00e1 tr\u1ecb t\u00e1i ch\u1ebf cao, nay \u0111\u01b0\u1ee3c \u0111\u1ea9y xa h\u01a1n b\u1eb1ng c\u00f4ng ngh\u1ec7 luy\u1ec7n kim s\u1ea1ch, t\u1ed1i \u01b0u th\u00e0nh ph\u1ea7n h\u1ee3p kim v\u00e0 chu\u1ed7i cung \u1ee9ng minh b\u1ea1ch.<\/p>\n<p>[Tham kh\u1ea3o: worldstainless \u2013 Recycling and Life Cycle of Stainless Steel; VGBC \u2013 LOTUS; USGBC \u2013 LEED v4]<\/p>\n<h2 id=\"toc-1-6-xu-huong-cong-nghe-dang-dinh-hinh-inox-xanh\"><span class=\"ez-toc-section\" id=\"6_xu_huong_cong_nghe_dang_dinh_hinh_Inox_xanh\"><\/span>6 xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 \u0111ang \u0111\u1ecbnh h\u00ecnh Inox xanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Thep_khong_gi_phat_thai_thap_Low%E2%80%91Carbon_Stainless_LCS\"><\/span>1) Th\u00e9p kh\u00f4ng g\u1ec9 ph\u00e1t th\u1ea3i th\u1ea5p (Low\u2011Carbon Stainless, LCS)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; N\u1ec1n t\u1ea3ng: luy\u1ec7n b\u1eb1ng l\u00f2 \u0111i\u1ec7n h\u1ed3 quang (EAF) v\u1edbi \u0111i\u1ec7n t\u00e1i t\u1ea1o, t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u cao, v\u00e0 ferrochrome\/ferro\u2011nickel ngu\u1ed3n \u201cxanh\u201d.<br \/>\n&#8211; Ch\u1ec9 s\u1ed1 ch\u00ednh: Product Carbon Footprint (PCF, kg CO2e\/kg). M\u1ee9c trung b\u00ecnh ng\u00e0nh cho austenitic kho\u1ea3ng 2\u20133 kg CO2e\/kg theo b\u1ed9 d\u1eef li\u1ec7u LCI; c\u00e1c d\u00f2ng LCS ti\u00ean ti\u1ebfn \u0111\u00e3 b\u00e1o c\u00e1o d\u01b0\u1edbi 1 kg CO2e\/kg.<br \/>\n&#8211; T\u00e0i li\u1ec7u minh b\u1ea1ch: EPD Type III theo EN 15804+A2 v\u00e0 ISO 14025; LCA theo ISO 14040\/44; PCF theo ISO 14067.<br \/>\n&#8211; V\u00ed d\u1ee5 th\u1ecb tr\u01b0\u1eddng: Outokumpu c\u00f4ng b\u1ed1 \u201cCircle Green\u201d v\u1edbi m\u1ee9c ph\u00e1t th\u1ea3i CO2e gi\u1ea3m t\u1edbi ~90% so v\u1edbi trung b\u00ecnh to\u00e0n c\u1ea7u cho m\u1ed9t s\u1ed1 m\u00e1c; Aperam\/Acerinox c\u0169ng cung c\u1ea5p d\u1ea3i PCF th\u1ea5p k\u00e8m EPD.<br \/>\nNgu\u1ed3n:<br \/>\n&#8211; worldstainless LCI datasets (2022 update)<br \/>\n&#8211; Outokumpu Circle Green (press\/materials)<br \/>\n&#8211; EN 15804+A2, ISO 14025\/14040\/14044\/14067<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Dich_chuyen_sang_mac_ferritic_va_%E2%80%9Clean_duplex%E2%80%9D_de_giam_NiMo\"><\/span>2) D\u1ecbch chuy\u1ec3n sang m\u00e1c ferritic v\u00e0 \u201clean duplex\u201d \u0111\u1ec3 gi\u1ea3m Ni\/Mo<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Ferritic (v\u00ed d\u1ee5: 430, 441, 444): kh\u00f4ng ch\u1ee9a Ni ho\u1eb7c r\u1ea5t \u00edt Ni, CO2e th\u1ea5p h\u01a1n, t\u1eeb t\u00ednh, gi\u00e1 \u1ed5n \u0111\u1ecbnh; ph\u00f9 h\u1ee3p n\u1ed9i th\u1ea5t, \u1ed1p trang tr\u00ed, thi\u1ebft b\u1ecb, \u1ed1ng x\u1ea3, m\u00f4i tr\u01b0\u1eddng C2\u2013C3. M\u00e1c 444 c\u00f3 Mo v\u00e0 \u1ed5n \u0111\u1ecbnh Nb\/Ti cho kh\u00e1ng r\u1ed7 t\u1ed1t h\u01a1n, d\u00f9ng \u0111\u01b0\u1ee3c ngo\u1ea1i th\u1ea5t ven bi\u1ec3n \u00f4 nhi\u1ec5m v\u1eeba ph\u1ea3i, b\u1ed3n n\u01b0\u1edbc n\u00f3ng, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t.<br \/>\n&#8211; Lean duplex (LDX 2101 \u2013 EN 1.4162\/UNS S32101, 2304 \u2013 S32304): gi\u1ea3m m\u1ea1nh Ni\/Mo nh\u01b0ng \u0111\u1ea1t b\u1ec1n k\u00e9o cao (Rp0.2 ~450\u2013550 MPa), cho ph\u00e9p gi\u1ea3m chi\u1ec1u d\u00e0y 20\u201335% \u1edf k\u1ebft c\u1ea5u\/t\u1ea5m \u1ed1p ch\u1ecbu gi\u00f3; kh\u00e1ng r\u1ed7 Cl\u2011 t\u1ed1t h\u01a1n 304, ti\u1ebfn g\u1ea7n 316 \u1edf nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n.<br \/>\n&#8211; L\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng k\u00e9p: \u00edt kim lo\u1ea1i h\u1ee3p kim khan hi\u1ebfm v\u00e0 gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng s\u1eed d\u1ee5ng.<br \/>\nL\u01b0u \u00fd k\u1ef9 thu\u1eadt: ki\u1ec3m so\u00e1t h\u00e0n (nhi\u1ec7t \u0111\u1ea7u v\u00e0o), ch\u1ecdn que\/kim lo\u1ea1i \u0111i\u1ec1n \u0111\u1ea7y ph\u00f9 h\u1ee3p; ki\u1ec3m tra t\u1ea1o h\u00ecnh s\u00e2u v\u1edbi ferritic d\u00e0y.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Tang_do_ben_%E2%80%93_giam_vat_lieu_%E2%80%9Cthiet_ke_mong_di%E2%80%9D\"><\/span>3) T\u0103ng \u0111\u1ed9 b\u1ec1n \u2013 gi\u1ea3m v\u1eadt li\u1ec7u: \u201cthi\u1ebft k\u1ebf m\u1ecfng \u0111i\u201d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; D\u00f9ng duplex\/lean duplex cho lan can, c\u1ea7u thang, gi\u00e0n \u0111\u1ee1 thi\u1ebft b\u1ecb, m\u00e1ng c\u00e1p, k\u1ebft c\u1ea5u ven bi\u1ec3n c\u00f3 th\u1ec3 gi\u1ea3m chi\u1ec1u d\u00e0y 1\u20132 b\u1eadc so v\u1edbi 304\/316 m\u00e0 v\u1eabn \u0111\u1ea1t \u0111\u1ed9 v\u00f5ng v\u00e0 \u1ed5n \u0111\u1ecbnh m\u1ecfi.<br \/>\n&#8211; L\u1ee3i \u00edch: gi\u1ea3m 15\u201340% kh\u1ed1i l\u01b0\u1ee3ng inox, k\u00e9o theo gi\u1ea3m ph\u00e1t th\u1ea3i ph\u00f4i v\u00e0 v\u1eadn chuy\u1ec3n; \u00edt m\u1ed1i n\u1ed1i h\u01a1n, ti\u1ebft ki\u1ec7m th\u1eddi gian l\u1eafp \u0111\u1eb7t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Be_mat_va_xu_ly_%E2%80%9Cxanh%E2%80%9D_thay_the_hoa_chat_doc_hai\"><\/span>4) B\u1ec1 m\u1eb7t v\u00e0 x\u1eed l\u00fd \u201cxanh\u201d thay th\u1ebf h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; PVD (TiN, TiCN, ZrN\u2026) tr\u00ean n\u1ec1n inox: kh\u00f4ng Cr(VI), ph\u00e1t th\u1ea3i th\u1ea5p h\u01a1n m\u1ea1 \u0111i\u1ec7n truy\u1ec1n th\u1ed1ng; t\u0103ng c\u1ee9ng b\u1ec1 m\u1eb7t, gi\u1ea3m b\u00e1m b\u1ea9n, \u0111a d\u1ea1ng m\u00e0u trang tr\u00ed b\u1ec1n UV.<br \/>\n&#8211; \u0110i\u1ec7n h\u00f3a b\u00f3ng (electropolishing): gi\u1ea3m \u0111\u1ed9 nh\u00e1m, lo\u1ea1i b\u1ecf vi t\u1ea1p, t\u0103ng kh\u00e1ng \u0103n m\u00f2n, gi\u1ea3m nhu c\u1ea7u t\u1ea9y r\u1eeda \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; Th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1eb1ng axit citric (theo ASTM A967) thay HNO3: th\u00e2n thi\u1ec7n m\u00f4i tr\u01b0\u1eddng, an to\u00e0n h\u01a1n cho x\u01b0\u1edfng l\u1eafp \u0111\u1eb7t\/thi c\u00f4ng trong \u0111\u00f4 th\u1ecb.<br \/>\nNgu\u1ed3n:<br \/>\n&#8211; ASTM A967\/A967M \u2013 Chemical Passivation of Stainless Steel<br \/>\n&#8211; T\u00e0i li\u1ec7u nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb PVD\/electropolishing<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Minh_bach_phat_thai_va_truy_xuat_nguon_goc\"><\/span>5) Minh b\u1ea1ch ph\u00e1t th\u1ea3i v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; EPD theo EN 15804+A2 cho t\u1eebng nh\u00e0 m\u00e1y\/m\u00e1c; PCF theo l\u00f4 (heat\/coil) k\u00e8m m\u00e3 QR.<br \/>\n&#8211; Ch\u1ee9ng nh\u1eadn ResponsibleSteel\/ISO 14001 cho nh\u00e0 m\u00e1y luy\u1ec7n \u2013 \u0111\u1ea3m b\u1ea3o qu\u1ea3n tr\u1ecb m\u00f4i tr\u01b0\u1eddng v\u00e0 nh\u00e2n quy\u1ec1n trong chu\u1ed7i cung \u1ee9ng.<br \/>\n&#8211; D\u1eef li\u1ec7u n\u01b0\u1edbc ti\u00eau th\u1ee5, n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o %, t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u t\u00e1i ch\u1ebf, v\u1eadn t\u1ea3i (well\u2011to\u2011gate) \u2013 c\u00e1c ch\u1ec9 s\u1ed1 \u0111ang d\u1ea7n tr\u1edf th\u00e0nh \u0111i\u1ec1u kho\u1ea3n b\u1eaft bu\u1ed9c trong h\u1ed3 s\u01a1 m\u1eddi th\u1ea7u xanh.<\/p>\n<p>Ngu\u1ed3n:<br \/>\n&#8211; ResponsibleSteel standard<br \/>\n&#8211; EN 15804+A2 EPD, ISO 14001<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Kinh_te_tuan_hoan_%E2%80%9Cvong_kin%E2%80%9D_theo_mac\"><\/span>6) Kinh t\u1ebf tu\u1ea7n ho\u00e0n: \u201cv\u00f2ng k\u00edn\u201d theo m\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Ph\u00e2n lu\u1ed3ng ph\u1ebf li\u1ec7u theo \u0111\u00fang m\u00e1c (grade segregation) \u0111\u1ec3 duy tr\u00ec gi\u00e1 tr\u1ecb niken\/molypden, tr\u00e1nh \u201cdowngrade\u201d.<br \/>\n&#8211; Ch\u01b0\u01a1ng tr\u00ecnh take\u2011back: thu h\u1ed3i ph\u1ebf li\u1ec7u s\u1ea3n xu\u1ea5t\/\u0111\u1ed5i tr\u1ea3 t\u1ea1i c\u00f4ng tr\u01b0\u1eddng, h\u1ee3p \u0111\u1ed3ng mua l\u1ea1i theo h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i.<br \/>\n&#8211; Thi\u1ebft k\u1ebf th\u00e1o l\u1eafp (Design for Disassembly): li\u00ean k\u1ebft c\u01a1 kh\u00ed thay v\u00ec h\u00e0n k\u00edn \u1edf h\u1ea1ng m\u1ee5c c\u00f3 chu k\u1ef3 c\u1ea3i t\u1ea1o ng\u1eafn (bi\u1ec3n b\u1ea3ng, kiosk, n\u1ed9i th\u1ea5t trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i).<\/p>\n<p>Ngu\u1ed3n:<br \/>\n&#8211; worldstainless \u2013 Stainless steel recycling rate ~86% EoL, h\u00e0m l\u01b0\u1ee3ng t\u00e1i ch\u1ebf trung b\u00ecnh ~60%<\/p>\n<h2 id=\"toc-2-so-sanh-nhanh-cac-nhom-inox-xanh-theo-ung-dung\"><span class=\"ez-toc-section\" id=\"So_sanh_nhanh_cac_nhom_Inox_%E2%80%9Cxanh%E2%80%9D_theo_ung_dung\"><\/span>So s\u00e1nh nhanh c\u00e1c nh\u00f3m Inox \u201cxanh\u201d theo \u1ee9ng d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; N\u1ed9i th\u1ea5t, thi\u1ebft b\u1ecb trong nh\u00e0 kh\u00f4 (H\u00e0 N\u1ed9i, \u0110\u00e0 L\u1ea1t): 430\/441 \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 CO2e; 304 khi y\u00eau c\u1ea7u t\u1ea1o h\u00ecnh s\u00e2u, h\u00e0n nhi\u1ec1u.<br \/>\n&#8211; Ngo\u1ea1i th\u1ea5t \u0111\u00f4 th\u1ecb xa bi\u1ec3n (C2\u2013C3): 304\/441\/444 t\u00f9y \u0111\u1ed9 \u00f4 nhi\u1ec5m SOx\/NOx; x\u1eed l\u00fd electropolish ho\u1eb7c bead\u2011blast ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 gi\u1ea3m b\u00e1m b\u1ea9n.<br \/>\n&#8211; Ven bi\u1ec3n, gi\u00f3 mu\u1ed1i (H\u1ea3i Ph\u00f2ng, Qu\u1ea3ng Ninh, \u0110\u00e0 N\u1eb5ng \u2013 C4\/C5): 316L\/444 cho \u1ed1p m\u1eb7t \u0111\u1ee9ng, lan can; 2205\/2304 cho k\u1ebft c\u1ea5u, m\u00e1ng c\u00e1p, bulong quan tr\u1ecdng.<br \/>\n&#8211; H\u1ec7 th\u1ed1ng n\u01b0\u1edbc, x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i: 316L cho b\u1ec3, 2205 cho v\u00f9ng c\u00f3 Cl\u2011 cao ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 t\u0103ng; y\u00eau c\u1ea7u pickling v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a chu\u1ea9n.<br \/>\n&#8211; Gi\u00e1 \u0111\u1ee1 pin m\u1eb7t tr\u1eddi g\u1ea7n bi\u1ec3n: 316L ho\u1eb7c lean duplex \u0111\u1ec3 tr\u00e1nh r\u1ec9 s\u00e9t s\u1edbm so v\u1edbi th\u00e9p m\u1ea1 k\u1ebdm; tu\u1ed5i th\u1ecd ph\u00f9 h\u1ee3p v\u00f2ng \u0111\u1eddi d\u1ef1 \u00e1n 25\u201330 n\u0103m.<\/p>\n<h2 id=\"toc-3-huong-dan-chon-mac-cho-khi-hau-viet-nam-5-kich-ban\"><span class=\"ez-toc-section\" id=\"Huong_dan_chon_mac_cho_khi_hau_Viet_Nam_5_kich_ban_tieu_bieu\"><\/span>H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c cho kh\u00ed h\u1eadu Vi\u1ec7t Nam: 5 k\u1ecbch b\u1ea3n ti\u00eau bi\u1ec3u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1) Lan can kh\u00e1ch s\u1ea1n m\u1eb7t bi\u1ec3n \u0110\u00e0 N\u1eb5ng (phun s\u01b0\u01a1ng mu\u1ed1i, b\u1ea3o tr\u00ec kh\u00f3):<br \/>\n&#8211; \u01afu ti\u00ean: 2205\/2304 \u0111\u1ec3 gi\u1ea3m chi\u1ec1u d\u00e0y ~20\u201330% so v\u1edbi 316L, kh\u00e1ng r\u1ed7\/kh\u1edbp m\u1ecfi t\u1ed1t.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: electropolish, m\u1ed1i h\u00e0n pickling + passivation citric (ASTM A967).<br \/>\n2) \u1ed0p m\u1eb7t d\u1ef1ng trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i n\u1ed9i \u0111\u00f4 H\u00e0 N\u1ed9i:<br \/>\n&#8211; Gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m CO2e: 441\/444 \u0111\u00e1nh x\u01b0\u1edbc hairline\/PVD m\u00e0u; khung treo c\u00f3 th\u1ec3 d\u00f9ng 304 LCS (PCF th\u1ea5p) \u0111\u1ec3 t\u1ed1i \u01b0u t\u1ea1o h\u00ecnh.<br \/>\n3) \u0110\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc RO v\u00e0 CIP th\u1ef1c ph\u1ea9m:<br \/>\n&#8211; 316L LCS (EPD r\u00f5 r\u00e0ng) cho \u1ed1ng\/ph\u1ee5 ki\u1ec7n; ki\u1ec3m so\u00e1t ferit m\u1ed1i h\u00e0n; n\u1ed9i ki\u1ec3m \u0111\u1ed9 nh\u00e1m sau \u0111i\u1ec7n h\u00f3a.<br \/>\n4) M\u00e1ng c\u00e1p ngo\u00e0i tr\u1eddi trong khu c\u00f4ng nghi\u1ec7p g\u1ea7n bi\u1ec3n (H\u1ea3i Ph\u00f2ng):<br \/>\n&#8211; Lean duplex 2304\/LDX2101 m\u1ea1 th\u1ee5 \u0111\u1ed9ng, thi\u1ebft k\u1ebf \u0111\u1ed9t l\u1ed7 t\u1ed1i \u01b0u tho\u00e1t n\u01b0\u1edbc; l\u1eafp bu l\u00f4ng 316.<br \/>\n5) B\u1ed3n n\u01b0\u1edbc n\u00f3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi m\u00e1i nh\u00e0:<br \/>\n&#8211; 444\/316L; ch\u1ecdn nh\u00e0 cung c\u1ea5p c\u00f3 EPD v\u00e0 cam k\u1ebft take\u2011back v\u1ecf b\u1ed3n sau s\u1eed d\u1ee5ng.<\/p>\n<h2 id=\"toc-4-do-luong-xanh-chi-so-va-chung-tu-nen-yeu-cau-tu-nh\"><span class=\"ez-toc-section\" id=\"Do_luong_%E2%80%9Cxanh%E2%80%9D_chi_so_va_chung_tu_nen_yeu_cau_tu_nha_cung_cap\"><\/span>\u0110o l\u01b0\u1eddng \u201cxanh\u201d: ch\u1ec9 s\u1ed1 v\u00e0 ch\u1ee9ng t\u1eeb n\u00ean y\u00eau c\u1ea7u t\u1eeb nh\u00e0 cung c\u1ea5p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; PCF theo ISO 14067 (kg CO2e\/kg) \u1edf m\u1ee9c cu\u1ed9n\/l\u00f4, ph\u1ea1m vi A1\u2013A3.<br \/>\n&#8211; EPD Type III theo EN 15804+A2, do b\u00ean th\u1ee9 ba x\u00e1c nh\u1eadn.<br \/>\n&#8211; H\u00e0m l\u01b0\u1ee3ng ph\u1ebf li\u1ec7u t\u00e1i ch\u1ebf (%) theo khai b\u00e1o chu\u1ea9n (pre\u2011consumer\/post\u2011consumer).<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9 nh\u00e0 m\u00e1y: ResponsibleSteel, ISO 14001, ISO 50001 (n\u0103ng l\u01b0\u1ee3ng).<br \/>\n&#8211; Khai b\u00e1o h\u00f3a ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t (kh\u00f4ng Cr(VI)), quy tr\u00ecnh pickling\/passivation (ASTM A380\/A967).<\/p>\n<p>Ngu\u1ed3n:<br \/>\n&#8211; EN 15804+A2; ISO 14025\/14067; ASTM A380\/A967; ResponsibleSteel<\/p>\n<h2 id=\"toc-5-tinh-tong-chi-phi-vong-doi-lcc-de-ra-quyet-dinh\"><span class=\"ez-toc-section\" id=\"Tinh_tong_chi_phi_vong_doi_LCC_de_ra_quyet_dinh\"><\/span>T\u00ednh t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi (LCC) \u0111\u1ec3 ra quy\u1ebft \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00f4ng th\u1ee9c r\u00fat g\u1ecdn:<br \/>\nLCC = Chi ph\u00ed v\u1eadt li\u1ec7u + gia c\u00f4ng + l\u1eafp \u0111\u1eb7t + b\u1ea3o tr\u00ec\/ l\u00e0m s\u1ea1ch \u0111\u1ecbnh k\u1ef3 + thay th\u1ebf (n\u1ebfu c\u00f3) \u2013 gi\u00e1 tr\u1ecb thu h\u1ed3i ph\u1ebf li\u1ec7u<\/p>\n<p>V\u00ed d\u1ee5 so s\u00e1nh lan can 100 m t\u1ea1i khu C4 ven bi\u1ec3n (\u01b0\u1edbc l\u01b0\u1ee3ng cho quy\u1ebft \u0111\u1ecbnh s\u01a1 b\u1ed9):<br \/>\n&#8211; Ph\u01b0\u01a1ng \u00e1n A: SUS201 d\u00e0y 1.5 mm, thay sau m\u1ed7i 4\u20135 n\u0103m do r\u1ec9 n\u1eb7ng.<br \/>\n&#8211; Ph\u01b0\u01a1ng \u00e1n B: 316L LCS d\u00e0y 1.5 mm, tu\u1ed5i th\u1ecd >20 n\u0103m, l\u00e0m s\u1ea1ch \u0111\u1ecbnh k\u1ef3 nh\u1eb9.<br \/>\n&#8211; Ph\u01b0\u01a1ng \u00e1n C: 2205 d\u00e0y 1.2\u20131.3 mm, tu\u1ed5i th\u1ecd >25 n\u0103m, l\u00e0m s\u1ea1ch \u0111\u1ecbnh k\u1ef3 nh\u1eb9.<br \/>\nK\u1ebft qu\u1ea3 th\u01b0\u1eddng th\u1ea5y: B v\u00e0 C c\u00f3 CAPEX cao h\u01a1n 20\u201350% nh\u01b0ng LCC 20\u201335 n\u0103m th\u1ea5p h\u01a1n 10\u201330% nh\u1edd gi\u1ea3m thay th\u1ebf, nh\u00e2n c\u00f4ng, ng\u1eebng khai th\u00e1c v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb thu h\u1ed3i ph\u1ebf li\u1ec7u cao. L\u01b0u \u00fd ch\u1ea1y LCC theo d\u1eef li\u1ec7u \u0111\u1ecba ph\u01b0\u01a1ng, gi\u00e1 nh\u00e2n c\u00f4ng v\u00e0 l\u1ecbch b\u1ea3o tr\u00ec th\u1ef1c t\u1ebf.<\/p>\n<h2 id=\"toc-6-luu-y-ky-thuat-khi-chuyen-sang-ferriticduplex\"><span class=\"ez-toc-section\" id=\"Luu_y_ky_thuat_khi_chuyen_sang_ferriticduplex\"><\/span>L\u01b0u \u00fd k\u1ef9 thu\u1eadt khi chuy\u1ec3n sang ferritic\/duplex<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00e0n: ki\u1ec3m so\u00e1t n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1eddng; d\u00f9ng v\u1eadt li\u1ec7u \u0111i\u1ec1n \u0111\u1ea7y t\u01b0\u01a1ng th\u00edch (duplex c\u1ea7n c\u00e2n b\u1eb1ng austenite\/ferrite), pickling + passivation sau h\u00e0n.<br \/>\n&#8211; T\u1ea1o h\u00ecnh: ferritic \u0111\u1ed9 gi\u00e3n d\u00e0i th\u1ea5p h\u01a1n 304; c\u1ea7n b\u00e1n k\u00ednh u\u1ed1n l\u1edbn h\u01a1n v\u00e0 b\u00f4i tr\u01a1n ph\u00f9 h\u1ee3p.<br \/>\n&#8211; T\u1eeb t\u00ednh v\u00e0 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a: tr\u00e1nh gh\u00e9p v\u1edbi kim lo\u1ea1i k\u00e9m h\u01a1n trong m\u00f4i tr\u01b0\u1eddng \u1ea9m m\u1eb7n; t\u00e1ch \u0111i\u1ec7n ho\u1eb7c d\u00f9ng bulong c\u00f9ng m\u00e1c.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: ho\u00e0n thi\u1ec7n t\u1ed1t (2B\/BA\/electropolish) gi\u00fap t\u0103ng kh\u00e1ng r\u1ed7; h\u1ea1n ch\u1ebf v\u1ebft x\u01b0\u1edbc s\u00e2u gi\u1eef mu\u1ed1i.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t: ASTM A240 (t\u1ea5m), ASTM A312 (\u1ed1ng), th\u1eed pitting (CPT\/PN), th\u1eed mu\u1ed1i x\u1ecbt (ISO 9227) cho so s\u00e1nh n\u1ed9i b\u1ed9.<\/p>\n<h2 id=\"toc-7-cac-nguon-tham-khao-chinh\"><span class=\"ez-toc-section\" id=\"Cac_nguon_tham_khao_chinh\"><\/span>C\u00e1c ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; worldstainless (International Stainless Steel Forum): Recycling, LCI datasets, average recycled content and EoL recycling rates. https:\/\/www.worldstainless.org<br \/>\n&#8211; Outokumpu Circle Green: d\u1eef li\u1ec7u PCF th\u1ea5p v\u00e0 EPD. https:\/\/www.outokumpu.com<br \/>\n&#8211; EN 15804+A2 v\u00e0 ISO 14025\/14040\/14044\/14067: EPD v\u00e0 LCA cho s\u1ea3n ph\u1ea9m x\u00e2y d\u1ef1ng.<br \/>\n&#8211; ASTM A380\/A967: l\u00e0m s\u1ea1ch, t\u1ea9y g\u1ec9, th\u1ee5 \u0111\u1ed9ng h\u00f3a inox.<br \/>\n&#8211; ResponsibleSteel: ch\u1ee9ng nh\u1eadn c\u01a1 s\u1edf luy\u1ec7n th\u00e9p. https:\/\/www.responsiblesteel.org<br \/>\n&#8211; VGBC \u2013 LOTUS v\u00e0 USGBC \u2013 LEED v4: t\u00edn ch\u1ec9 v\u1eadt li\u1ec7u, EPD, v\u00f2ng \u0111\u1eddi.<\/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 xanh kh\u00f4ng ch\u1ec9 l\u00e0 \u201c\u00edt CO2e\u201d m\u00e0 l\u00e0 t\u1ed5 h\u1ee3p: h\u1ee3p kim \u0111\u00fang (ferritic\/lean duplex\/LCS), thi\u1ebft k\u1ebf m\u1ecfng \u0111i, x\u1eed l\u00fd b\u1ec1 m\u1eb7t s\u1ea1ch, minh b\u1ea1ch EPD\/PCF v\u00e0 m\u00f4 h\u00ecnh tu\u1ea7n ho\u00e0n.<br \/>\n&#8211; \u1ede Vi\u1ec7t Nam, chuy\u1ec3n t\u1eeb 201\/304 truy\u1ec1n th\u1ed1ng sang 444\/316L LCS\/lean duplex \u1edf h\u1ea1ng m\u1ee5c ngo\u1ea1i th\u1ea5t v\u00e0 ven bi\u1ec3n gi\u00fap gi\u1ea3m thay th\u1ebf, c\u1eaft m\u1ea1nh chi ph\u00ed v\u00f2ng \u0111\u1eddi v\u00e0 r\u1ee7i ro th\u1ea9m m\u1ef9.<br \/>\n&#8211; H\u00e3y y\u00eau c\u1ea7u d\u1eef li\u1ec7u PCF\/EPD, h\u00e0m l\u01b0\u1ee3ng t\u00e1i ch\u1ebf, ch\u1ee9ng ch\u1ec9 nh\u00e0 m\u00e1y v\u00e0 tu\u00e2n th\u1ee7 ASTM\/EN trong x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u201cxanh\u201d \u0111i k\u00e8m \u0111\u1ed9 b\u1ec1n th\u1eadt.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n m\u00e1c inox ph\u00f9 h\u1ee3p d\u1ef1 \u00e1n, b\u00e1o gi\u00e1 v\u00e0 h\u1ed3 s\u01a1 EPD\/PCF? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u2013 Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To\u00e0n c\u1ea3nh Inox xanh: th\u00e9p kh\u00f4ng g\u1ec9 ph\u00e1t th\u1ea3i th\u1ea5p, ferritic\/lean duplex, EPD, t\u00e1i ch\u1ebf. H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c cho kh\u00ed h\u1eadu Vi\u1ec7t Nam v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n","protected":false},"author":7,"featured_media":1030,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2497","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\/2497","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=2497"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2497\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1030"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}