{"id":2391,"date":"2026-08-03T00:33:50","date_gmt":"2026-08-02T17:33:50","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/"},"modified":"2026-08-03T00:33:50","modified_gmt":"2026-08-02T17:33:50","slug":"bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/","title":{"rendered":"B\u1ea3ng quy \u0111\u1ed5i m\u00e1c Inox gi\u1eefa ASTM, JIS v\u00e0 DIN\/EN chi ti\u1ebft"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    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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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Vi_sao_can_bang_quy_doi_mac_Inox\" >V\u00ec sao c\u1ea7n b\u1ea3ng quy \u0111\u1ed5i m\u00e1c Inox?<\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Nguyen_tac_%E2%80%9Ctuong_duong%E2%80%9D_va_cach_doc_ky_hieu\" >Nguy\u00ean t\u1eafc \u201ct\u01b0\u01a1ng \u0111\u01b0\u01a1ng\u201d v\u00e0 c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u<\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#ASTMAISIUNS\" >ASTM\/AISI\/UNS<\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#JIS_Nhat_Ban\" >JIS (Nh\u1eadt B\u1ea3n)<\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#DINEN_Chau_Au\" >DIN\/EN (Ch\u00e2u \u00c2u)<\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Luu_y_quan_trong\" >L\u01b0u \u00fd quan tr\u1ecdng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Bang_quy_doi_nhanh_mac_Inox_giua_ASTM_%E2%80%93_JIS_%E2%80%93_DINEN\" >B\u1ea3ng quy \u0111\u1ed5i nhanh m\u00e1c Inox gi\u1eefa ASTM \u2013 JIS \u2013 DIN\/EN<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Austenit_dong_200_kinh_te_thay_the_han_che_cho_304\" >Austenit d\u00f2ng 200 (kinh t\u1ebf, thay th\u1ebf h\u1ea1n ch\u1ebf cho 304)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Austenit_dong_300_pho_bien_cong_nghiep\" >Austenit d\u00f2ng 300 (ph\u1ed5 bi\u1ebfn c\u00f4ng nghi\u1ec7p)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Ferrit_tu_tinh_chi_phi_thap_den_trung_binh\" >Ferrit (t\u1eeb t\u00ednh, chi ph\u00ed th\u1ea5p \u0111\u1ebfn trung b\u00ecnh)<\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Mactenxit_do_cung_chiu_mai_mon_tot_hon_can_kiem_soat_hannhiet\" >Mactenxit (\u0111\u1ed9 c\u1ee9ng, ch\u1ecbu m\u00e0i m\u00f2n t\u1ed1t h\u01a1n; c\u1ea7n ki\u1ec3m so\u00e1t h\u00e0n\/nhi\u1ec7t)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Duplex_va_Sieu_duplex_chong_ro_pittingke_ho_tot_ben_cao\" >Duplex v\u00e0 Si\u00eau duplex (ch\u1ed1ng r\u1ed7 pitting\/k\u1ebd h\u1edf t\u1ed1t, b\u1ec1n cao)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Ket_tua_hoa_ben_PH\" >K\u1ebft t\u1ee7a h\u00f3a b\u1ec1n (PH)<\/a><\/li><\/ul><\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Ghi_chu_khac_biet_quan_trong_khi_%E2%80%9Cquy_doi%E2%80%9D\" >Ghi ch\u00fa kh\u00e1c bi\u1ec7t quan tr\u1ecdng khi \u201cquy \u0111\u1ed5i\u201d<\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Cach_su_dung_bang_va_xac_minh_vat_lieu_dung_chuan\" >C\u00e1ch s\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 x\u00e1c minh v\u1eadt li\u1ec7u \u0111\u00fang chu\u1ea9n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Vi_du_chon_%E2%80%93_thay_the_thuc_te\" >V\u00ed d\u1ee5 ch\u1ecdn \u2013 thay th\u1ebf th\u1ef1c t\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Meo_dat_hang_de_tranh_sai_lech\" >M\u1eb9o \u0111\u1eb7t h\u00e0ng \u0111\u1ec3 tr\u00e1nh sai l\u1ec7ch<\/a><\/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\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#Nguon_tham_khao_chinh\" >Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/inoxcuongthinh.com\/bang-quy-doi-mac-inox-giua-astm-jis-va-din-en-chi-tiet\/#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-can-bang-quy-doi-mac-inox\">V\u00ec sao c\u1ea7n b\u1ea3ng quy \u0111\u1ed5i m\u00e1c Inox?<\/a><\/li>\n<li><a href=\"#toc-1-nguyen-tac-tuong-duong-va-cach-doc-ky-hieu\">Nguy\u00ean t\u1eafc \u201ct\u01b0\u01a1ng \u0111\u01b0\u01a1ng\u201d v\u00e0 c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u<\/a><\/li>\n<li><a href=\"#toc-2-bang-quy-doi-nhanh-mac-inox-giua-astm-jis-dinen\">B\u1ea3ng quy \u0111\u1ed5i nhanh m\u00e1c Inox gi\u1eefa ASTM \u2013 JIS \u2013 DIN\/EN<\/a><\/li>\n<li><a href=\"#toc-3-ghi-chu-khac-biet-quan-trong-khi-quy-doi\">Ghi ch\u00fa kh\u00e1c bi\u1ec7t quan tr\u1ecdng khi \u201cquy \u0111\u1ed5i\u201d<\/a><\/li>\n<li><a href=\"#toc-4-cach-su-dung-bang-va-xac-minh-vat-lieu-dung-chuan\">C\u00e1ch s\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 x\u00e1c minh v\u1eadt li\u1ec7u \u0111\u00fang chu\u1ea9n<\/a><\/li>\n<li><a href=\"#toc-5-vi-du-chon-thay-the-thuc-te\">V\u00ed d\u1ee5 ch\u1ecdn \u2013 thay th\u1ebf th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-6-meo-dat-hang-de-tranh-sai-lech\">M\u1eb9o \u0111\u1eb7t h\u00e0ng \u0111\u1ec3 tr\u00e1nh sai l\u1ec7ch<\/a><\/li>\n<li><a href=\"#toc-7-nguon-tham-khao-chinh\">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>Trong th\u1ef1c t\u1ebf thi\u1ebft k\u1ebf, mua s\u1eafm v\u00e0 thi c\u00f4ng, c\u00f9ng m\u1ed9t m\u00e1c Inox c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1ecdi theo nhi\u1ec1u h\u1ec7 ti\u00eau chu\u1ea9n kh\u00e1c nhau (ASTM\/AISI\/UNS, JIS, DIN\/EN). B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p b\u1ea3ng quy \u0111\u1ed5i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng chi ti\u1ebft gi\u1eefa c\u00e1c m\u00e1c ph\u1ed5 bi\u1ebfn, k\u00e8m h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng \u0111\u00fang v\u00e0 an to\u00e0n. Ch\u1ee7 \u0111\u1ec1 n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng trong h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng Inox, gi\u00fap b\u1ea1n \u0111\u1ecdc hi\u1ec3u \u2013 ch\u1ecdn \u2013 thay th\u1ebf v\u1eadt li\u1ec7u ch\u00ednh x\u00e1c, b\u1ea3o \u0111\u1ea3m hi\u1ec7u n\u0103ng v\u00e0 tu\u00e2n th\u1ee7 h\u1ed3 s\u01a1 CO\/CQ.<\/p>\n<h2 id=\"toc-0-vi-sao-can-bang-quy-doi-mac-inox\"><span class=\"ez-toc-section\" id=\"Vi_sao_can_bang_quy_doi_mac_Inox\"><\/span>V\u00ec sao c\u1ea7n b\u1ea3ng quy \u0111\u1ed5i m\u00e1c Inox?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u1ea1n ch\u1ebf nh\u1ea7m l\u1eabn t\u00ean g\u1ecdi (v\u00ed d\u1ee5 304 \u2248 SUS304 \u2248 1.4301) gi\u1eefa nh\u00e0 thi\u1ebft k\u1ebf, th\u1ea7u c\u01a1 \u0111i\u1ec7n, v\u00e0 nh\u00e0 cung c\u1ea5p.<br \/>\n&#8211; H\u1ed7 tr\u1ee3 thay th\u1ebf v\u1eadt li\u1ec7u khi ngu\u1ed3n cung thay \u0111\u1ed5i nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o th\u00e0nh ph\u1ea7n\/ c\u01a1 t\u00ednh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<br \/>\n&#8211; Chu\u1ea9n b\u1ecb h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt \u2013 ch\u1ee9ng ch\u1ec9 (CO\/CQ, MTC) th\u1ed1ng nh\u1ea5t theo y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n.<\/p>\n<h2 id=\"toc-1-nguyen-tac-tuong-duong-va-cach-doc-ky-hieu\"><span class=\"ez-toc-section\" id=\"Nguyen_tac_%E2%80%9Ctuong_duong%E2%80%9D_va_cach_doc_ky_hieu\"><\/span>Nguy\u00ean t\u1eafc \u201ct\u01b0\u01a1ng \u0111\u01b0\u01a1ng\u201d v\u00e0 c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"ASTMAISIUNS\"><\/span>ASTM\/AISI\/UNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; AISI\/AISI name: t\u00ean quen d\u00f9ng trong th\u01b0\u01a1ng m\u1ea1i (vd. 304, 316).<br \/>\n&#8211; UNS (Unified Numbering System): \u0111\u1ecbnh danh h\u00f3a h\u1ecdc (vd. 304 = S30400) d\u00f9ng \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu ch\u00ednh x\u00e1c h\u01a1n.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m ph\u1ed5 bi\u1ebfn: ASTM A240 (t\u1ea5m\/cu\u1ed9n), ASTM A276 (thanh), ASTM A312 (\u1ed1ng h\u00e0n\/\u0111\u00fac),\u2026 <\/p>\n<h3><span class=\"ez-toc-section\" id=\"JIS_Nhat_Ban\"><\/span>JIS (Nh\u1eadt B\u1ea3n)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; K\u00fd hi\u1ec7u SUSxxx (vd. SUS304, SUS316L).<br \/>\n&#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m: JIS G4304\/G4305 (t\u1ea5m\/strip), JIS G4303 (thanh), JIS G3463 (\u1ed1ng ch\u1ecbu nhi\u1ec7t),\u2026<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DINEN_Chau_Au\"><\/span>DIN\/EN (Ch\u00e2u \u00c2u)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; EN 10088 s\u1eed d\u1ee5ng s\u1ed1 v\u1eadt li\u1ec7u (Werkstoffnummer) d\u1ea1ng 1.xxxx (vd. 1.4301 cho 304) v\u00e0 t\u00ean h\u00f3a h\u1ecdc X\u2026Cr\u2026Ni\u2026<br \/>\n&#8211; DIN c\u0169 \u0111\u00e3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1edfi EN, nh\u01b0ng th\u1ecb tr\u01b0\u1eddng v\u1eabn quen g\u1ecdi \u201cDIN\/EN\u201d. Khi c\u00f3 th\u1ec3, h\u00e3y d\u1eabn theo EN 10088.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Luu_y_quan_trong\"><\/span>L\u01b0u \u00fd quan tr\u1ecdng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u201cT\u01b0\u01a1ng \u0111\u01b0\u01a1ng\u201d l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1ec1 th\u00e0nh ph\u1ea7n\/thu\u1ed9c t\u00ednh m\u1ee5c ti\u00eau. Kh\u00f4ng ph\u1ea3i m\u1ecdi m\u00e1c c\u00f3 th\u1ec3 thay 1:1 trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n (\u0103n m\u00f2n, nhi\u1ec7t \u0111\u1ed9, h\u00e0n, y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn).<br \/>\n&#8211; \u01afu ti\u00ean \u0111\u1ed1i chi\u1ebfu b\u1eb1ng UNS v\u00e0 EN 1.xxxx, sau \u0111\u00f3 m\u1edbi d\u00f9ng t\u00ean th\u01b0\u01a1ng m\u1ea1i AISI\/JIS \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn.<\/p>\n<h2 id=\"toc-2-bang-quy-doi-nhanh-mac-inox-giua-astm-jis-dinen\"><span class=\"ez-toc-section\" id=\"Bang_quy_doi_nhanh_mac_Inox_giua_ASTM_%E2%80%93_JIS_%E2%80%93_DINEN\"><\/span>B\u1ea3ng quy \u0111\u1ed5i nhanh m\u00e1c Inox gi\u1eefa ASTM \u2013 JIS \u2013 DIN\/EN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>G\u1ee3i \u00fd: tra theo nh\u00f3m th\u00e9p (austenit, ferrit, mactenxit, duplex, PH) \u0111\u1ec3 d\u1ec5 ch\u1ecdn \u0111\u00fang h\u01b0\u1edbng \u1ee9ng d\u1ee5ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Austenit_dong_200_kinh_te_thay_the_han_che_cho_304\"><\/span>Austenit d\u00f2ng 200 (kinh t\u1ebf, thay th\u1ebf h\u1ea1n ch\u1ebf cho 304)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; 201 \u2014 ASTM\/AISI: 201 (UNS S20100) | JIS: SUS201 | DIN\/EN: 1.4372 (X12CrMnNiN17-7-5)<br \/>\n&#8211; 202 \u2014 ASTM\/AISI: 202 (UNS S20200) | JIS: SUS202 | DIN\/EN: 1.4373 (X12CrMnNiN18-9-5)<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Austenit_dong_300_pho_bien_cong_nghiep\"><\/span>Austenit d\u00f2ng 300 (ph\u1ed5 bi\u1ebfn c\u00f4ng nghi\u1ec7p)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; 301 \u2014 UNS S30100 | JIS: SUS301 | DIN\/EN: 1.4310 (X10CrNi18-8)<br \/>\n&#8211; 301L \u2014 UNS S30103 | JIS: SUS301L | DIN\/EN: 1.4318 (X2CrNiN18-7)<br \/>\n&#8211; 303 \u2014 UNS S30300 | JIS: SUS303 | DIN\/EN: 1.4305 (X8CrNiS18-9)<br \/>\n&#8211; 304 \u2014 UNS S30400 | JIS: SUS304 | DIN\/EN: 1.4301 (X5CrNi18-10)<br \/>\n&#8211; 304L \u2014 UNS S30403 | JIS: SUS304L | DIN\/EN: 1.4307 (X2CrNi18-9)<br \/>\n&#8211; 316 \u2014 UNS S31600 | JIS: SUS316 | DIN\/EN: 1.4401 (X5CrNiMo17-12-2)<br \/>\n&#8211; 316L \u2014 UNS S31603 | JIS: SUS316L | DIN\/EN: 1.4404 (X2CrNiMo17-12-2) [1.4435 l\u00e0 bi\u1ebfn th\u1ec3 Mo cao]<br \/>\n&#8211; 321 \u2014 UNS S32100 | JIS: SUS321 | DIN\/EN: 1.4541 (X6CrNiTi18-10)<br \/>\n&#8211; 347 \u2014 UNS S34700 | JIS: SUS347 | DIN\/EN: 1.4550 (X6CrNiNb18-10)<br \/>\n&#8211; 310S \u2014 UNS S31008 | JIS: SUS310S | DIN\/EN: 1.4845 (X8CrNi25-21)<br \/>\n&#8211; 904L \u2014 UNS N08904 | JIS: SUS904L | DIN\/EN: 1.4539 (X1NiCrMoCu25-20-5)<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ferrit_tu_tinh_chi_phi_thap_den_trung_binh\"><\/span>Ferrit (t\u1eeb t\u00ednh, chi ph\u00ed th\u1ea5p \u0111\u1ebfn trung b\u00ecnh)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; 409 \u2014 UNS S40900\/S40910 | JIS: SUS409L | DIN\/EN: 1.4512 (X2CrTi12)<br \/>\n&#8211; 430 \u2014 UNS S43000 | JIS: SUS430 | DIN\/EN: 1.4016 (X6Cr17)<br \/>\n&#8211; 439 \u2014 UNS S43035 | JIS: SUS439 | DIN\/EN: 1.4510 (X3CrTi17)<br \/>\n&#8211; 441 \u2014 UNS S43932 (ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng) | JIS: SUS441 | DIN\/EN: 1.4509 (X2CrTiNb18)<br \/>\n&#8211; 444 \u2014 UNS S44400 | JIS: SUS444 | DIN\/EN: 1.4521 (X2CrMoTi18-2)<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mactenxit_do_cung_chiu_mai_mon_tot_hon_can_kiem_soat_hannhiet\"><\/span>Mactenxit (\u0111\u1ed9 c\u1ee9ng, ch\u1ecbu m\u00e0i m\u00f2n t\u1ed1t h\u01a1n; c\u1ea7n ki\u1ec3m so\u00e1t h\u00e0n\/nhi\u1ec7t)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; 410 \u2014 UNS S41000 | JIS: SUS410 | DIN\/EN: 1.4006 (X12Cr13)<br \/>\n&#8211; 420J1 \u2014 UNS S42000 | JIS: SUS420J1 | DIN\/EN: 1.4021 (X20Cr13)<br \/>\n&#8211; 420J2 \u2014 UNS S42000 | JIS: SUS420J2 | DIN\/EN: 1.4028 (X30Cr13)<br \/>\n&#8211; 431 \u2014 UNS S43100 | JIS: SUS431 | DIN\/EN: 1.4057 (X17CrNi16-2)<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Duplex_va_Sieu_duplex_chong_ro_pittingke_ho_tot_ben_cao\"><\/span>Duplex v\u00e0 Si\u00eau duplex (ch\u1ed1ng r\u1ed7 pitting\/k\u1ebd h\u1edf t\u1ed1t, b\u1ec1n cao)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; 2205 \u2014 UNS S32205\/S31803 | JIS: SUS329J3L | DIN\/EN: 1.4462 (X2CrNiMoN22-5-3)<br \/>\n&#8211; 2507 \u2014 UNS S32750 | JIS: SUS329J4L | DIN\/EN: 1.4410 (X2CrNiMoN25-7-4)<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ket_tua_hoa_ben_PH\"><\/span>K\u1ebft t\u1ee7a h\u00f3a b\u1ec1n (PH)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; 17-4PH (AISI 630) \u2014 UNS S17400 | JIS: SUS630 | DIN\/EN: 1.4542 (X5CrNiCuNb16-4)<\/p>\n<h2 id=\"toc-3-ghi-chu-khac-biet-quan-trong-khi-quy-doi\"><span class=\"ez-toc-section\" id=\"Ghi_chu_khac_biet_quan_trong_khi_%E2%80%9Cquy_doi%E2%80%9D\"><\/span>Ghi ch\u00fa kh\u00e1c bi\u1ec7t quan tr\u1ecdng khi \u201cquy \u0111\u1ed5i\u201d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 304 vs 304L: 304L c\u00f3 C \u2264 0,03% gi\u00fap h\u00e0n an to\u00e0n h\u01a1n, h\u1ea1n ch\u1ebf \u0103n m\u00f2n nh\u1ea1y c\u1ea3m; c\u01a1 t\u00ednh ch\u1ea3y th\u1ea5p h\u01a1n ch\u00fat nh\u01b0ng \u0111\u1ee7 cho \u0111a s\u1ed1 k\u1ebft c\u1ea5u theo A240\/A276.<br \/>\n&#8211; 316\/316L vs 316Ti (1.4571): 316Ti \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc \u1edf nhi\u1ec7t cao l\u00e2u (Ti), ph\u00f9 h\u1ee3p thi\u1ebft b\u1ecb nhi\u1ec7t; 316L thu\u1eadn l\u1ee3i cho h\u00e0n, ph\u1ed5 bi\u1ebfn trong m\u00f4i tr\u01b0\u1eddng Cl- n\u1ed3ng \u0111\u1ed9 v\u1eeba.<br \/>\n&#8211; 201\/202 kh\u00f4ng ph\u1ea3i l\u00e0 thay th\u1ebf \u201cchu\u1ea9n\u201d cho 304 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t ho\u1eb7c y\u00eau c\u1ea7u h\u00e0n nhi\u1ec1u; r\u1ee7i ro r\u1ed7\/\u1ed1 v\u00e0ng cao h\u01a1n do Ni th\u1ea5p, Mn cao.<br \/>\n&#8211; Ferrit 430 so v\u1edbi 441\/444: 441 \u1ed5n \u0111\u1ecbnh Ti+Nb, h\u00e0n t\u1ed1t h\u01a1n; 444 c\u00f3 Mo n\u00ean ch\u1ed1ng r\u1ed7 t\u1ed1t h\u01a1n (\u1ee9ng d\u1ee5ng n\u01b0\u1edbc, m\u00f4i tr\u01b0\u1eddng clorua nh\u1eb9).<br \/>\n&#8211; Duplex 2205 c\u00f3 PREN kho\u1ea3ng 34\u201336, cao h\u01a1n 316L (~24) n\u00ean ch\u1ed1ng r\u1ed7 t\u1ed1t h\u01a1n r\u00f5 r\u1ec7t trong n\u01b0\u1edbc bi\u1ec3n, b\u1ed3n ch\u1ee9a chlorides.<br \/>\n&#8211; 17-4PH y\u00eau c\u1ea7u tr\u1ea1ng th\u00e1i x\u1eed l\u00fd (H900, H1025, H1150\u2026) m\u1edbi \u0111\u1ea1t c\u01a1 t\u00ednh m\u1ee5c ti\u00eau; khi quy \u0111\u1ed5i ph\u1ea3i ch\u1ec9 r\u00f5 \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t luy\u1ec7n.<br \/>\n&#8211; 2205: S31803 (c\u0169) v\u00e0 S32205 (m\u1edbi, th\u00e0nh ph\u1ea7n ch\u1eb7t ch\u1ebd h\u01a1n) \u0111\u1ec1u quy chi\u1ebfu EN 1.4462; khi \u0111\u1eb7t h\u00e0ng \u01b0u ti\u00ean S32205.<\/p>\n<h2 id=\"toc-4-cach-su-dung-bang-va-xac-minh-vat-lieu-dung-chuan\"><span class=\"ez-toc-section\" id=\"Cach_su_dung_bang_va_xac_minh_vat_lieu_dung_chuan\"><\/span>C\u00e1ch s\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 x\u00e1c minh v\u1eadt li\u1ec7u \u0111\u00fang chu\u1ea9n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; B\u01b0\u1edbc 1 \u2013 X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i: m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n (Cl-, H2S, axit), nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh, y\u00eau c\u1ea7u h\u00e0n, c\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u, ti\u00eau chu\u1ea9n thi c\u00f4ng (ASME, TCVN).<br \/>\n&#8211; B\u01b0\u1edbc 2 \u2013 Tra c\u1ee9u m\u00e1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng b\u1eb1ng UNS\/EN \u0111\u1ec3 ch\u1eafc ch\u1eafn th\u00e0nh ph\u1ea7n.<br \/>\n&#8211; B\u01b0\u1edbc 3 \u2013 Ki\u1ec3m ch\u1ee9ng b\u1eb1ng MTC (Mill Test Certificate):<br \/>\n  &#8211; Ph\u1ea3i th\u1ec3 hi\u1ec7n: Heat No., ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m (ASTM A240\/A276\/EN 10088\u2026), m\u00e1c (UNS\/EN), th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc (%C, %Cr, %Ni, %Mo, %N\u2026), c\u01a1 t\u00ednh.<br \/>\n  &#8211; So kh\u1edbp Heat No. tr\u00ean MTC v\u1edbi nh\u00e3n\/kh\u1eafc tr\u00ean s\u1ea3n ph\u1ea9m.<br \/>\n&#8211; B\u01b0\u1edbc 4 \u2013 Ki\u1ec3m tra nhanh t\u1ea1i x\u01b0\u1edfng (khi c\u1ea7n):<br \/>\n  &#8211; D\u00f9ng PMI (XRF) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh Cr-Ni-Mo; test nam ch\u00e2m ch\u1ec9 \u0111\u1ec3 tham kh\u1ea3o v\u00ec m\u1ed9t s\u1ed1 austenit ngu\u1ed9i c\u00f3 th\u1ec3 h\u01a1i h\u00fat nh\u1eb9.<br \/>\n&#8211; B\u01b0\u1edbc 5 \u2013 \u0110\u00e1nh gi\u00e1 thay th\u1ebf: so PREN = %Cr + 3.3\u00d7%Mo + 16\u00d7%N; kh\u00f4ng n\u00ean thay b\u1eb1ng m\u00e1c c\u00f3 PREN th\u1ea5p h\u01a1n trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n t\u01b0\u01a1ng t\u1ef1.<br \/>\n&#8211; B\u01b0\u1edbc 6 \u2013 Y\u00eau c\u1ea7u CO\/CQ:<br \/>\n  &#8211; CO: ngu\u1ed3n g\u1ed1c xu\u1ea5t x\u1ee9 (n\u01b0\u1edbc s\u1ea3n xu\u1ea5t).<br \/>\n  &#8211; CQ\/MTC: ch\u1ea5t l\u01b0\u1ee3ng theo l\u00f4\/heat, ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng.  <\/p>\n<h2 id=\"toc-5-vi-du-chon-thay-the-thuc-te\"><span class=\"ez-toc-section\" id=\"Vi_du_chon_%E2%80%93_thay_the_thuc_te\"><\/span>V\u00ed d\u1ee5 ch\u1ecdn \u2013 thay th\u1ebf th\u1ef1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u0110\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc bi\u1ec3n \u1ea5m, c\u00f3 h\u00e0n: 316L (1.4404) hay b\u1ecb r\u1ed7; chuy\u1ec3n l\u00ean 2205 (1.4462) t\u0103ng tu\u1ed5i th\u1ecd nh\u1edd PREN cao h\u01a1n (~35).<br \/>\n&#8211; B\u1ed3n ch\u1ee9a h\u00f3a ch\u1ea5t nh\u1eb9, nhi\u1ec1u m\u1ed1i h\u00e0n: ch\u1ecdn 304L (1.4307) thay 304 (1.4301) \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n li\u00ean h\u1ea1t v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t.<br \/>\n&#8211; \u1ed0ng x\u1ea3 nhi\u1ec7t \u00f4 t\u00f4: 409 (1.4512) d\u00f9ng r\u1ed9ng r\u00e3i; n\u1ebfu c\u1ea7n h\u00e0n\/\u0111\u1ed9 b\u1ec1n \u0103n m\u00f2n t\u1ed1t h\u01a1n, c\u00e2n nh\u1eafc 441 (1.4509) ho\u1eb7c 439 (1.4510).<br \/>\n&#8211; T\u1ea5m trang tr\u00ed trong nh\u00e0 kh\u00f4 r\u00e1o: 201 d\u00f9ng \u0111\u01b0\u1ee3c \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed; ngo\u00e0i tr\u1eddi ven bi\u1ec3n n\u00ean t\u1ed1i thi\u1ec3u 316L.<br \/>\n&#8211; Chi ti\u1ebft ch\u1ecbu l\u1ef1c cao c\u1ea7n t\u00f4i \u2013 gi\u00e0: 17-4PH (S17400), n\u00eau r\u00f5 tr\u1ea1ng th\u00e1i H900\/H1025 trong h\u1ed3 s\u01a1 \u0111\u1eb7t h\u00e0ng.<\/p>\n<h2 id=\"toc-6-meo-dat-hang-de-tranh-sai-lech\"><span class=\"ez-toc-section\" id=\"Meo_dat_hang_de_tranh_sai_lech\"><\/span>M\u1eb9o \u0111\u1eb7t h\u00e0ng \u0111\u1ec3 tr\u00e1nh sai l\u1ec7ch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ghi \u0111\u1ea7y \u0111\u1ee7: Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m + M\u00e1c\/UNS + S\u1ed1 EN (n\u1ebfu c\u00f3) + T\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t + Dung sai + Y\u00eau c\u1ea7u MTC 3.1.<br \/>\n&#8211; V\u00ed d\u1ee5: \u201cASTM A240 \u2013 UNS S31603 (EN 1.4404) \u2013 T\u1ea5m No.1 \u2013 8.0 \u00d7 1500 \u00d7 6000 \u2013 Tolerance theo EN 10029 \u2013 Y\u00eau c\u1ea7u MTC 3.1\u201d.<br \/>\n&#8211; V\u1edbi \u1ed1ng: \u201cASTM A312 \u2013 TP316L \u2013 SCH40S \u2013 theo ASME B36.19 \u2013 MTC 3.1\u201d.<\/p>\n<h2 id=\"toc-7-nguon-tham-khao-chinh\"><span class=\"ez-toc-section\" id=\"Nguon_tham_khao_chinh\"><\/span>Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; ASTM A240\/A276\/A312 \u2013 Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m Inox (astm.org)<br \/>\n&#8211; EN 10088-1\/2\/3 \u2013 Stainless steels: List, technical delivery conditions (standards.cen.eu)<br \/>\n&#8211; JIS G4303\/G4304\/G4305 \u2013 Stainless steel bars\/plates\/strips (jisc.go.jp)<br \/>\n&#8211; Outokumpu Stainless Steel Handbook &#038; Grade Datasheets (outokumpu.com)<br \/>\n&#8211; ASSDA Grade Data Sheets (assda.asn.au)<br \/>\n&#8211; IMOA \u2013 Practical guidelines for stainless steels in chloride environments (imoa.info)<\/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>B\u1ea3ng quy \u0111\u1ed5i tr\u00ean gi\u00fap b\u1ea1n \u0111\u1ed1i chi\u1ebfu nhanh v\u00e0 ch\u00ednh x\u00e1c gi\u1eefa ASTM\/AISI\/UNS \u2013 JIS \u2013 DIN\/EN cho c\u00e1c m\u00e1c Inox th\u00f4ng d\u1ee5ng (201, 304\/304L, 316\/316L, 321, 430, 410, 2205, 17-4PH\u2026). Khi \u00e1p d\u1ee5ng th\u1ef1c t\u1ebf, lu\u00f4n \u01b0u ti\u00ean: (1) \u0111\u1ed1i chi\u1ebfu b\u1eb1ng UNS v\u00e0 s\u1ed1 EN, (2) ki\u1ec3m tra MTC\/CO\/CQ, (3) \u0111\u00e1nh gi\u00e1 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c (\u0103n m\u00f2n, nhi\u1ec7t, h\u00e0n) tr\u01b0\u1edbc khi thay th\u1ebf. L\u00e0m \u0111\u00fang ba b\u01b0\u1edbc n\u00e0y, b\u1ea1n s\u1ebd ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u, gi\u1ea3m r\u1ee7i ro b\u1ea3o h\u00e0nh v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi thi\u1ebft b\u1ecb.<\/p>\n<p>C\u1ea7n h\u1ed7 tr\u1ee3 x\u00e1c minh ch\u1ee9ng ch\u1ec9, l\u1ef1a ch\u1ecdn m\u00e1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c b\u00e1o gi\u00e1 nhanh c\u00e1c d\u00f2ng 304\/304L, 316\/316L, 430, 2205, 17-4PH\u2026? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chuy\u00ean s\u00e2u v\u00e0 gi\u00e1 t\u1ed1t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tra c\u1ee9u m\u00e1c Inox t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ASTM\u2013JIS\u2013DIN\/EN: 201, 304\/304L, 316\/316L, 321, 430, 410, 2205, 17-4PH\u2026 K\u00e8m l\u01b0u \u00fd thay th\u1ebf v\u00e0 x\u00e1c minh MTC.<\/p>\n","protected":false},"author":7,"featured_media":1026,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2391","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\/2391","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=2391"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2391\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1026"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}