{"id":2368,"date":"2026-07-31T00:34:15","date_gmt":"2026-07-30T17:34:15","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/"},"modified":"2026-07-31T00:34:15","modified_gmt":"2026-07-30T17:34:15","slug":"tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/","title":{"rendered":"Ti\u00eau chu\u1ea9n JIS cho inox: so s\u00e1nh SUS201, SUS304, SUS316 ph\u1ed5 bi\u1ebfn"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2368&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0110\u00e1nh gi\u00e1&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Ti\u00eau chu\u1ea9n JIS cho inox: so s\u00e1nh SUS201, SUS304, SUS316 ph\u1ed5 bi\u1ebfn&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            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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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Tong_quan_nhanh_ve_he_thong_JIS_cho_inox\" >T\u1ed5ng quan nhanh v\u1ec1 h\u1ec7 th\u1ed1ng JIS cho 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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Cac_mac_JIS_pho_bien_tai_Viet_Nam_thanh_phan_co_tinh_ung_dung\" >C\u00e1c m\u00e1c JIS ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam: th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, \u1ee9ng d\u1ee5ng<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#SUS201_austenitic_thay_the_Ni_bang_MnN\" >SUS201 (austenitic, thay th\u1ebf Ni b\u1eb1ng Mn\/N)<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#SUS304_SUS304L_austenitic_%E2%80%9C18-8%E2%80%9D_thong_dung\" >SUS304 \/ SUS304L (austenitic \u201c18-8\u201d th\u00f4ng d\u1ee5ng)<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#SUS316_SUS316L_austenitic_co_Mo_chiu_clorua_tot_hon\" >SUS316 \/ SUS316L (austenitic c\u00f3 Mo, ch\u1ecbu clorua t\u1ed1t h\u01a1n)<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#SUS430_ferritic_kinh_te\" >SUS430 (ferritic, kinh t\u1ebf)<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Mot_so_mac_khac_thuong_gap\" >M\u1ed9t s\u1ed1 m\u00e1c kh\u00e1c th\u01b0\u1eddng g\u1eb7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#So_sanh_nhanh_201_%E2%80%93_304_%E2%80%93_316_%E2%80%93_430_theo_tieu_chi_ky_thuat\" >So s\u00e1nh nhanh 201 \u2013 304 \u2013 316 \u2013 430 theo ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt<\/a><\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Doi_chieu_JIS_%E2%80%93_ASTMAISI_%E2%80%93_UNS_tham_khao_nhanh\" >\u0110\u1ed1i chi\u1ebfu JIS \u2013 ASTM\/AISI \u2013 UNS (tham kh\u1ea3o nhanh)<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Huong_dan_chon_mac_theo_moi_truong_lam_viec\" >H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Cach_doc_tieu_chuan_JIS_tren_chung_chi_va_bao_bi\" >C\u00e1ch \u0111\u1ecdc ti\u00eau chu\u1ea9n JIS tr\u00ean ch\u1ee9ng ch\u1ec9 v\u00e0 bao b\u00ec<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Yeu_cau_be_mat_va_trang_thai_vat_lieu_theo_JIS\" >Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t v\u00e0 tr\u1ea1ng th\u00e1i v\u1eadt li\u1ec7u theo JIS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Luu_y_khi_gia_cong_va_han_theo_JIS\" >L\u01b0u \u00fd khi gia c\u00f4ng v\u00e0 h\u00e0n theo JIS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#FAQ_%E2%80%93_Cau_hoi_thuong_gap\" >FAQ \u2013 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Khi_nao_nen_dung_JIS_khi_nao_dung_ASTM\" >Khi n\u00e0o n\u00ean d\u00f9ng JIS, khi n\u00e0o d\u00f9ng ASTM?<\/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\/tieu-chuan-jis-cho-inox-so-sanh-sus201-sus304-sus316-pho-bien\/#Tai_lieu_tham_khao\" >T\u00e0i li\u1ec7u tham kh\u1ea3o<\/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-tong-quan-nhanh-ve-he-thong-jis-cho-inox\">T\u1ed5ng quan nhanh v\u1ec1 h\u1ec7 th\u1ed1ng JIS cho inox<\/a><\/li>\n<li><a href=\"#toc-1-cac-mac-jis-pho-bien-tai-viet-nam-thanh-phan-co-ti\">C\u00e1c m\u00e1c JIS ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam: th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, \u1ee9ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-2-so-sanh-nhanh-201-304-316-430-theo-tieu-chi-ky-thu\">So s\u00e1nh nhanh 201 \u2013 304 \u2013 316 \u2013 430 theo ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt<\/a><\/li>\n<li><a href=\"#toc-3-doi-chieu-jis-astmaisi-uns-tham-khao-nhanh\">\u0110\u1ed1i chi\u1ebfu JIS \u2013 ASTM\/AISI \u2013 UNS (tham kh\u1ea3o nhanh)<\/a><\/li>\n<li><a href=\"#toc-4-huong-dan-chon-mac-theo-moi-truong-lam-viec\">H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/a><\/li>\n<li><a href=\"#toc-5-cach-doc-tieu-chuan-jis-tren-chung-chi-va-bao-bi\">C\u00e1ch \u0111\u1ecdc ti\u00eau chu\u1ea9n JIS tr\u00ean ch\u1ee9ng ch\u1ec9 v\u00e0 bao b\u00ec<\/a><\/li>\n<li><a href=\"#toc-6-yeu-cau-be-mat-va-trang-thai-vat-lieu-theo-jis\">Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t v\u00e0 tr\u1ea1ng th\u00e1i v\u1eadt li\u1ec7u theo JIS<\/a><\/li>\n<li><a href=\"#toc-7-luu-y-khi-gia-cong-va-han-theo-jis\">L\u01b0u \u00fd khi gia c\u00f4ng v\u00e0 h\u00e0n theo JIS<\/a><\/li>\n<li><a href=\"#toc-8-faq-cau-hoi-thuong-gap\">FAQ \u2013 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-9-khi-nao-nen-dung-jis-khi-nao-dung-astm\">Khi n\u00e0o n\u00ean d\u00f9ng JIS, khi n\u00e0o d\u00f9ng ASTM?<\/a><\/li>\n<li><a href=\"#toc-10-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u, JIS (Japanese Industrial Standards) l\u00e0 \u201cng\u00f4n ng\u1eef\u201d ph\u1ed5 bi\u1ebfn khi mua b\u00e1n inox \u1edf Vi\u1ec7t Nam, song h\u00e0nh v\u1edbi ASTM\/ASME. B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung gi\u1ea3i th\u00edch chi ti\u1ebft ti\u00eau chu\u1ea9n JIS cho inox v\u00e0 c\u00e1c m\u00e1c SUS201, SUS304, SUS316\u2026 \u0111ang d\u00f9ng r\u1ed9ng r\u00e3i; k\u00e8m so s\u00e1nh k\u1ef9 thu\u1eadt, \u1ee9ng d\u1ee5ng, \u0111\u1ed1i chi\u1ebfu sang ASTM\/AISI v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ecdc ch\u1ee9ng ch\u1ec9. \u0110\u00e2y l\u00e0 m\u1ea3nh gh\u00e9p quan tr\u1ecdng trong b\u1ee9c tranh l\u1edbn v\u1ec1 ti\u00eau chu\u1ea9n \u2013 ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng inox (ASTM, JIS, CO\/CQ), nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u00e0i vi\u1ebft nh\u01b0 m\u1ed9t h\u01b0\u1edbng d\u1eabn \u0111\u1ed9c l\u1eadp khi c\u1ea7n quy\u1ebft \u0111\u1ecbnh ch\u1ecdn m\u00e1c v\u00e0 ti\u00eau chu\u1ea9n cho d\u1ef1 \u00e1n.<\/p>\n<h2 id=\"toc-0-tong-quan-nhanh-ve-he-thong-jis-cho-inox\"><span class=\"ez-toc-section\" id=\"Tong_quan_nhanh_ve_he_thong_JIS_cho_inox\"><\/span>T\u1ed5ng quan nhanh v\u1ec1 h\u1ec7 th\u1ed1ng JIS cho inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; T\u00ean g\u1ecdi: JIS (Japanese Industrial Standards) do JISC ban h\u00e0nh, \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf Nh\u1eadt v\u00e0 nhi\u1ec1u th\u1ecb tr\u01b0\u1eddng ch\u00e2u \u00c1.<br \/>\n&#8211; C\u00e1ch k\u00fd hi\u1ec7u m\u00e1c: \u201cSUS\u201d + s\u1ed1 (v\u00ed d\u1ee5 SUS304).<br \/>\n&#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m ch\u00ednh li\u00ean quan \u0111\u1ebfn inox:<br \/>\n  &#8211; JIS G4303: Th\u00e9p kh\u00f4ng g\u1ec9 d\u1ea1ng thanh (bars, wire rods).<br \/>\n  &#8211; JIS G4304: Th\u00e9p kh\u00f4ng g\u1ec9 t\u1ea5m, l\u00e1, d\u1ea3i c\u00e1n n\u00f3ng.<br \/>\n  &#8211; JIS G4305: Th\u00e9p kh\u00f4ng g\u1ec9 t\u1ea5m, l\u00e1, d\u1ea3i c\u00e1n ngu\u1ed9i.<br \/>\n  &#8211; JIS G3459: \u1ed0ng (pipes) th\u00e9p kh\u00f4ng g\u1ec9 d\u00f9ng cho \u0111\u01b0\u1eddng \u1ed1ng.<br \/>\n  &#8211; JIS G3448: \u1ed0ng inox th\u00e0nh m\u1ecfng d\u00f9ng cho c\u1ea5p n\u01b0\u1edbc.<br \/>\n  &#8211; JIS G3463: \u1ed0ng inox cho n\u1ed3i h\u01a1i v\u00e0 b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t.<br \/>\n  &#8211; (Ngo\u00e0i ra c\u00f2n c\u00f3 JIS G4313 cho d\u1ea3i l\u00f2 xo, JIS G4311 cho free-cutting steel, v.v.) [1][2]<br \/>\n&#8211; Nh\u00f3m t\u1ed5 ch\u1ee9c theo vi c\u1ea5u tr\u00fac:<br \/>\n  &#8211; Austenitic: SUS201, 301, 304\/304L, 316\/316L, 310S\u2026 (kh\u00f4ng t\u1eeb t\u00ednh sau \u1ee7, d\u1ec5 gia c\u00f4ng, ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t).<br \/>\n  &#8211; Ferritic: SUS409, 430, 439, 444\u2026 (t\u1eeb t\u00ednh, ch\u1ed1ng \u0103n m\u00f2n v\u1eeba, gi\u00e1 t\u1ed1t).<br \/>\n  &#8211; Martensitic: SUS410, 420J1\/420J2, 431\u2026 (c\u1ee9ng, ch\u1ecbu m\u00e0i m\u00f2n, d\u00f9ng cho dao c\u1ee5).<br \/>\n  &#8211; Duplex: SUS329J1 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 2205)\u2026 (ch\u1ecbu \u0103n m\u00f2n k\u1ebd h\u1edf v\u00e0 \u1ee9ng su\u1ea5t t\u1ed1t).<\/p>\n<h2 id=\"toc-1-cac-mac-jis-pho-bien-tai-viet-nam-thanh-phan-co-ti\"><span class=\"ez-toc-section\" id=\"Cac_mac_JIS_pho_bien_tai_Viet_Nam_thanh_phan_co_tinh_ung_dung\"><\/span>C\u00e1c m\u00e1c JIS ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam: th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, \u1ee9ng d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"SUS201_austenitic_thay_the_Ni_bang_MnN\"><\/span>SUS201 (austenitic, thay th\u1ebf Ni b\u1eb1ng Mn\/N)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n \u0111i\u1ec3n h\u00ecnh (wt%): Cr 16\u201318; Ni 3.5\u20135.5; Mn 5.5\u20137.5; C \u22640.15; N \u22640.25; Si \u22641; P \u22640.060; S \u22640.030.<br \/>\n&#8211; C\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u (d\u1ea1ng t\u1ea5m theo JIS\/nh\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec3n h\u00ecnh):<br \/>\n  &#8211; Gi\u1edbi h\u1ea1n ch\u1ea3y \u2265275 MPa; \u0110\u1ed9 b\u1ec1n k\u00e9o \u2265520 MPa; \u0110\u1ed9 gi\u00e3n d\u00e0i \u226535\u201340% (ph\u1ee5 thu\u1ed9c chi\u1ec1u d\u00e0y\/b\u1ec1 m\u1eb7t).<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; Ch\u1ed1ng \u0103n m\u00f2n k\u00e9m h\u01a1n 304, nh\u1ea1y c\u1ea3m m\u00f4i tr\u01b0\u1eddng clorua\/\u1ea9m m\u1eb7n.<br \/>\n  &#8211; D\u1ec5 gia c\u00f4ng ngu\u1ed9i, d\u1ec5 x\u01b0\u1edbc h\u01a1n 304. C\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9 sau gia c\u00f4ng.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: trang tr\u00ed n\u1ed9i th\u1ea5t, \u1ed1p ch\u1ec9, \u0111\u1ed3 gia d\u1ee5ng trong nh\u00e0 kh\u00f4, \u1ed1ng trang tr\u00ed m\u1ecfng, k\u1ec7 tr\u01b0ng b\u00e0y.<br \/>\n&#8211; T\u01b0\u01a1ng \u0111\u01b0\u01a1ng: AISI 201, UNS S20100, ASTM A240 Type 201. [3]<\/p>\n<h3><span class=\"ez-toc-section\" id=\"SUS304_SUS304L_austenitic_%E2%80%9C18-8%E2%80%9D_thong_dung\"><\/span>SUS304 \/ SUS304L (austenitic \u201c18-8\u201d th\u00f4ng d\u1ee5ng)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n \u0111i\u1ec3n h\u00ecnh:<br \/>\n  &#8211; SUS304: Cr 18.0\u201320.0; Ni 8.0\u201310.5; C \u22640.08; Mn \u22642.0; Si \u22641.0; P \u22640.045; S \u22640.030.<br \/>\n  &#8211; SUS304L: gi\u1ed1ng 304 nh\u01b0ng C \u22640.03 \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n li\u00ean h\u1ea1t t\u1ed1t h\u01a1n khi h\u00e0n.<br \/>\n&#8211; C\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u (t\u1ea5m c\u00e1n ngu\u1ed9i JIS G4305):<br \/>\n  &#8211; Gi\u1edbi h\u1ea1n ch\u1ea3y \u2265205 MPa; \u0110\u1ed9 b\u1ec1n k\u00e9o \u2265520 MPa; \u0110\u1ed9 gi\u00e3n d\u00e0i kho\u1ea3ng \u226540% (t\u00f9y chi\u1ec1u d\u00e0y).<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; C\u00e2n b\u1eb1ng gi\u1eefa ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 d\u1ebbo v\u00e0 h\u00e0n. Kh\u00f4ng t\u1eeb t\u00ednh sau \u1ee7 (c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9 sau c\u00e1n u\u1ed1n).<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: b\u1ed3n b\u1ec3 th\u1ef1c ph\u1ea9m, b\u00e0n gh\u1ebf inox, lan can, \u1ed1ng c\u00f4ng ngh\u1ec7 s\u1ea1ch nh\u1eb9, chi ti\u1ebft m\u00e1y, t\u1ee7 \u0111i\u1ec7n.<br \/>\n&#8211; T\u01b0\u01a1ng \u0111\u01b0\u01a1ng: AISI 304\/304L; UNS S30400\/S30403; ASTM A240 304\/304L. [1][4]<\/p>\n<h3><span class=\"ez-toc-section\" id=\"SUS316_SUS316L_austenitic_co_Mo_chiu_clorua_tot_hon\"><\/span>SUS316 \/ SUS316L (austenitic c\u00f3 Mo, ch\u1ecbu clorua t\u1ed1t h\u01a1n)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n \u0111i\u1ec3n h\u00ecnh: Cr 16\u201318; Ni 10\u201314; Mo 2.0\u20133.0; C \u22640.08 (316) ho\u1eb7c \u22640.03 (316L).<br \/>\n&#8211; C\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u (t\u1ea5m JIS G4305):<br \/>\n  &#8211; Gi\u1edbi h\u1ea1n ch\u1ea3y \u2265205 MPa; \u0110\u1ed9 b\u1ec1n k\u00e9o \u2265515 MPa; \u0110\u1ed9 gi\u00e3n d\u00e0i \u226540% (t\u00f9y chi\u1ec1u d\u00e0y).<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; Mo t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7\/pitting trong m\u00f4i tr\u01b0\u1eddng clorua v\u00e0 h\u00f3a ch\u1ea5t nh\u1eb9.<br \/>\n  &#8211; H\u00e0n t\u1ed1t; d\u00f9ng 316L khi h\u00e0n d\u00e0y ho\u1eb7c y\u00eau c\u1ea7u ch\u1ed1ng \u0103n m\u00f2n li\u00ean h\u1ea1t.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: khu v\u1ef1c ven bi\u1ec3n, x\u1eed l\u00fd n\u01b0\u1edbc, c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m \u2013 \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c, h\u00f3a ch\u1ea5t nh\u1eb9, thi\u1ebft b\u1ecb y t\u1ebf.<br \/>\n&#8211; T\u01b0\u01a1ng \u0111\u01b0\u01a1ng: AISI 316\/316L; UNS S31600\/S31603; ASTM A240 316\/316L. [1][4]<\/p>\n<h3><span class=\"ez-toc-section\" id=\"SUS430_ferritic_kinh_te\"><\/span>SUS430 (ferritic, kinh t\u1ebf)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n \u0111i\u1ec3n h\u00ecnh: Cr 16.0\u201318.0; C \u22640.12; Mn \u22641.0; Si \u22641.0; P \u22640.040; S \u22640.030.<br \/>\n&#8211; C\u01a1 t\u00ednh \u0111i\u1ec3n h\u00ecnh: Gi\u1edbi h\u1ea1n ch\u1ea3y \u2248205\u2013310 MPa; \u0110\u1ed9 b\u1ec1n k\u00e9o \u2265450 MPa; \u0110\u1ed9 gi\u00e3n d\u00e0i \u226522% (t\u00f9y chi\u1ec1u d\u00e0y\/b\u1ec1 m\u1eb7t).<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; T\u1eeb t\u00ednh; ch\u1ed1ng \u0103n m\u00f2n \u1edf m\u00f4i tr\u01b0\u1eddng kh\u00f4\/n\u1ed9i th\u1ea5t; k\u00e9m trong m\u00f4i tr\u01b0\u1eddng clorua.<br \/>\n  &#8211; \u0110\u1ed9 d\u1ebbo k\u00e9m 304; h\u00e0n \u0111\u01b0\u1ee3c nh\u01b0ng c\u1ea7n ki\u1ec3m so\u00e1t n\u1ee9t\/gi\u00f2n v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: m\u1eb7t t\u1ee7 l\u1ea1nh, trang tr\u00ed n\u1ed9i th\u1ea5t kh\u00f4, \u1ed1ng x\u1ea3 \u00f4 t\u00f4, chi ti\u1ebft y\u00eau c\u1ea7u t\u1eeb t\u00ednh.<br \/>\n&#8211; T\u01b0\u01a1ng \u0111\u01b0\u01a1ng: AISI 430; UNS S43000; ASTM A240 Type 430. [4]<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mot_so_mac_khac_thuong_gap\"><\/span>M\u1ed9t s\u1ed1 m\u00e1c kh\u00e1c th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; SUS301: \u0111\u1ed9 b\u1ec1n cao sau c\u00e1n ngu\u1ed9i, d\u00f9ng cho l\u00f2 xo l\u00e1, k\u1eb9p.<br \/>\n&#8211; SUS310S: ch\u1ecbu nhi\u1ec7t cao (Ni, Cr cao), d\u00f9ng cho l\u00f2 nung, \u1ed1ng kh\u00f3i.<br \/>\n&#8211; SUS409\/410\/420J2: nh\u00f3m ferit\/mactenxit, d\u00f9ng cho \u1ed1ng x\u1ea3, d\u1ee5ng c\u1ee5 c\u1eaft, tr\u1ee5c.<br \/>\n&#8211; SUS444\/439: ferit Mo\/Ti \u1ed5n \u0111\u1ecbnh, ch\u1ed1ng r\u1ed7 t\u1ed1t h\u01a1n 430, thay th\u1ebf 304 trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc m\u00e1y. [4]<\/p>\n<h2 id=\"toc-2-so-sanh-nhanh-201-304-316-430-theo-tieu-chi-ky-thu\"><span class=\"ez-toc-section\" id=\"So_sanh_nhanh_201_%E2%80%93_304_%E2%80%93_316_%E2%80%93_430_theo_tieu_chi_ky_thuat\"><\/span>So s\u00e1nh nhanh 201 \u2013 304 \u2013 316 \u2013 430 theo ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n (th\u1ea5p \u2192 cao): 430 < 201 < 304 < 316.  \n- M\u00f4i tr\u01b0\u1eddng clorua\/ven bi\u1ec3n: \u01b0u ti\u00ean 316\/316L; 304 b\u1ecb r\u1ed7 nhanh h\u01a1n; 201\/430 kh\u00f4ng khuy\u1ebfn ngh\u1ecb.  \n- T\u1eeb t\u00ednh: 430 t\u1eeb t\u00ednh m\u1ea1nh; 201\/304\/316 kh\u00f4ng t\u1eeb t\u00ednh sau \u1ee7 nh\u01b0ng c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9 sau gia c\u00f4ng ngu\u1ed9i.  \n- H\u00e0n: 304\/316 r\u1ea5t t\u1ed1t; ch\u1ecdn L-grade khi h\u00e0n d\u00e0y ho\u1eb7c c\u1ea7n ch\u1ed1ng li\u00ean h\u1ea1t. 201 h\u00e0n \u0111\u01b0\u1ee3c nh\u01b0ng ki\u1ec3m so\u00e1t n\u1ee9t n\u00f3ng do Mn\/N; 430 h\u00e0n \u0111\u01b0\u1ee3c nh\u01b0ng \u0111\u1ed9 d\u1ebbo v\u00f9ng HAZ k\u00e9m.  \n- Gia c\u00f4ng ngu\u1ed9i\/\u0111\u00e1nh b\u00f3ng: 304\/316 \u0111\u1eb9p, \u1ed5n \u0111\u1ecbnh; 201 d\u1ec5 x\u01b0\u1edbc h\u01a1n; 430 b\u00f3ng g\u01b0\u01a1ng \u0111\u01b0\u1ee3c nh\u01b0ng nh\u1ea1y \u0103n m\u00f2n \u0111i\u1ec3m h\u01a1n.  \n- Gi\u00e1: 201 th\u1ea5p nh\u1ea5t; 430 th\u01b0\u1eddng th\u1ea5p \u2013 trung; 304 trung; 316 cao nh\u1ea5t.\n\n\n\n<h2 id=\"toc-3-doi-chieu-jis-astmaisi-uns-tham-khao-nhanh\"><span class=\"ez-toc-section\" id=\"Doi_chieu_JIS_%E2%80%93_ASTMAISI_%E2%80%93_UNS_tham_khao_nhanh\"><\/span>\u0110\u1ed1i chi\u1ebfu JIS \u2013 ASTM\/AISI \u2013 UNS (tham kh\u1ea3o nhanh)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; SUS201 \u2248 AISI 201 \u2248 UNS S20100 \u2248 ASTM A240 Type 201.<br \/>\n&#8211; SUS304\/SUS304L \u2248 AISI 304\/304L \u2248 UNS S30400\/S30403 \u2248 ASTM A240 304\/304L.<br \/>\n&#8211; SUS316\/SUS316L \u2248 AISI 316\/316L \u2248 UNS S31600\/S31603 \u2248 ASTM A240 316\/316L.<br \/>\n&#8211; SUS430 \u2248 AISI 430 \u2248 UNS S43000 \u2248 ASTM A240 430.<br \/>\n&#8211; SUS329J1 \u2248 2205 \u2248 UNS S32205\/S31803 (duplex).<br \/>\nL\u01b0u \u00fd: \u0111\u1ed1i chi\u1ebfu l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ch\u1ee9c n\u0103ng; d\u1ea3i th\u00e0nh ph\u1ea7n\/t\u00ednh ch\u1ea5t c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 kh\u00e1c nh\u1eb9 gi\u1eefa ti\u00eau chu\u1ea9n.<\/p>\n<h2 id=\"toc-4-huong-dan-chon-mac-theo-moi-truong-lam-viec\"><span class=\"ez-toc-section\" id=\"Huong_dan_chon_mac_theo_moi_truong_lam_viec\"><\/span>H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; N\u1ed9i th\u1ea5t kh\u00f4, trang tr\u00ed trong nh\u00e0: 201\/430 (kinh t\u1ebf); 304 khi c\u1ea7n b\u1ec1n h\u01a1n.<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi n\u00f4ng th\u00f4n\/\u0111\u00f4 th\u1ecb kh\u00f4ng g\u1ea7n bi\u1ec3n: 304\/304L; x\u1eed l\u00fd b\u1ec1 m\u1eb7t t\u1ed1t (2B\/HL\/No.4 + passivation) s\u1ebd b\u1ec1n h\u01a1n.<br \/>\n&#8211; G\u1ea7n bi\u1ec3n, s\u01b0\u01a1ng mu\u1ed1i, x\u01b0\u1edfng r\u1eeda xe, h\u1ed3 b\u01a1i: 316\/316L; c\u00e2n nh\u1eafc t\u0103ng chi\u1ec1u d\u00e0y v\u00e0 thi\u1ebft k\u1ebf ch\u1ed1ng \u0111\u1ecdng mu\u1ed1i.<br \/>\n&#8211; Th\u1ef1c ph\u1ea9m \u2013 \u0111\u1ed3 u\u1ed1ng \u2013 d\u01b0\u1ee3c: t\u1ed1i thi\u1ec3u 304\/304L; 316\/316L cho m\u00f4i tr\u01b0\u1eddng m\u1eb7n\/chua ho\u1eb7c CIP.<br \/>\n&#8211; H\u00f3a ch\u1ea5t nh\u1eb9, n\u01b0\u1edbc bi\u1ec3n, n\u01b0\u1edbc mu\u1ed1i: 316\/316L; ki\u1ec3m tra kh\u1ea3 n\u0103ng pitting (PREN) n\u1ebfu y\u00eau c\u1ea7u kh\u1eaft khe.<br \/>\n&#8211; Dao c\u1ee5, chi ti\u1ebft ch\u1ecbu m\u00e0i m\u00f2n: 410\/420J2 (mactenxit), x\u1eed l\u00fd nhi\u1ec7t ph\u00f9 h\u1ee3p.<\/p>\n<p>C\u1ea3nh b\u00e1o: th\u1eed \u201cnam ch\u00e2m\u201d kh\u00f4ng ph\u1ea3i c\u00e1ch nh\u1eadn bi\u1ebft 304\/201\/316 \u0111\u00e1ng tin. Ki\u1ec3m tra b\u1eb1ng ch\u1ee9ng ch\u1ec9 (MTC\/CO-CQ), ph\u00e2n t\u00edch PMI ho\u1eb7c th\u1eed Mo spot test (ph\u00e2n bi\u1ec7t 316 c\u00f3 Mo) khi c\u1ea7n.<\/p>\n<h2 id=\"toc-5-cach-doc-tieu-chuan-jis-tren-chung-chi-va-bao-bi\"><span class=\"ez-toc-section\" id=\"Cach_doc_tieu_chuan_JIS_tren_chung_chi_va_bao_bi\"><\/span>C\u00e1ch \u0111\u1ecdc ti\u00eau chu\u1ea9n JIS tr\u00ean ch\u1ee9ng ch\u1ec9 v\u00e0 bao b\u00ec<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Tr\u00ean t\u1ea5m\/cu\u1ed9n (JIS G4304\/G4305) th\u01b0\u1eddng in: SUS304 (ho\u1eb7c SUS316L), ti\u00eau chu\u1ea9n G4305, chi\u1ec1u d\u00e0y x kh\u1ed5, b\u1ec1 m\u1eb7t (2B\/BA\/No.1\/No.4\/HL), s\u1ed1 \u201cheat\/lot\u201d, nh\u00e0 m\u00e1y.<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9 (Mill Test Certificate \u2013 MTC):<br \/>\n  &#8211; Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng: JIS G4304\/G4305 (t\u1ea5m), JIS G4303 (thanh), JIS G3459\/G3448 (\u1ed1ng)\u2026<br \/>\n  &#8211; Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc theo m\u00e1c (C, Si, Mn, P, S, Cr, Ni, Mo, N\u2026).<br \/>\n  &#8211; C\u01a1 t\u00ednh: Rp0.2 (ho\u1eb7c ReL), Rm, A% theo chi\u1ec1u d\u00e0y.<br \/>\n  &#8211; K\u1ebft qu\u1ea3 th\u1eed k\u00e9o, u\u1ed1n, \u0111\u1ed9 c\u1ee9ng; b\u1ec1 m\u1eb7t; xu\u1ea5t x\u1ee9; s\u1ed1 heat\/lot.<br \/>\n  &#8211; H\u00ecnh th\u1ee9c ch\u1ee9ng ch\u1ec9 th\u01b0\u1eddng theo EN 10204 3.1 \u1edf nhi\u1ec1u nh\u00e0 m\u00e1y l\u1edbn.<br \/>\n&#8211; V\u1edbi \u1ed1ng JIS G3459: ch\u1ee9ng ch\u1ec9 th\u1ec3 hi\u1ec7n k\u00edch c\u1ee1 danh ngh\u0129a, chi\u1ec1u d\u00e0y, ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o (h\u00e0n\/kh\u00f4ng h\u00e0n), th\u1eed \u00e1p, ki\u1ec3m tra NDT v\u00e0 gi\u1edbi h\u1ea1n c\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u.<br \/>\n&#8211; Ki\u1ec3m tra th\u1ef1c \u0111\u1ecba: \u0111\u1ed1i chi\u1ebfu s\u1ed1 heat tr\u00ean v\u1eadt li\u1ec7u v\u1edbi MTC; qu\u00e9t PMI t\u1ea1i ch\u1ed7 khi c\u00f4ng tr\u00ecnh \u0111\u00f2i h\u1ecfi truy xu\u1ea5t.<\/p>\n<h2 id=\"toc-6-yeu-cau-be-mat-va-trang-thai-vat-lieu-theo-jis\"><span class=\"ez-toc-section\" id=\"Yeu_cau_be_mat_va_trang_thai_vat_lieu_theo_JIS\"><\/span>Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t v\u00e0 tr\u1ea1ng th\u00e1i v\u1eadt li\u1ec7u theo JIS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; B\u1ec1 m\u1eb7t th\u00f4ng d\u1ee5ng:<br \/>\n  &#8211; No.1 (c\u00e1n n\u00f3ng t\u1ea9y g\u1ec9), 2B (c\u00e1n ngu\u1ed9i \u2013 th\u00f4ng d\u1ee5ng), BA (\u1ee7 s\u00e1ng \u2013 b\u00f3ng), No.4 (x\u01b0\u1edbc hairline m\u1ecbn), HL (hairline d\u00e0i).<br \/>\n&#8211; Tr\u1ea1ng th\u00e1i c\u01a1 t\u00ednh: \u1ee7 \u2013 \u1ee7 b\u00e3o h\u00f2a (annealed) cho gia c\u00f4ng\/h\u00e0n; c\u00e1n c\u1ee9ng (work-hardened) cho y\u00eau c\u1ea7u b\u1ec1n k\u00e9o cao (vd. SUS301 1\/2H, 3\/4H).<\/p>\n<h2 id=\"toc-7-luu-y-khi-gia-cong-va-han-theo-jis\"><span class=\"ez-toc-section\" id=\"Luu_y_khi_gia_cong_va_han_theo_JIS\"><\/span>L\u01b0u \u00fd khi gia c\u00f4ng v\u00e0 h\u00e0n theo JIS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00e0n: d\u00f9ng que\/kim lo\u1ea1i \u0111i\u1ec1n ph\u00f9 h\u1ee3p (v\u00ed d\u1ee5 308L cho 304\/304L, 316L-16 cho 316\/316L); v\u1ec7 sinh x\u1ec9, t\u1ea9y m\u1ed1i h\u00e0n, passivation \u0111\u1ec3 kh\u00f4i ph\u1ee5c m\u00e0ng th\u1ee5 \u0111\u1ed9ng.<br \/>\n&#8211; Gia c\u00f4ng ngu\u1ed9i: 201\/301 h\u00f3a b\u1ec1n nhanh \u2192 c\u1ea7n t\u00ednh \u0111\u1ebfn springback; 304\/316 \u1ed5n \u0111\u1ecbnh h\u01a1n.<br \/>\n&#8211; Ch\u1ed1ng \u0103n m\u00f2n sau ch\u1ebf t\u1ea1o: l\u00e0m s\u1ea1ch bavia, r\u1eeda mu\u1ed1i clorua, tr\u00e1nh khe h\u1edf \u0111\u1ecdng n\u01b0\u1edbc; ch\u1ecdn thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<\/p>\n<h2 id=\"toc-8-faq-cau-hoi-thuong-gap\"><span class=\"ez-toc-section\" id=\"FAQ_%E2%80%93_Cau_hoi_thuong_gap\"><\/span>FAQ \u2013 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; SUS201 c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c ngo\u00e0i tr\u1eddi kh\u00f4ng?<br \/>\n  &#8211; Kh\u00f4ng khuy\u1ebfn ngh\u1ecb trong m\u00f4i tr\u01b0\u1eddng \u1ea9m m\u1eb7n\/kh\u00ed th\u1ea3i SOx\/NOx; n\u1ebfu b\u1eaft bu\u1ed9c, n\u00ean \u1edf khu v\u1ef1c kh\u00f4, c\u00f3 m\u00e1i che v\u00e0 ch\u0103m s\u00f3c \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; 304L kh\u00e1c 304 nh\u01b0 th\u1ebf n\u00e0o?<br \/>\n  &#8211; H\u00e0m l\u01b0\u1ee3ng C th\u1ea5p h\u01a1n (\u22640.03) gi\u00fap ch\u1ed1ng \u0103n m\u00f2n li\u00ean h\u1ea1t sau h\u00e0n t\u1ea5m\/\u1ed1ng d\u00e0y. C\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<br \/>\n&#8211; 316 c\u00f3 c\u1ea7n thi\u1ebft cho n\u1ed9i th\u1ea5t ven bi\u1ec3n?<br \/>\n  &#8211; V\u1edbi ban c\u00f4ng\/lan can s\u00e1t bi\u1ec3n, 316\/316L gi\u00fap gi\u1ea3m r\u1ed7; k\u1ebft h\u1ee3p thi\u1ebft k\u1ebf t\u1ed1t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; Magnet test c\u00f3 ph\u00e2n bi\u1ec7t 304 v\u00e0 201?<br \/>\n  &#8211; Kh\u00f4ng \u0111\u00e1ng tin. C\u1ea3 201\/304 c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb sau gia c\u00f4ng; c\u1ea7n ch\u1ee9ng ch\u1ec9 ho\u1eb7c PMI.<\/p>\n<h2 id=\"toc-9-khi-nao-nen-dung-jis-khi-nao-dung-astm\"><span class=\"ez-toc-section\" id=\"Khi_nao_nen_dung_JIS_khi_nao_dung_ASTM\"><\/span>Khi n\u00e0o n\u00ean d\u00f9ng JIS, khi n\u00e0o d\u00f9ng ASTM?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Th\u1ecb tr\u01b0\u1eddng Nh\u1eadt\/chu\u1ed7i cung \u1ee9ng ch\u00e2u \u00c1 v\u00e0 s\u1ea3n ph\u1ea9m OEM theo JIS: ch\u1ecdn JIS (G4304\/G4305 cho t\u1ea5m; G3459 cho \u1ed1ng).<br \/>\n&#8211; D\u1ef1 \u00e1n ti\u00eau chu\u1ea9n M\u1ef9\/Ch\u00e2u \u00c2u ho\u1eb7c y\u00eau c\u1ea7u \u0111\u1ed3ng b\u1ed9 ASME\/EN: \u01b0u ti\u00ean ASTM\/EN.<br \/>\n&#8211; Th\u1ef1c t\u1ebf t\u1ea1i Vi\u1ec7t Nam, nh\u00e0 m\u00e1y th\u01b0\u1eddng cung c\u1ea5p song song m\u00e1c JIS v\u00e0 \u0111\u1ed1i chi\u1ebfu ASTM\/AISI tr\u00ean ch\u1ee9ng ch\u1ec9; b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t theo m\u1ed9t trong hai n\u1ebfu ph\u1ea1m vi dung sai\/c\u01a1 t\u00ednh t\u01b0\u01a1ng th\u00edch.<\/p>\n<h2 id=\"toc-10-tai-lieu-tham-khao\"><span class=\"ez-toc-section\" id=\"Tai_lieu_tham_khao\"><\/span>T\u00e0i li\u1ec7u tham kh\u1ea3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; [1] JIS G4304\/G4305 \u2013 Stainless steel plate, sheet and strip (Japanese Standards Association \u2013 JSA).<br \/>\n&#8211; [2] JIS G3459 \u2013 Stainless steel pipes for piping; JIS G3448 \u2013 Light gauge stainless steel pipes (JSA).<br \/>\n&#8211; [3] AK Steel (Cleveland-Cliffs) Stainless 201 Datasheet \u2013 th\u00e0nh ph\u1ea7n v\u00e0 c\u01a1 t\u00ednh \u0111i\u1ec3n h\u00ecnh c\u1ee7a Type 201.<br \/>\n&#8211; [4] Nippon Steel Stainless Steel Corporation (NSSC) v\u00e0 JFE Steel \u2013 Catalog s\u1ea3n ph\u1ea9m\/thu\u1ed9c t\u00ednh m\u00e1c SUS304\/316\/430; Outokumpu Datasheets 304\/316 (tham chi\u1ebfu c\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u t\u01b0\u01a1ng th\u00edch qu\u1ed1c t\u1ebf).<\/p>\n<p>K\u1ebft lu\u1eadn<br \/>\n&#8211; JIS quy \u0111\u1ecbnh ch\u1eb7t ch\u1ebd th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh v\u00e0 d\u1ea1ng s\u1ea3n ph\u1ea9m inox theo c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 G4303\/4304\/4305 (thanh, t\u1ea5m) v\u00e0 G3459\/G3448 (\u1ed1ng).<br \/>\n&#8211; SUS201, SUS304\/304L, SUS316\/316L, SUS430 l\u00e0 c\u00e1c m\u00e1c ph\u1ed5 bi\u1ebfn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam, m\u1ed7i m\u00e1c c\u00f3 \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang v\u1ec1 ch\u1ed1ng \u0103n m\u00f2n, gia c\u00f4ng, h\u00e0n v\u00e0 chi ph\u00ed.<br \/>\n&#8211; L\u1ef1a ch\u1ecdn m\u00e1c ph\u1ee5 thu\u1ed9c tr\u1ef1c ti\u1ebfp v\u00e0o m\u00f4i tr\u01b0\u1eddng (\u0111\u1eb7c bi\u1ec7t l\u00e0 clorua\/ven bi\u1ec3n), y\u00eau c\u1ea7u v\u1ec7 sinh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c gia c\u00f4ng \u2013 h\u00e0n.<br \/>\n&#8211; Lu\u00f4n y\u00eau c\u1ea7u v\u00e0 ki\u1ec3m tra ch\u1ee9ng ch\u1ec9 (MTC\/CO\/CQ) theo ti\u00eau chu\u1ea9n JIS t\u01b0\u01a1ng \u1ee9ng; khi c\u1ea7n, x\u00e1c nh\u1eadn b\u1eb1ng PMI.<br \/>\nC\u1ea7n t\u01b0 v\u1ea5n m\u00e1c v\u00e0 ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox Cuong Thinh \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 \u1ee9ng d\u1ee5ng h\u1ed7 tr\u1ee3 v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i th\u00edch chu\u1ea9n JIS cho inox, k\u00fd hi\u1ec7u SUS, th\u00e0nh ph\u1ea7n v\u00e0 c\u01a1 t\u00ednh. So s\u00e1nh SUS201-304-316-430, \u0111\u1ed1i chi\u1ebfu ASTM\/AISI, c\u00e1ch \u0111\u1ecdc JIS G4304\/G4305\/G3459 v\u00e0 ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"author":7,"featured_media":1020,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2368","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\/2368","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=2368"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2368\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1020"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}