{"id":2366,"date":"2026-07-30T12:33:24","date_gmt":"2026-07-30T05:33:24","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/tieu-chuan-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/"},"modified":"2026-07-30T12:33:24","modified_gmt":"2026-07-30T05:33:24","slug":"tieu-chuan-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/tieu-chuan-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/","title":{"rendered":"Ti\u00eau chu\u1ea9n ASTM c\u1ee7a M\u1ef9 cho th\u00e9p kh\u00f4ng g\u1ec9: m\u00e3, y\u00eau c\u1ea7u, \u1ee9ng d\u1ee5ng"},"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;2366&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 ASTM c\u1ee7a M\u1ef9 cho th\u00e9p kh\u00f4ng g\u1ec9: m\u00e3, y\u00eau c\u1ea7u, \u1ee9ng d\u1ee5ng&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 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19.2px;\">\n            <span 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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#ASTM_la_gi_va_cach_doc_ma_tieu_chuan_inox\" >ASTM l\u00e0 g\u00ec v\u00e0 c\u00e1ch \u0111\u1ecdc m\u00e3 ti\u00eau chu\u1ea9n 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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Nhung_tieu_chuan_ASTM_cot_loi_cho_inox_theo_dang_san_pham\" >Nh\u1eefng ti\u00eau chu\u1ea9n ASTM c\u1ed1t l\u00f5i cho inox theo d\u1ea1ng s\u1ea3n ph\u1ea9m<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#1_Tam_la_dai_flat-rolled\" >1) T\u1ea5m, l\u00e1, d\u1ea3i (flat-rolled)<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#2_Ong_thep_khong_gi_dung_cho_duong_ong_cong_nghe\" >2) \u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9 d\u00f9ng cho \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng ngh\u1ec7<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#3_Ong_ong_mong_dung_cho_muc_dich_dac_biet\" >3) \u1ed0ng, \u1ed1ng m\u1ecfng d\u00f9ng cho m\u1ee5c \u0111\u00edch \u0111\u1eb7c bi\u1ec7t<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#4_Thanh_tron_hinh_bars_and_shapes\" >4) Thanh, tr\u00f2n, h\u00ecnh (bars and shapes)<\/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\/tieu-chuan-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Thanh_phan_hoa_hoc_va_ky_hieu_mac_UNS\" >Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 k\u00fd hi\u1ec7u m\u00e1c (UNS)<\/a><\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Co_tinh_toi_thieu_dien_hinh_theo_ASTM\" >C\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u \u0111i\u1ec3n h\u00ecnh theo ASTM<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Dung_sai_kich_thuoc_va_trang_thai_be_mat\" >Dung sai k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Thu_nghiem_kiem_tra_va_chung_chi\" >Th\u1eed nghi\u1ec7m, ki\u1ec3m tra v\u00e0 ch\u1ee9ng ch\u1ec9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Cach_tu_kiem_%E2%80%9C3_buoc%E2%80%9D_voi_MTC_khi_nhan_hang\" >C\u00e1ch t\u1ef1 ki\u1ec3m \u201c3 b\u01b0\u1edbc\u201d v\u1edbi MTC khi nh\u1eadn h\u00e0ng<\/a><\/li><\/ul><\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#So_sanh_nhanh_ASTM_%E2%80%93_JIS_%E2%80%93_EN_dong_quy_nhung_khong_dong_nhat\" >So s\u00e1nh nhanh ASTM \u2013 JIS \u2013 EN (\u0111\u1ed3ng quy nh\u01b0ng kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t)<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Ap_dung_thuc_te_theo_linh_vuc\" >\u00c1p d\u1ee5ng th\u1ef1c t\u1ebf theo l\u0129nh v\u1ef1c<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Cach_ghi_dat_hang_dung_chuan_goi_y_mau\" >C\u00e1ch ghi \u0111\u1eb7t h\u00e0ng \u0111\u00fang chu\u1ea9n (g\u1ee3i \u00fd m\u1eabu)<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#Nham_lan_thuong_gap_va_cach_tranh\" >Nh\u1ea7m l\u1eabn th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/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-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#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-18\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-astm-cua-my-cho-thep-khong-gi-ma-yeu-cau-ung-dung\/#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-astm-la-gi-va-cach-doc-ma-tieu-chuan-inox\">ASTM l\u00e0 g\u00ec v\u00e0 c\u00e1ch \u0111\u1ecdc m\u00e3 ti\u00eau chu\u1ea9n inox<\/a><\/li>\n<li><a href=\"#toc-1-nhung-tieu-chuan-astm-cot-loi-cho-inox-theo-dang-s\">Nh\u1eefng ti\u00eau chu\u1ea9n ASTM c\u1ed1t l\u00f5i cho inox theo d\u1ea1ng s\u1ea3n ph\u1ea9m<\/a><\/li>\n<li><a href=\"#toc-2-thanh-phan-hoa-hoc-va-ky-hieu-mac-uns\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 k\u00fd hi\u1ec7u m\u00e1c (UNS)<\/a><\/li>\n<li><a href=\"#toc-3-co-tinh-toi-thieu-dien-hinh-theo-astm\">C\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u \u0111i\u1ec3n h\u00ecnh theo ASTM<\/a><\/li>\n<li><a href=\"#toc-4-dung-sai-kich-thuoc-va-trang-thai-be-mat\">Dung sai k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-5-thu-nghiem-kiem-tra-va-chung-chi\">Th\u1eed nghi\u1ec7m, ki\u1ec3m tra v\u00e0 ch\u1ee9ng ch\u1ec9<\/a><\/li>\n<li><a href=\"#toc-6-so-sanh-nhanh-astm-jis-en-dong-quy-nhung-khong-don\">So s\u00e1nh nhanh ASTM \u2013 JIS \u2013 EN (\u0111\u1ed3ng quy nh\u01b0ng kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t)<\/a><\/li>\n<li><a href=\"#toc-7-ap-dung-thuc-te-theo-linh-vuc\">\u00c1p d\u1ee5ng th\u1ef1c t\u1ebf theo l\u0129nh v\u1ef1c<\/a><\/li>\n<li><a href=\"#toc-8-cach-ghi-dat-hang-dung-chuan-goi-y-mau\">C\u00e1ch ghi \u0111\u1eb7t h\u00e0ng \u0111\u00fang chu\u1ea9n (g\u1ee3i \u00fd m\u1eabu)<\/a><\/li>\n<li><a href=\"#toc-9-nham-lan-thuong-gap-va-cach-tranh\">Nh\u1ea7m l\u1eabn th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-10-nguon-tham-khao-chinh\">Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li>\n<li><a href=\"#toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ti\u00eau chu\u1ea9n ASTM l\u00e0 khung k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 quy \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng inox trong thi\u1ebft k\u1ebf, mua s\u1eafm v\u00e0 thi c\u00f4ng tr\u00ean to\u00e0n c\u1ea7u. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p c\u1ed1t l\u00f5i ti\u00eau chu\u1ea9n ASTM c\u1ee7a M\u1ef9 cho th\u00e9p kh\u00f4ng g\u1ec9 (stainless steel), gi\u1ea3i th\u00edch m\u00e3 k\u00fd hi\u1ec7u, y\u00eau c\u1ea7u th\u00e0nh ph\u1ea7n \u2013 c\u01a1 t\u00ednh \u2013 dung sai \u2013 th\u1eed nghi\u1ec7m theo t\u1eebng s\u1ea3n ph\u1ea9m, c\u00e1ch \u0111\u1ecdc ch\u1ee9ng ch\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng (MTC\/CQ) v\u00e0 g\u1ee3i \u00fd \u00e1p d\u1ee5ng th\u1ef1c t\u1ebf t\u1ea1i Vi\u1ec7t Nam. Ch\u1ee7 \u0111\u1ec1 n\u00e0y c\u0169ng l\u00e0 m\u1ea3nh gh\u00e9p quan tr\u1ecdng trong h\u1ec7 ti\u00eau chu\u1ea9n \u2013 ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng inox (ASTM, JIS, CO\/CQ) m\u00e0 k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 th\u1ea7u c\u1ea7n n\u1eafm v\u1eefng.<\/p>\n<h2 id=\"toc-0-astm-la-gi-va-cach-doc-ma-tieu-chuan-inox\"><span class=\"ez-toc-section\" id=\"ASTM_la_gi_va_cach_doc_ma_tieu_chuan_inox\"><\/span>ASTM l\u00e0 g\u00ec v\u00e0 c\u00e1ch \u0111\u1ecdc m\u00e3 ti\u00eau chu\u1ea9n inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; ASTM International: T\u1ed5 ch\u1ee9c ti\u00eau chu\u1ea9n h\u00f3a l\u1edbn c\u1ee7a M\u1ef9, ban h\u00e0nh h\u00e0ng ngh\u00ecn ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u v\u00e0 th\u1eed nghi\u1ec7m.<br \/>\n&#8211; M\u00e3 k\u00fd hi\u1ec7u: Ch\u1eef c\u00e1i ch\u1ec9 nh\u00f3m v\u1eadt li\u1ec7u, s\u1ed1 l\u00e0 th\u1ee9 t\u1ef1 ti\u00eau chu\u1ea9n, h\u1eadu t\u1ed1 \u201cM\u201d l\u00e0 phi\u00ean b\u1ea3n \u0111\u01a1n v\u1ecb SI. V\u00ed d\u1ee5: ASTM A240\/A240M.<br \/>\n&#8211; V\u1edbi inox (thu\u1ed9c nh\u00f3m th\u00e9p, ferrous): M\u00e3 b\u1eaft \u0111\u1ea7u b\u1eb1ng \u201cA\u201d.<br \/>\n&#8211; ASME SA-xxx: B\u1ea3n ch\u1ea5p nh\u1eadn trong B\u1ed9 Quy t\u1eafc N\u1ed3i h\u01a1i v\u00e0 Thi\u1ebft b\u1ecb ch\u1ecbu \u00e1p l\u1ef1c ASME. SA-240 v\u1ec1 n\u1ed9i dung t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ASTM A240 v\u00e0 th\u01b0\u1eddng d\u00f9ng cho \u1ee9ng d\u1ee5ng \u00e1p l\u1ef1c.<\/p>\n<h2 id=\"toc-1-nhung-tieu-chuan-astm-cot-loi-cho-inox-theo-dang-s\"><span class=\"ez-toc-section\" id=\"Nhung_tieu_chuan_ASTM_cot_loi_cho_inox_theo_dang_san_pham\"><\/span>Nh\u1eefng ti\u00eau chu\u1ea9n ASTM c\u1ed1t l\u00f5i cho inox theo d\u1ea1ng s\u1ea3n ph\u1ea9m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Tam_la_dai_flat-rolled\"><\/span>1) T\u1ea5m, l\u00e1, d\u1ea3i (flat-rolled)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; ASTM A240\/A240M: T\u1ea5m, l\u00e1, d\u1ea3i inox ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n. Quy \u0111\u1ecbnh th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u, \u0111\u1ed9 c\u1ee9ng, k\u00fd hi\u1ec7u m\u00e1c theo UNS (v\u00ed d\u1ee5 304 = UNS S30400; 316L = S31603).<br \/>\n&#8211; ASTM A480\/A480M: Y\u00eau c\u1ea7u chung cho s\u1ea3n ph\u1ea9m d\u1eb9t inox (dung sai \u0111\u1ed9 d\u00e0y \u2013 r\u1ed9ng \u2013 ph\u1eb3ng, tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t No.1, 2B, BA, No.4, HL\u2026; c\u00e1ch ghi nh\u00e3n, \u0111\u00f3ng g\u00f3i).<\/p>\n<p>\u1ee8ng d\u1ee5ng: ch\u1ebf t\u1ea1o b\u1ed3n b\u1ec3, m\u00e1ng, v\u1ecf thi\u1ebft b\u1ecb, m\u1eb7t b\u00e0n, t\u1ea5m \u1ed1p c\u00f4ng tr\u00ecnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Ong_thep_khong_gi_dung_cho_duong_ong_cong_nghe\"><\/span>2) \u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9 d\u00f9ng cho \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng ngh\u1ec7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; ASTM A312\/A312M: \u1ed0ng inox austenitic h\u00e0n v\u00e0 kh\u00f4ng h\u00e0n cho d\u1ecbch v\u1ee5 t\u1ed5ng qu\u00e1t, bao g\u1ed3m nhi\u1ec1u c\u1ea5p TP304\/304L, TP316\/316L\u2026 Y\u00eau c\u1ea7u th\u1eed \u00e1p ho\u1eb7c NDT theo ASTM A999 (y\u00eau c\u1ea7u chung cho \u1ed1ng h\u1ee3p kim\/inox), ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 th\u1eb3ng, khuy\u1ebft t\u1eadt \u0111\u01b0\u1eddng h\u00e0n.<br \/>\n&#8211; ASTM A999\/A999M: Quy \u0111\u1ecbnh chung cho \u1ed1ng (\u0111\u00e1nh d\u1ea5u, ki\u1ec3m tra, sai s\u1ed1 k\u00edch th\u01b0\u1edbc, chi\u1ec1u d\u00e0i \u0111\u1eb7t h\u00e0ng).<\/p>\n<p>\u1ee8ng d\u1ee5ng: \u0111\u01b0\u1eddng \u1ed1ng h\u00f3a ch\u1ea5t, th\u1ef1c ph\u1ea9m \u2013 \u0111\u1ed3 u\u1ed1ng, n\u01b0\u1edbc tinh khi\u1ebft, HVAC, PCCC.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Ong_ong_mong_dung_cho_muc_dich_dac_biet\"><\/span>3) \u1ed0ng, \u1ed1ng m\u1ecfng d\u00f9ng cho m\u1ee5c \u0111\u00edch \u0111\u1eb7c bi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; ASTM A269: \u1ed0ng inox austenitic (h\u00e0n\/kh\u00f4ng h\u00e0n) cho d\u1ecbch v\u1ee5 chung, y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t b\u00ean trong t\u1ed1t, th\u01b0\u1eddng d\u00f9ng cho d\u1ee5ng c\u1ee5, \u1ed1ng d\u1eabn nh\u1ecf.<br \/>\n&#8211; ASTM A270: \u1ed0ng inox v\u1ec7 sinh \u2013 vi sinh (sanitary tubing) cho ng\u00e0nh s\u1eefa, \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c. C\u00f3 y\u00eau c\u1ea7u ch\u1eb7t h\u01a1n v\u1ec1 b\u1ec1 m\u1eb7t trong\/ngo\u00e0i, l\u00e0m s\u1ea1ch v\u00e0 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t theo c\u1ea5p.<br \/>\n&#8211; ASTM A213\/A213M: \u1ed0ng trao \u0111\u1ed5i nhi\u1ec7t, n\u1ed3i h\u01a1i, superheater (th\u01b0\u1eddng l\u00e0 \u1ed1ng kh\u00f4ng h\u00e0n, ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng kim lo\u1ea1i ch\u1eb7t ch\u1ebd).<br \/>\n&#8211; ASTM A554: \u1ed0ng c\u01a1 kh\u00ed inox h\u00e0n cho m\u1ee5c \u0111\u00edch c\u01a1 kh\u00ed\/trang tr\u00ed (mechanical tubing), \u0111a d\u1ea1ng b\u1ec1 m\u1eb7t (polish, HL\u2026). Kh\u00f4ng d\u00e0nh cho \u00e1p l\u1ef1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Thanh_tron_hinh_bars_and_shapes\"><\/span>4) Thanh, tr\u00f2n, h\u00ecnh (bars and shapes)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; ASTM A276: Thanh inox c\u00e1n n\u00f3ng\/l\u1ea1nh, d\u1ea1ng tr\u00f2n, vu\u00f4ng, l\u1ee5c gi\u00e1c, d\u1eb9t\u2026 d\u00f9ng cho gia c\u00f4ng c\u01a1 kh\u00ed n\u00f3i chung.<br \/>\n&#8211; ASTM A479\/A479M: Thanh v\u00e0 h\u00ecnh d\u00f9ng cho d\u1ecbch v\u1ee5 \u00e1p l\u1ef1c v\u00e0 \u1ee9ng d\u1ee5ng c\u01a1 kh\u00ed \u0111\u1eb7c bi\u1ec7t (v\u00ed d\u1ee5 chi ti\u1ebft l\u1eafp trong thi\u1ebft b\u1ecb \u00e1p l\u1ef1c).<br \/>\n&#8211; ASTM A582: Thanh inox free-machining (d\u1ec5 gia c\u00f4ng c\u1eaft g\u1ecdt).<\/p>\n<h2 id=\"toc-2-thanh-phan-hoa-hoc-va-ky-hieu-mac-uns\"><span class=\"ez-toc-section\" id=\"Thanh_phan_hoa_hoc_va_ky_hieu_mac_UNS\"><\/span>Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 k\u00fd hi\u1ec7u m\u00e1c (UNS)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 304 (UNS S30400): kho\u1ea3ng 18\u201320% Cr, 8\u201310.5% Ni, C \u2264 0.08%.<br \/>\n&#8211; 304L (S30403): gi\u1ed1ng 304 nh\u01b0ng C \u2264 0.03% \u0111\u1ec3 h\u1ea1n ch\u1ebf \u0103n m\u00f2n k\u1ebd h\u1ea1t khi h\u00e0n.<br \/>\n&#8211; 316 (S31600): kho\u1ea3ng 16\u201318% Cr, 10\u201314% Ni, 2\u20133% Mo t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7\/pitting (Cl\u2212).<br \/>\n&#8211; 316L (S31603): phi\u00ean b\u1ea3n C th\u1ea5p c\u1ee7a 316 (C \u2264 0.03%).<br \/>\n&#8211; 321 (S32100): \u1ed5n \u0111\u1ecbnh h\u00f3a b\u1eb1ng Ti \u0111\u1ec3 kh\u00e1ng nh\u1ea1y c\u1ea3m \u0103n m\u00f2n k\u1ebd h\u1ea1t \u1edf nhi\u1ec7t \u0111\u1ed9 h\u00e0n.<br \/>\n&#8211; 904L (N08904): si\u00eau austenitic, Ni cao v\u00e0 Mo, ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng axit.<\/p>\n<p>L\u01b0u \u00fd: Th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c theo t\u1eebng ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m (v\u00ed d\u1ee5 A240 cho t\u1ea5m, A312 cho \u1ed1ng) v\u00e0 b\u1ea3ng h\u00f3a h\u1ecdc k\u00e8m theo ti\u00eau chu\u1ea9n. Khi \u0111\u1ed1i chi\u1ebfu, s\u1eed d\u1ee5ng b\u1ea3ng trong ch\u00ednh ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng cho s\u1ea3n ph\u1ea9m b\u1ea1n mua.<\/p>\n<h2 id=\"toc-3-co-tinh-toi-thieu-dien-hinh-theo-astm\"><span class=\"ez-toc-section\" id=\"Co_tinh_toi_thieu_dien_hinh_theo_ASTM\"><\/span>C\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u \u0111i\u1ec3n h\u00ecnh theo ASTM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>V\u1edbi inox austenitic 304\/316 d\u1ea1ng t\u1ea5m theo A240 v\u00e0 \u1ed1ng theo A312, tr\u1ecb s\u1ed1 t\u1ed1i thi\u1ec3u th\u01b0\u1eddng g\u1eb7p:<br \/>\n&#8211; \u0110\u1ed9 b\u1ec1n k\u00e9o (UTS): \u2265 515 MPa<br \/>\n&#8211; Gi\u1edbi h\u1ea1n ch\u1ea3y 0.2% (YS): \u2265 205 MPa<br \/>\n&#8211; \u0110\u1ed9 gi\u00e3n d\u00e0i: \u2265 40% (tr\u00ean chi\u1ec1u d\u00e0i \u0111o quy \u0111\u1ecbnh)<br \/>\n&#8211; \u0110\u1ed9 c\u1ee9ng: gi\u1edbi h\u1ea1n theo tr\u1ea1ng th\u00e1i \u1ee7 (annealed) trong ti\u00eau chu\u1ea9n<\/p>\n<p>C\u00e1c m\u00e1c ferritic\/martensitic c\u00f3 tr\u1ecb s\u1ed1 kh\u00e1c. Lu\u00f4n ki\u1ec3m tra m\u1ee5c \u201cMechanical Properties\u201d c\u1ee7a ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ea3n ph\u1ea9m.<\/p>\n<h2 id=\"toc-4-dung-sai-kich-thuoc-va-trang-thai-be-mat\"><span class=\"ez-toc-section\" id=\"Dung_sai_kich_thuoc_va_trang_thai_be_mat\"><\/span>Dung sai k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; S\u1ea3n ph\u1ea9m d\u1eb9t: Tham chi\u1ebfu A480 v\u1ec1 dung sai \u0111\u1ed9 d\u00e0y, chi\u1ec1u r\u1ed9ng, \u0111\u1ed9 ph\u1eb3ng; b\u1ec1 m\u1eb7t No.1 (c\u00e1n n\u00f3ng \u1ee7), 2B (c\u00e1n ngu\u1ed9i \u1ee7, b\u1ec1 m\u1eb7t m\u1edd), BA (\u1ee7 b\u00f3ng g\u01b0\u01a1ng), No.4\/HL (ch\u1ea3i x\u01b0\u1edbc).<br \/>\n&#8211; \u1ed0ng c\u00f4ng ngh\u1ec7: Theo A312\/A999 v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh ng\u1ed3i, \u0111\u1ed9 d\u00e0y th\u00e0nh, \u0111\u1ed9 \u00f4van; \u0111\u00e1nh d\u1ea5u tr\u00ean th\u00e2n \u1ed1ng bao g\u1ed3m t\u00ean nh\u00e0 SX, ASTM A312\/SA-312, m\u00e1c TP304\/TP316L, k\u00edch th\u01b0\u1edbc, heat number.<br \/>\n&#8211; \u1ed0ng c\u01a1 kh\u00ed\/trang tr\u00ed: A554 quy \u0111\u1ecbnh b\u1ec1 m\u1eb7t \u0111\u00e1nh b\u00f3ng v\u00e0 \u0111\u1ed9 sai l\u1ec7ch h\u00ecnh h\u1ecdc kh\u1eaft khe cho m\u1ee5c \u0111\u00edch th\u1ea9m m\u1ef9.<\/p>\n<h2 id=\"toc-5-thu-nghiem-kiem-tra-va-chung-chi\"><span class=\"ez-toc-section\" id=\"Thu_nghiem_kiem_tra_va_chung_chi\"><\/span>Th\u1eed nghi\u1ec7m, ki\u1ec3m tra v\u00e0 ch\u1ee9ng ch\u1ec9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y\/hydro: \u1ed0ng theo A312 y\u00eau c\u1ea7u th\u1ee7y l\u1ef1c ho\u1eb7c NDT (d\u00f2ng xo\u00e1y, t\u1eeb c\u1ea3m \u1ee9ng) theo A999.<br \/>\n&#8211; Th\u1eed \u0103n m\u00f2n k\u1ebd h\u1ea1t: C\u00f3 th\u1ec3 y\u00eau c\u1ea7u b\u1ed5 sung theo ASTM A262 cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m.<br \/>\n&#8211; Th\u1eed c\u01a1 l\u00fd: K\u00e9o, u\u1ed1n, ph\u1eb3ng, \u0111\u1ed9 c\u1ee9ng theo ti\u00eau chu\u1ea9n g\u1ed1c; ph\u01b0\u01a1ng ph\u00e1p \u0111o h\u1ea1t, \u0111\u1ed9 c\u1ee9ng theo ASTM E112, E18\u2026 (khi \u0111\u01b0\u1ee3c vi\u1ec7n d\u1eabn).<br \/>\n&#8211; L\u00e0m s\u1ea1ch \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a: Th\u01b0\u1eddng \u00e1p d\u1ee5ng cho \u1ed1ng c\u00f4ng ngh\u1ec7 (pickled and passivated) n\u1ebfu \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong h\u1ee3p \u0111\u1ed3ng.<\/p>\n<p>Ch\u1ee9ng ch\u1ec9 MTC\/CQ ti\u00eau bi\u1ec3u ch\u1ee9a:<br \/>\n&#8211; T\u00ean ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng (v\u00ed d\u1ee5: ASTM A312\/A312M), m\u00e1c (TP316L), tr\u1ea1ng th\u00e1i (solution annealed), c\u1ee1, l\u00f4\/heat number.<br \/>\n&#8211; Ph\u00e2n t\u00edch h\u00f3a h\u1ecdc t\u1eebng nguy\u00ean t\u1ed1 ch\u00ednh, v\u1ebft S\/P\/C.<br \/>\n&#8211; C\u01a1 t\u00ednh: UTS, YS, gi\u00e3n d\u00e0i, \u0111\u1ed9 c\u1ee9ng.<br \/>\n&#8211; K\u1ebft qu\u1ea3 th\u1eed NDT\/hydro, quan s\u00e1t b\u1ec1 m\u1eb7t\/h\u00e0n (n\u1ebfu c\u00f3).<br \/>\n&#8211; D\u1ea5u x\u00e1c nh\u1eadn QA\/QC c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cach_tu_kiem_%E2%80%9C3_buoc%E2%80%9D_voi_MTC_khi_nhan_hang\"><\/span>C\u00e1ch t\u1ef1 ki\u1ec3m \u201c3 b\u01b0\u1edbc\u201d v\u1edbi MTC khi nh\u1eadn h\u00e0ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1) \u0110\u1ed1i chi\u1ebfu m\u00e3 ti\u00eau chu\u1ea9n \u2013 m\u00e1c \u2013 k\u00edch th\u01b0\u1edbc: Kh\u1edbp v\u1edbi PO v\u00e0 \u0111\u00f3ng d\u1ea5u tr\u00ean s\u1ea3n ph\u1ea9m (A312 vs SA-312 v\u1eabn ch\u1ea5p nh\u1eadn).<br \/>\n2) So s\u00e1nh b\u1ea3ng h\u00f3a h\u1ecdc \u2013 c\u01a1 t\u00ednh: N\u1eb1m trong d\u1ea3i y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng.<br \/>\n3) Gh\u00e9p heat number: Tr\u00ean MTC ph\u1ea3i tr\u00f9ng v\u1edbi \u0111\u00f3ng d\u1ea5u\/tem tr\u00ean t\u1eebng b\u00f3\/t\u1ea5m\/\u1ed1ng. N\u1ebfu c\u1ea7n, d\u00f9ng XRF \u0111\u1ec3 so nhanh th\u00e0nh ph\u1ea7n t\u1ea1i ch\u1ed7.<\/p>\n<h2 id=\"toc-6-so-sanh-nhanh-astm-jis-en-dong-quy-nhung-khong-don\"><span class=\"ez-toc-section\" id=\"So_sanh_nhanh_ASTM_%E2%80%93_JIS_%E2%80%93_EN_dong_quy_nhung_khong_dong_nhat\"><\/span>So s\u00e1nh nhanh ASTM \u2013 JIS \u2013 EN (\u0111\u1ed3ng quy nh\u01b0ng kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 304 \u2248 JIS SUS304 \u2248 EN 1.4301; 304L \u2248 SUS304L \u2248 1.4307; 316 \u2248 SUS316 \u2248 1.4401; 316L \u2248 SUS316L \u2248 1.4404.<br \/>\n&#8211; C\u1ea3nh b\u00e1o: D\u00f9 ho\u00e1 h\u1ecdc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, c\u01a1 t\u00ednh, dung sai, th\u1eed nghi\u1ec7m v\u00e0 tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 kh\u00e1c gi\u1eefa ti\u00eau chu\u1ea9n. Thi\u1ebft k\u1ebf v\u00e0 mua h\u00e0ng n\u00ean tu\u00e2n th\u1ee7 duy nh\u1ea5t m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u1ec3 tr\u00e1nh xung \u0111\u1ed9t.<\/p>\n<h2 id=\"toc-7-ap-dung-thuc-te-theo-linh-vuc\"><span class=\"ez-toc-section\" id=\"Ap_dung_thuc_te_theo_linh_vuc\"><\/span>\u00c1p d\u1ee5ng th\u1ef1c t\u1ebf theo l\u0129nh v\u1ef1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u0110\u01b0\u1eddng \u1ed1ng c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng: A270 (sanitary) ho\u1eb7c A312 pickled &#038; passivated; \u01b0u ti\u00ean 316L n\u1ebfu c\u00f3 Cl\u2212.<br \/>\n&#8211; H\u1ec7 th\u1ed1ng n\u01b0\u1edbc bi\u1ec3n\/n\u01b0\u1edbc mu\u1ed1i lo\u00e3ng: A312 TP316L, ch\u1ecdn schedule ph\u00f9 h\u1ee3p (10S\/40S\u2026) theo \u00e1p su\u1ea5t \u2013 \u0103n m\u00f2n; s\u1eed d\u1ee5ng fitting theo ASTM A403 WP316L.<br \/>\n&#8211; K\u1ebft c\u1ea5u\/trang tr\u00ed: A554 cho \u1ed1ng c\u01a1 kh\u00ed; n\u1ebfu ngo\u00e0i tr\u1eddi ven bi\u1ec3n, c\u00e2n nh\u1eafc 316\/316L v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t ph\u00f9 h\u1ee3p.<br \/>\n&#8211; Trao \u0111\u1ed5i nhi\u1ec7t: A213 cho \u1ed1ng trao \u0111\u1ed5i nhi\u1ec7t; ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u1ea1ch v\u00e0 ki\u1ec3m tra r\u00f2 r\u1ec9 k\u1ef9.<\/p>\n<h2 id=\"toc-8-cach-ghi-dat-hang-dung-chuan-goi-y-mau\"><span class=\"ez-toc-section\" id=\"Cach_ghi_dat_hang_dung_chuan_goi_y_mau\"><\/span>C\u00e1ch ghi \u0111\u1eb7t h\u00e0ng \u0111\u00fang chu\u1ea9n (g\u1ee3i \u00fd m\u1eabu)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; T\u1ea5m: \u201cASTM A240\/A240M, Grade 316L (UNS S31603), 3.0 \u00d7 1500 \u00d7 6000 mm, Finish 2B, theo A480, y\u00eau c\u1ea7u MTC 3.1, pickled &#038; passivated (n\u1ebfu c\u1ea7n).\u201d<br \/>\n&#8211; \u1ed0ng c\u00f4ng ngh\u1ec7: \u201cASTM A312\/A312M, TP304L, 2&#8243; \u00d7 Sch 10S, random length, pickled &#038; passivated, th\u1eed NDT theo A999, MTC 3.1.\u201d<br \/>\n&#8211; \u1ed0ng vi sinh: \u201cASTM A270, Grade 316L, OD \u00d7 WT theo b\u1ea3n v\u1ebd, b\u1ec1 m\u1eb7t trong\/ngo\u00e0i \u0111\u1ea1t c\u1ea5p Ra \u0111\u1eb7t h\u00e0ng, \u0111\u00f3ng g\u00f3i s\u1ea1ch, MTC k\u00e8m ki\u1ec3m tra v\u1ec7 sinh.\u201d<\/p>\n<h2 id=\"toc-9-nham-lan-thuong-gap-va-cach-tranh\"><span class=\"ez-toc-section\" id=\"Nham_lan_thuong_gap_va_cach_tranh\"><\/span>Nh\u1ea7m l\u1eabn th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u00f9ng A554 cho \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c: Sai ti\u00eau chu\u1ea9n. A554 l\u00e0 \u1ed1ng c\u01a1 kh\u00ed\/trang tr\u00ed, kh\u00f4ng thay th\u1ebf A312.<br \/>\n&#8211; Tr\u1ed9n l\u1eabn A269 v\u00e0 A213 cho \u1ed1ng trao \u0111\u1ed5i nhi\u1ec7t: Kh\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt. Ch\u1ecdn \u0111\u00fang ti\u00eau chu\u1ea9n m\u1ee5c \u0111\u00edch.<br \/>\n&#8211; Ch\u1ec9 d\u1ef1a v\u00e0o nam ch\u00e2m \u0111\u1ec3 ph\u00e2n bi\u1ec7t 304\/316: Kh\u00f4ng \u0111\u1ee7 tin c\u1eady (austenitic c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb sau bi\u1ebfn d\u1ea1ng ngu\u1ed9i); n\u00ean ki\u1ec3m tra MTC\/XRF.<br \/>\n&#8211; Kh\u00f4ng y\u00eau c\u1ea7u tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t\/dung sai: D\u1eabn \u0111\u1ebfn nh\u1eadn h\u00e0ng kh\u00f4ng ph\u00f9 h\u1ee3p th\u1ea9m m\u1ef9 ho\u1eb7c kh\u00f3 gia c\u00f4ng. H\u00e3y ch\u1ec9 r\u00f5 theo A480\/A554.<\/p>\n<h2 id=\"toc-10-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\/A240M \u2013 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications (astm.org)<br \/>\n&#8211; ASTM A480\/A480M \u2013 Standard Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip (astm.org)<br \/>\n&#8211; ASTM A312\/A312M \u2013 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes (astm.org)<br \/>\n&#8211; ASTM A999\/A999M \u2013 Standard Specification for General Requirements for Alloy and Stainless Steel Pipe (astm.org)<br \/>\n&#8211; ASTM A269 \u2013 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service (astm.org)<br \/>\n&#8211; ASTM A270 \u2013 Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing (astm.org)<br \/>\n&#8211; ASTM A213\/A213M \u2013 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes (astm.org)<br \/>\n&#8211; ASTM A554 \u2013 Standard Specification for Welded Stainless Steel Mechanical Tubing (astm.org)<br \/>\n&#8211; ASTM A276; ASTM A479\/A479M; ASTM A262 (Intergranular Corrosion Testing) (astm.org)<\/p>\n<h2 id=\"toc-11-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>Ti\u00eau chu\u1ea9n ASTM cung c\u1ea5p b\u1ed9 khung \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u00fang m\u00e1c inox, y\u00eau c\u1ea7u th\u00e0nh ph\u1ea7n \u2013 c\u01a1 t\u00ednh, dung sai, th\u1eed nghi\u1ec7m v\u00e0 ch\u1ee9ng ch\u1ec9 theo t\u1eebng d\u1ea1ng s\u1ea3n ph\u1ea9m. V\u1edbi t\u1ea5m\/ l\u00e1 d\u00f9ng A240 k\u00e8m A480; \u1ed1ng c\u00f4ng ngh\u1ec7 d\u00f9ng A312 k\u00e8m A999; \u1ed1ng vi sinh d\u00f9ng A270; \u1ed1ng c\u01a1 kh\u00ed d\u00f9ng A554; thanh tr\u00f2n \u2013 h\u00ecnh d\u00f9ng A276\/A479. H\u00e3y:<br \/>\n&#8211; Ch\u1ecdn \u0111\u00fang ti\u00eau chu\u1ea9n theo m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng.<br \/>\n&#8211; Ghi \u0111\u1eb7t h\u00e0ng r\u00f5 r\u00e0ng (m\u00e1c\/UNS, k\u00edch th\u01b0\u1edbc, b\u1ec1 m\u1eb7t, th\u1eed nghi\u1ec7m, MTC).<br \/>\n&#8211; Ki\u1ec3m tra MTC \u0111\u1ed1i chi\u1ebfu h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh v\u00e0 heat number.<br \/>\n&#8211; Tr\u00e1nh thay th\u1ebf ch\u00e9o gi\u1eefa c\u00e1c ti\u00eau chu\u1ea9n c\u00f3 m\u1ee5c \u0111\u00edch kh\u00e1c nhau.<\/p>\n<p>C\u1ea7n h\u1ed7 tr\u1ee3 ch\u1ecdn ti\u00eau chu\u1ea9n, so kh\u1edbp MTC\/CQ v\u00e0 b\u00e1o gi\u00e1 inox theo ASTM cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox Cuong Thinh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt v\u00e0 gi\u00e1 t\u1ed1t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i th\u00edch ti\u00eau chu\u1ea9n ASTM cho inox: A240, A312, A554\u2026; th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, dung sai, th\u1eed nghi\u1ec7m, MTC\/CQ, so s\u00e1nh JIS\/EN v\u00e0 c\u00e1ch ki\u1ec3m tra th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"author":7,"featured_media":1033,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2366","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\/2366","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=2366"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2366\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1033"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}