{"id":2401,"date":"2026-08-04T00:37:23","date_gmt":"2026-08-03T17:37:23","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/"},"modified":"2026-08-04T00:37:23","modified_gmt":"2026-08-03T17:37:23","slug":"tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/","title":{"rendered":"Ti\u00eau chu\u1ea9n \u1ed1ng inox c\u00f4ng nghi\u1ec7p: ASTM A312, A270, A269, A554"},"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;2401&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 \u1ed1ng inox c\u00f4ng nghi\u1ec7p: ASTM A312, A270, A269, A554&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            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#Phan_biet_nhanh_pipe_vs_tube_tieu_chuan_va_pham_vi_dung\" >Ph\u00e2n bi\u1ec7t nhanh: pipe vs tube, ti\u00eau chu\u1ea9n v\u00e0 ph\u1ea1m vi d\u00f9ng<\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#ASTM_A312_%E2%80%93_%E2%80%9Cchuan_goc%E2%80%9D_cho_ong_inox_chiu_ap\" >ASTM A312 \u2013 \u201cchu\u1ea9n g\u1ed1c\u201d cho \u1ed1ng inox ch\u1ecbu \u00e1p<\/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\/tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#ASTM_A269_%E2%80%93_Ong_Inox_%E2%80%9Ctube%E2%80%9D_cho_dich_vu_chung\" >ASTM A269 \u2013 \u1ed0ng Inox \u201ctube\u201d cho d\u1ecbch v\u1ee5 chung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#ASTM_A270_%E2%80%93_Ong_ve_sinh_sanitary_cho_F_B_va_duoc\" >ASTM A270 \u2013 \u1ed0ng v\u1ec7 sinh (sanitary) cho F&#038;B v\u00e0 d\u01b0\u1ee3c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#ASTM_A213_%E2%80%93_Ong_noi_hoitrao_doi_nhiet\" >ASTM A213 \u2013 \u1ed0ng n\u1ed3i h\u01a1i\/trao \u0111\u1ed5i nhi\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#ASTM_A554_%E2%80%93_Ong_co_khitrang_tri_khong_dung_cho_ap_luc\" >ASTM A554 \u2013 \u1ed0ng c\u01a1 kh\u00ed\/trang tr\u00ed (kh\u00f4ng d\u00f9ng cho \u00e1p l\u1ef1c)<\/a><\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#Tieu_chuan_kich_thuoc_ASME_B3619M_va_cach_doc_%E2%80%9Cschedule%E2%80%9D\" >Ti\u00eau chu\u1ea9n k\u00edch th\u01b0\u1edbc: ASME B36.19M v\u00e0 c\u00e1ch \u0111\u1ecdc \u201cschedule\u201d<\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#Tuong_duong_JISEN_de_thay_the_khi_can\" >T\u01b0\u01a1ng \u0111\u01b0\u01a1ng JIS\/EN \u0111\u1ec3 thay th\u1ebf khi c\u1ea7n<\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#Chon_mac_vat_lieu_theo_moi_truong\" >Ch\u1ecdn m\u00e1c v\u1eadt li\u1ec7u theo m\u00f4i tr\u01b0\u1eddng<\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#Kiem_tra_COCQ_va_truy_xuat_nguon_goc\" >Ki\u1ec3m tra CO\/CQ v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#Nghiem_thu_va_kiem_tra_chat_luong_%E2%80%93_checklist_thuc_te\" >Nghi\u1ec7m thu v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u2013 checklist th\u1ef1c t\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#Luu_y_thi_cong_%E2%80%93_de_khong_%E2%80%9Cmat_chuan%E2%80%9D_sau_khi_lap_dat\" >L\u01b0u \u00fd thi c\u00f4ng \u2013 \u0111\u1ec3 kh\u00f4ng \u201cm\u1ea5t chu\u1ea9n\u201d sau khi l\u1eafp \u0111\u1eb7t<\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#Nhung_sai_sot_pho_bien_can_tranh\" >Nh\u1eefng sai s\u00f3t ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#So_sanh_nhanh_%E2%80%93_chon_tieu_chuan_nao_cho_ung_dung_nao\" >So s\u00e1nh nhanh \u2013 ch\u1ecdn ti\u00eau chu\u1ea9n n\u00e0o cho \u1ee9ng d\u1ee5ng n\u00e0o?<\/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-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#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-17\" href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-cong-nghiep-astm-a312-a270-a269-a554\/#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-phan-biet-nhanh-pipe-vs-tube-tieu-chuan-va-pham-vi\">Ph\u00e2n bi\u1ec7t nhanh: pipe vs tube, ti\u00eau chu\u1ea9n v\u00e0 ph\u1ea1m vi d\u00f9ng<\/a><\/li>\n<li><a href=\"#toc-1-astm-a312-chuan-goc-cho-ong-inox-chiu-ap\">ASTM A312 \u2013 \u201cchu\u1ea9n g\u1ed1c\u201d cho \u1ed1ng inox ch\u1ecbu \u00e1p<\/a><\/li>\n<li><a href=\"#toc-2-astm-a269-ong-inox-tube-cho-dich-vu-chung\">ASTM A269 \u2013 \u1ed0ng Inox \u201ctube\u201d cho d\u1ecbch v\u1ee5 chung<\/a><\/li>\n<li><a href=\"#toc-3-astm-a270-ong-ve-sinh-sanitary-cho-fb-va-duoc\">ASTM A270 \u2013 \u1ed0ng v\u1ec7 sinh (sanitary) cho F&#038;B v\u00e0 d\u01b0\u1ee3c<\/a><\/li>\n<li><a href=\"#toc-4-astm-a213-ong-noi-hoitrao-doi-nhiet\">ASTM A213 \u2013 \u1ed0ng n\u1ed3i h\u01a1i\/trao \u0111\u1ed5i nhi\u1ec7t<\/a><\/li>\n<li><a href=\"#toc-5-astm-a554-ong-co-khitrang-tri-khong-dung-cho-ap-lu\">ASTM A554 \u2013 \u1ed0ng c\u01a1 kh\u00ed\/trang tr\u00ed (kh\u00f4ng d\u00f9ng cho \u00e1p l\u1ef1c)<\/a><\/li>\n<li><a href=\"#toc-6-tieu-chuan-kich-thuoc-asme-b3619m-va-cach-doc-sche\">Ti\u00eau chu\u1ea9n k\u00edch th\u01b0\u1edbc: ASME B36.19M v\u00e0 c\u00e1ch \u0111\u1ecdc \u201cschedule\u201d<\/a><\/li>\n<li><a href=\"#toc-7-tuong-duong-jisen-de-thay-the-khi-can\">T\u01b0\u01a1ng \u0111\u01b0\u01a1ng JIS\/EN \u0111\u1ec3 thay th\u1ebf khi c\u1ea7n<\/a><\/li>\n<li><a href=\"#toc-8-chon-mac-vat-lieu-theo-moi-truong\">Ch\u1ecdn m\u00e1c v\u1eadt li\u1ec7u theo m\u00f4i tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-9-kiem-tra-cocq-va-truy-xuat-nguon-goc\">Ki\u1ec3m tra CO\/CQ v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/a><\/li>\n<li><a href=\"#toc-10-nghiem-thu-va-kiem-tra-chat-luong-checklist-thuc-t\">Nghi\u1ec7m thu v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u2013 checklist th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-11-luu-y-thi-cong-de-khong-mat-chuan-sau-khi-lap-dat\">L\u01b0u \u00fd thi c\u00f4ng \u2013 \u0111\u1ec3 kh\u00f4ng \u201cm\u1ea5t chu\u1ea9n\u201d sau khi l\u1eafp \u0111\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-12-nhung-sai-sot-pho-bien-can-tranh\">Nh\u1eefng sai s\u00f3t ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-13-so-sanh-nhanh-chon-tieu-chuan-nao-cho-ung-dung-nao\">So s\u00e1nh nhanh \u2013 ch\u1ecdn ti\u00eau chu\u1ea9n n\u00e0o cho \u1ee9ng d\u1ee5ng n\u00e0o?<\/a><\/li>\n<li><a href=\"#toc-14-nguon-tham-khao-chinh\">Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li>\n<li><a href=\"#toc-15-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ti\u00eau chu\u1ea9n quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ed9 b\u1ec1n, an to\u00e0n v\u00e0 tu\u1ed5i th\u1ecd h\u1ec7 th\u1ed1ng \u1ed1ng inox. Trong h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng inox (ASTM, JIS, CO\/CQ), nh\u00f3m ti\u00eau chu\u1ea9n cho \u1ed1ng c\u00f4ng nghi\u1ec7p nh\u01b0 ASTM A312, A270, A269, A554\u2026 l\u00e0 \u201cx\u01b0\u01a1ng s\u1ed1ng\u201d \u0111\u1ec3 thi\u1ebft k\u1ebf, mua h\u00e0ng v\u00e0 nghi\u1ec7m thu \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u. B\u00e0i vi\u1ebft n\u00e0y \u0111i th\u1eb3ng v\u00e0o nh\u1eefng ti\u00eau chu\u1ea9n quan tr\u1ecdng nh\u1ea5t, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i, c\u00e1ch ch\u1ecdn m\u00e1c th\u00e9p\/schedule, ki\u1ec3m tra ch\u1ee9ng t\u1eeb v\u00e0 th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf \u0111\u1ec3 b\u1ea1n t\u1ef1 tin tri\u1ec3n khai.<\/p>\n<h2 id=\"toc-0-phan-biet-nhanh-pipe-vs-tube-tieu-chuan-va-pham-vi\"><span class=\"ez-toc-section\" id=\"Phan_biet_nhanh_pipe_vs_tube_tieu_chuan_va_pham_vi_dung\"><\/span>Ph\u00e2n bi\u1ec7t nhanh: pipe vs tube, ti\u00eau chu\u1ea9n v\u00e0 ph\u1ea1m vi d\u00f9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Pipe (\u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c): \u01b0u ti\u00ean l\u01b0u l\u01b0\u1ee3ng, ch\u1ecbu \u00e1p, ti\u00eau chu\u1ea9n \u0111i\u1ec3n h\u00ecnh ASTM A312 (austenitic), d\u00f9ng schedule (10S, 40S, 80S\u2026), k\u00edch th\u01b0\u1edbc theo NPS\/ASME B36.19M. \u1ee8ng d\u1ee5ng: h\u01a1i, n\u01b0\u1edbc, h\u00f3a ch\u1ea5t, d\u1ea7u kh\u00ed nh\u1eb9, PCCC, HVAC trung\/cao \u00e1p.<br \/>\n&#8211; Tube (\u1ed1ng \u0111\u1ecbnh h\u00ecnh\/\u0111\u1ed9 ch\u00ednh x\u00e1c): ch\u00fa tr\u1ecdng k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c, b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 s\u1ea1ch, th\u01b0\u1eddng cho trao \u0111\u1ed5i nhi\u1ec7t, d\u1ee5ng c\u1ee5, ng\u00e0nh th\u1ef1c ph\u1ea9m \u2013 d\u01b0\u1ee3c. Ti\u00eau chu\u1ea9n: ASTM A269 (general service tubing), ASTM A270 (sanitary tubing), ASTM A213 (boiler\/heat-exchanger).<br \/>\n&#8211; \u1ed0ng c\u01a1 kh\u00ed\/trang tr\u00ed: ASTM A554 (kh\u00f4ng d\u00f9ng cho \u00e1p l\u1ef1c), \u01b0u ti\u00ean b\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9, d\u00f9ng k\u1ebft c\u1ea5u nh\u1eb9, lan can, khung.<\/p>\n<h2 id=\"toc-1-astm-a312-chuan-goc-cho-ong-inox-chiu-ap\"><span class=\"ez-toc-section\" id=\"ASTM_A312_%E2%80%93_%E2%80%9Cchuan_goc%E2%80%9D_cho_ong_inox_chiu_ap\"><\/span>ASTM A312 \u2013 \u201cchu\u1ea9n g\u1ed1c\u201d cho \u1ed1ng inox ch\u1ecbu \u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ph\u1ea1m vi: \u1ed0ng inox austenitic kh\u00f4ng g\u1ec9 s\u1ea3n xu\u1ea5t li\u1ec1n m\u1ea1ch (SMLS), h\u00e0n (Welded) ho\u1eb7c h\u00e0n bi\u1ebfn c\u1ee9ng ngu\u1ed9i n\u1eb7ng, d\u00f9ng cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n\/\u00e1p l\u1ef1c.<br \/>\n&#8211; M\u00e1c ph\u1ed5 bi\u1ebfn: TP304\/304L, TP316\/316L, 321, 347, 904L; c\u00f3 th\u1ec3 g\u1eb7p duplex theo ti\u00eau chu\u1ea9n kh\u00e1c (ASTM A790).<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc: Theo danh ngh\u0129a NPS; chi\u1ec1u d\u00e0y theo schedule S (10S\/40S\/80S\u2026) quy \u0111\u1ecbnh b\u1edfi ASME B36.19M. \u201cS\u201d l\u00e0 series cho inox (kh\u00e1c carbon steel).<br \/>\n&#8211; Th\u1eed nghi\u1ec7m b\u1eaft bu\u1ed9c: th\u1eed th\u1ee7y l\u1ef1c ho\u1eb7c NDT t\u01b0\u01a1ng \u0111\u01b0\u01a1ng; c\u00e1c b\u00e0i th\u1eed c\u01a1 t\u00ednh, th\u1eed d\u1eb9t\/loe, ki\u1ec3m tra \u0103n m\u00f2n m\u1ed1i h\u00e0n n\u1ebfu y\u00eau c\u1ea7u. \u0110\u00e1nh d\u1ea5u heat number \u0111\u1ec3 truy xu\u1ea5t.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng ngh\u1ec7 h\u00f3a ch\u1ea5t, n\u01b0\u1edbc l\u00e0m m\u00e1t, h\u01a1i b\u00e3o h\u00f2a, h\u1ec7 ph\u00e2n ph\u1ed1i m\u00f4i ch\u1ea5t \u0103n m\u00f2n nh\u1eb9 \u0111\u1ebfn n\u1eb7ng.<br \/>\n&#8211; L\u01b0u \u00fd ch\u1ecdn schedule:<br \/>\n  + Sch 10S: l\u01b0u ch\u1ea5t s\u1ea1ch, \u00e1p th\u1ea5p\u2013trung b\u00ecnh, ti\u1ebft ki\u1ec7m tr\u1ecdng l\u01b0\u1ee3ng (CIP n\u01b0\u1edbc, kh\u00ed n\u00e9n s\u1ea1ch).<br \/>\n  + Sch 40S: l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn c\u00f4ng nghi\u1ec7p chung, ch\u1ecbu \u00e1p\/truy\u1ec1n h\u01a1i v\u1eeba ph\u1ea3i.<br \/>\n  + Sch 80S: \u00e1p cao, nhi\u1ec7t cao, nh\u00e1nh g\u1ea7n b\u01a1m\/van an to\u00e0n, xung \u00e1p.<br \/>\n&#8211; M\u1eb9o k\u1ef9 thu\u1eadt: \u01afu ti\u00ean L-grade (304L\/316L) \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n ranh gi\u1edbi h\u1ea1t khi h\u00e0n; m\u00f4i tr\u01b0\u1eddng chloride\/chlorine \u01b0\u1edbt \u01b0u ti\u00ean 316L.<\/p>\n<h2 id=\"toc-2-astm-a269-ong-inox-tube-cho-dich-vu-chung\"><span class=\"ez-toc-section\" id=\"ASTM_A269_%E2%80%93_Ong_Inox_%E2%80%9Ctube%E2%80%9D_cho_dich_vu_chung\"><\/span>ASTM A269 \u2013 \u1ed0ng Inox \u201ctube\u201d cho d\u1ecbch v\u1ee5 chung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ph\u1ea1m vi: \u1ed0ng inox austenitic d\u1ea1ng tube cho d\u1ecbch v\u1ee5 chung, th\u01b0\u1eddng th\u00e0nh m\u1ecfng, k\u00edch th\u01b0\u1edbc OD ch\u00ednh x\u00e1c, b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 \u1ee7 b\u00f3ng (BA).<br \/>\n&#8211; \u01afu \u0111i\u1ec3m: thao t\u00e1c u\u1ed1n\/lo\u00e9 t\u1ed1t, dung sai ch\u1eb7t; th\u00edch h\u1ee3p \u0111\u01b0\u1eddng \u1ed1ng d\u1ee5ng c\u1ee5 (instrumentation), trao \u0111\u1ed5i nhi\u1ec7t, coil.<br \/>\n&#8211; Kh\u00e1c A312: kh\u00f4ng d\u00f9ng chu\u1ea9n NPS\/schedule; kh\u00f4ng t\u1ed1i \u01b0u cho \u0111\u01b0\u1eddng \u1ed1ng ch\u1ecbu \u00e1p l\u1edbn. Ch\u1ecdn A269 khi \u01b0u ti\u00ean \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 b\u1ec1 m\u1eb7t n\u1ed9i\/ngo\u1ea1i.<\/p>\n<h2 id=\"toc-3-astm-a270-ong-ve-sinh-sanitary-cho-fb-va-duoc\"><span class=\"ez-toc-section\" id=\"ASTM_A270_%E2%80%93_Ong_ve_sinh_sanitary_cho_F_B_va_duoc\"><\/span>ASTM A270 \u2013 \u1ed0ng v\u1ec7 sinh (sanitary) cho F&#038;B v\u00e0 d\u01b0\u1ee3c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ph\u1ea1m vi: \u1ed0ng inox v\u1ec7 sinh cho ch\u1ebf bi\u1ebfn s\u1eefa, th\u1ef1c ph\u1ea9m, \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m; ki\u1ec3m so\u00e1t \u0111\u1ed9 nh\u1eb5n, l\u00e0m s\u1ea1ch, v\u00e0 lo\u1ea1i b\u1ecf g\u1edd h\u00e0n b\u00ean trong.<br \/>\n&#8211; B\u1ec1 m\u1eb7t \u2013 \u0111\u1ed9 nh\u00e1m: Nh\u00e0 m\u00e1y th\u01b0\u1eddng cung c\u1ea5p theo th\u1ef1c h\u00e0nh ASME BPE:<br \/>\n  + SF1: Ra \u2264 0,51 \u03bcm (20 \u03bcin), c\u01a1 kh\u00ed \u0111\u00e1nh b\u00f3ng.<br \/>\n  + SF4: Ra \u2264 0,38 \u03bcm (15 \u03bcin), \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n (electropolish).<br \/>\n&#8211; Y\u00eau c\u1ea7u \u0111i\u1ec3n h\u00ecnh: t\u1ea9y g\u1edd h\u00e0n trong (ID weld bead removal), t\u1ea9y g\u1ec9\u2013th\u1ee5 \u0111\u1ed9ng (ASTM A380\/A967), v\u1ec7 sinh \u0111\u00f3ng g\u00f3i s\u1ea1ch.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: CIP\/SIP, s\u1eefa, bia\u2013n\u01b0\u1edbc gi\u1ea3i kh\u00e1t, n\u01b0\u1edbc tinh khi\u1ebft, API d\u01b0\u1ee3c.<br \/>\n&#8211; L\u01b0u \u00fd: N\u1ebfu y\u00eau c\u1ea7u x\u00e1c nh\u1eadn v\u1ec7 sinh cao, k\u1ebft h\u1ee3p ti\u00eau chu\u1ea9n 3-A\/ASME BPE v\u00e0 ki\u1ec3m tra roughness th\u1ef1c \u0111o b\u1eb1ng profilometer.<\/p>\n<h2 id=\"toc-4-astm-a213-ong-noi-hoitrao-doi-nhiet\"><span class=\"ez-toc-section\" id=\"ASTM_A213_%E2%80%93_Ong_noi_hoitrao_doi_nhiet\"><\/span>ASTM A213 \u2013 \u1ed0ng n\u1ed3i h\u01a1i\/trao \u0111\u1ed5i nhi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ph\u1ea1m vi: \u1ed0ng inox cho n\u1ed3i h\u01a1i, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t (seamless ho\u1eb7c welded), th\u00e0nh m\u1ecfng, \u0111\u1ed9 s\u1ea1ch cao, cho \u1ed1ng ch\u00f9m, U-bend.<br \/>\n&#8211; Khi ch\u1ecdn: \u01b0u ti\u00ean A213 cho bundle\/hang ch\u00f9m \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m t\u01b0\u01a1ng th\u00edch y\u00eau c\u1ea7u th\u1eed xo\u1eafn, d\u1eb9t, v\u00e0 u\u1ed1n U theo spec.<\/p>\n<h2 id=\"toc-5-astm-a554-ong-co-khitrang-tri-khong-dung-cho-ap-lu\"><span class=\"ez-toc-section\" id=\"ASTM_A554_%E2%80%93_Ong_co_khitrang_tri_khong_dung_cho_ap_luc\"><\/span>ASTM A554 \u2013 \u1ed0ng c\u01a1 kh\u00ed\/trang tr\u00ed (kh\u00f4ng d\u00f9ng cho \u00e1p l\u1ef1c)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ph\u1ea1m vi: \u1ed0ng inox c\u01a1 kh\u00ed\/ki\u1ebfn tr\u00fac (vu\u00f4ng, ch\u1eef nh\u1eadt, tr\u00f2n), b\u1ec1 m\u1eb7t No.4\/HL\/BA \u0111\u1eb9p.<br \/>\n&#8211; C\u1ea3nh b\u00e1o: Kh\u00f4ng d\u00f9ng cho h\u1ec7 \u00e1p l\u1ef1c\/h\u01a1i\/n\u01b0\u1edbc c\u00f4ng ngh\u1ec7. Sai chu\u1ea9n n\u00e0y l\u00e0 l\u1ed7i mua h\u00e0ng nghi\u00eam tr\u1ecdng hay g\u1eb7p.<\/p>\n<h2 id=\"toc-6-tieu-chuan-kich-thuoc-asme-b3619m-va-cach-doc-sche\"><span class=\"ez-toc-section\" id=\"Tieu_chuan_kich_thuoc_ASME_B3619M_va_cach_doc_%E2%80%9Cschedule%E2%80%9D\"><\/span>Ti\u00eau chu\u1ea9n k\u00edch th\u01b0\u1edbc: ASME B36.19M v\u00e0 c\u00e1ch \u0111\u1ecdc \u201cschedule\u201d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; ASME B36.19M quy \u0111\u1ecbnh OD v\u00e0 chi\u1ec1u d\u00e0y ti\u00eau chu\u1ea9n cho \u1ed1ng inox schedule S. Schedule l\u00e0 ch\u1ec9 s\u1ed1 chi\u1ec1u d\u00e0y th\u00e0nh \u1ed1ng (kh\u00f4ng ph\u1ea3i c\u1ea5p \u00e1p).<br \/>\n&#8211; C\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u tr\u00ean \u1ed1ng \u0111i\u1ec3n h\u00ecnh: \u201cASTM A312 TP316L 2&#8243; SCH40S SMLS Heat No. XXXXX\u201d.<br \/>\n&#8211; Th\u1ef1c h\u00e0nh ch\u1ecdn nhanh:<br \/>\n  + \u0110\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p chung: A312 + B36.19M, sch 10S\/40S theo \u00e1p\u2013nhi\u1ec7t\u2013\u0103n m\u00f2n.<br \/>\n  + D\u1ee5ng c\u1ee5\/ch\u00ednh x\u00e1c: A269.<br \/>\n  + Th\u1ef1c ph\u1ea9m\u2013d\u01b0\u1ee3c: A270 + y\u00eau c\u1ea7u Ra\/ASME BPE.<br \/>\n  + Trang tr\u00ed\/c\u01a1 kh\u00ed: A554.<\/p>\n<h2 id=\"toc-7-tuong-duong-jisen-de-thay-the-khi-can\"><span class=\"ez-toc-section\" id=\"Tuong_duong_JISEN_de_thay_the_khi_can\"><\/span>T\u01b0\u01a1ng \u0111\u01b0\u01a1ng JIS\/EN \u0111\u1ec3 thay th\u1ebf khi c\u1ea7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; JIS:<br \/>\n  + JIS G3459: Stainless steel pipes for piping (t\u01b0\u01a1ng t\u1ef1 A312).<br \/>\n  + JIS G3447\/G3448: \u1ed0ng inox v\u1ec7 sinh cho th\u1ef1c ph\u1ea9m (t\u01b0\u01a1ng t\u1ef1 A270, ph\u1ee5 thu\u1ed9c \u1ee9ng d\u1ee5ng).<br \/>\n&#8211; Ch\u00e2u \u00c2u (EN\/ISO):<br \/>\n  + EN 10217-7: \u1ed0ng inox h\u00e0n d\u00f9ng cho m\u1ee5c \u0111\u00edch \u00e1p l\u1ef1c.<br \/>\n  + EN 10216-5: \u1ed0ng inox li\u1ec1n m\u1ea1ch d\u00f9ng cho m\u1ee5c \u0111\u00edch \u00e1p l\u1ef1c.<br \/>\n&#8211; Khi d\u00f9ng ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, \u0111\u1ed1i chi\u1ebfu: m\u00e1c th\u00e9p (X5CrNi18-10 \u2248 304), c\u01a1 t\u00ednh, th\u1eed nghi\u1ec7m, b\u1ec1 m\u1eb7t v\u00e0 t\u00e0i li\u1ec7u 3.1\/3.2 theo EN 10204.<\/p>\n<h2 id=\"toc-8-chon-mac-vat-lieu-theo-moi-truong\"><span class=\"ez-toc-section\" id=\"Chon_mac_vat_lieu_theo_moi_truong\"><\/span>Ch\u1ecdn m\u00e1c v\u1eadt li\u1ec7u theo m\u00f4i tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; N\u01b0\u1edbc s\u1ea1ch, HVAC, PCCC: 304\/304L; ngo\u00e0i tr\u1eddi ven bi\u1ec3n c\u00e2n nh\u1eafc 316L.<br \/>\n&#8211; Chloride (n\u01b0\u1edbc bi\u1ec3n, CIP c\u00f3 chloride): 316\/316L; tr\u00e1nh khe h\u1edf v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao trong chloride.<br \/>\n&#8211; Nhi\u1ec7t cao (300\u2013850\u00b0C): 321\/347 (\u1ed5n \u0111\u1ecbnh titan\/niobium) thay cho 304\/316 \u0111\u1ec3 ch\u1ed1ng nh\u1ea1y c\u1ea3m \u0103n m\u00f2n ranh gi\u1edbi h\u1ea1t.<br \/>\n&#8211; \u0102n m\u00f2n n\u1eb7ng\/h\u00f3a ch\u1ea5t h\u1eefu c\u01a1 m\u1ea1nh: 904L ho\u1eb7c duplex (theo chu\u1ea9n th\u00edch h\u1ee3p).<\/p>\n<h2 id=\"toc-9-kiem-tra-cocq-va-truy-xuat-nguon-goc\"><span class=\"ez-toc-section\" id=\"Kiem_tra_COCQ_va_truy_xuat_nguon_goc\"><\/span>Ki\u1ec3m tra CO\/CQ v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; CO (Certificate of Origin): ch\u1ee9ng nh\u1eadn xu\u1ea5t x\u1ee9.<br \/>\n&#8211; CQ\/MTC (Mill Test Certificate): n\u00ean y\u00eau c\u1ea7u EN 10204 3.1; \u0111\u1ed1i chi\u1ebfu:<br \/>\n  + Ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t (A312\/A270\u2026).<br \/>\n  + Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc\/gi\u1edbi h\u1ea1n c\u01a1 t\u00ednh.<br \/>\n  + K\u1ebft qu\u1ea3 th\u1eed (hydro\/NDT), tr\u1ea1ng th\u00e1i nhi\u1ec7t luy\u1ec7n, k\u00edch th\u01b0\u1edbc.<br \/>\n  + Heat number tr\u00f9ng kh\u1edbp v\u1edbi in tr\u00ean \u1ed1ng\/th\u00f9ng.<br \/>\n&#8211; Th\u1eed nhanh t\u1ea1i ch\u1ed7:<br \/>\n  + PMI (XRF) x\u00e1c nh\u1eadn m\u00e1c 304\/316\/321.<br \/>\n  + \u0110o chi\u1ec1u d\u00e0y (UT), OD, ovality theo dung sai ti\u00eau chu\u1ea9n.<br \/>\n  + Th\u1eed \u00e1p su\u1ea5t\/\u0111\u1ed9 k\u00edn (n\u1ebfu y\u00eau c\u1ea7u d\u1ef1 \u00e1n).<br \/>\n  + V\u1edbi A270: \u0111o Ra n\u1ed9i\/ngo\u1ea1i, ki\u1ec3m tra g\u1edd h\u00e0n \u0111\u00e3 lo\u1ea1i b\u1ecf, x\u00e1c nh\u1eadn t\u1ea9y g\u1ec9\u2013th\u1ee5 \u0111\u1ed9ng.<\/p>\n<h2 id=\"toc-10-nghiem-thu-va-kiem-tra-chat-luong-checklist-thuc-t\"><span class=\"ez-toc-section\" id=\"Nghiem_thu_va_kiem_tra_chat_luong_%E2%80%93_checklist_thuc_te\"><\/span>Nghi\u1ec7m thu v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u2013 checklist th\u1ef1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng:<br \/>\n  + N\u00eau r\u00f5 ti\u00eau chu\u1ea9n (A312\/A270\/A269\/A554), m\u00e1c (TP316L\u2026), k\u00edch th\u01b0\u1edbc (NPS\/OD x WT), schedule, ch\u1ebf \u0111\u1ed9 nhi\u1ec7t luy\u1ec7n (solution annealed), b\u1ec1 m\u1eb7t (BA\/2B\/EP), chi\u1ec1u d\u00e0i (R\/L cut).<br \/>\n  + Y\u00eau c\u1ea7u ch\u1ee9ng t\u1eeb EN 10204 3.1, truy xu\u1ea5t heat, test b\u1ed5 sung (PMI, ferrite FN v\u00f9ng h\u00e0n n\u1ebfu c\u1ea7n).<br \/>\n  + \u0110i\u1ec1u ki\u1ec7n \u0111\u00f3ng g\u00f3i (end caps, b\u1ecdc PE, pallet g\u1ed7).<br \/>\n&#8211; Khi nh\u1eadn h\u00e0ng:<br \/>\n  + So kh\u1edbp nh\u00e3n \u2013 kh\u1eafc laser: ti\u00eau chu\u1ea9n, m\u00e1c, heat no., size.<br \/>\n  + Ki\u1ec3m k\u00edch th\u01b0\u1edbc: OD, WT, \u0111\u1ed9 th\u1eb3ng\/\u0111\u1ed9 \u00f4 van.<br \/>\n  + B\u1ec1 m\u1eb7t: kh\u00f4ng n\u1ee9t, r\u1ed7, v\u1ebft \u0103n m\u00f2n; m\u1ed1i h\u00e0n \u0111\u1ec1u, \u0111\u00e3 pickling\/passivation.<br \/>\n  + Th\u1eed th\u1ee7y l\u1ef1c\/NDT theo spec (ho\u1eb7c ch\u1ee9ng ch\u1ec9 nh\u00e0 m\u00e1y).<br \/>\n  + V\u1edbi sanitary: \u0111o Ra, n\u1ed9i soi ki\u1ec3m tra g\u1edd h\u00e0n\/\u0111\u1ed9 s\u1ea1ch.<\/p>\n<h2 id=\"toc-11-luu-y-thi-cong-de-khong-mat-chuan-sau-khi-lap-dat\"><span class=\"ez-toc-section\" id=\"Luu_y_thi_cong_%E2%80%93_de_khong_%E2%80%9Cmat_chuan%E2%80%9D_sau_khi_lap_dat\"><\/span>L\u01b0u \u00fd thi c\u00f4ng \u2013 \u0111\u1ec3 kh\u00f4ng \u201cm\u1ea5t chu\u1ea9n\u201d sau khi l\u1eafp \u0111\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Quy tr\u00ecnh h\u00e0n: \u01b0u ti\u00ean h\u00e0n qu\u1ea7ng kh\u00ed tr\u01a1 (TIG) c\u00f3 backing\/argon purge cho A312\/A270; ng\u00e0nh d\u01b0\u1ee3c\u2013F&#038;B n\u00ean d\u00f9ng h\u00e0n orbital.<br \/>\n&#8211; Que\/d\u00e2y h\u00e0n: ph\u00f9 h\u1ee3p m\u00e1c (ER308L cho 304L; ER316L cho 316L; ER347 cho 347\u2026), ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ea7u v\u00e0o \u0111\u1ec3 h\u1ea1n ch\u1ebf bi\u1ebfn m\u00e0u\/oxi h\u00f3a.<br \/>\n&#8211; X\u1eed l\u00fd sau h\u00e0n: t\u1ea9y g\u1ec9\u2013th\u1ee5 \u0111\u1ed9ng (ASTM A380\/A967), c\u1ea7n thi\u1ebft \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n cho y\u00eau c\u1ea7u SF4.<br \/>\n&#8211; V\u1ec7 sinh v\u00e0 b\u1ea3o qu\u1ea3n: b\u1ecbt \u0111\u1ea7u, bao g\u00f3i s\u1ea1ch cho sanitary; tr\u00e1nh nhi\u1ec5m s\u1eaft t\u1eeb d\u1ee5ng c\u1ee5 carbon steel.<\/p>\n<h2 id=\"toc-12-nhung-sai-sot-pho-bien-can-tranh\"><span class=\"ez-toc-section\" id=\"Nhung_sai_sot_pho_bien_can_tranh\"><\/span>Nh\u1eefng sai s\u00f3t ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u00f9ng ASTM A554 cho \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c: nguy c\u01a1 r\u00f2 r\u1ec9, n\u1ee9t v\u1ee1.<br \/>\n&#8211; Mua A312 nh\u01b0ng qu\u00ean quy \u0111\u1ecbnh schedule: \u0111\u1ed9 d\u00e0y kh\u00f4ng \u0111\u1ee7\/kh\u00f4ng \u0111\u1ed3ng b\u1ed9 l\u1eafp \u0111\u1eb7t.<br \/>\n&#8211; D\u00f9ng 304L \u1edf b\u1edd bi\u1ec3n\/chloride \u0111\u1eadm \u0111\u1eb7c: pitting s\u1edbm; l\u1ebd ra c\u1ea7n 316L ho\u1eb7c m\u00e1c cao h\u01a1n.<br \/>\n&#8211; \u1ed0ng sanitary kh\u00f4ng \u0111\u1ea1t Ra\/th\u1ee5 \u0111\u1ed9ng: t\u00edch t\u1ee5 vi sinh, CIP\/SIP k\u00e9m hi\u1ec7u qu\u1ea3.<\/p>\n<h2 id=\"toc-13-so-sanh-nhanh-chon-tieu-chuan-nao-cho-ung-dung-nao\"><span class=\"ez-toc-section\" id=\"So_sanh_nhanh_%E2%80%93_chon_tieu_chuan_nao_cho_ung_dung_nao\"><\/span>So s\u00e1nh nhanh \u2013 ch\u1ecdn ti\u00eau chu\u1ea9n n\u00e0o cho \u1ee9ng d\u1ee5ng n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u01a1i\/n\u01b0\u1edbc c\u00f4ng ngh\u1ec7\/\u00e1p l\u1ef1c: ASTM A312 + ASME B36.19M (sch 10S\/40S\/80S t\u00f9y t\u00ednh to\u00e1n).<br \/>\n&#8211; D\u1ee5ng c\u1ee5\/\u1ed1ng m\u1ea3nh, u\u1ed1n l\u1eafp ch\u00ednh x\u00e1c: ASTM A269.<br \/>\n&#8211; Th\u1ef1c ph\u1ea9m\u2013\u0111\u1ed3 u\u1ed1ng\u2013d\u01b0\u1ee3c ph\u1ea9m: ASTM A270 + y\u00eau c\u1ea7u Ra\/ASME BPE, lo\u1ea1i b\u1ecf g\u1edd h\u00e0n, EP n\u1ebfu c\u1ea7n.<br \/>\n&#8211; Trao \u0111\u1ed5i nhi\u1ec7t\/n\u1ed3i h\u01a1i: ASTM A213 (u\u1ed1n U, bundle).<br \/>\n&#8211; K\u1ebft c\u1ea5u\/trang tr\u00ed\/khung: ASTM A554 (kh\u00f4ng d\u00f9ng cho \u00e1p).<\/p>\n<h2 id=\"toc-14-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 A312\/A312M \u2013 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes (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 A269 \u2013 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service (astm.org)<br \/>\n&#8211; ASTM A213 \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; ASME B36.19M \u2013 Stainless Steel Pipe (asme.org)<br \/>\n&#8211; ASME BPE \u2013 Bioprocessing Equipment Standard (asme.org)<br \/>\n&#8211; EN 10217-7; EN 10216-5 (cen.eu)<br \/>\n&#8211; JIS G3459; JIS G3447\/G3448 (webstore.jsa.or.jp)<\/p>\n<h2 id=\"toc-15-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>&#8211; ASTM A312 l\u00e0 ti\u00eau chu\u1ea9n c\u1ed1t l\u00f5i cho \u1ed1ng inox ch\u1ecbu \u00e1p; ch\u1ecdn \u0111\u00fang schedule theo ASME B36.19M.<br \/>\n&#8211; ASTM A270 l\u00e0 \u201cchu\u1ea9n v\u1ec7 sinh\u201d cho F&#038;B\/d\u01b0\u1ee3c, c\u1ea7n ki\u1ec3m so\u00e1t b\u1ec1 m\u1eb7t (Ra), g\u1edd h\u00e0n v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a; c\u00f3 th\u1ec3 tham chi\u1ebfu ASME BPE.<br \/>\n&#8211; ASTM A269\/A213 ph\u1ee5c v\u1ee5 \u1ed1ng m\u1ea3nh\/ch\u00ednh x\u00e1c v\u00e0 trao \u0111\u1ed5i nhi\u1ec7t; ASTM A554 ch\u1ec9 cho c\u01a1 kh\u00ed\/trang tr\u00ed, kh\u00f4ng d\u00f9ng \u00e1p l\u1ef1c.<br \/>\n&#8211; Lu\u00f4n ki\u1ec3m tra CO\/CQ (EN 10204 3.1), PMI, k\u00edch th\u01b0\u1edbc, th\u1eed \u00e1p\/NDT; thi c\u00f4ng \u0111\u00fang quy tr\u00ecnh h\u00e0n\u2013th\u1ee5 \u0111\u1ed9ng \u0111\u1ec3 gi\u1eef chu\u1ea9n sau l\u1eafp \u0111\u1eb7t.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn ti\u00eau chu\u1ea9n, m\u00e1c th\u00e9p v\u00e0 schedule theo m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 v\u1eadt li\u1ec7u 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>Hi\u1ec3u r\u00f5 ASTM A312, A270, A269, A554\u2026: kh\u00e1c bi\u1ec7t, ph\u1ea1m vi \u00e1p d\u1ee5ng, ch\u1ecdn m\u00e1c\/schedule, ki\u1ec3m tra CO\/CQ v\u00e0 nghi\u1ec7m thu \u1ed1ng inox c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"author":7,"featured_media":1029,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2401","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\/2401","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=2401"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2401\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1029"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}