{"id":1438,"date":"2025-12-17T00:35:36","date_gmt":"2025-12-16T17:35:36","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/din-va-en-cho-inox-khac-biet-ve-ky-hieu-yeu-cau-ky-thuat\/"},"modified":"2025-12-17T00:35:36","modified_gmt":"2025-12-16T17:35:36","slug":"din-va-en-cho-inox-khac-biet-ve-ky-hieu-yeu-cau-ky-thuat","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/din-va-en-cho-inox-khac-biet-ve-ky-hieu-yeu-cau-ky-thuat\/","title":{"rendered":"DIN v\u00e0 EN cho inox: kh\u00e1c bi\u1ec7t v\u1ec1 k\u00fd hi\u1ec7u, y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-tom-tat-nhanh-din-vs-en-khac-gi-trong-thuc-te\">T\u00f3m t\u1eaft nhanh: DIN vs EN \u2013 kh\u00e1c g\u00ec trong th\u1ef1c t\u1ebf?<\/a><\/li>\n<li><a href=\"#toc-1-din-va-en-la-gi-moi-quan-he-giua-hai-he\">DIN v\u00e0 EN l\u00e0 g\u00ec? M\u1ed1i quan h\u1ec7 gi\u1eefa hai h\u1ec7<\/a><\/li>\n<li><a href=\"#toc-2-he-thong-ky-hieuma-vat-lieu-din-werkstoffnummer-vs\">H\u1ec7 th\u1ed1ng k\u00fd hi\u1ec7u\/m\u00e3 v\u1eadt li\u1ec7u: DIN Werkstoffnummer vs EN 10027<\/a><\/li>\n<li><a href=\"#toc-3-cac-bo-tieu-chuan-inox-trong-yeu-din-cu-va-en-hien\">C\u00e1c b\u1ed9 ti\u00eau chu\u1ea9n inox tr\u1ecdng y\u1ebfu: DIN c\u0169 v\u00e0 EN hi\u1ec7n h\u00e0nh<\/a><\/li>\n<li><a href=\"#toc-4-nhung-khac-biet-ky-thuat-ban-can-luu-y\">Nh\u1eefng kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt b\u1ea1n c\u1ea7n l\u01b0u \u00fd<\/a><\/li>\n<li><a href=\"#toc-5-ung-dung-thuc-te-tai-viet-nam-cach-ghi-yeu-cau-don\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf t\u1ea1i Vi\u1ec7t Nam: c\u00e1ch ghi y\u00eau c\u1ea7u \u0111\u01a1n h\u00e0ng<\/a><\/li>\n<li><a href=\"#toc-6-vi-du-chuyen-doi-tieu-chuan-theo-nganh\">V\u00ed d\u1ee5 chuy\u1ec3n \u0111\u1ed5i ti\u00eau chu\u1ea9n theo ng\u00e0nh<\/a><\/li>\n<li><a href=\"#toc-7-hoi-nhanh-dap-gon\">H\u1ecfi nhanh \u2013 \u0111\u00e1p g\u1ecdn<\/a><\/li>\n<li><a href=\"#toc-8-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong mua b\u00e1n v\u00e0 thi\u1ebft k\u1ebf inox t\u1ea1i Vi\u1ec7t Nam, c\u00e1c thu\u1eadt ng\u1eef DIN (\u0110\u1ee9c) v\u00e0 EN (Ch\u00e2u \u00c2u) th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n song song, d\u1ec5 g\u00e2y nh\u1ea7m l\u1eabn. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch chi ti\u1ebft s\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c ch\u1ea5t gi\u1eefa hai h\u1ec7 ti\u00eau chu\u1ea9n cho inox, c\u00e1ch chuy\u1ec3n \u0111\u1ed5i k\u00fd hi\u1ec7u, ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m \u00e1p d\u1ee5ng, ch\u1ee9ng nh\u1eadn k\u00e8m theo, v\u00e0 c\u00e1ch ghi y\u00eau c\u1ea7u \u0111\u01a1n h\u00e0ng chu\u1ea9n. Ch\u1ee7 \u0111\u1ec1 n\u00e0y l\u00e0 m\u1ed9t m\u1ea3nh gh\u00e9p quan tr\u1ecdng trong h\u1ec7 \u201cTi\u00eau chu\u1ea9n v\u00e0 Ch\u1ee9ng nh\u1eadn Ch\u1ea5t l\u01b0\u1ee3ng Inox\u201d c\u00f9ng v\u1edbi ASTM, JIS v\u00e0 CO\/CQ.<\/p>\n<h2 id=\"toc-0-tom-tat-nhanh-din-vs-en-khac-gi-trong-thuc-te\">T\u00f3m t\u1eaft nhanh: DIN vs EN \u2013 kh\u00e1c g\u00ec trong th\u1ef1c t\u1ebf?<\/h2>\n<p>&#8211; DIN l\u00e0 h\u1ec7 ti\u00eau chu\u1ea9n c\u1ee7a \u0110\u1ee9c; EN l\u00e0 ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u h\u00e0i h\u00f2a. Ph\u1ea7n l\u1edbn ti\u00eau chu\u1ea9n inox DIN c\u0169 \u0111\u00e3 b\u1ecb thay th\u1ebf b\u1edfi EN v\u00e0 hi\u1ec7n \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n d\u1ea1ng \u201cDIN EN\u201d (DIN ch\u1ea5p nh\u1eadn EN \u1edf c\u1ea5p qu\u1ed1c gia).<br \/>\n&#8211; Kh\u00e1c bi\u1ec7t l\u1edbn nh\u1ea5t n\u1eb1m \u1edf c\u00e1ch k\u00fd hi\u1ec7u m\u00e1c th\u00e9p v\u00e0 b\u1ed9 ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m\/dung sai\/ch\u1ee9ng nh\u1eadn \u0111i k\u00e8m, kh\u00f4ng ph\u1ea3i \u1edf \u201cch\u1ea5t l\u01b0\u1ee3ng qu\u1ed1c gia\u201d.<br \/>\n&#8211; Khi \u0111\u1eb7t h\u00e0ng hi\u1ec7n nay: \u01b0u ti\u00ean tr\u00edch d\u1eabn ti\u00eau chu\u1ea9n EN hi\u1ec7n h\u00e0nh (v\u00ed d\u1ee5 EN 10088) v\u00e0 y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn EN 10204 d\u1ea1ng 3.1. K\u00fd hi\u1ec7u DIN (nh\u01b0 s\u1ed1 v\u1eadt li\u1ec7u 1.4301) v\u1eabn d\u00f9ng \u0111\u1ec3 nh\u1eadn d\u1ea1ng m\u00e1c, nh\u01b0ng ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt n\u00ean l\u00e0 EN.<\/p>\n<h2 id=\"toc-1-din-va-en-la-gi-moi-quan-he-giua-hai-he\">DIN v\u00e0 EN l\u00e0 g\u00ec? M\u1ed1i quan h\u1ec7 gi\u1eefa hai h\u1ec7<\/h2>\n<p>&#8211; DIN (Deutsches Institut f\u00fcr Normung): T\u1ed5 ch\u1ee9c ti\u00eau chu\u1ea9n qu\u1ed1c gia \u0110\u1ee9c. Tr\u01b0\u1edbc \u0111\u00e2y c\u00f3 nhi\u1ec1u ti\u00eau chu\u1ea9n inox ri\u00eang (v\u00ed d\u1ee5 DIN 17440).<br \/>\n&#8211; EN (European Standard): Ti\u00eau chu\u1ea9n do CEN\/CENELEC ban h\u00e0nh, \u00e1p d\u1ee5ng tr\u00ean to\u00e0n ch\u00e2u \u00c2u. \u0110\u1ee9c s\u1ebd c\u00f4ng b\u1ed1 l\u1ea1i th\u00e0nh \u201cDIN EN \u2026\u201d.<br \/>\n&#8211; \u201cDIN EN\u201d ngh\u0129a l\u00e0 ti\u00eau chu\u1ea9n EN \u0111\u00e3 \u0111\u01b0\u1ee3c DIN ch\u1ea5p thu\u1eadn. \u201cDIN EN ISO \u2026\u201d l\u00e0 EN ch\u1ea5p nh\u1eadn ISO, \u0110\u1ee9c l\u1ea1i ch\u1ea5p nh\u1eadn EN.<br \/>\n&#8211; H\u1ec7 qu\u1ea3: V\u1edbi inox, ti\u00eau chu\u1ea9n tham chi\u1ebfu k\u1ef9 thu\u1eadt hi\u1ec7n h\u00e0nh ph\u1ea7n l\u1edbn l\u00e0 EN\/EN ISO thay cho DIN c\u0169.<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o: BSSA \u2013 European standards for stainless steel.<\/p>\n<h2 id=\"toc-2-he-thong-ky-hieuma-vat-lieu-din-werkstoffnummer-vs\">H\u1ec7 th\u1ed1ng k\u00fd hi\u1ec7u\/m\u00e3 v\u1eadt li\u1ec7u: DIN Werkstoffnummer vs EN 10027<\/h2>\n<h3>Hai c\u00e1ch g\u1ecdi ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00f9ng m\u1ed9t m\u00e1c inox<\/h3>\n<p>&#8211; DIN (l\u1ecbch s\u1eed) d\u00f9ng s\u1ed1 v\u1eadt li\u1ec7u \u201cWerkstoffnummer\u201d d\u1ea1ng 1.4301, 1.4404, 1.4571,&#8230;<br \/>\n&#8211; EN \u00e1p d\u1ee5ng:<br \/>\n  &#8211; S\u1ed1 th\u00e9p theo EN 10027-2 (gi\u1ed1ng d\u1ea1ng 1.4301, k\u1ebf th\u1eeba t\u1eeb DIN).<br \/>\n  &#8211; T\u00ean th\u00e9p theo EN 10027-1 ki\u1ec3u X5CrNi18-10 (th\u00e0nh ph\u1ea7n danh \u0111\u1ecbnh).<br \/>\n&#8211; V\u00ec v\u1eady 1.4301 (DIN) \u2261 1.4301\/X5CrNi18-10 (EN) \u2248 304 (AISI). S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 c\u00e1ch ghi, kh\u00f4ng ph\u1ea3i m\u00e1c kh\u00e1c.<\/p>\n<h3>V\u00ed d\u1ee5 quy \u0111\u1ed5i th\u01b0\u1eddng g\u1eb7p<\/h3>\n<p>&#8211; 304: DIN 1.4301 \u2261 EN 1.4301, t\u00ean X5CrNi18-10.<br \/>\n&#8211; 304L: DIN 1.4307 \u2261 EN 1.4307, t\u00ean X2CrNi18-9.<br \/>\n&#8211; 316: DIN 1.4401 \u2261 EN 1.4401, t\u00ean X5CrNiMo17-12-2.<br \/>\n&#8211; 316L: DIN 1.4404 \u2261 EN 1.4404, t\u00ean X2CrNiMo17-12-2. L\u01b0u \u00fd bi\u1ebfn th\u1ec3 1.4435 c\u00f3 Mo cao h\u01a1n.<br \/>\n&#8211; 316Ti: DIN 1.4571 \u2261 EN 1.4571, t\u00ean X6CrNiMoTi17-12-2.<br \/>\n&#8211; 430: DIN 1.4016 \u2261 EN 1.4016, t\u00ean X6Cr17.<br \/>\n&#8211; 201: th\u01b0\u1eddng g\u1eb7p EN 1.4372, t\u00ean X12CrMnNiN17-7-5.<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o: Outokumpu Grade Datasheets; BSSA.<\/p>\n<h2 id=\"toc-3-cac-bo-tieu-chuan-inox-trong-yeu-din-cu-va-en-hien\">C\u00e1c b\u1ed9 ti\u00eau chu\u1ea9n inox tr\u1ecdng y\u1ebfu: DIN c\u0169 v\u00e0 EN hi\u1ec7n h\u00e0nh<\/h2>\n<p>&#8211; Th\u00e0nh ph\u1ea7n v\u00e0 t\u00ednh ch\u1ea5t m\u00e1c inox:<br \/>\n  &#8211; EN 10088-1: Danh m\u1ee5c m\u00e1c v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc.<br \/>\n  &#8211; EN 10088-2: Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt cho t\u1ea5m\/d\u1ea3i\/th\u00e9p d\u1eb9t.<br \/>\n  &#8211; EN 10088-3: Y\u00eau c\u1ea7u cho thanh\/th\u00e9p d\u00e0i.<br \/>\n  &#8211; Thay th\u1ebf ti\u00eau chu\u1ea9n DIN 17440 (\u0111\u00e3 r\u00fat\/b\u1ecb thay).<br \/>\n&#8211; \u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9:<br \/>\n  &#8211; EN 10216-5: \u1ed0ng li\u1ec1n m\u1ea1ch.<br \/>\n  &#8211; EN 10217-7: \u1ed0ng h\u00e0n cho m\u1ee5c \u0111\u00edch \u00e1p l\u1ef1c.<br \/>\n  &#8211; EN 10357: \u1ed0ng h\u00e0n d\u00f9ng cho c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c, h\u00f3a ch\u1ea5t \u2013 thay th\u1ebf DIN 11850.<br \/>\n  &#8211; EN ISO 1127: K\u00edch th\u01b0\u1edbc v\u00e0 dung sai \u1ed1ng inox.<br \/>\n&#8211; Bul\u00f4ng, \u0111ai \u1ed1c inox:<br \/>\n  &#8211; EN ISO 3506 (c\u00e1c ph\u1ea7n): C\u1ea5p t\u00ednh n\u0103ng c\u01a1 t\u00ednh A2, A4\u2026<br \/>\n&#8211; M\u1eb7t b\u00edch:<br \/>\n  &#8211; EN 1092-1 (m\u1eb7t b\u00edch th\u00e9p, bao g\u1ed3m inox).<br \/>\n&#8211; Ch\u1ee9ng nh\u1eadn\/gi\u1ea5y t\u1edd:<br \/>\n  &#8211; EN 10204: Lo\u1ea1i ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng (2.2, 3.1, 3.2). Ph\u1ed5 bi\u1ebfn nh\u1ea5t: 3.1.<br \/>\n&#8211; Th\u1eed nghi\u1ec7m \u0111i\u1ec3n h\u00ecnh:<br \/>\n  &#8211; EN ISO 6892-1 (k\u00e9o), EN ISO 6507 (\u0111\u1ed9 c\u1ee9ng Vickers), EN ISO 3651-2 (\u0103n m\u00f2n li\u00ean tinh), EN ISO 9227 (phun s\u01b0\u01a1ng mu\u1ed1i \u2013 ch\u1ee7 y\u1ebfu cho l\u1edbp ph\u1ee7, c\u1ea7n c\u00e2n nh\u1eafc khi \u00e1p d\u1ee5ng cho inox).<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o: BSSA; ISO 3506; EN 10357 (m\u00f4 t\u1ea3 ph\u1ea1m vi); EN 10204.<\/p>\n<h2 id=\"toc-4-nhung-khac-biet-ky-thuat-ban-can-luu-y\">Nh\u1eefng kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt b\u1ea1n c\u1ea7n l\u01b0u \u00fd<\/h2>\n<h3>1) Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 bi\u1ebfn th\u1ec3 m\u00e1c<\/h3>\n<p>&#8211; EN 10088-1 c\u00f3 th\u1ec3 quy \u0111\u1ecbnh bi\u00ean \u0111\u1ed9 th\u00e0nh ph\u1ea7n h\u01a1i kh\u00e1c DIN c\u0169 (DIN 17440). V\u00ed d\u1ee5:<br \/>\n  &#8211; 1.4404 (316L) theo EN c\u00f3 Mo ~2.0\u20132.5%. Bi\u1ebfn th\u1ec3 1.4435 c\u00f3 Mo cao h\u01a1n (~2.6\u20133.0%) cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n kh\u1eaft khe h\u01a1n. N\u1ebfu thi\u1ebft k\u1ebf y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n r\u1ed7\/\u0111i\u1ec3m pitting cao, n\u00ean ch\u1ec9 r\u00f5 1.4435 thay v\u00ec 1.4404.<br \/>\n&#8211; Kinh nghi\u1ec7m: \u0110\u1eebng ch\u1ec9 ghi \u201c316L\/1.4404\u201d n\u1ebfu b\u1ea1n th\u1eadt s\u1ef1 c\u1ea7n \u201c316L cao Mo\/1.4435\u201d.<\/p>\n<h3>2) T\u00ednh ch\u1ea5t c\u01a1 t\u00ednh theo chi\u1ec1u d\u00e0y v\u00e0 d\u1ea1ng s\u1ea3n ph\u1ea9m<\/h3>\n<p>&#8211; EN 10088-2\/-3 quy \u0111\u1ecbnh c\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u theo d\u1ea1ng (t\u1ea5m\/thanh\/d\u1ea3i) v\u00e0 d\u1ea3i chi\u1ec1u d\u00e0y. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 kh\u00e1c v\u1edbi d\u1eef li\u1ec7u th\u01b0\u01a1ng m\u1ea1i\/ASTM quen d\u00f9ng.<br \/>\n&#8211; V\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn:<br \/>\n  &#8211; 1.4301 (304) \u1edf tr\u1ea1ng th\u00e1i \u1ee7: Rm t\u1ed1i thi\u1ec3u kho\u1ea3ng 500 MPa, Re t\u1ed1i thi\u1ec3u kho\u1ea3ng 210 MPa cho t\u1ea5m m\u1ecfng. T\u1ea5m d\u00e0y\/\u0111i\u1ec1u ki\u1ec7n kh\u00e1c c\u00f3 th\u1ec3 thay \u0111\u1ed5i. Lu\u00f4n \u0111\u1ed1i chi\u1ebfu b\u1ea3ng c\u1ee7a ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng.<\/p>\n<h3>3) Dung sai k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 ph\u1eb3ng<\/h3>\n<p>&#8211; Dung sai t\u1ea5m\/d\u1ea3i:<br \/>\n  &#8211; Th\u01b0\u1eddng tham chi\u1ebfu EN 10051 (c\u00e1n n\u00f3ng), EN ISO 9445 (c\u00e1n ngu\u1ed9i) cho inox d\u1eb9t. M\u1ed9t s\u1ed1 h\u1ea1ng m\u1ee5c \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh ngay trong EN 10088-2 b\u1eb1ng c\u00e1ch d\u1eabn chi\u1ebfu.<br \/>\n&#8211; Dung sai \u1ed1ng inox:<br \/>\n  &#8211; EN ISO 1127 quy \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh, \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 \u00f4 van, \u0111\u1ed9 th\u1eb3ng.<br \/>\n&#8211; L\u01b0u \u00fd: Dung sai theo EN c\u00f3 th\u1ec3 ch\u1eb7t h\u01a1n ho\u1eb7c kh\u00e1c \u0111i\u1ec3m \u0111\u1eb7t so v\u1edbi ti\u00eau chu\u1ea9n nh\u00e0 m\u00e1y\/ASTM. H\u00e3y ch\u1ec9 r\u00f5 ti\u00eau chu\u1ea9n dung sai \u0111\u1ec3 tr\u00e1nh tranh ch\u1ea5p.<\/p>\n<h3>4) B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n v\u00e0 nh\u00e1m<\/h3>\n<p>&#8211; EN 10088-2 s\u1eed d\u1ee5ng m\u00e3 2B, 2D, BA, No.1\u2026 \u0111\u1ed3ng thu\u1eadn v\u1edbi th\u00f4ng l\u1ec7 qu\u1ed1c t\u1ebf.<br \/>\n&#8211; Y\u00eau c\u1ea7u nh\u00e1m cho \u1ed1ng v\u1ec7 sinh\/thi\u1ebft b\u1ecb th\u1ef1c ph\u1ea9m c\u00f3 th\u1ec3 ch\u1ec9 theo Ra (EN ISO 4287\/4288). V\u1edbi EN 10357, c\u1ea7n x\u00e1c nh\u1eadn c\u00f3 \u0111\u00e1nh b\u00f3ng n\u1ed9i\/ngo\u1ea1i v\u00e0 m\u1ee9c Ra y\u00eau c\u1ea7u (v\u00ed d\u1ee5 Ra \u2264 0.8 \u00b5m).<\/p>\n<h3>5) Ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng<\/h3>\n<p>&#8211; EN 10204 lo\u1ea1i 3.1: Nh\u00e0 s\u1ea3n xu\u1ea5t x\u00e1c nh\u1eadn k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m l\u00f4, l\u00e0 chu\u1ea9n m\u1ef1c khi mua inox c\u00f4ng nghi\u1ec7p t\u1ea1i EU v\u00e0 Vi\u1ec7t Nam.<br \/>\n&#8211; Lo\u1ea1i 3.2: B\u00ean th\u1ee9 ba\/ch\u1ee7 th\u1ec3 \u0111\u1ed9c l\u1eadp x\u00e1c nh\u1eadn \u2013 d\u00f9ng cho d\u1ef1 \u00e1n c\u00f3 y\u00eau c\u1ea7u cao.<br \/>\n&#8211; Ki\u1ec3m tra nh\u1eadn d\u1ea1ng v\u1eadt li\u1ec7u (PMI) n\u00ean \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u b\u1ed5 sung t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng ho\u1eb7c b\u1edfi nh\u00e0 cung c\u1ea5p khi c\u1ea7n.<\/p>\n<h2 id=\"toc-5-ung-dung-thuc-te-tai-viet-nam-cach-ghi-yeu-cau-don\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf t\u1ea1i Vi\u1ec7t Nam: c\u00e1ch ghi y\u00eau c\u1ea7u \u0111\u01a1n h\u00e0ng<\/h2>\n<p>\u0110\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn \u201cDIN vs EN\u201d, c\u00e1ch ghi khuy\u1ebfn ngh\u1ecb:<br \/>\n1) M\u00e1c inox:<br \/>\n&#8211; Ghi s\u1ed1 EN v\u00e0\/ho\u1eb7c s\u1ed1 v\u1eadt li\u1ec7u: \u201cEN 1.4301 (X5CrNi18-10)\u201d, ho\u1eb7c \u201c1.4301 (EN)\u201d. C\u00f3 th\u1ec3 th\u00eam \u0111\u1ed1i chi\u1ebfu AISI cho d\u1ec5 hi\u1ec3u: \u201c\u2248 304\u201d.<br \/>\n2) Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m:<br \/>\n&#8211; T\u1ea5m\/d\u1ea3i: EN 10088-2. Thanh: EN 10088-3.<br \/>\n&#8211; \u1ed0ng li\u1ec1n m\u1ea1ch: EN 10216-5. \u1ed0ng h\u00e0n \u00e1p l\u1ef1c: EN 10217-7. \u1ed0ng v\u1ec7 sinh th\u1ef1c ph\u1ea9m: EN 10357 (thay DIN 11850).<br \/>\n3) K\u00edch th\u01b0\u1edbc v\u00e0 dung sai:<br \/>\n&#8211; Ch\u1ec9 r\u00f5 ti\u00eau chu\u1ea9n dung sai: v\u00ed d\u1ee5 \u201cDung sai theo EN ISO 1127\u201d (\u1ed1ng) ho\u1eb7c \u201cEN ISO 9445\u201d (d\u1ea3i c\u00e1n ngu\u1ed9i) ho\u1eb7c \u201cEN 10051\u201d (t\u1ea5m c\u00e1n n\u00f3ng).<br \/>\n4) B\u1ec1 m\u1eb7t\/tr\u1ea1ng th\u00e1i giao h\u00e0ng:<br \/>\n&#8211; V\u00ed d\u1ee5 \u201cB\u1ec1 m\u1eb7t 2B, \u1ee7 m\u1ec1m\u201d.<br \/>\n5) Ch\u1ee9ng nh\u1eadn:<br \/>\n&#8211; \u201cY\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn EN 10204 lo\u1ea1i 3.1\u201d. D\u1ef1 \u00e1n nghi\u00eam ng\u1eb7t: \u201c3.2\u201d.<br \/>\n6) Y\u00eau c\u1ea7u b\u1ed5 sung:<br \/>\n&#8211; PMI, ki\u1ec3m \u0111\u1ecbnh th\u00e0nh ph\u1ea7n; \u0111\u1ed9 nh\u00e1m Ra; c\u1ea5p s\u1ea1ch bao g\u00f3i; m\u1ee9c th\u1eed \u0103n m\u00f2n li\u00ean tinh (EN ISO 3651-2) n\u1ebfu h\u00e0n nhi\u1ec7t cao.<br \/>\nV\u00ed d\u1ee5 ghi ch\u00fa \u0111\u01a1n h\u00e0ng:<br \/>\n&#8211; \u201cInox EN 1.4404 (X2CrNiMo17-12-2) \u2013 t\u1ea5m 3.0 x 1500 x 6000 mm \u2013 EN 10088-2 \u2013 b\u1ec1 m\u1eb7t 2B \u2013 dung sai theo EN 10051 \u2013 ch\u1ee9ng nh\u1eadn EN 10204 3.1 \u2013 PMI 100%.\u201d<\/p>\n<h2 id=\"toc-6-vi-du-chuyen-doi-tieu-chuan-theo-nganh\">V\u00ed d\u1ee5 chuy\u1ec3n \u0111\u1ed5i ti\u00eau chu\u1ea9n theo ng\u00e0nh<\/h2>\n<p>&#8211; \u1ed0ng v\u1ec7 sinh (th\u1ef1c ph\u1ea9m\/d\u01b0\u1ee3c):<br \/>\n  &#8211; C\u0169: DIN 11850 (Series 1\/2). M\u1edbi: EN 10357 (Series A\/B\/C). Khi t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf ghi DIN 11850, h\u00e3y \u0111\u1ec1 ngh\u1ecb d\u00f9ng EN 10357 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, k\u00e8m b\u1ea3ng quy \u0111\u1ed5i k\u00edch th\u01b0\u1edbc n\u1ebfu c\u1ea7n.<br \/>\n&#8211; Bul\u00f4ng inox:<br \/>\n  &#8211; C\u01a1 t\u00ednh theo EN ISO 3506 (A2-70, A4-80&#8230;). N\u1ebfu t\u00e0i li\u1ec7u c\u0169 ghi \u201cDIN 933\u201d v\u1ec1 ki\u1ec3u h\u00ecnh h\u1ecdc, hi\u1ec7n nay th\u01b0\u1eddng d\u00f9ng ISO 4017; c\u01a1 t\u00ednh v\u1eabn tham chi\u1ebfu EN ISO 3506.<br \/>\n&#8211; M\u1eb7t b\u00edch:<br \/>\n  &#8211; D\u00f9ng EN 1092-1. N\u1ebfu tr\u01b0\u1edbc \u0111\u00e2y mua theo DIN 2576\/2633\u2026, h\u00e3y chuy\u1ec3n sang EN 1092-1 v\u1edbi PN t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n<h2 id=\"toc-7-hoi-nhanh-dap-gon\">H\u1ecfi nhanh \u2013 \u0111\u00e1p g\u1ecdn<\/h2>\n<p>&#8211; DIN 1.4301 c\u00f3 kh\u00e1c EN 1.4301 kh\u00f4ng?<br \/>\n  &#8211; Kh\u00f4ng. 1.4301 l\u00e0 s\u1ed1 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c EN 10027-2 ch\u1ea5p nh\u1eadn. \u0110i\u1ec3m kh\u00e1c l\u00e0 b\u1ed9 ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng cho s\u1ea3n ph\u1ea9m v\u00e0 ch\u1ee9ng nh\u1eadn \u0111i k\u00e8m.<br \/>\n&#8211; C\u00f3 th\u1ec3 d\u00f9ng k\u00fd hi\u1ec7u AISI thay cho EN\/DIN?<br \/>\n  &#8211; AISI ti\u1ec7n nh\u1eadn di\u1ec7n nh\u01b0ng kh\u00f4ng ph\u1ea3i ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m. Khi \u0111\u1eb7t h\u00e0ng, v\u1eabn c\u1ea7n vi\u1ec7n d\u1eabn EN 10088-2\/-3, EN 10216-5\u2026 v\u00e0 EN 10204.<br \/>\n&#8211; Khi t\u00e0i li\u1ec7u d\u1ef1 \u00e1n ch\u1ec9 ghi \u201cDIN 17440\u201d, c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c kh\u00f4ng?<br \/>\n  &#8211; DIN 17440 \u0111\u00e3 b\u1ecb thay th\u1ebf. H\u00e3y c\u1eadp nh\u1eadt sang EN 10088 (ph\u1ea7n ph\u00f9 h\u1ee3p) v\u00e0 th\u1ed1ng nh\u1ea5t v\u1edbi t\u01b0 v\u1ea5n\/gi\u00e1m s\u00e1t.<br \/>\n&#8211; CO\/CQ c\u1ea7n nh\u1eefng g\u00ec?<br \/>\n  &#8211; Y\u00eau c\u1ea7u CQ theo EN 10204 3.1, th\u1ec3 hi\u1ec7n m\u00e1c theo EN 10027, k\u1ebft qu\u1ea3 th\u1eed c\u01a1 l\u00fd\/h\u00f3a ph\u00f9 h\u1ee3p ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m EN \u00e1p d\u1ee5ng.<\/p>\n<h2 id=\"toc-8-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; British Stainless Steel Association (BSSA) \u2013 European standards for stainless steel: https:\/\/bssa.org.uk\/topics\/european-standards-for-stainless-steel\/<br \/>\n&#8211; Outokumpu Grade Datasheets (v\u00ed d\u1ee5 1.4301\/304, 1.4404\/316L): https:\/\/www.outokumpu.com\/en\/grades<br \/>\n&#8211; ISO 3506 (c\u00e1c ph\u1ea7n) \u2013 Mechanical properties of corrosion-resistant stainless steel fasteners: https:\/\/www.iso.org\/standard\/72029.html<br \/>\n&#8211; EN 10357:2013 \u2013 Stainless steel tubes for the food and chemical industry (m\u00f4 t\u1ea3): https:\/\/standards.iteh.ai\/catalog\/standards\/cen\/1e84c1aa-b7f3-4f3e-a7b2-9378264340f1\/en-10357-2013<br \/>\n&#8211; EN 10204 \u2013 Metallic products \u2013 Types of inspection documents (kh\u00e1i qu\u00e1t): https:\/\/en.wikipedia.org\/wiki\/EN_10204<\/p>\n<h2 id=\"toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>V\u1ec1 b\u1ea3n ch\u1ea5t, \u201cDIN vs EN cho inox\u201d kh\u00f4ng ph\u1ea3i l\u00e0 hai \u201cchu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng\u201d \u0111\u1ed1i \u0111\u1ea7u. DIN l\u1ecbch s\u1eed cung c\u1ea5p k\u00fd hi\u1ec7u quen thu\u1ed9c (1.4301, 1.4404\u2026), nh\u01b0ng ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt hi\u1ec7n h\u00e0nh cho inox t\u1ea1i ch\u00e2u \u00c2u l\u00e0 EN\/EN ISO. \u0110i\u1ec3m kh\u00e1c bi\u1ec7t th\u1ef1c t\u1ebf n\u1eb1m \u1edf:<br \/>\n&#8211; C\u00e1ch k\u00fd hi\u1ec7u m\u00e1c (EN 10027) v\u00e0 t\u00ean th\u00e9p X\u2026\/s\u1ed1 1.\u2026.;<br \/>\n&#8211; B\u1ed9 ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m\/dung sai (EN 10088, EN 10216-5, EN 10217-7, EN 10357, EN ISO 1127, EN 10051, EN ISO 9445\u2026);<br \/>\n&#8211; Ch\u1ee9ng nh\u1eadn v\u00e0 th\u1eed nghi\u1ec7m \u0111i k\u00e8m (EN 10204, EN ISO 6892-1, EN ISO 3651-2\u2026).<br \/>\n\u0110\u1ec3 \u0111\u1eb7t h\u00e0ng \u0111\u00fang v\u00e0 ki\u1ec3m so\u00e1t r\u1ee7i ro, h\u00e3y ghi m\u00e1c theo EN 10027, vi\u1ec7n d\u1eabn ti\u00eau chu\u1ea9n EN ph\u00f9 h\u1ee3p v\u1edbi d\u1ea1ng s\u1ea3n ph\u1ea9m, quy \u0111\u1ecbnh r\u00f5 dung sai, b\u1ec1 m\u1eb7t, tr\u1ea1ng th\u00e1i giao h\u00e0ng v\u00e0 y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn EN 10204 3.1.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n chi ti\u1ebft, quy \u0111\u1ed5i ti\u00eau chu\u1ea9n v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh:<br \/>\n&#8211; Hotline: 0343.417.281<br \/>\n&#8211; Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>So s\u00e1nh ti\u00eau chu\u1ea9n DIN (\u0110\u1ee9c) v\u00e0 EN (Ch\u00e2u \u00c2u) cho inox: kh\u00e1c nhau \u1edf k\u00fd hi\u1ec7u, ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m, dung sai v\u00e0 ch\u1ee9ng nh\u1eadn EN 10204. H\u01b0\u1edbng d\u1eabn \u0111\u1eb7t h\u00e0ng chu\u1ea9n.<\/p>\n","protected":false},"author":7,"featured_media":1044,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1438","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\/1438","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=1438"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1438\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1044"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}