{"id":2424,"date":"2026-08-10T00:34:21","date_gmt":"2026-08-09T17:34:21","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/"},"modified":"2026-08-10T00:34:21","modified_gmt":"2026-08-09T17:34:21","slug":"checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/","title":{"rendered":"Checklist 10 b\u01b0\u1edbc ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng Inox tr\u01b0\u1edbc khi nh\u1eadp kho"},"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;2424&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;Checklist 10 b\u01b0\u1edbc ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng Inox tr\u01b0\u1edbc khi nh\u1eadp kho&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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Tom_luoc_checklist_10_buoc_ap_dung_nhanh_tai_hien_truong\" >T\u00f3m l\u01b0\u1ee3c checklist 10 b\u01b0\u1edbc (\u00e1p d\u1ee5ng nhanh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng)<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_1_Kiem_tra_ho_so_%E2%80%93_chung_chi\" >B\u01b0\u1edbc 1: Ki\u1ec3m tra h\u1ed3 s\u01a1 \u2013 ch\u1ee9ng ch\u1ec9<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_2_Doi_chieu_quy_cach_%E2%80%93_dung_sai_%E2%80%93_trong_luong\" >B\u01b0\u1edbc 2: \u0110\u1ed1i chi\u1ebfu quy c\u00e1ch \u2013 dung sai \u2013 tr\u1ecdng l\u01b0\u1ee3ng<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_3_Kiem_tra_be_mat_va_cap_hoan_thien\" >B\u01b0\u1edbc 3: Ki\u1ec3m tra b\u1ec1 m\u1eb7t v\u00e0 c\u1ea5p ho\u00e0n thi\u1ec7n<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_4_Xac_dinh_mac_bang_PMI_XRF\" >B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh m\u00e1c b\u1eb1ng PMI (XRF)<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_5_Thu_tu_tinh_va_phep_thu_hien_truong\" >B\u01b0\u1edbc 5: Th\u1eed t\u1eeb t\u00ednh v\u00e0 ph\u00e9p th\u1eed hi\u1ec7n tr\u01b0\u1eddng<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_6_Kiem_tra_co_tinhdo_cung\" >B\u01b0\u1edbc 6: Ki\u1ec3m tra c\u01a1 t\u00ednh\/\u0111\u1ed9 c\u1ee9ng<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_7_Kiem_tra_chieu_day_do_phangthang_do_ovan\" >B\u01b0\u1edbc 7: Ki\u1ec3m tra chi\u1ec1u d\u00e0y, \u0111\u1ed9 ph\u1eb3ng\/th\u1eb3ng, \u0111\u1ed9 \u00f4van<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_8_Danh_gia_moi_han_ongchi_tiet_han\" >B\u01b0\u1edbc 8: \u0110\u00e1nh gi\u00e1 m\u1ed1i h\u00e0n (\u1ed1ng\/chi ti\u1ebft h\u00e0n)<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_9_Sang_loc_khuyet_tat_an_va_thu_an_mon_chon_loc_khi_can\" >B\u01b0\u1edbc 9: S\u00e0ng l\u1ecdc khuy\u1ebft t\u1eadt \u1ea9n v\u00e0 th\u1eed \u0103n m\u00f2n ch\u1ecdn l\u1ecdc (khi c\u1ea7n)<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Buoc_10_Dong_goi_ghi_nhan_bao_quan_va_cach_ly\" >B\u01b0\u1edbc 10: \u0110\u00f3ng g\u00f3i, ghi nh\u00e3n, b\u1ea3o qu\u1ea3n v\u00e0 c\u00e1ch ly<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Phuong_phap_lay_mau_va_bieu_mau_ghi_nhan\" >Ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu v\u00e0 bi\u1ec3u m\u1eabu ghi nh\u1eadn<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Nhung_loi_thuong_gap_va_cach_tranh\" >Nh\u1eefng l\u1ed7i 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-15\" href=\"https:\/\/inoxcuongthinh.com\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#Vi_du_ap_dung_nhanh_case_ong_316L_DN50\" >V\u00ed d\u1ee5 \u00e1p d\u1ee5ng nhanh (case \u1ed1ng 316L DN50)<\/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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#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\/checklist-10-buoc-kiem-tra-chat-luong-inox-truoc-khi-nhap-kho-3\/#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-tom-luoc-checklist-10-buoc-ap-dung-nhanh-tai-hien-\">T\u00f3m l\u01b0\u1ee3c checklist 10 b\u01b0\u1edbc (\u00e1p d\u1ee5ng nhanh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng)<\/a><\/li>\n<li><a href=\"#toc-1-buoc-1-kiem-tra-ho-so-chung-chi\">B\u01b0\u1edbc 1: Ki\u1ec3m tra h\u1ed3 s\u01a1 \u2013 ch\u1ee9ng ch\u1ec9<\/a><\/li>\n<li><a href=\"#toc-2-buoc-2-doi-chieu-quy-cach-dung-sai-trong-luong\">B\u01b0\u1edbc 2: \u0110\u1ed1i chi\u1ebfu quy c\u00e1ch \u2013 dung sai \u2013 tr\u1ecdng l\u01b0\u1ee3ng<\/a><\/li>\n<li><a href=\"#toc-3-buoc-3-kiem-tra-be-mat-va-cap-hoan-thien\">B\u01b0\u1edbc 3: Ki\u1ec3m tra b\u1ec1 m\u1eb7t v\u00e0 c\u1ea5p ho\u00e0n thi\u1ec7n<\/a><\/li>\n<li><a href=\"#toc-4-buoc-4-xac-dinh-mac-bang-pmi-xrf\">B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh m\u00e1c b\u1eb1ng PMI (XRF)<\/a><\/li>\n<li><a href=\"#toc-5-buoc-5-thu-tu-tinh-va-phep-thu-hien-truong\">B\u01b0\u1edbc 5: Th\u1eed t\u1eeb t\u00ednh v\u00e0 ph\u00e9p th\u1eed hi\u1ec7n tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-6-buoc-6-kiem-tra-co-tinhdo-cung\">B\u01b0\u1edbc 6: Ki\u1ec3m tra c\u01a1 t\u00ednh\/\u0111\u1ed9 c\u1ee9ng<\/a><\/li>\n<li><a href=\"#toc-7-buoc-7-kiem-tra-chieu-day-do-phangthang-do-ovan\">B\u01b0\u1edbc 7: Ki\u1ec3m tra chi\u1ec1u d\u00e0y, \u0111\u1ed9 ph\u1eb3ng\/th\u1eb3ng, \u0111\u1ed9 \u00f4van<\/a><\/li>\n<li><a href=\"#toc-8-buoc-8-danh-gia-moi-han-ongchi-tiet-han\">B\u01b0\u1edbc 8: \u0110\u00e1nh gi\u00e1 m\u1ed1i h\u00e0n (\u1ed1ng\/chi ti\u1ebft h\u00e0n)<\/a><\/li>\n<li><a href=\"#toc-9-buoc-9-sang-loc-khuyet-tat-an-va-thu-an-mon-chon-l\">B\u01b0\u1edbc 9: S\u00e0ng l\u1ecdc khuy\u1ebft t\u1eadt \u1ea9n v\u00e0 th\u1eed \u0103n m\u00f2n ch\u1ecdn l\u1ecdc (khi c\u1ea7n)<\/a><\/li>\n<li><a href=\"#toc-10-buoc-10-dong-goi-ghi-nhan-bao-quan-va-cach-ly\">B\u01b0\u1edbc 10: \u0110\u00f3ng g\u00f3i, ghi nh\u00e3n, b\u1ea3o qu\u1ea3n v\u00e0 c\u00e1ch ly<\/a><\/li>\n<li><a href=\"#toc-11-phuong-phap-lay-mau-va-bieu-mau-ghi-nhan\">Ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu v\u00e0 bi\u1ec3u m\u1eabu ghi nh\u1eadn<\/a><\/li>\n<li><a href=\"#toc-12-nhung-loi-thuong-gap-va-cach-tranh\">Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-13-vi-du-ap-dung-nhanh-case-ong-316l-dn50\">V\u00ed d\u1ee5 \u00e1p d\u1ee5ng nhanh (case \u1ed1ng 316L DN50)<\/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>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng Inox ngay t\u1ea1i c\u1ed5ng kho l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean \u0111\u1ec3 ng\u0103n r\u1ee7i ro v\u1eadt t\u01b0 sai m\u00e1c, sai dung sai, b\u1ec1 m\u1eb7t l\u1ed7i hay m\u1ed1i h\u00e0n k\u00e9m\u2014nh\u1eefng th\u1ee9 c\u00f3 th\u1ec3 \u0111\u1ed9i chi ph\u00ed, tr\u1ec5 ti\u1ebfn \u0111\u1ed9, th\u1eadm ch\u00ed g\u00e2y h\u1ecfng thi\u1ebft b\u1ecb. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p checklist 10 b\u01b0\u1edbc ki\u1ec3m tra Inox tr\u01b0\u1edbc khi nh\u1eadp kho, \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong b\u1ee9c tranh l\u1edbn v\u1ec1 ph\u00e2n bi\u1ec7t v\u00e0 ki\u1ec3m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u00e1c lo\u1ea1i Inox tr\u00ean th\u1ecb tr\u01b0\u1eddng. B\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng tr\u1ef1c ti\u1ebfp cho t\u1ea5m\/cu\u1ed9n, \u1ed1ng h\u00e0n\u2013\u0111\u00fac, thanh la\u2013tr\u00f2n\u2013vu\u00f4ng, ph\u1ee5 ki\u1ec7n h\u00e0n\/ren.<\/p>\n<h2 id=\"toc-0-tom-luoc-checklist-10-buoc-ap-dung-nhanh-tai-hien-\"><span class=\"ez-toc-section\" id=\"Tom_luoc_checklist_10_buoc_ap_dung_nhanh_tai_hien_truong\"><\/span>T\u00f3m l\u01b0\u1ee3c checklist 10 b\u01b0\u1edbc (\u00e1p d\u1ee5ng nhanh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; B\u01b0\u1edbc 1: Ki\u1ec3m tra h\u1ed3 s\u01a1 \u2013 ch\u1ee9ng ch\u1ec9 (CO, MTC 3.1, ti\u00eau chu\u1ea9n, heat\/lot).<br \/>\n&#8211; B\u01b0\u1edbc 2: \u0110\u1ed1i chi\u1ebfu quy c\u00e1ch \u2013 dung sai \u2013 tr\u1ecdng l\u01b0\u1ee3ng.<br \/>\n&#8211; B\u01b0\u1edbc 3: Ki\u1ec3m tra b\u1ec1 m\u1eb7t v\u00e0 c\u1ea5p ho\u00e0n thi\u1ec7n (2B, BA, No.1, No.4\/HL).<br \/>\n&#8211; B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh m\u00e1c b\u1eb1ng PMI (XRF) v\u00e0 so kh\u1edbp th\u00e0nh ph\u1ea7n.<br \/>\n&#8211; B\u01b0\u1edbc 5: Th\u1eed t\u1eeb t\u00ednh v\u00e0 c\u00e1c ph\u00e9p th\u1eed hi\u1ec7n tr\u01b0\u1eddng c\u00f3 ki\u1ec3m so\u00e1t.<br \/>\n&#8211; B\u01b0\u1edbc 6: Ki\u1ec3m tra c\u01a1 t\u00ednh\/\u0111\u1ed9 c\u1ee9ng (HV\/HRB\/HRC) v\u00e0 ph\u00e9p th\u1eed quy \u0111\u1ecbnh.<br \/>\n&#8211; B\u01b0\u1edbc 7: Ki\u1ec3m tra chi\u1ec1u d\u00e0y, \u0111\u1ed9 ph\u1eb3ng\/th\u1eb3ng, \u0111\u1ed9 \u00f4van (\u1ed1ng).<br \/>\n&#8211; B\u01b0\u1edbc 8: \u0110\u00e1nh gi\u00e1 m\u1ed1i h\u00e0n (\u0111\u1ed1i v\u1edbi \u1ed1ng\/chi ti\u1ebft h\u00e0n) + NDT c\u01a1 b\u1ea3n.<br \/>\n&#8211; B\u01b0\u1edbc 9: S\u00e0ng l\u1ecdc khuy\u1ebft t\u1eadt \u1ea9n (UT\/PT) v\u00e0 th\u1eed \u0103n m\u00f2n ch\u1ecdn l\u1ecdc khi c\u1ea7n.<br \/>\n&#8211; B\u01b0\u1edbc 10: \u0110\u00f3ng g\u00f3i, ghi nh\u00e3n, b\u1ea3o qu\u1ea3n v\u00e0 c\u00e1ch ly l\u00f4 kh\u00f4ng ph\u00f9 h\u1ee3p.<\/p>\n<p>G\u1ee3i \u00fd l\u1ea5y m\u1eabu: d\u00f9ng ANSI\/ASQ Z1.4 v\u1edbi AQL \u0111i\u1ec3n h\u00ecnh 1.0\u20132.5 t\u00f9y r\u1ee7i ro. Lu\u00f4n ghi nh\u1eadn s\u1ed1 m\u1eabu, s\u1ed1 l\u1ed7i, quy\u1ebft \u0111\u1ecbnh accept\/reject.<\/p>\n<h2 id=\"toc-1-buoc-1-kiem-tra-ho-so-chung-chi\"><span class=\"ez-toc-section\" id=\"Buoc_1_Kiem_tra_ho_so_%E2%80%93_chung_chi\"><\/span>B\u01b0\u1edbc 1: Ki\u1ec3m tra h\u1ed3 s\u01a1 \u2013 ch\u1ee9ng ch\u1ec9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; T\u00e0i li\u1ec7u c\u1ea7n c\u00f3:<br \/>\n  &#8211; H\u00f3a \u0111\u01a1n\/packing list, phi\u1ebfu giao h\u00e0ng, CO (n\u1ebfu y\u00eau c\u1ea7u).<br \/>\n  &#8211; Mill Test Certificate (MTC) theo EN 10204 Type 3.1: ghi r\u00f5 ti\u00eau chu\u1ea9n (ASTM\/JIS\/EN), m\u00e1c th\u00e9p, heat number, th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh, k\u1ebft qu\u1ea3 th\u1eed b\u1ed5 sung (hydrotest, UT, NDT).<br \/>\n  &#8211; Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng: v\u00ed d\u1ee5 ASTM A240\/A480 cho t\u1ea5m; ASTM A312 cho \u1ed1ng; ASTM A276\/A484 cho thanh; ASTM A403 cho ph\u1ee5 ki\u1ec7n.<br \/>\n&#8211; \u0110\u1ed1i chi\u1ebfu:<br \/>\n  &#8211; PO\/spec vs MTC: m\u00e1c (304\/304L\/316\/201\/430&#8230;), ti\u00eau chu\u1ea9n, k\u00edch th\u01b0\u1edbc, b\u1ec1 m\u1eb7t, y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m.<br \/>\n  &#8211; Traceability: heat\/lot tr\u00ean MTC ph\u1ea3i tr\u00f9ng nh\u00e3n h\u00e0ng v\u00e0 \u0111\u00f3ng d\u1ea5u\/kh\u1eafc tr\u00ean v\u1eadt t\u01b0 (khi c\u00f3).<br \/>\n&#8211; L\u01b0u \u00fd ph\u00e1p l\u00fd\/tu\u00e2n th\u1ee7: RoHS\/REACH n\u1ebfu d\u1ef1 \u00e1n y\u00eau c\u1ea7u; ki\u1ec3m tra ghi ch\u00fa v\u1ec1 Pb, Cd, Hg.<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o: EN 10204:2004; ASTM A240\/A480, A312, A276, A484 (ASTM International).<\/p>\n<h2 id=\"toc-2-buoc-2-doi-chieu-quy-cach-dung-sai-trong-luong\"><span class=\"ez-toc-section\" id=\"Buoc_2_Doi_chieu_quy_cach_%E2%80%93_dung_sai_%E2%80%93_trong_luong\"><\/span>B\u01b0\u1edbc 2: \u0110\u1ed1i chi\u1ebfu quy c\u00e1ch \u2013 dung sai \u2013 tr\u1ecdng l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; K\u00edch th\u01b0\u1edbc:<br \/>\n  &#8211; D\u00f9ng th\u01b0\u1edbc cu\u1ed9n chu\u1ea9n, panme\/micrometer 0.01 mm, th\u01b0\u1edbc c\u1eb7p, \u0111\u1ed3ng h\u1ed3 so.<br \/>\n  &#8211; So v\u1edbi dung sai ti\u00eau chu\u1ea9n (v\u00ed d\u1ee5 ASTM A480 cho t\u1ea5m\/coil; ASTM A484 cho thanh; ASTM A999\/A312 cho \u1ed1ng \u2013 \u0111\u1ed9 d\u00e0y, \u0111\u01b0\u1eddng k\u00ednh, \u0111\u1ed9 \u00f4van).<br \/>\n&#8211; Tr\u1ecdng l\u01b0\u1ee3ng tham chi\u1ebfu:<br \/>\n  &#8211; T\u1ea5m: Kh\u1ed1i l\u01b0\u1ee3ng (kg) \u2248 7.93 \u00d7 T(mm) \u00d7 W(m) \u00d7 L(m) v\u1edbi 304\/316 (\u03c1 \u2248 7930 kg\/m\u00b3).<br \/>\n  &#8211; Thanh tr\u00f2n: Kg\/m \u2248 0.00622 \u00d7 d(mm)\u00b2 \u00d7 (\u03c1\/7.93).<br \/>\n  &#8211; \u1ed0ng: Kg\/m \u2248 0.02507 \u00d7 (OD(mm) \u2212 WT(mm)) \u00d7 WT(mm) cho 304\/316.<br \/>\n  &#8211; Sai l\u1ec7ch tr\u1ecdng l\u01b0\u1ee3ng c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u \u0111\u1ed9 d\u00e0y thi\u1ebfu ho\u1eb7c sai m\u00e1c\/density.<br \/>\n&#8211; M\u1eb9o th\u1ef1c t\u1ebf: ki\u1ec3m 3\u20135 \u0111i\u1ec3m\/\u1ea5m, 8\u201312 \u0111i\u1ec3m\/cu\u1ed9n; ghi min\/avg\/max.<\/p>\n<p>Ngu\u1ed3n: ASTM A480\/A480M; ASTM A999; datasheet Outokumpu Stainless Steel Handbook (m\u1eadt \u0111\u1ed9).<\/p>\n<h2 id=\"toc-3-buoc-3-kiem-tra-be-mat-va-cap-hoan-thien\"><span class=\"ez-toc-section\" id=\"Buoc_3_Kiem_tra_be_mat_va_cap_hoan_thien\"><\/span>B\u01b0\u1edbc 3: Ki\u1ec3m tra b\u1ec1 m\u1eb7t v\u00e0 c\u1ea5p ho\u00e0n thi\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; X\u00e1c nh\u1eadn c\u1ea5p ho\u00e0n thi\u1ec7n: 2B (c\u00e1n ngu\u1ed9i, m\u1ecbn), BA (b\u00f3ng g\u01b0\u01a1ng), No.1 (c\u00e1n n\u00f3ng), No.4\/HL (x\u01b0\u1edbc hairline).<br \/>\n&#8211; Quan s\u00e1t b\u1eb1ng \u0111\u00e8n nghi\u00eang 45\u00b0:<br \/>\n  &#8211; X\u01b0\u1edbc, v\u1ebft c\u00e1n, r\u1ed7, bavia, n\u1ee9t l\u00f4ng ch\u00e2n chim, l\u1eabn h\u1ea1t s\u1ea1n, v\u1ebft ch\u00e1y m\u00e0i.<br \/>\n  &#8211; V\u1ebft g\u1ec9 n\u00e2u\/cam (contamination t\u1eeb th\u00e9p carbon).<br \/>\n&#8211; \u0110o nh\u00e1m b\u1ec1 m\u1eb7t (khi y\u00eau c\u1ea7u): Profilometer, Ra m\u1ee5c ti\u00eau \u0111i\u1ec3n h\u00ecnh:<br \/>\n  &#8211; 2B ~ 0.1\u20130.3 \u03bcm; No.4 ~ 0.3\u20130.6 \u03bcm; BA < 0.1 \u03bcm.\n- M\u00e0ng b\u1ea3o v\u1ec7 PE\/laser film: ki\u1ec3m \u0111\u1ed9 b\u00e1m, bong g\u00f3c th\u1eed; film r\u00e1ch b\u1ea9n c\u00f3 th\u1ec3 g\u00e2y x\u01b0\u1edbc kho.\n- Th\u1eed th\u1ee5 \u0111\u1ed9ng h\u00f3a (khi y\u00eau c\u1ea7u): \u0111\u1ed1i chi\u1ebfu ch\u1ee9ng nh\u1eadn ASTM A967 (passivation nitric\/citric).\n\nNgu\u1ed3n: ASTM A480 (\u0111\u1ecbnh ngh\u0129a ho\u00e0n thi\u1ec7n), ASTM A967 (passivation).\n\n\n\n<h2 id=\"toc-4-buoc-4-xac-dinh-mac-bang-pmi-xrf\"><span class=\"ez-toc-section\" id=\"Buoc_4_Xac_dinh_mac_bang_PMI_XRF\"><\/span>B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh m\u00e1c b\u1eb1ng PMI (XRF)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u00f9ng s\u00fang PMI XRF c\u1ea7m tay: qu\u00e9t t\u1ed1i thi\u1ec3u 3 \u0111i\u1ec3m\/chi ti\u1ebft, 10\u201320 \u0111i\u1ec3m\/lot; l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi qu\u00e9t.<br \/>\n&#8211; So s\u00e1nh v\u1edbi gi\u1edbi h\u1ea1n ti\u00eau chu\u1ea9n:<br \/>\n  &#8211; 304\/L: Cr 18\u201320%, Ni 8\u201310.5%, C \u2264 0.08\/0.03.<br \/>\n  &#8211; 316\/L: Cr 16\u201318%, Ni 10\u201314%, Mo 2\u20133%, C \u2264 0.08\/0.03.<br \/>\n  &#8211; 201: Cr 16\u201318%, Ni ~1\u20134.5%, Mn cao.<br \/>\n  &#8211; 430: Cr 16\u201318%, Ni g\u1ea7n 0 (ferritic).<br \/>\n&#8211; L\u01b0u \u00fd k\u1ef9 thu\u1eadt:<br \/>\n  &#8211; XRF kh\u00f3 \u0111o N; \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 PREN ho\u1eb7c ph\u00e2n bi\u1ec7t 316\/316LN, c\u1ea7n thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng ho\u1eb7c ch\u1ee9ng ch\u1ec9 l\u00f2 luy\u1ec7n.<br \/>\n  &#8211; Mo \u2248 2\u20132.5% l\u00e0 t\u00edn hi\u1ec7u \u0111\u1eb7c tr\u01b0ng 316\/316L.<br \/>\n&#8211; Quy\u1ebft \u0111\u1ecbnh nhanh:<br \/>\n  &#8211; Sai l\u1ec7ch Ni\/Mo l\u1edbn so v\u1edbi MTC \u2192 c\u00e1ch ly lot, ki\u1ec3m th\u00eam.<\/p>\n<p>Ngu\u1ed3n: ASTM A240 (th\u00e0nh ph\u1ea7n m\u00e1c); h\u01b0\u1edbng d\u1eabn PMI c\u1ee7a Hitachi\/Oxford Instruments; Outokumpu datasheets.<\/p>\n<h2 id=\"toc-5-buoc-5-thu-tu-tinh-va-phep-thu-hien-truong\"><span class=\"ez-toc-section\" id=\"Buoc_5_Thu_tu_tinh_va_phep_thu_hien_truong\"><\/span>B\u01b0\u1edbc 5: Th\u1eed t\u1eeb t\u00ednh v\u00e0 ph\u00e9p th\u1eed hi\u1ec7n tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Nam ch\u00e2m: austenitic (304\/316) nguy\u00ean tr\u1ea1ng th\u01b0\u1eddng kh\u00f4ng h\u00fat ho\u1eb7c h\u00fat r\u1ea5t y\u1ebfu; sau gia c\u00f4ng ngu\u1ed9i\/h\u00e0n c\u00f3 th\u1ec3 h\u01a1i h\u00fat. 201 c\u00f3 th\u1ec3 h\u00fat nh\u1eb9; 430 h\u00fat m\u1ea1nh. Kh\u00f4ng d\u00f9ng nam ch\u00e2m nh\u01b0 ph\u00e9p th\u1eed quy\u1ebft \u0111\u1ecbnh duy nh\u1ea5t.<br \/>\n&#8211; Dung d\u1ecbch ph\u00e1t hi\u1ec7n s\u1eaft t\u1ef1 do (copper sulfate test theo ASTM A380\/A967): d\u00f9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1eabn s\u1eaft carbon tr\u00ean b\u1ec1 m\u1eb7t, kh\u00f4ng ph\u1ea3i \u0111\u1ec3 ph\u00e2n bi\u1ec7t m\u00e1c. C\u00f3 \u0111\u1ed3ng k\u1ebft t\u1ee7a \u2192 c\u1ea7n t\u1ea9y s\u1ea1ch v\u00e0 passivation.<br \/>\n&#8211; Spark test (m\u00e0i tia l\u1eeda): ch\u1ec9 d\u00f9ng tham kh\u1ea3o x\u01b0\u1edfng; th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng \u00edt tia l\u1eeda h\u01a1n th\u00e9p carbon.<\/p>\n<p>An to\u00e0n: lu\u00f4n th\u1eed \u1edf khu v\u1ef1c ri\u00eang, \u0111eo b\u1ea3o h\u1ed9; kh\u00f4ng l\u00e0m tr\u1ea7y x\u01b0\u1edbc l\u00ean b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n.<\/p>\n<p>Ngu\u1ed3n: ASTM A380\/A967 (l\u00e0m s\u1ea1ch v\u00e0 passivation).<\/p>\n<h2 id=\"toc-6-buoc-6-kiem-tra-co-tinhdo-cung\"><span class=\"ez-toc-section\" id=\"Buoc_6_Kiem_tra_co_tinhdo_cung\"><\/span>B\u01b0\u1edbc 6: Ki\u1ec3m tra c\u01a1 t\u00ednh\/\u0111\u1ed9 c\u1ee9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u0110\u1ed9 c\u1ee9ng:<br \/>\n  &#8211; D\u1ee5ng c\u1ee5: Leeb\/UCI\/Vickers c\u1ea7m tay. Quy \u0111\u1ed5i chu\u1ea9n (HV\u2194HRB\/HRC) ch\u1ec9 tham kh\u1ea3o.<br \/>\n  &#8211; \u0110i\u1ec3n h\u00ecnh: 304 \u1ee7 m\u1ec1m HV ~140\u2013190 (HRB ~70\u201390); 316 \u1ee7 m\u1ec1m HV ~150\u2013200. 201 th\u01b0\u1eddng c\u1ee9ng h\u01a1n 304 c\u00f9ng tr\u1ea1ng th\u00e1i.<br \/>\n&#8211; C\u01a1 t\u00ednh theo MTC\/ti\u00eau chu\u1ea9n:<br \/>\n  &#8211; 304\/304L t\u1ea5m: Tensile \u2265 515 MPa, Yield \u2265 205 MPa, Elong \u2265 40% (tham chi\u1ebfu ASTM A240 \u2013 ki\u1ec3m theo MTC, kh\u00f4ng nh\u1ea5t thi\u1ebft th\u1eed k\u00e9o t\u1ea1i kho).<br \/>\n&#8211; Th\u1eed quy \u0111\u1ecbnh v\u1edbi \u1ed1ng:<br \/>\n  &#8211; Flattening\/Flaring theo ASTM A312 (\u0111\u1ea1i di\u1ec7n v\u00e0i m\u1eabu).<br \/>\n  &#8211; Hydrotest ho\u1eb7c NDT thay th\u1ebf (ph\u1ea3i c\u00f3 ghi tr\u00ean MTC\/CoC c\u1ee7a nh\u00e0 m\u00e1y).<\/p>\n<p>Khi \u0111\u1ed9 c\u1ee9ng cao b\u1ea5t th\u01b0\u1eddng tr\u00ean v\u1eadt li\u1ec7u ghi \u201cannealed\/soft\u201d, nghi ng\u1edd c\u00e1n ngu\u1ed9i qu\u00e1 m\u1ee9c ho\u1eb7c sai m\u00e1c \u2192 c\u00e1ch ly, ki\u1ec3m tra l\u1ea1i b\u1eb1ng PMI v\u00e0 x\u00e1c minh MTC.<\/p>\n<p>Ngu\u1ed3n: ASTM A240, ASTM A312.<\/p>\n<h2 id=\"toc-7-buoc-7-kiem-tra-chieu-day-do-phangthang-do-ovan\"><span class=\"ez-toc-section\" id=\"Buoc_7_Kiem_tra_chieu_day_do_phangthang_do_ovan\"><\/span>B\u01b0\u1edbc 7: Ki\u1ec3m tra chi\u1ec1u d\u00e0y, \u0111\u1ed9 ph\u1eb3ng\/th\u1eb3ng, \u0111\u1ed9 \u00f4van<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Chi\u1ec1u d\u00e0y: panme \u0111i\u1ec3m bi\u00ean v\u00e0 gi\u1eefa; v\u1edbi v\u1eadt li\u1ec7u ph\u1ee7\/film, d\u00f9ng th\u01b0\u1edbc \u0111o si\u00eau \u00e2m (UT thickness gauge) v\u00e0 tr\u1eeb l\u1edbp ph\u1ee7 (n\u1ebfu bi\u1ebft).<br \/>\n&#8211; \u0110\u1ed9 ph\u1eb3ng t\u1ea5m: \u0111\u1eb7t tr\u00ean b\u00e0n chu\u1ea9n\/khung ch\u1eef A, d\u00f9ng c\u0103n l\u00e1\/\u00eake \u0111o \u0111\u1ed9 \u0111\u1ed9i; so v\u1edbi y\u00eau c\u1ea7u d\u1ef1 \u00e1n ho\u1eb7c ASTM A480 (Flatness Tolerance).<br \/>\n&#8211; Thanh\/La\/Tr\u00f2n: ki\u1ec3m \u0111\u1ed9 th\u1eb3ng b\u1eb1ng d\u00e2y c\u0103ng\/th\u01b0\u1edbc, ghi mm l\u1ec7ch tr\u00ean m\u1ed7i m\u00e9t (mm\/m).<br \/>\n&#8211; \u1ed0ng:<br \/>\n  &#8211; \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD), chi\u1ec1u d\u00e0y (WT), \u0111\u1ed9 \u00f4van: (ODmax \u2212 ODmin)\/ODnom \u00d7 100% trong gi\u1edbi h\u1ea1n ASTM A999\/A312.<br \/>\n  &#8211; Ki\u1ec3m c\u1ea1nh c\u1eaft: vu\u00f4ng g\u00f3c, bavia, n\u1ee9t m\u00e9p.<\/p>\n<p>Ngu\u1ed3n: ASTM A480, ASTM A484, ASTM A999\/A312.<\/p>\n<h2 id=\"toc-8-buoc-8-danh-gia-moi-han-ongchi-tiet-han\"><span class=\"ez-toc-section\" id=\"Buoc_8_Danh_gia_moi_han_ongchi_tiet_han\"><\/span>B\u01b0\u1edbc 8: \u0110\u00e1nh gi\u00e1 m\u1ed1i h\u00e0n (\u1ed1ng\/chi ti\u1ebft h\u00e0n)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u1ed0ng h\u00e0n (Welded pipe\/tube):<br \/>\n  &#8211; Quan s\u00e1t: m\u1ed1i h\u00e0n \u0111\u1ec1u, kh\u00f4ng r\u1ed7 kh\u00ed, kh\u00f4ng ch\u1ea3y x\u1ec7; trong \u1ed1ng c\u00f3\/kh\u00f4ng bead tu\u1ef3 spec (bead rolled\/bead removed).<br \/>\n  &#8211; M\u00e0u nhi\u1ec7t sau pickling\/passivation ph\u1ea3i s\u1ea1ch, kh\u00f4ng v\u00e0ng\/xanh t\u00edm \u0111\u1eadm (d\u1ea5u oxy h\u00f3a).<br \/>\n  &#8211; Ferrite trong m\u1ed1i h\u00e0n austenitic: 3\u201310% l\u00e0 d\u1ea3i th\u01b0\u1eddng ch\u1ea5p nh\u1eadn (\u0111o b\u1eb1ng Ferritscope n\u1ebfu y\u00eau c\u1ea7u).<br \/>\n  &#8211; B\u1ecbt \u0111\u1ea7u v\u00e0 test \u00e1p su\u1ea5t (n\u1ebfu d\u1ef1 \u00e1n y\u00eau c\u1ea7u th\u1eed l\u1ea1i t\u1ea1i kho).<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n h\u00e0n\/\u0111\u00fac: ki\u1ec3m r\u1ed7 co, n\u1ee9t b\u1ec1 m\u1eb7t b\u1eb1ng th\u1ea9m th\u1ea5u m\u00e0u (PT).<\/p>\n<p>Ngu\u1ed3n: ASTM A312 (y\u00eau c\u1ea7u chung \u1ed1ng), th\u1ef1c h\u00e0nh PT theo ASTM E165\/E1417.<\/p>\n<h2 id=\"toc-9-buoc-9-sang-loc-khuyet-tat-an-va-thu-an-mon-chon-l\"><span class=\"ez-toc-section\" id=\"Buoc_9_Sang_loc_khuyet_tat_an_va_thu_an_mon_chon_loc_khi_can\"><\/span>B\u01b0\u1edbc 9: S\u00e0ng l\u1ecdc khuy\u1ebft t\u1eadt \u1ea9n v\u00e0 th\u1eed \u0103n m\u00f2n ch\u1ecdn l\u1ecdc (khi c\u1ea7n)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; UT (si\u00eau \u00e2m) ph\u00e1t hi\u1ec7n r\u1ed7ng, t\u00e1ch l\u1edbp tr\u00ean t\u1ea5m d\u00e0y\/thanh l\u1edbn.<br \/>\n&#8211; PT (dye penetrant) ph\u00e1t hi\u1ec7n n\u1ee9t ch\u00e2n t\u00f3c b\u1ec1 m\u1eb7t tr\u00ean t\u1ea5m BA\/No.4, v\u00f9ng h\u00e0n.<br \/>\n&#8211; \u0102n m\u00f2n h\u1ea1t (IGC) cho 304\/321 n\u1ebfu \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 450\u2013850\u00b0C: tham kh\u1ea3o ASTM A262 (Practice E \u2013 Strauss). Th\u01b0\u1eddng giao nh\u00e0 m\u00e1y th\u1ef1c hi\u1ec7n, kho ch\u1ec9 ki\u1ec3m ch\u1ee9ng ch\u1ee9ng ch\u1ec9.<br \/>\n&#8211; Kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 (pitting): PREN = %Cr + 3.3\u00d7%Mo + 16\u00d7%N. 304 th\u01b0\u1eddng ~18\u201319; 316 ~24\u201326. D\u00f9ng \u0111\u1ec3 ki\u1ec3m tra logic v\u1edbi k\u1ebft qu\u1ea3 PMI\/MTC.<\/p>\n<p>Ngu\u1ed3n: ASTM A262; Outokumpu Stainless Steel Handbook (PREN).<\/p>\n<h2 id=\"toc-10-buoc-10-dong-goi-ghi-nhan-bao-quan-va-cach-ly\"><span class=\"ez-toc-section\" id=\"Buoc_10_Dong_goi_ghi_nhan_bao_quan_va_cach_ly\"><\/span>B\u01b0\u1edbc 10: \u0110\u00f3ng g\u00f3i, ghi nh\u00e3n, b\u1ea3o qu\u1ea3n v\u00e0 c\u00e1ch ly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u0110\u00f3ng g\u00f3i:<br \/>\n  &#8211; T\u1ea5m\/coil: g\u1ed7 k\u00ea, \u0111ai th\u00e9p\/inox c\u00f3 \u0111\u1ec7m, gi\u1ea5y VCI\/PE, g\u00f3c nh\u1ef1a; c\u1ea5m ti\u1ebfp x\u00fac th\u00e9p carbon tr\u1ea7n.<br \/>\n  &#8211; \u1ed0ng: n\u1eafp ch\u1ee5p hai \u0111\u1ea7u, b\u1ecdc PE\/VCI, b\u00f3 theo size, ch\u00e8n ch\u1ed1ng va.<br \/>\n  &#8211; Ph\u1ee5 ki\u1ec7n: t\u00fai PE \u0111\u01a1n chi\u1ebfc, h\u1ed9p carton, l\u1edbp ch\u1ed1ng \u1ea9m.<br \/>\n&#8211; Ghi nh\u00e3n t\u1ed1i thi\u1ec3u: m\u00e1c (304\/316\/201\/430\u2026), ti\u00eau chu\u1ea9n (ASTM\u2026), k\u00edch th\u01b0\u1edbc, b\u1ec1 m\u1eb7t, heat\/lot, s\u1ed1 l\u01b0\u1ee3ng, nh\u00e0 s\u1ea3n xu\u1ea5t, ng\u00e0y s\u1ea3n xu\u1ea5t, s\u1ed1 PO.<br \/>\n&#8211; B\u1ea3o qu\u1ea3n kho:<br \/>\n  &#8211; Kho kh\u00f4, s\u1ea1ch, th\u00f4ng gi\u00f3; tr\u00e1nh gi\u00f3 bi\u1ec3n tr\u1ef1c ti\u1ebfp v\u00e0 ngu\u1ed3n chloride.<br \/>\n  &#8211; K\u00ea cao kh\u1ecfi s\u00e0n, kh\u00f4ng x\u1ebfp ch\u1ed3ng qu\u00e1 t\u1ea3i; FIFO theo heat\/lot.<br \/>\n  &#8211; Khu c\u00e1ch ly \u201cH\u00e0ng ch\u1edd ph\u00ea duy\u1ec7t\u201d cho l\u00f4 ch\u01b0a \u0111\u1ea1t\/\u0111ang ki\u1ec3m tra b\u1ed5 sung.<br \/>\n&#8211; X\u1eed l\u00fd b\u1ec1 m\u1eb7t nhi\u1ec5m s\u1eaft: l\u00e0m s\u1ea1ch c\u01a1 h\u1ecdc nh\u1eb9 + pickling\/passivation theo ASTM A380\/A967.<\/p>\n<h2 id=\"toc-11-phuong-phap-lay-mau-va-bieu-mau-ghi-nhan\"><span class=\"ez-toc-section\" id=\"Phuong_phap_lay_mau_va_bieu_mau_ghi_nhan\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu v\u00e0 bi\u1ec3u m\u1eabu ghi nh\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; L\u1ea5y m\u1eabu:<br \/>\n  &#8211; Theo ANSI\/ASQ Z1.4, AQL 1.0\u20132.5; n\u00eau r\u00f5 m\u1ee9c ki\u1ec3m (General II\/III).<br \/>\n  &#8211; Ch\u1ecdn ng\u1eabu nhi\u00ean theo heat\/lot, ph\u00e2n b\u1ed5 theo pallet\/bundle.<br \/>\n&#8211; Bi\u1ec3u m\u1eabu:<br \/>\n  &#8211; Th\u00f4ng tin l\u00f4: nh\u00e0 SX, ti\u00eau chu\u1ea9n, m\u00e1c, heat, quy c\u00e1ch, s\u1ed1 l\u01b0\u1ee3ng.<br \/>\n  &#8211; K\u1ebft qu\u1ea3: k\u00edch th\u01b0\u1edbc\/dung sai, tr\u1ecdng l\u01b0\u1ee3ng, b\u1ec1 m\u1eb7t, \u0111\u1ed9 c\u1ee9ng, PMI, NDT (n\u1ebfu c\u00f3).<br \/>\n  &#8211; K\u1ebft lu\u1eadn: \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t, h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c, ng\u01b0\u1eddi duy\u1ec7t, th\u1eddi \u0111i\u1ec3m.<\/p>\n<h2 id=\"toc-12-nhung-loi-thuong-gap-va-cach-tranh\"><span class=\"ez-toc-section\" id=\"Nhung_loi_thuong_gap_va_cach_tranh\"><\/span>Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u1ef1a v\u00e0o nam ch\u00e2m \u0111\u1ec3 ph\u00e2n bi\u1ec7t 201\/304 \u2192 d\u00f9ng PMI XRF v\u00e0 \u0111\u1ed1i chi\u1ebfu MTC.<br \/>\n&#8211; B\u1ecf qua ki\u1ec3m dung sai chi\u1ec1u d\u00e0y \u1edf m\u00e9p t\u1ea5m\/\u1ed1ng \u2192 \u0111o nhi\u1ec1u \u0111i\u1ec3m, c\u1ea3 m\u00e9p v\u00e0 gi\u1eefa.<br \/>\n&#8211; Kh\u00f4ng ki\u1ec3m bao g\u00f3i\/film \u2192 x\u01b0\u1edbc b\u1ec1 m\u1eb7t khi di chuy\u1ec3n n\u1ed9i b\u1ed9.<br \/>\n&#8211; Kh\u00f4ng c\u00e1ch ly v\u1eadt t\u01b0 nghi v\u1ea5n \u2192 nhi\u1ec5m ch\u00e9o to\u00e0n kho. Thi\u1ebft l\u1eadp khu c\u00e1ch ly v\u00e0 quy tr\u00ecnh NCR.<br \/>\n&#8211; Kh\u00f4ng truy xu\u1ea5t heat\/lot khi c\u1eaft chia \u2192 b\u1eaft bu\u1ed9c ghi d\u1ea5u\/tem ph\u1ee5 tr\u00ean t\u1eebng \u0111o\u1ea1n.<\/p>\n<h2 id=\"toc-13-vi-du-ap-dung-nhanh-case-ong-316l-dn50\"><span class=\"ez-toc-section\" id=\"Vi_du_ap_dung_nhanh_case_ong_316L_DN50\"><\/span>V\u00ed d\u1ee5 \u00e1p d\u1ee5ng nhanh (case \u1ed1ng 316L DN50)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u1ed3 s\u01a1: MTC 3.1 \u2013 ASTM A312 TP316L, hydrotest OK, heat 8XXXXX.<br \/>\n&#8211; Quy c\u00e1ch: OD 60.33 mm, WT 3.91 mm, L 6 m; \u0111o OD 60.30\u201360.38 (ovality 0.13%), WT 3.86\u20133.93 mm.<br \/>\n&#8211; PMI: Cr 16.8\u201317.2%, Ni 11.1\u201311.6%, Mo 2.20\u20132.35% \u2192 ph\u00f9 h\u1ee3p 316L.<br \/>\n&#8211; \u0110\u1ed9 c\u1ee9ng UCI: HV 165\u2013178 \u2192 trong d\u1ea3i \u1ee7 m\u1ec1m.<br \/>\n&#8211; M\u1ed1i h\u00e0n: bead \u0111\u1ec1u, kh\u00f4ng r\u1ed7; PT \u00e2m t\u00ednh.<br \/>\n&#8211; Tr\u1ecdng l\u01b0\u1ee3ng: 0.02507\u00d7(60.33\u22123.91)\u00d73.91 \u2248 5.50 kg\/m \u2192 c\u00e2n th\u1ef1c t\u1ebf 5.47\u20135.55 kg\/m.<br \/>\n&#8211; K\u1ebft lu\u1eadn: \u0111\u1ea1t; d\u00e1n nh\u00e3n, nh\u1eadp kho.<\/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 International: ASTM A240\/A240M, A480\/A480M (t\u1ea5m); ASTM A312\/A312M, A999 (\u1ed1ng); ASTM A276, A484 (thanh); ASTM A403 (ph\u1ee5 ki\u1ec7n); ASTM A380 &#038; A967 (l\u00e0m s\u1ea1ch\/passivation); ASTM A262 (IGC).<br \/>\n&#8211; EN 10204:2004 \u2013 Metallic products: Types of inspection documents (MTC 3.1).<br \/>\n&#8211; Outokumpu Stainless Steel Handbook &#038; Datasheets (th\u00e0nh ph\u1ea7n, m\u1eadt \u0111\u1ed9, PREN).<br \/>\n&#8211; ANSI\/ASQ Z1.4 \u2013 Sampling Procedures and Tables for Inspection by Attributes.<\/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>\u00c1p d\u1ee5ng k\u1ef7 lu\u1eadt \u201c10 b\u01b0\u1edbc ki\u1ec3m tra tr\u01b0\u1edbc nh\u1eadp kho\u201d gi\u00fap b\u1ea1n lo\u1ea1i b\u1ecf v\u1eadt t\u01b0 sai m\u00e1c, thi\u1ebfu dung sai v\u00e0 l\u1ed7i b\u1ec1 m\u1eb7t ngay t\u1ea1i c\u1ed5ng kho, b\u1ea3o v\u1ec7 ti\u1ebfn \u0111\u1ed9 v\u00e0 chi ph\u00ed. Tr\u1ecdng t\u00e2m l\u00e0: x\u00e1c th\u1ef1c h\u1ed3 s\u01a1 (MTC 3.1), ki\u1ec3m quy c\u00e1ch\u2013dung sai\u2013tr\u1ecdng l\u01b0\u1ee3ng, x\u00e1c nh\u1eadn m\u00e1c b\u1eb1ng PMI, so\u00e1t b\u1ec1 m\u1eb7t\u2013\u0111\u1ed9 c\u1ee9ng\u2013m\u1ed1i h\u00e0n, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 \u0111\u00f3ng g\u00f3i\u2013ghi nh\u00e3n\u2013b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch. Khi c\u1ea7n \u0111\u1ed9 tin c\u1eady cao h\u01a1n, b\u1ed5 sung NDT v\u00e0 th\u1eed \u0103n m\u00f2n theo y\u00eau c\u1ea7u d\u1ef1 \u00e1n. Bi\u1ebfn checklist n\u00e0y th\u00e0nh SOP n\u1ed9i b\u1ed9, g\u1eafn v\u1edbi AQL l\u1ea5y m\u1eabu v\u00e0 bi\u1ec3u m\u1eabu truy xu\u1ea5t heat\/lot, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng IQC inox v\u1eefng ch\u1eafc, gi\u1ea3m r\u1ee7i ro \u0111\u1ebfn m\u1ee9c t\u1ed1i thi\u1ec3u.<\/p>\n<p>C\u1ea7n b\u1ed9 checklist theo m\u1eabu, t\u01b0 v\u1ea5n d\u1ee5ng c\u1ee5 (PMI, \u0111\u1ed9 c\u1ee9ng, UT) v\u00e0 b\u00e1o gi\u00e1 inox 201\/304\/316\/430 \u0111\u1ea1t chu\u1ea9n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 nh\u1eadn gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Checklist 10 b\u01b0\u1edbc ki\u1ec3m tra Inox tr\u01b0\u1edbc khi nh\u1eadp kho: h\u1ed3 s\u01a1 MTC 3.1, quy c\u00e1ch\u2013dung sai, PMI XRF, \u0111\u1ed9 c\u1ee9ng, chi\u1ec1u d\u00e0y, b\u1ec1 m\u1eb7t, m\u1ed1i h\u00e0n, NDT, \u0111\u00f3ng g\u00f3i\u2013ghi nh\u00e3n.<\/p>\n","protected":false},"author":7,"featured_media":1007,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2424","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\/2424","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=2424"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2424\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1007"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}