{"id":2365,"date":"2026-07-30T00:33:37","date_gmt":"2026-07-29T17:33:37","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/"},"modified":"2026-07-30T00:33:37","modified_gmt":"2026-07-29T17:33:37","slug":"ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/","title":{"rendered":"B\u1ea3n \u0111\u1ed3 ti\u00eau chu\u1ea9n inox: ASTM, JIS, EN v\u00e0 CO\/CQ t\u1eeb A-Z"},"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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#Nen_tang_tieu_chuan_inox_chia_khoa_kiem_soat_chat_luong_va_rui_ro\" >N\u1ec1n t\u1ea3ng ti\u00eau chu\u1ea9n inox: ch\u00eca kh\u00f3a ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 r\u1ee7i ro<\/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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#He_tieu_chuan_va_chung_nhan_inox_la_gi_va_vi_sao_quan_trong\" >H\u1ec7 ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn inox: l\u00e0 g\u00ec v\u00e0 v\u00ec sao quan tr\u1ecdng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#Nhung_khia_canh_then_chot_khi_lam_viec_voi_tieu_chuan_inox\" >Nh\u1eefng kh\u00eda c\u1ea1nh then ch\u1ed1t khi l\u00e0m vi\u1ec7c v\u1edbi ti\u00eau chu\u1ea9n inox<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#1_Danh_dinh_mac_va_tuong_duong_tieu_chuan\" >1) Danh \u0111\u1ecbnh m\u00e1c v\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ti\u00eau chu\u1ea9n<\/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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#2_Dang_san_pham_va_tieu_chuan_ap_dung\" >2) D\u1ea1ng s\u1ea3n ph\u1ea9m v\u00e0 ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng<\/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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#3_Dung_sai_va_be_mat_%E2%80%93_%E2%80%9Cvach_dich%E2%80%9D_kich_thuoc_va_tham_my\" >3) Dung sai v\u00e0 b\u1ec1 m\u1eb7t \u2013 \u201cv\u1ea1ch \u0111\u00edch\u201d k\u00edch th\u01b0\u1edbc v\u00e0 th\u1ea9m m\u1ef9<\/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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#4_Truy_xuat_va_chung_tu_CO_CQ_MTC\" >4) Truy xu\u1ea5t v\u00e0 ch\u1ee9ng t\u1eeb: CO, CQ, MTC<\/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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#5_Kiem_tra_vat_lieu_tu_PMI_den_thi_nghiem_co_ly\" >5) Ki\u1ec3m tra v\u1eadt li\u1ec7u: t\u1eeb PMI \u0111\u1ebfn th\u00ed nghi\u1ec7m c\u01a1 l\u00fd<\/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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#Dao_sau_tung_nhom_tieu_chuan_va_chung_nhan\" >\u0110\u00e0o s\u00e2u t\u1eebng nh\u00f3m ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn<\/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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#Ung_dung_thuc_te_va_khuyen_nghi_chuyen_gia\" >\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb chuy\u00ean gia<\/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\/ban-do-tieu-chuan-inox-astm-jis-en-va-co-cq-tu-a-z\/#Ket_luan_va_buoc_tiep_theo\" >K\u1ebft lu\u1eadn v\u00e0 b\u01b0\u1edbc ti\u1ebfp theo<\/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-nen-tang-tieu-chuan-inox-chia-khoa-kiem-soat-chat-\">N\u1ec1n t\u1ea3ng ti\u00eau chu\u1ea9n inox: ch\u00eca kh\u00f3a ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 r\u1ee7i ro<\/a><\/li>\n<li><a href=\"#toc-1-he-tieu-chuan-va-chung-nhan-inox-la-gi-va-vi-sao-q\">H\u1ec7 ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn inox: l\u00e0 g\u00ec v\u00e0 v\u00ec sao quan tr\u1ecdng?<\/a><\/li>\n<li><a href=\"#toc-2-nhung-khia-canh-then-chot-khi-lam-viec-voi-tieu-ch\">Nh\u1eefng kh\u00eda c\u1ea1nh then ch\u1ed1t khi l\u00e0m vi\u1ec7c v\u1edbi ti\u00eau chu\u1ea9n inox<\/a><\/li>\n<li><a href=\"#toc-3-dao-sau-tung-nhom-tieu-chuan-va-chung-nhan\">\u0110\u00e0o s\u00e2u t\u1eebng nh\u00f3m ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn<\/a><\/li>\n<li><a href=\"#toc-4-ung-dung-thuc-te-va-khuyen-nghi-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb chuy\u00ean gia<\/a><\/li>\n<li><a href=\"#toc-5-ket-luan-va-buoc-tiep-theo\">K\u1ebft lu\u1eadn v\u00e0 b\u01b0\u1edbc ti\u1ebfp theo<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"toc-0-nen-tang-tieu-chuan-inox-chia-khoa-kiem-soat-chat-\"><span class=\"ez-toc-section\" id=\"Nen_tang_tieu_chuan_inox_chia_khoa_kiem_soat_chat_luong_va_rui_ro\"><\/span>N\u1ec1n t\u1ea3ng ti\u00eau chu\u1ea9n inox: ch\u00eca kh\u00f3a ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 r\u1ee7i ro<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u1eeb x\u01b0\u1edfng c\u01a1 kh\u00ed \u0111\u1ebfn nh\u00e0 m\u00e1y c\u00f4ng nghi\u1ec7p, sai kh\u00e1c nh\u1ecf trong ti\u00eau chu\u1ea9n inox c\u00f3 th\u1ec3 khi\u1ebfn c\u1ea3 d\u00e2y chuy\u1ec1n ng\u1eebng tr\u1ec7: m\u00e1c kh\u00f4ng \u0111\u00fang, dung sai l\u1ec7ch, ch\u1ee9ng t\u1eeb thi\u1ebfu t\u00ednh h\u1ee3p l\u1ec7. V\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p l\u00e0 nh\u1ea7m l\u1eabn gi\u1eefa m\u00e1c theo M\u1ef9 (ASTM\/AISI) v\u00e0 Nh\u1eadt (JIS), kh\u00f4ng ki\u1ec3m \u0111\u01b0\u1ee3c CO\/CQ hay MTC, v\u00e0 b\u1ecf s\u00f3t y\u00eau c\u1ea7u v\u1ec7 sinh th\u1ef1c ph\u1ea9m. B\u00e0i vi\u1ebft n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 \u201cb\u1ea3n \u0111\u1ed3\u201d h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng inox \u0111ang d\u00f9ng t\u1ea1i Vi\u1ec7t Nam: ASTM, JIS, DIN\/EN, GB; c\u00f9ng b\u1ed9 ch\u1ee9ng t\u1eeb CO, CQ, MTC v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n \u1ee9ng d\u1ee5ng. M\u1ee5c ti\u00eau l\u00e0 gi\u00fap k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u, ch\u1ee7 x\u01b0\u1edfng \u0111\u1ecdc \u2013 hi\u1ec3u \u2013 \u0111\u1ed1i chi\u1ebfu \u0111\u00fang, t\u1eeb \u0111\u00f3 mua \u0111\u00fang v\u1eadt t\u01b0, nghi\u1ec7m thu g\u1ecdn g\u00e0ng, gi\u1ea3m r\u1ee7i ro ph\u00e1p l\u00fd v\u00e0 b\u1ea3o h\u00e0nh. B\u1ea1n s\u1ebd c\u00f3 m\u1ed9t checklist ch\u1ecdn m\u00e1c, ki\u1ec3m dung sai, \u0111\u1ed1i chi\u1ebfu t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, \u0111\u1ecdc CO\/CQ, soi MTC, v\u00e0 ti\u00eau ch\u00ed quan tr\u1ecdng cho \u1ed1ng c\u00f4ng nghi\u1ec7p, c\u0169ng nh\u01b0 inox ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m.<\/p>\n<h2 id=\"toc-1-he-tieu-chuan-va-chung-nhan-inox-la-gi-va-vi-sao-q\"><span class=\"ez-toc-section\" id=\"He_tieu_chuan_va_chung_nhan_inox_la_gi_va_vi_sao_quan_trong\"><\/span>H\u1ec7 ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn inox: l\u00e0 g\u00ec v\u00e0 v\u00ec sao quan tr\u1ecdng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u1ec7 ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u inox: L\u00e0 b\u1ed9 quy \u0111\u1ecbnh k\u1ef9 thu\u1eadt v\u1ec1 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh, ki\u1ec3u s\u1ea3n ph\u1ea9m v\u00e0 y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m. Ph\u1ed5 bi\u1ebfn g\u1ed3m ASTM (M\u1ef9), JIS (Nh\u1eadt), DIN\/EN (\u0110\u1ee9c\/Ch\u00e2u \u00c2u), GB (Trung Qu\u1ed1c). V\u00ed d\u1ee5: ASTM A240\/A240M cho t\u1ea5m\/cu\u1ed9n inox; JIS G4304\/G4305 cho t\u1ea5m\/cu\u1ed9n; EN 10088 cho m\u00e1c v\u00e0 s\u1ea3n ph\u1ea9m inox; GB\/T 3280 cho t\u1ea5m\/cu\u1ed9n.<br \/>\n&#8211; Ch\u1ee9ng nh\u1eadn v\u00e0 h\u1ed3 s\u01a1 ch\u1ea5t l\u01b0\u1ee3ng: CO (Certificate of Origin \u2013 xu\u1ea5t x\u1ee9), CQ (Certificate of Quality \u2013 ch\u1ea5t l\u01b0\u1ee3ng do nh\u00e0 s\u1ea3n xu\u1ea5t\/nh\u00e0 cung c\u1ea5p c\u1ea5p), MTC (Mill Test Certificate \u2013 ch\u1ee9ng ch\u1ec9 th\u1eed nghi\u1ec7m l\u00f4, th\u01b0\u1eddng theo EN 10204 lo\u1ea1i 3.1). \u0110\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 ch\u1ee9ng minh tu\u00e2n th\u1ee7 \u0111\u01a1n h\u00e0ng, \u0111\u1ea5u th\u1ea7u, th\u00f4ng quan, audit.<br \/>\n&#8211; Gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf:<br \/>\n  + Gi\u1ea3m r\u1ee7i ro sai m\u00e1c, sai dung sai, sai b\u1ec1 m\u1eb7t.<br \/>\n  + H\u1ed7 tr\u1ee3 th\u1ea9m \u0111\u1ecbnh h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt khi d\u1ef1 th\u1ea7u, nghi\u1ec7m thu.<br \/>\n  + T\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi: ch\u1ecdn \u0111\u00fang m\u00e1c (304\/316\/201\/430\u2026) cho m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c c\u1ee5 th\u1ec3.<br \/>\n  + \u0110\u1ea3m b\u1ea3o an to\u00e0n s\u1ea3n ph\u1ea9m, \u0111\u1eb7c bi\u1ec7t \u1ee9ng d\u1ee5ng th\u1ef1c ph\u1ea9m\/y t\u1ebf.<\/p>\n<h2 id=\"toc-2-nhung-khia-canh-then-chot-khi-lam-viec-voi-tieu-ch\"><span class=\"ez-toc-section\" id=\"Nhung_khia_canh_then_chot_khi_lam_viec_voi_tieu_chuan_inox\"><\/span>Nh\u1eefng kh\u00eda c\u1ea1nh then ch\u1ed1t khi l\u00e0m vi\u1ec7c v\u1edbi ti\u00eau chu\u1ea9n inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Danh_dinh_mac_va_tuong_duong_tieu_chuan\"><\/span>1) Danh \u0111\u1ecbnh m\u00e1c v\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ti\u00eau chu\u1ea9n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f9ng m\u1ed9t \u201c304\u201d c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n v\u1edbi c\u00e1c m\u00e3 kh\u00e1c nhau: AISI 304 (M\u1ef9), SUS304 (JIS), 1.4301 ho\u1eb7c X5CrNi18-10 (EN). B\u1ea3n ch\u1ea5t ch\u00fang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1ec1 m\u1ee5c ti\u00eau th\u00e0nh ph\u1ea7n v\u00e0 t\u00ednh n\u0103ng, nh\u01b0ng m\u1ed7i ti\u00eau chu\u1ea9n c\u00f3 bi\u00ean \u0111\u1ed9 th\u00e0nh ph\u1ea7n v\u00e0 th\u1eed nghi\u1ec7m ri\u00eang. Khi l\u1eadp \u0111\u01a1n h\u00e0ng, c\u1ea7n n\u00eau r\u00f5 h\u1ec7 ti\u00eau chu\u1ea9n v\u00e0 \u0111i\u1ec1u kho\u1ea3n th\u1eed nghi\u1ec7m \u0111\u1ec3 tr\u00e1nh hi\u1ec3u nh\u1ea7m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Dang_san_pham_va_tieu_chuan_ap_dung\"><\/span>2) D\u1ea1ng s\u1ea3n ph\u1ea9m v\u00e0 ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; T\u1ea5m\/cu\u1ed9n: ASTM A240 (M\u1ef9), JIS G4304\/G4305 (Nh\u1eadt), EN 10088-2 (EU), GB\/T 3280 (Trung Qu\u1ed1c).<br \/>\n&#8211; \u1ed0ng: ASTM A312 (\u1ed1ng c\u00f4ng nghi\u1ec7p), A269 (\u1ed1ng trao \u0111\u1ed5i nhi\u1ec7t\/\u0111a d\u1ee5ng), A270 (\u1ed1ng vi sinh), JIS G3448\/G3459, EN 10217\/10296 t\u00f9y lo\u1ea1i.<br \/>\n&#8211; Thanh, l\u00e1p, h\u00ecnh: ASTM A276\/A479, EN 10088-3, JIS G4303\u2026<br \/>\nM\u1ed7i ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc danh ngh\u0129a, b\u1ec1 m\u1eb7t (No.1, 2B, BA, HL\u2026), dung sai v\u00e0 th\u1eed nghi\u1ec7m t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Dung_sai_va_be_mat_%E2%80%93_%E2%80%9Cvach_dich%E2%80%9D_kich_thuoc_va_tham_my\"><\/span>3) Dung sai v\u00e0 b\u1ec1 m\u1eb7t \u2013 \u201cv\u1ea1ch \u0111\u00edch\u201d k\u00edch th\u01b0\u1edbc v\u00e0 th\u1ea9m m\u1ef9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Dung sai \u0111\u1ed9 d\u00e0y\/chi\u1ec1u r\u1ed9ng\/\u0111\u1ed9 ph\u1eb3ng (v\u00ed d\u1ee5 theo ASTM A480 cho t\u1ea5m\/cu\u1ed9n) quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng gia c\u00f4ng c\u1eaft laser, ch\u1ea5n u\u1ed1n, h\u00e0n. B\u1ec1 m\u1eb7t 2B, BA, No.4\/HL hay No.1 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ed1ng \u0103n m\u00f2n, v\u1ec7 sinh v\u00e0 y\u00eau c\u1ea7u th\u1ea9m m\u1ef9. Ghi r\u00f5 b\u1ec1 m\u1eb7t v\u00e0 dung sai m\u1ee5c ti\u00eau trong PO gi\u00fap nh\u1eadn h\u00e0ng nh\u1ea5t qu\u00e1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Truy_xuat_va_chung_tu_CO_CQ_MTC\"><\/span>4) Truy xu\u1ea5t v\u00e0 ch\u1ee9ng t\u1eeb: CO, CQ, MTC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; CO ch\u1ee9ng minh xu\u1ea5t x\u1ee9 h\u1ee3p l\u1ec7 theo hi\u1ec7p \u0111\u1ecbnh.<br \/>\n&#8211; CQ th\u1ec3 hi\u1ec7n nh\u00e0 s\u1ea3n xu\u1ea5t\/nh\u00e0 cung c\u1ea5p x\u00e1c nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng ph\u00f9 h\u1ee3p \u0111\u01a1n h\u00e0ng\/ti\u00eau chu\u1ea9n.<br \/>\n&#8211; MTC (EN 10204 3.1) l\u00e0 ch\u1ee9ng ch\u1ec9 c\u1ed1t l\u00f5i c\u00f3 s\u1ed1 Heat, th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh, k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m. Gh\u00e9p Heat No. tr\u00ean v\u1eadt v\u1edbi MTC v\u00e0 CQ l\u00e0 b\u01b0\u1edbc t\u1ed1i thi\u1ec3u \u0111\u1ec3 nghi\u1ec7m thu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Kiem_tra_vat_lieu_tu_PMI_den_thi_nghiem_co_ly\"><\/span>5) Ki\u1ec3m tra v\u1eadt li\u1ec7u: t\u1eeb PMI \u0111\u1ebfn th\u00ed nghi\u1ec7m c\u01a1 l\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea1i x\u01b0\u1edfng, t\u1ed1i thi\u1ec3u n\u00ean c\u00f3 PMI (Positive Material Identification) b\u1eb1ng XRF \u0111\u1ec3 nh\u1eadn di\u1ec7n nhanh th\u00e0nh ph\u1ea7n h\u1ee3p kim (Ni, Cr, Mn\u2026). V\u1edbi d\u1ef1 \u00e1n quan tr\u1ecdng, y\u00eau c\u1ea7u th\u00eam th\u1eed k\u00e9o, u\u1ed1n, \u0111\u1ed9 c\u1ee9ng, \u0103n m\u00f2n li\u00ean h\u1ea1t theo ti\u00eau chu\u1ea9n \u0111\u1eb7t h\u00e0ng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u00fang \u0111\u1eafn gi\u1eefa gi\u1ea5y t\u1edd v\u00e0 v\u1eadt th\u1eadt.<\/p>\n<h2 id=\"toc-3-dao-sau-tung-nhom-tieu-chuan-va-chung-nhan\"><span class=\"ez-toc-section\" id=\"Dao_sau_tung_nhom_tieu_chuan_va_chung_nhan\"><\/span>\u0110\u00e0o s\u00e2u t\u1eebng nh\u00f3m ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>ASTM l\u00e0 \u201cng\u00f4n ng\u1eef chung\u201d trong nhi\u1ec1u d\u1ef1 \u00e1n FDI t\u1ea1i Vi\u1ec7t Nam. Vi\u1ec7c hi\u1ec3u c\u1ea5u tr\u00fac ch\u1ec9 m\u1ee5c (v\u00ed d\u1ee5 A240 cho t\u1ea5m\/cu\u1ed9n, A312 cho \u1ed1ng) v\u00e0 c\u00e1ch ghi y\u00eau c\u1ea7u ph\u1ee5 l\u1ee5c th\u1eed nghi\u1ec7m s\u1ebd gi\u00fap h\u1ed3 s\u01a1 r\u00f5 r\u00e0ng ngay t\u1eeb b\u01b0\u1edbc RFQ.<br \/>\n<!-- CLUSTER_PLACEHOLDER_1 --><\/p>\n<p>JIS ph\u1ed5 bi\u1ebfn trong chu\u1ed7i cung \u1ee9ng Nh\u1eadt v\u00e0 c\u00e1c nh\u00e0 m\u00e1y c\u00f3 n\u1ec1n t\u1ea3ng Kaizen. Ph\u00e2n bi\u1ec7t SUS304, SUS304L, SUS201 v\u00e0 ph\u1ea1m vi th\u00e0nh ph\u1ea7n \u2013 c\u01a1 t\u00ednh theo JIS s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh nh\u1ea7m l\u1eabn khi quy \u0111\u1ed5i t\u1eeb AISI\/ASTM sang JIS.<br \/>\n<!-- CLUSTER_PLACEHOLDER_2 --><\/p>\n<p>DIN l\u1ecbch s\u1eed v\u00e0 EN hi\u1ec7n h\u00e0nh trong EU c\u00f3 c\u00e1ch k\u00fd hi\u1ec7u nh\u01b0 1.4301 (304) hay 1.4404 (316L). S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed, b\u1ec1 m\u1eb7t v\u00e0 minh b\u1ea1ch MTC theo EN 10204 l\u00e0 nh\u1eefng \u0111i\u1ec3m \u0111\u00e1ng ch\u00fa \u00fd khi so v\u1edbi ASTM\/JIS.<br \/>\n<!-- CLUSTER_PLACEHOLDER_3 --><\/p>\n<p>GB (Trung Qu\u1ed1c) l\u00e0 ngu\u1ed3n tham chi\u1ebfu quan tr\u1ecdng khi mua inox nh\u1eadp kh\u1ea9u t\u1eeb Trung Qu\u1ed1c. N\u1eafm \u0111\u01b0\u1ee3c m\u00e3 GB\/T 3280 (t\u1ea5m\/cu\u1ed9n), GB\/T 14976\/14975 (\u1ed1ng) v\u00e0 l\u01b0u \u00fd khi ki\u1ec3m tra CO Form E gi\u00fap th\u00f4ng quan v\u00e0 nghi\u1ec7m thu tr\u00f4i ch\u1ea3y.<br \/>\n<!-- CLUSTER_PLACEHOLDER_4 --><\/p>\n<p>CO, CQ l\u00e0 \u201cc\u1eb7p b\u00e0i tr\u00f9ng\u201d trong h\u1ed3 s\u01a1 l\u00f4 h\u00e0ng. Bi\u1ebft c\u00e1ch \u0111\u1ecdc th\u00f4ng tin doanh nghi\u1ec7p, m\u00f4 t\u1ea3 h\u00e0ng h\u00f3a, ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng v\u00e0 \u0111\u1ed1i chi\u1ebfu s\u1ed1 Heat\/PO s\u1ebd gi\u1ea3m thi\u1ec3u r\u1ee7i ro ch\u1ee9ng t\u1eeb kh\u00f4ng h\u1ee3p l\u1ec7.<br \/>\n<!-- CLUSTER_PLACEHOLDER_5 --><\/p>\n<p>MTC \u0111\u00f3ng vai tr\u00f2 \u201cch\u1ee9ng minh th\u01b0\u201d c\u1ee7a t\u1eebng l\u00f4 th\u00e9p. Hi\u1ec3u EN 10204 (2.1\/2.2\/3.1\/3.2), c\u00e1ch \u0111\u1ed1i chi\u1ebfu Heat No., d\u1ea3i th\u00e0nh ph\u1ea7n v\u00e0 k\u1ebft qu\u1ea3 th\u1eed l\u00e0 b\u01b0\u1edbc then ch\u1ed1t \u0111\u1ec3 kh\u00f3a ch\u1eb7t truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<br \/>\n<!-- CLUSTER_PLACEHOLDER_6 --><\/p>\n<p>B\u1ea3ng quy \u0111\u1ed5i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng gi\u00fap giao ti\u1ebfp li\u00ean ti\u00eau chu\u1ea9n m\u1ea1ch l\u1ea1c. Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd t\u01b0\u01a1ng \u0111\u01b0\u01a1ng l\u00e0 g\u1ea7n \u0111\u00fang; c\u00e1c bi\u00ean th\u00e0nh ph\u1ea7n v\u00e0 th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 kh\u00e1c nhau theo t\u1eebng h\u1ec7.<br \/>\n<!-- CLUSTER_PLACEHOLDER_7 --><\/p>\n<p>Dung sai \u0111\u1ed9 d\u00e0y\/chi\u1ec1u r\u1ed9ng\/\u0111\u1ed9 ph\u1eb3ng quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp hi\u1ec7u su\u1ea5t c\u1eaft \u2013 ch\u1ea5n \u2013 h\u00e0n. N\u1eafm quy t\u1eafc dung sai theo ASTM A480, EN 10051\/10029 hay JIS t\u01b0\u01a1ng \u1ee9ng gi\u00fap \u0111\u1eb7t h\u00e0ng s\u00e1t nhu c\u1ea7u gia c\u00f4ng.<br \/>\n<!-- CLUSTER_PLACEHOLDER_8 --><\/p>\n<p>V\u1edbi \u1ed1ng c\u00f4ng nghi\u1ec7p, l\u1ef1a ch\u1ecdn \u0111\u00fang chu\u1ea9n (A312 cho d\u1ecbch v\u1ee5 \u00e1p l\u1ef1c, A270 cho vi sinh, A269 cho trao \u0111\u1ed5i nhi\u1ec7t) c\u00f9ng c\u1ea5p b\u1ec1 m\u1eb7t ID\/OD v\u00e0 th\u1eed NDT s\u1ebd quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd h\u1ec7 th\u1ed1ng.<br \/>\n<!-- CLUSTER_PLACEHOLDER_9 --><\/p>\n<p>\u1ee8ng d\u1ee5ng ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m \u0111\u00f2i h\u1ecfi kh\u00f4ng ch\u1ec9 m\u00e1c ph\u00f9 h\u1ee3p (th\u01b0\u1eddng 304\/316L) m\u00e0 c\u00f2n ch\u1ee9ng nh\u1eadn an to\u00e0n nh\u01b0 FDA, NSF v\u00e0 quy tr\u00ecnh ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111\u00e1p \u1ee9ng v\u1ec7 sinh CIP\/SIP.<br \/>\n<!-- CLUSTER_PLACEHOLDER_10 --><\/p>\n<h2 id=\"toc-4-ung-dung-thuc-te-va-khuyen-nghi-chuyen-gia\"><span class=\"ez-toc-section\" id=\"Ung_dung_thuc_te_va_khuyen_nghi_chuyen_gia\"><\/span>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb chuy\u00ean gia<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; T\u00ecnh hu\u1ed1ng 1 \u2013 D\u00e2y chuy\u1ec1n th\u1ef1c ph\u1ea9m: Y\u00eau c\u1ea7u t\u1ea5m 304\/316L b\u1ec1 m\u1eb7t 2B\/BA theo ASTM A240, \u1ed1ng vi sinh theo ASTM A270, MTC 3.1, ki\u1ec3m tra Ra b\u1ec1 m\u1eb7t, h\u00e0n orbit v\u00e0 passivation. B\u1ed9 h\u1ed3 s\u01a1 c\u1ea7n CO, CQ, MTC; t\u00f9y kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 y\u00eau c\u1ea7u th\u00eam x\u00e1c nh\u1eadn tu\u00e2n th\u1ee7 FDA\/NSF.<br \/>\n&#8211; T\u00ecnh hu\u1ed1ng 2 \u2013 K\u1ebft c\u1ea5u ngo\u00e0i tr\u1eddi ven bi\u1ec3n: \u01afu ti\u00ean 316\/316L (EN 1.4401\/1.4404), b\u1ec1 m\u1eb7t No.4 ho\u1eb7c bead blasted h\u1ea1n ch\u1ebf b\u00e1m mu\u1ed1i; n\u00eau r\u00f5 th\u1eed \u0103n m\u00f2n pitting n\u1ebfu c\u1ea7n.<br \/>\n&#8211; T\u00ecnh hu\u1ed1ng 3 \u2013 Gia c\u00f4ng x\u01b0\u1edfng c\u01a1 kh\u00ed: Khi c\u1eaft laser t\u1ea5m 1.5\u20136 mm, ch\u1ec9 \u0111\u1ecbnh dung sai theo ASTM A480\/EN 10051, ch\u1ecdn 2B cho b\u1ec1 m\u1eb7t \u1ed5n \u0111\u1ecbnh, ki\u1ec3m PMI nhanh ch\u1ed1ng nh\u1ea7m 201\/304.<\/p>\n<p>Best practices:<br \/>\n1) Ghi r\u00f5 h\u1ec7 ti\u00eau chu\u1ea9n + m\u00e1c + b\u1ec1 m\u1eb7t + dung sai + y\u00eau c\u1ea7u th\u1eed trong PO (v\u00ed d\u1ee5: ASTM A240 304L, 2B, theo dung sai A480 Class\u2026, MTC 3.1 EN 10204, PMI 100%).<br \/>\n2) Ki\u1ec3m tra ch\u00e9o Heat No. tr\u00ean v\u1eadt \u2013 tr\u00ean nh\u00e3n \u2013 tr\u00ean MTC; s\u1ed1 PO\/lot kh\u1edbp CQ; d\u1ea5u \u0111\u00f3ng m\u1ed9c v\u00e0 th\u00f4ng tin nh\u00e0 s\u1ea3n xu\u1ea5t tr\u00ean CO\/CQ.<br \/>\n3) Quy \u0111\u1ed5i m\u00e1c b\u1eb1ng b\u1ea3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u01b0ng lu\u00f4n \u0111\u1ed1i chi\u1ebfu d\u1ea3i th\u00e0nh ph\u1ea7n v\u00e0 th\u1eed nghi\u1ec7m c\u1ee7a h\u1ec7 ti\u00eau chu\u1ea9n \u0111\u00edch.<br \/>\n4) V\u1edbi \u1ed1ng, ch\u1ec9 r\u00f5 ti\u00eau chu\u1ea9n (A312\/A270\/A269), lo\u1ea1i (seamless\/welded), c\u1ea5p b\u1ec1 m\u1eb7t trong\/ngo\u00e0i, th\u1eed NDT (Eddy current\/Hydrotest) v\u00e0 pickling\/passivation.<\/p>\n<p>Sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh:<br \/>\n&#8211; D\u00f9ng nam ch\u00e2m \u0111\u1ec3 \u201ck\u1ebft lu\u1eadn\u201d 304 hay 201: \u0111\u00e2y kh\u00f4ng ph\u1ea3i ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh m\u00e1c tin c\u1eady. H\u00e3y d\u00f9ng PMI.<br \/>\n&#8211; G\u1ecdi t\u00ean m\u00e1c theo AISI nh\u01b0ng l\u1ea1i \u00e1p d\u1ee5ng dung sai\/th\u1eed nghi\u1ec7m c\u1ee7a ASTM\/EN m\u00e0 kh\u00f4ng ghi r\u00f5 chu\u1ea9n \u00e1p d\u1ee5ng.<br \/>\n&#8211; B\u1ecf qua b\u1ec1 m\u1eb7t v\u00e0 dung sai, d\u1eabn \u0111\u1ebfn kh\u00f3 gia c\u00f4ng ho\u1eb7c kh\u00f4ng \u0111\u1ea1t th\u1ea9m m\u1ef9\/\u0111\u1ed9 v\u1ec7 sinh y\u00eau c\u1ea7u.<br \/>\n&#8211; Ch\u1ea5p nh\u1eadn CQ n\u1ed9i b\u1ed9 m\u00e0 kh\u00f4ng c\u00f3 MTC 3.1 h\u1ee3p l\u1ec7 k\u00e8m Heat No.<br \/>\n&#8211; Nh\u1ea7m 304 v\u1edbi 304L\/316 v\u1edbi 316L khi m\u1ed1i h\u00e0n y\u00eau c\u1ea7u C th\u1ea5p \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n li\u00ean h\u1ea1t.<\/p>\n<h2 id=\"toc-5-ket-luan-va-buoc-tiep-theo\"><span class=\"ez-toc-section\" id=\"Ket_luan_va_buoc_tiep_theo\"><\/span>K\u1ebft lu\u1eadn v\u00e0 b\u01b0\u1edbc ti\u1ebfp theo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c v\u1eadt t\u01b0 inox hi\u1ec7u qu\u1ea3 b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c hi\u1ec3u \u0111\u00fang h\u1ec7 ti\u00eau chu\u1ea9n (ASTM\/JIS\/EN\/GB) v\u00e0 ki\u1ec3m so\u00e1t h\u1ed3 s\u01a1 ch\u1ea5t l\u01b0\u1ee3ng (CO\/CQ, MTC). H\u00e3y bi\u1ebfn b\u1ea3ng quy \u0111\u1ed5i m\u00e1c, dung sai s\u1ea3n ph\u1ea9m v\u00e0 checklist ch\u1ee9ng t\u1eeb th\u00e0nh \u201cb\u1ed9 c\u00f4ng c\u1ee5\u201d m\u1eb7c \u0111\u1ecbnh trong m\u1ecdi PO v\u00e0 nghi\u1ec7m thu. N\u1ebfu b\u1ea1n c\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c, t\u1ed1i \u01b0u b\u1ec1 m\u1eb7t\/dung sai cho quy tr\u00ecnh gia c\u00f4ng, ho\u1eb7c th\u1ea9m \u0111\u1ecbnh b\u1ed9 h\u1ed3 s\u01a1 ch\u1ea5t l\u01b0\u1ee3ng tr\u01b0\u1edbc khi ch\u1ed1t \u0111\u01a1n, h\u00e3y li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt \u2013 kinh doanh c\u1ee7a ch\u00fang t\u00f4i t\u1ea1i H\u00e0 N\u1ed9i \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 nhanh, k\u00e8m m\u1eabu MTC v\u00e0 gi\u1ea3i ph\u00e1p cung \u1ee9ng ph\u00f9 h\u1ee3p d\u1ef1 \u00e1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1eafm v\u1eefng ti\u00eau chu\u1ea9n inox v\u00e0 ch\u1ee9ng t\u1eeb CO\/CQ, MTC. H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c, ki\u1ec3m tra h\u1ed3 s\u01a1, dung sai v\u00e0 \u1ed1ng theo ASTM\/JIS\/EN \u0111\u1ec3 mua \u0111\u00fang, d\u00f9ng b\u1ec1n.<\/p>\n","protected":false},"author":7,"featured_media":1049,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2365","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\/2365","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=2365"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2365\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1049"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}