{"id":1989,"date":"2026-05-07T00:34:08","date_gmt":"2026-05-06T17:34:08","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/xu-huong-inox-xanh-2026-mac-thep-moi-va-san-xuat-low-carbon\/"},"modified":"2026-05-07T00:34:08","modified_gmt":"2026-05-06T17:34:08","slug":"xu-huong-inox-xanh-2026-mac-thep-moi-va-san-xuat-low-carbon","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/xu-huong-inox-xanh-2026-mac-thep-moi-va-san-xuat-low-carbon\/","title":{"rendered":"Xu h\u01b0\u1edbng Inox xanh 2026: m\u00e1c th\u00e9p m\u1edbi v\u00e0 s\u1ea3n xu\u1ea5t low\u2011carbon"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-vi-sao-inox-xanh-tro-thanh-trong-tam\">V\u00ec sao \u201cInox xanh\u201d tr\u1edf th\u00e0nh tr\u1ecdng t\u00e2m?<\/a><\/li>\n<li><a href=\"#toc-1-buc-tranh-phat-thai-cua-inox-hien-nay\">B\u1ee9c tranh ph\u00e1t th\u1ea3i c\u1ee7a inox hi\u1ec7n nay<\/a><\/li>\n<li><a href=\"#toc-2-xu-huong-cong-nghe-san-xuat-xanh\">Xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t \u201cxanh\u201d<\/a><\/li>\n<li><a href=\"#toc-3-xu-huong-mac-inox-moi-it-tai-nguyen-khan-hiem-va-t\">Xu h\u01b0\u1edbng m\u00e1c inox \u201cm\u1edbi\u201d, \u00edt t\u00e0i nguy\u00ean khan hi\u1ebfm v\u00e0 th\u00e2n thi\u1ec7n h\u01a1n<\/a><\/li>\n<li><a href=\"#toc-4-tieu-chi-danh-gia-inox-xanh-khi-mua-hang-o-viet-na\">Ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 \u201cInox xanh\u201d khi mua h\u00e0ng \u1edf Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-5-ung-dung-tieu-bieu-va-goi-y-chon-mac-xanh\">\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u v\u00e0 g\u1ee3i \u00fd ch\u1ecdn m\u00e1c \u201cxanh\u201d<\/a><\/li>\n<li><a href=\"#toc-6-vi-du-tinh-nhanh-loi-ich-xanh-voi-lean-duplex\">V\u00ed d\u1ee5 t\u00ednh nhanh l\u1ee3i \u00edch \u201cxanh\u201d v\u1edbi lean duplex<\/a><\/li>\n<li><a href=\"#toc-7-tich-hop-inox-vao-chung-chi-cong-trinh-xanh\">T\u00edch h\u1ee3p inox v\u00e0o ch\u1ee9ng ch\u1ec9 c\u00f4ng tr\u00ecnh xanh<\/a><\/li>\n<li><a href=\"#toc-8-lo-trinh-trien-khai-cho-chu-dau-tunha-thau\">L\u1ed9 tr\u00ecnh tri\u1ec3n khai cho ch\u1ee7 \u0111\u1ea7u t\u01b0\/nh\u00e0 th\u1ea7u<\/a><\/li>\n<li><a href=\"#toc-9-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox \u0111ang chuy\u1ec3n m\u00ecnh m\u1ea1nh m\u1ebd theo h\u01b0\u1edbng \u201cxanh\u201d nh\u1edd c\u00f4ng ngh\u1ec7 luy\u1ec7n kim low\u2011carbon v\u00e0 c\u00e1c m\u00e1c th\u00e9p t\u1ed1i \u01b0u t\u00e0i nguy\u00ean. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p xu h\u01b0\u1edbng m\u1edbi nh\u1ea5t: t\u1eeb nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t d\u00f9ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, t\u0103ng t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u, \u0111\u1ebfn l\u1ef1a ch\u1ecdn m\u00e1c ferritic, lean duplex, austenitic Ni\u2011th\u1ea5p gi\u00fap gi\u1ea3m ph\u00e1t th\u1ea3i nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng trong c\u00f4ng tr\u00ecnh xanh v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<h2 id=\"toc-0-vi-sao-inox-xanh-tro-thanh-trong-tam\">V\u00ec sao \u201cInox xanh\u201d tr\u1edf th\u00e0nh tr\u1ecdng t\u00e2m?<\/h2>\n<p>Inox v\u1ed1n n\u1ed5i ti\u1ebfng v\u1ec1 \u0111\u1ed9 b\u1ec1n, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 t\u00e1i ch\u1ebf. Trong b\u1ee9c tranh b\u1ec1n v\u1eefng, hai y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u201c\u0111\u1ed9 xanh\u201d c\u1ee7a inox l\u00e0:<br \/>\n&#8211; D\u1ea5u ch\u00e2n carbon t\u1eeb khi khai th\u00e1c \u2013 luy\u1ec7n kim \u2013 c\u00e1n (cradle\u2011to\u2011gate), ph\u1ee5 thu\u1ed9c l\u00f2 luy\u1ec7n, n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u.<br \/>\n&#8211; Tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i ch\u1ebf cu\u1ed1i v\u00f2ng \u0111\u1eddi, gi\u00fap gi\u1ea3m thay th\u1ebf, ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u v\u00e0 n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>Nh\u00ecn r\u1ed9ng h\u01a1n trong h\u1ec7 sinh th\u00e1i x\u00e2y d\u1ef1ng b\u1ec1n v\u1eefng, inox gi\u00fap t\u1ed1i \u01b0u v\u00f2ng \u0111\u1eddi c\u00f4ng tr\u00ecnh (\u00edt b\u1ea3o tr\u00ec, \u00edt thay th\u1ebf), \u0111\u00f3ng g\u00f3p \u0111i\u1ec3m s\u1ed1 cho c\u00e1c h\u1ec7 th\u1ed1ng LOTUS, LEED\/BREEAM khi c\u00f3 EPD v\u00e0 h\u00e0m l\u01b0\u1ee3ng t\u00e1i ch\u1ebf ch\u1ee9ng minh \u0111\u01b0\u1ee3c.<\/p>\n<h2 id=\"toc-1-buc-tranh-phat-thai-cua-inox-hien-nay\">B\u1ee9c tranh ph\u00e1t th\u1ea3i c\u1ee7a inox hi\u1ec7n nay<\/h2>\n<p>&#8211; Luy\u1ec7n th\u00e9p b\u1eb1ng l\u00f2 h\u1ed3 quang \u0111i\u1ec7n (EAF) v\u1edbi t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u cao l\u00e0 con \u0111\u01b0\u1eddng c\u00f3 ph\u00e1t th\u1ea3i th\u1ea5p h\u01a1n so v\u1edbi tuy\u1ebfn t\u00edch h\u1ee3p t\u1eeb qu\u1eb7ng.<br \/>\n&#8211; N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 nhi\u00ean li\u1ec7u sinh h\u1ecdc\/than sinh h\u1ecdc cho luy\u1ec7n kim ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn \u1edf ch\u00e2u \u00c2u\/M\u1ef9.<br \/>\n&#8211; Theo worldstainless, inox c\u00f3 t\u1ef7 l\u1ec7 thu h\u1ed3i cu\u1ed1i v\u00f2ng \u0111\u1eddi r\u1ea5t cao (x\u1ea5p x\u1ec9 85%), v\u00e0 t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u \u0111\u01b0a v\u00e0o l\u00f2 luy\u1ec7n trung b\u00ecnh to\u00e0n c\u1ea7u cao (dao \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 theo khu v\u1ef1c v\u00e0 nh\u00e0 m\u00e1y). \u0110\u00e2y l\u00e0 l\u1ee3i th\u1ebf c\u1ed1t l\u00f5i c\u1ee7a inox v\u1ec1 kinh t\u1ebf tu\u1ea7n ho\u00e0n. Ngu\u1ed3n: worldstainless.<\/p>\n<h2 id=\"toc-2-xu-huong-cong-nghe-san-xuat-xanh\">Xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t \u201cxanh\u201d<\/h2>\n<h3>T\u0103ng t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u + EAF + \u0111i\u1ec7n t\u00e1i t\u1ea1o<\/h3>\n<p>&#8211; S\u1eed d\u1ee5ng ph\u1ebf li\u1ec7u kim lo\u1ea1i kh\u00f4ng ch\u1ec9 gi\u1ea3m ph\u00e1t th\u1ea3i m\u00e0 c\u00f2n ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean Ni\/Cr\/Mo. Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1 c\u00e1c d\u00f2ng inox \u201clow\u2011carbon\u201d nh\u1edd t\u1ed1i \u01b0u ph\u1ebf li\u1ec7u v\u00e0 d\u00f9ng \u0111i\u1ec7n t\u00e1i t\u1ea1o.<br \/>\n&#8211; C\u00e1c EPD (Environmental Product Declaration) theo EN 15804\/ISO 14025 v\u00e0 d\u1ea5u ch\u00e2n carbon theo ISO 14067 \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh ng\u00e0y c\u00e0ng r\u1ed9ng, cho ph\u00e9p ch\u1ee7 \u0111\u1ea7u t\u01b0 so s\u00e1nh minh b\u1ea1ch.<\/p>\n<h3>Nhi\u00ean li\u1ec7u sinh h\u1ecdc, v\u1eadt li\u1ec7u kh\u1eed xanh v\u00e0 th\u1eed nghi\u1ec7m hydro<\/h3>\n<p>&#8211; Thay than c\u1ed1c b\u1eb1ng sinh kh\u1ed1i\/bio\u2011coke, t\u1ed1i \u01b0u kh\u00ed l\u00f2 v\u00e0 s\u1ea5y\/\u0111\u1ed1t tr\u01b0\u1edbc ph\u00f4i b\u1eb1ng \u0111i\u1ec7n\/kh\u00ed xanh.<br \/>\n&#8211; M\u1ed9t s\u1ed1 d\u1ef1 \u00e1n th\u00ed \u0111i\u1ec3m d\u00f9ng hydro xanh trong c\u00f4ng \u0111o\u1ea1n ho\u00e0n nguy\u00ean s\u1eaft (DRI) \u1edf ng\u00e0nh th\u00e9p, m\u1edf h\u01b0\u1edbng \u00e1p d\u1ee5ng d\u00e0i h\u1ea1n cho inox khi ngu\u1ed3n nguy\u00ean li\u1ec7u ph\u00f9 h\u1ee3p.<\/p>\n<h3>Inox low\u2011carbon th\u01b0\u01a1ng m\u1ea1i<\/h3>\n<p>&#8211; Outokumpu \u201cCircle Green\u201d c\u00f4ng b\u1ed1 d\u1ea5u ch\u00e2n carbon th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi trung b\u00ecnh ng\u00e0nh, nh\u1edd \u0111i\u1ec7n t\u00e1i t\u1ea1o v\u00e0 t\u1ed1i \u01b0u ph\u1ebf li\u1ec7u.<br \/>\n&#8211; Aperam gi\u1edbi thi\u1ec7u d\u00f2ng \u201cRecycled &#038; Renewably produced (RRP)\u201d nh\u1ea5n m\u1ea1nh ph\u00e1t th\u1ea3i c\u1ef1c th\u1ea5p nh\u1edd EAF + n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<br \/>\n&#8211; C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c (Acerinox, Marcegaglia\u2026) c\u0169ng \u0111\u01b0a ra EPD\/m\u00e1c low\u2011carbon. Tham kh\u1ea3o EPD ho\u1eb7c tuy\u00ean b\u1ed1 LCA ch\u00ednh th\u1ee9c c\u1ee7a t\u1eebng h\u00e3ng tr\u01b0\u1edbc khi ch\u1ecdn.<\/p>\n<p>Ngu\u1ed3n: Outokumpu Circle Green; Aperam Sustainability\/Products; EPD Program Operators.<\/p>\n<h2 id=\"toc-3-xu-huong-mac-inox-moi-it-tai-nguyen-khan-hiem-va-t\">Xu h\u01b0\u1edbng m\u00e1c inox \u201cm\u1edbi\u201d, \u00edt t\u00e0i nguy\u00ean khan hi\u1ebfm v\u00e0 th\u00e2n thi\u1ec7n h\u01a1n<\/h2>\n<p>M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a c\u00e1c m\u00e1c \u201cxanh\u201d l\u00e0:<br \/>\n&#8211; Gi\u1ea3m ph\u1ee5 thu\u1ed9c v\u00e0o nguy\u00ean t\u1ed1 c\u00f3 r\u1ee7i ro ngu\u1ed3n cung\/\u0111\u1ed9 ph\u00e1t th\u1ea3i cao (Ni, Mo).<br \/>\n&#8211; Duy tr\u00ec ho\u1eb7c n\u00e2ng hi\u1ec7u n\u0103ng ch\u1ed1ng \u0103n m\u00f2n\/c\u01a1 t\u00ednh \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd, cho ph\u00e9p gi\u1ea3m chi\u1ec1u d\u00e0y t\u1ea5m (\u00edt v\u1eadt li\u1ec7u h\u01a1n).<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c nh\u00f3m m\u00e1c n\u1ed5i b\u1eadt:<\/p>\n<h3>Ferritic cao Cr, kh\u00f4ng Ni: 430, 441, 444<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n: gi\u00e0u Cr (16\u201319%), h\u1ea7u nh\u01b0 kh\u00f4ng Ni; 444 c\u00f3 b\u1ed5 sung Mo (~2%).<br \/>\n&#8211; \u01afu \u0111i\u1ec3m: ph\u00e1t th\u1ea3i ti\u1ec1m \u1ea9n th\u1ea5p h\u01a1n do kh\u00f4ng d\u00f9ng Ni; ch\u1ed1ng \u0103n m\u00f2n kh\u00ed quy\u1ec3n t\u1ed1t; 444 \u0111\u1ea1t \u0111\u1ed9 b\u1ec1n \u0103n m\u00f2n x\u1ea5p x\u1ec9 316 trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng nh\u1edd Mo.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: \u1ed1p m\u1eb7t d\u1ef1ng, m\u00e1i, b\u1ed3n n\u01b0\u1edbc, thi\u1ebft b\u1ecb b\u1ebfp c\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng x\u1ea3 \u00f4 t\u00f4, m\u00f4i tr\u01b0\u1eddng h\u01a1i m\u1eb7n n\u1ed9i \u0111\u1ecba (C3\u2013C4).<br \/>\n&#8211; L\u01b0u \u00fd: t\u1eeb t\u00ednh (kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111a s\u1ed1 \u1ee9ng d\u1ee5ng), c\u1ea7n h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111\u00fang quy tr\u00ecnh.<\/p>\n<h3>Lean duplex: 2101 (UNS S32101), 2304 (UNS S32304)<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n: Cr cao (~21\u201323%), Ni th\u1ea5p (~1.5\u20134%), N; Mo r\u1ea5t th\u1ea5p ho\u1eb7c kh\u00f4ng.<br \/>\n&#8211; \u01afu \u0111i\u1ec3m: gi\u1edbi h\u1ea1n ch\u1ea3y 450\u2013550 MPa (g\u1ea5p ~2 l\u1ea7n 304\/316), ch\u1ed1ng \u0103n m\u00f2n t\u1ed5ng th\u1ec3 t\u1ed1t (PREN ~26\u201328), SCC trong clo t\u1ed1t h\u01a1n austenitic th\u00f4ng th\u01b0\u1eddng.<br \/>\n&#8211; L\u1ee3i \u00edch \u201cxanh\u201d: c\u00f3 th\u1ec3 gi\u1ea3m 20\u201340% chi\u1ec1u d\u00e0y t\u1ea5m\/chi ti\u1ebft v\u1eabn \u0111\u1ea1t b\u1ec1n v\u1eefng, k\u00e9o theo gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng, v\u1eadn chuy\u1ec3n v\u00e0 ph\u00e1t th\u1ea3i.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: k\u1ebft c\u1ea5u ngo\u00e0i tr\u1eddi, lan can, b\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, c\u1ea7u v\u01b0\u1ee3t \u0111i b\u1ed9, bul\u00f4ng\/neo, chi ti\u1ebft ch\u1ecbu l\u1ef1c trong m\u00f4i tr\u01b0\u1eddng C4\u2013C5 khi 304\/316 ph\u1ea3i t\u0103ng chi\u1ec1u d\u00e0y.<\/p>\n<h3>Austenitic Ni\u2011th\u1ea5p: 201 (S20100), 204Cu (S20430)<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n: gi\u1ea3m Ni, t\u0103ng Mn\/N; 204Cu c\u00f3 \u0111\u1ed3ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n gia c\u00f4ng v\u00e0 ch\u1ed1ng \u0103n m\u00f2n so v\u1edbi 201.<br \/>\n&#8211; \u01afu \u0111i\u1ec3m: chi ph\u00ed v\u00e0 ph\u1ee5 thu\u1ed9c Ni th\u1ea5p h\u01a1n; c\u01a1 t\u00ednh kh\u00e1; ph\u00f9 h\u1ee3p trang tr\u00ed n\u1ed9i th\u1ea5t, d\u00e2n d\u1ee5ng, m\u1ed9t s\u1ed1 h\u1ea1ng m\u1ee5c c\u00f4ng nghi\u1ec7p kh\u00f4.<br \/>\n&#8211; L\u01b0u \u00fd: ch\u1ed1ng \u0103n m\u00f2n clo th\u1ea5p h\u01a1n 304; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n, h\u1ed3 b\u01a1i, r\u1eeda b\u1eb1ng h\u00f3a ch\u1ea5t ch\u1ee9a clo; c\u1ea7n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n h\u00e0ng \u0111\u1ec3 tr\u00e1nh \u201cpha lo\u00e3ng\u201d th\u00e0nh ph\u1ea7n.<\/p>\n<h3>Austenitic chu\u1ea9n \u201cL\u201d (304L\/316L) t\u1ed1i \u01b0u v\u00f2ng \u0111\u1eddi<\/h3>\n<p>&#8211; H\u00e0m l\u01b0\u1ee3ng C th\u1ea5p gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n li\u00ean k\u1ebft h\u1ea1t sau h\u00e0n, t\u0103ng tu\u1ed5i th\u1ecd trong nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111\u01b0\u1eddng \u1ed1ng\/b\u1ec3\/h\u00e0n d\u00e0y.<br \/>\n&#8211; V\u1edbi 316L, Mo ~2\u20132.5% cho hi\u1ec7u n\u0103ng t\u1ed1t \u1edf m\u00f4i tr\u01b0\u1eddng clo v\u1eeba; n\u1ebfu c\u1ea7n h\u01a1n, c\u00e2n nh\u1eafc 444 ho\u1eb7c lean duplex thay v\u00ec 316L d\u00e0y h\u01a1n \u0111\u1ec3 ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u.<\/p>\n<p>G\u1ee3i \u00fd k\u1ef9 thu\u1eadt nhanh (ch\u1ec9 b\u00e1o PREN tham kh\u1ea3o):<br \/>\n&#8211; 304: PREN ~18 (kh\u00f4ng Mo) \u2013 n\u1ed9i th\u1ea5t, kh\u00ed quy\u1ec3n \u0111\u00f4 th\u1ecb kh\u00f4.<br \/>\n&#8211; 316\/316L: PREN ~24 \u2013 kh\u00ed quy\u1ec3n ven bi\u1ec3n nh\u1eb9, F&#038;B, y t\u1ebf.<br \/>\n&#8211; 444: PREN ~24 \u2013 thay th\u1ebf 316 trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n\/m\u01b0a axit.<br \/>\n&#8211; 2101\/2304: PREN ~26\u201328 \u2013 ngo\u00e0i tr\u1eddi\/c\u00f4ng nghi\u1ec7p, n\u01b0\u1edbc th\u1ea3i, k\u1ebft c\u1ea5u.<\/p>\n<p>Ngu\u1ed3n: worldstainless (Corrosion and PREN guidance), datasheet ti\u00eau chu\u1ea9n EN\/UNS c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<h2 id=\"toc-4-tieu-chi-danh-gia-inox-xanh-khi-mua-hang-o-viet-na\">Ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 \u201cInox xanh\u201d khi mua h\u00e0ng \u1edf Vi\u1ec7t Nam<\/h2>\n<p>&#8211; D\u1ea5u ch\u00e2n carbon c\u1ee5 th\u1ec3 c\u1ee7a l\u00f4\/m\u00e1c: y\u00eau c\u1ea7u EPD (EN 15804) ho\u1eb7c tuy\u00ean b\u1ed1 ISO 14067 t\u1eeb nh\u00e0 m\u00e1y; so s\u00e1nh theo kgCO2e\/t.<br \/>\n&#8211; T\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u \u0111\u01b0a v\u00e0o luy\u1ec7n (scrap content) v\u00e0 ch\u1ee9ng nh\u1eadn chu\u1ed7i h\u00e0nh tr\u00ecnh nguy\u00ean li\u1ec7u.<br \/>\n&#8211; Tu\u1ed5i th\u1ecd thi\u1ebft k\u1ebf v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3m chi\u1ec1u d\u00e0y nh\u1edd c\u01a1 t\u00ednh cao (\u0111\u1eb7c bi\u1ec7t v\u1edbi lean duplex).<br \/>\n&#8211; Ch\u1ed1ng \u0103n m\u00f2n theo m\u00f4i tr\u01b0\u1eddng (C1\u2013C5 theo ISO 9223) v\u00e0 thi\u1ebft k\u1ebf chi ti\u1ebft ch\u1ed1ng \u0111\u1ecdng n\u01b0\u1edbc\/khe.<br \/>\n&#8211; T\u00ednh s\u1eb5n c\u00f3 t\u1ea1i Vi\u1ec7t Nam: \u0111\u1ed9 d\u00e0y, kh\u1ed5 t\u1ea5m\/cu\u1ed9n\/\u1ed1ng, b\u1ec1 m\u1eb7t (2B, BA, No.4, HL, bead\u2011blast), ch\u1ee9ng ch\u1ec9 EN 10204 3.1.<br \/>\n&#8211; \u1ea2nh h\u01b0\u1edfng v\u1eadn h\u00e0nh: t\u1ea7n su\u1ea5t v\u1ec7 sinh, h\u00f3a ch\u1ea5t d\u00f9ng (gi\u1ea3m ph\u00e1t th\u1ea3i ph\u1ea1m vi s\u1eed d\u1ee5ng).<\/p>\n<h2 id=\"toc-5-ung-dung-tieu-bieu-va-goi-y-chon-mac-xanh\">\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u v\u00e0 g\u1ee3i \u00fd ch\u1ecdn m\u00e1c \u201cxanh\u201d<\/h2>\n<p>&#8211; \u1ed0p m\u1eb7t d\u1ef1ng\/m\u00e1i c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng: 444 ho\u1eb7c 2304; n\u1ed9i \u0111\u00f4 xa bi\u1ec3n c\u00f3 th\u1ec3 d\u00f9ng 441\/304 n\u1ebfu thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<br \/>\n&#8211; K\u1ebft c\u1ea5u ph\u1ee5, lan can ngo\u00e0i tr\u1eddi: 2304\/2101 gi\u00fap gi\u1ea3m chi\u1ec1u d\u00e0y; v\u1edbi s\u01b0\u01a1ng mu\u1ed1i ven bi\u1ec3n, \u01b0u ti\u00ean 2304.<br \/>\n&#8211; H\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i\/m\u00f4i tr\u01b0\u1eddng \u1ea9m clo: 2304 thay cho 304\/316 d\u00e0y; ki\u1ec3m to\u00e1n t\u1ed5ng v\u00f2ng \u0111\u1eddi th\u01b0\u1eddng nghi\u00eang v\u1ec1 duplex.<br \/>\n&#8211; B\u1ed3n n\u01b0\u1edbc, \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p: 444\/316L t\u00f9y clo; h\u00e0n d\u00e0y n\u00ean d\u00f9ng b\u1ea3n \u201cL\u201d.<br \/>\n&#8211; B\u1ebfp c\u00f4ng nghi\u1ec7p, F&#038;B: 304\/316L; n\u1ebfu kh\u00f4 r\u00e1o, \u00edt clo v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed c\u00f3 th\u1ec3 x\u00e9t 441\/444 cho chi ti\u1ebft kh\u00f4ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp th\u1ef1c ph\u1ea9m.<\/p>\n<h2 id=\"toc-6-vi-du-tinh-nhanh-loi-ich-xanh-voi-lean-duplex\">V\u00ed d\u1ee5 t\u00ednh nhanh l\u1ee3i \u00edch \u201cxanh\u201d v\u1edbi lean duplex<\/h2>\n<p>B\u1ec7 \u0111\u1ee1 th\u00e9p t\u1ea5m ch\u1ecbu l\u1ef1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng:<br \/>\n&#8211; 304 t\u1ea5m 3.0 mm, gi\u1edbi h\u1ea1n ch\u1ea3y ~215 MPa.<br \/>\n&#8211; 2101 t\u1ea5m 2.0\u20132.5 mm, gi\u1edbi h\u1ea1n ch\u1ea3y ~450\u2013500 MPa.<br \/>\nK\u1ebft qu\u1ea3: gi\u1ea3m 20\u201335% kh\u1ed1i l\u01b0\u1ee3ng th\u00e9p, t\u01b0\u01a1ng \u1ee9ng gi\u1ea3m v\u1eadn chuy\u1ec3n, gia c\u00f4ng, h\u00f3a ch\u1ea5t b\u1ea3o tr\u00ec v\u00e0 ph\u00e1t th\u1ea3i \u1ea9n trong v\u1eadt li\u1ec7u. C\u1ea7n ki\u1ec3m tra v\u00f5ng\/\u1ed5n \u0111\u1ecbnh t\u1ea5m theo ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf v\u00ec \u0111\u1ed9 c\u1ee9ng u\u1ed1n ph\u1ee5 thu\u1ed9c m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng austenitic\/duplex).<\/p>\n<h2 id=\"toc-7-tich-hop-inox-vao-chung-chi-cong-trinh-xanh\">T\u00edch h\u1ee3p inox v\u00e0o ch\u1ee9ng ch\u1ec9 c\u00f4ng tr\u00ecnh xanh<\/h2>\n<p>&#8211; LEED v4\/v4.1: m\u1ee5c MR \u2013 Product Disclosure &#038; Optimization (EPD, recycled content, supply chain).<br \/>\n&#8211; LOTUS (VGBC): khuy\u1ebfn kh\u00edch v\u1eadt li\u1ec7u b\u1ec1n v\u1eefng c\u00f3 EPD, h\u00e0m l\u01b0\u1ee3ng t\u00e1i ch\u1ebf, \u0111\u1ed9 b\u1ec1n\/\u00edt b\u1ea3o tr\u00ec.<br \/>\n&#8211; H\u1ed3 s\u01a1 n\u00ean c\u00f3: EPD\/ISO 14067, ch\u1ee9ng ch\u1ec9 3.1 EN 10204, b\u1ea3ng th\u00e0nh ph\u1ea7n m\u00e1c, ch\u1ee9ng nh\u1eadn xu\u1ea5t x\u1ee9, h\u01b0\u1edbng d\u1eabn v\u1ec7 sinh th\u00e2n thi\u1ec7n m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h2 id=\"toc-8-lo-trinh-trien-khai-cho-chu-dau-tunha-thau\">L\u1ed9 tr\u00ecnh tri\u1ec3n khai cho ch\u1ee7 \u0111\u1ea7u t\u01b0\/nh\u00e0 th\u1ea7u<\/h2>\n<p>&#8211; X\u00e1c \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n (ISO 9223) v\u00e0 y\u00eau c\u1ea7u tu\u1ed5i th\u1ecd.<br \/>\n&#8211; So s\u00e1nh ph\u01b0\u01a1ng \u00e1n m\u00e1c th\u00e9p b\u1eb1ng LCCA: chi ph\u00ed + b\u1ea3o tr\u00ec + r\u1ee7i ro \u0103n m\u00f2n + kgCO2e\/t t\u1eeb EPD.<br \/>\n&#8211; \u01afu ti\u00ean m\u00e1c c\u01a1 t\u00ednh cao (lean duplex) \u0111\u1ec3 gi\u1ea3m chi\u1ec1u d\u00e0y n\u1ebfu ph\u00f9 h\u1ee3p.<br \/>\n&#8211; Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p cam k\u1ebft: EPD\/CO2, scrap content, ch\u1ee9ng ch\u1ec9 3.1, \u0111\u1ed9 d\u00e0y\/b\u1ec1 m\u1eb7t chu\u1ea9n.<br \/>\n&#8211; Thi c\u00f4ng \u0111\u00fang quy tr\u00ecnh h\u00e0n\/\u0111\u00e1nh x\u1ec9\/\u0111\u00e1nh b\u00f3ng, thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc v\u00e0 tr\u00e1nh khe h\u1edf \u0111\u1ec3 t\u1ed1i \u01b0u tu\u1ed5i th\u1ecd.<\/p>\n<h2 id=\"toc-9-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; \u201cInox xanh\u201d c\u00f3 ngh\u0129a l\u00e0 100% t\u00e1i ch\u1ebf? Kh\u00f4ng. \u201cXanh\u201d \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u00e1t th\u1ea3i th\u1ea5p h\u01a1n v\u00e0\/ho\u1eb7c v\u00f2ng \u0111\u1eddi t\u1ed1t h\u01a1n. Inox c\u00f3 th\u1ec3 ch\u1ee9a t\u1ef7 l\u1ec7 ph\u1ebf li\u1ec7u cao, nh\u01b0ng v\u1eabn c\u1ea7n nguy\u00ean li\u1ec7u h\u1ee3p kim tinh luy\u1ec7n \u0111\u1ec3 \u0111\u1ea1t th\u00e0nh ph\u1ea7n\/m\u00e1c ti\u00eau chu\u1ea9n.<br \/>\n&#8211; Ferritic b\u1ecb h\u00fat nam ch\u00e2m c\u00f3 \u201ck\u00e9m b\u1ec1n\u201d h\u01a1n? T\u1eeb t\u00ednh kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u1ed9 b\u1ec1n. Ferritic\/duplex c\u00f3 c\u1ea5u tr\u00fac kh\u00e1c austenitic nh\u01b0ng v\u1eabn r\u1ea5t b\u1ec1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t trong \u0111\u00fang m\u00f4i tr\u01b0\u1eddng.<br \/>\n&#8211; C\u00f3 EPD th\u00ec ch\u1eafc ch\u1eafn \u201cxanh\u201d h\u01a1n? EPD l\u00e0 t\u00e0i li\u1ec7u minh b\u1ea1ch h\u00f3a; c\u1ea7n so s\u00e1nh s\u1ed1 li\u1ec7u kgCO2e\/t v\u00e0 xem x\u00e9t c\u1ea3 thi\u1ebft k\u1ebf, tu\u1ed5i th\u1ecd, b\u1ea3o tr\u00ec.<\/p>\n<h2 id=\"toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>Xu h\u01b0\u1edbng inox xanh \u0111ang \u0111i theo hai tr\u1ee5c: c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t low\u2011carbon (EAF + ph\u1ebf li\u1ec7u + n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, EPD minh b\u1ea1ch) v\u00e0 t\u1ed1i \u01b0u m\u00e1c h\u1ee3p kim (ferritic, lean duplex, austenitic Ni\u2011th\u1ea5p) \u0111\u1ec3 gi\u1ea3m ph\u1ee5 thu\u1ed9c nguy\u00ean t\u1ed1 khan hi\u1ebfm, h\u1ea1 ph\u00e1t th\u1ea3i m\u00e0 v\u1eabn duy tr\u00ec tu\u1ed5i th\u1ecd d\u00e0i. V\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh v\u00e0 nh\u00e0 m\u00e1y t\u1ea1i Vi\u1ec7t Nam, l\u1ef1a ch\u1ecdn \u0111\u00fang m\u00e1c theo m\u00f4i tr\u01b0\u1eddng, c\u00e2n nh\u1eafc gi\u1ea3m chi\u1ec1u d\u00e0y nh\u1edd c\u01a1 t\u00ednh cao, v\u00e0 y\u00eau c\u1ea7u h\u1ed3 s\u01a1 EPD\/CO2 t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ebd l\u00e0 \u201c\u0111\u00f2n b\u1ea9y\u201d gi\u00fap c\u1eaft gi\u1ea3m ph\u00e1t th\u1ea3i th\u1ef1c ch\u1ea5t m\u00e0 v\u1eabn t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi.<br \/>\nC\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c, t\u1ed3n kho v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox Cuong Thinh \u2013 Hotline: 0343.417.281 \u2013 Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o:<br \/>\n&#8211; worldstainless (ISSF) \u2013 Sustainability, Recycling and LCA: https:\/\/www.worldstainless.org\/sustainability\/<br \/>\n&#8211; Outokumpu \u2013 Circle Green low-carbon stainless: https:\/\/www.outokumpu.com<br \/>\n&#8211; Aperam \u2013 Recycled &#038; Renewably Produced (RRP) stainless: https:\/\/www.aperam.com<br \/>\n&#8211; ISO 14025\/EN 15804 \u2013 Environmental Product Declarations (EPD) for construction products<br \/>\n&#8211; ISO 9223 \u2013 Corrosion of metals and alloys \u2013 Corrosivity of atmospheres classification<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To\u00e0n c\u1ea3nh inox xanh: c\u00f4ng ngh\u1ec7 low\u2011carbon, m\u00e1c ferritic\/lean duplex thay th\u1ebf 304\/316, EPD\/LCAs v\u00e0 c\u00e1ch ch\u1ecdn v\u1eadt li\u1ec7u t\u1ed1i \u01b0u cho c\u00f4ng tr\u00ecnh t\u1ea1i Vi\u1ec7t Nam.<\/p>\n","protected":false},"author":7,"featured_media":1058,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1989","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\/1989","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=1989"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1989\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1058"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}