{"id":2532,"date":"2026-09-05T00:33:59","date_gmt":"2026-09-04T17:33:59","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/"},"modified":"2026-09-05T00:33:59","modified_gmt":"2026-09-04T17:33:59","slug":"inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/","title":{"rendered":"Inox 304L v\u00e0 304H: Kh\u00e1i ni\u1ec7m, kh\u00e1c bi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng so v\u1edbi 304"},"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;2532&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;Inox 304L v\u00e0 304H: Kh\u00e1i ni\u1ec7m, kh\u00e1c bi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng so v\u1edbi 304&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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Tong_quan_nhanh_ve_ho_Inox_304_188\" >T\u1ed5ng quan nhanh v\u1ec1 h\u1ecd Inox 304 (18\/8)<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Thanh_phan_hoa_hoc_khac_biet_cot_loi\" >Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc: kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Co_tinh_va_hanh_vi_theo_nhiet_do\" >C\u01a1 t\u00ednh v\u00e0 h\u00e0nh vi theo nhi\u1ec7t \u0111\u1ed9<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Chong_an_mon_sau_han_nuoc_chloride\" >Ch\u1ed1ng \u0103n m\u00f2n: sau h\u00e0n, n\u01b0\u1edbc, chloride<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#304_vs_304L_vs_304H_chon_mac_nao_cho_du_an\" >304 vs 304L vs 304H: ch\u1ecdn m\u00e1c n\u00e0o cho d\u1ef1 \u00e1n?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Ma_tran_lua_chon_nhanh\" >Ma tr\u1eadn l\u1ef1a ch\u1ecdn nhanh<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Gia_cong_han_va_vat_lieu_di_kem\" >Gia c\u00f4ng, h\u00e0n v\u00e0 v\u1eadt li\u1ec7u \u0111i k\u00e8m<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Dang_san_pham_tieu_chuan_va_kiem_dinh\" >D\u1ea1ng s\u1ea3n ph\u1ea9m, ti\u00eau chu\u1ea9n v\u00e0 ki\u1ec3m \u0111\u1ecbnh<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Ung_dung_dien_hinh_tai_Viet_Nam\" >\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh t\u1ea1i Vi\u1ec7t Nam<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Chi_phi_va_kha_nang_cung_ung\" >Chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng cung \u1ee9ng<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Tom_tat_thong_so_nhanh\" >T\u00f3m t\u1eaft th\u00f4ng s\u1ed1 nhanh<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Luu_y_ky_thuat_khi_dat_hang\" >L\u01b0u \u00fd k\u1ef9 thu\u1eadt khi \u0111\u1eb7t h\u00e0ng<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#Nguon_tham_khao\" >Ngu\u1ed3n tham kh\u1ea3o<\/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\/inox-304l-va-304h-khai-niem-khac-biet-va-ung-dung-so-voi-304\/#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-tong-quan-nhanh-ve-ho-inox-304-188\">T\u1ed5ng quan nhanh v\u1ec1 h\u1ecd Inox 304 (18\/8)<\/a><\/li>\n<li><a href=\"#toc-1-thanh-phan-hoa-hoc-khac-biet-cot-loi\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc: kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i<\/a><\/li>\n<li><a href=\"#toc-2-co-tinh-va-hanh-vi-theo-nhiet-do\">C\u01a1 t\u00ednh v\u00e0 h\u00e0nh vi theo nhi\u1ec7t \u0111\u1ed9<\/a><\/li>\n<li><a href=\"#toc-3-chong-an-mon-sau-han-nuoc-chloride\">Ch\u1ed1ng \u0103n m\u00f2n: sau h\u00e0n, n\u01b0\u1edbc, chloride<\/a><\/li>\n<li><a href=\"#toc-4-304-vs-304l-vs-304h-chon-mac-nao-cho-du-an\">304 vs 304L vs 304H: ch\u1ecdn m\u00e1c n\u00e0o cho d\u1ef1 \u00e1n?<\/a><\/li>\n<li><a href=\"#toc-5-gia-cong-han-va-vat-lieu-di-kem\">Gia c\u00f4ng, h\u00e0n v\u00e0 v\u1eadt li\u1ec7u \u0111i k\u00e8m<\/a><\/li>\n<li><a href=\"#toc-6-dang-san-pham-tieu-chuan-va-kiem-dinh\">D\u1ea1ng s\u1ea3n ph\u1ea9m, ti\u00eau chu\u1ea9n v\u00e0 ki\u1ec3m \u0111\u1ecbnh<\/a><\/li>\n<li><a href=\"#toc-7-ung-dung-dien-hinh-tai-viet-nam\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh t\u1ea1i Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-8-chi-phi-va-kha-nang-cung-ung\">Chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng cung \u1ee9ng<\/a><\/li>\n<li><a href=\"#toc-9-tom-tat-thong-so-nhanh\">T\u00f3m t\u1eaft th\u00f4ng s\u1ed1 nhanh<\/a><\/li>\n<li><a href=\"#toc-10-luu-y-ky-thuat-khi-dat-hang\">L\u01b0u \u00fd k\u1ef9 thu\u1eadt khi \u0111\u1eb7t h\u00e0ng<\/a><\/li>\n<li><a href=\"#toc-11-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox 304L v\u00e0 304H l\u00e0 hai bi\u1ebfn th\u1ec3 c\u1ee7a m\u00e1c inox austenitic 304 (18\/8 Cr-Ni) r\u1ea5t ph\u1ed5 bi\u1ebfn trong ch\u1ebf t\u1ea1o c\u01a1 kh\u00ed v\u00e0 c\u00f4ng nghi\u1ec7p. \u0110i\u1ec3m m\u1ea5u ch\u1ed1t: 304L gi\u1ea3m carbon \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n sau h\u00e0n; 304H t\u0103ng carbon \u0111\u1ec3 t\u0103ng b\u1ec1n nhi\u1ec7t \u0111\u1ed9 cao. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch r\u00f5 \u201c304L\/304H l\u00e0 g\u00ec\u201d, ch\u00fang kh\u00e1c 304 ti\u00eau chu\u1ea9n ra sao, v\u00e0 khi n\u00e0o n\u00ean ch\u1ecdn t\u1eebng m\u00e1c cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<h2 id=\"toc-0-tong-quan-nhanh-ve-ho-inox-304-188\"><span class=\"ez-toc-section\" id=\"Tong_quan_nhanh_ve_ho_Inox_304_188\"><\/span>T\u1ed5ng quan nhanh v\u1ec1 h\u1ecd Inox 304 (18\/8)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u1ec7 kim: Austenitic Cr-Ni, kh\u00f4ng nhi\u1ec5m t\u1eeb \u1edf tr\u1ea1ng th\u00e1i \u1ee7, gia c\u00f4ng ngu\u1ed9i c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9.<br \/>\n&#8211; K\u00fd hi\u1ec7u\/chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng:<br \/>\n  &#8211; 304: UNS S30400, EN 1.4301, JIS SUS304.<br \/>\n  &#8211; 304L: UNS S30403, EN 1.4307, JIS SUS304L.<br \/>\n  &#8211; 304H: UNS S30409, EN 1.4948 (d\u00f9ng cho nhi\u1ec7t \u0111\u1ed9 cao), JIS SUS304H.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m ph\u1ed5 bi\u1ebfn: ASTM\/ASME A240 (t\u1ea5m), A312 (\u1ed1ng h\u00e0n\/\u0111\u00fac), A276 (thanh), EN 10088 (ch\u00e2u \u00c2u), JIS G4304\/G4305 (Nh\u1eadt).<\/p>\n<h2 id=\"toc-1-thanh-phan-hoa-hoc-khac-biet-cot-loi\"><span class=\"ez-toc-section\" id=\"Thanh_phan_hoa_hoc_khac_biet_cot_loi\"><\/span>Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc: kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 304 (chu\u1ea9n): C \u22640,08%; Cr ~18\u201320%; Ni ~8\u201311%; Mn \u22642%; Si \u22641%; P \u22640,045%; S \u22640,03%; N \u22640,10%.<br \/>\n&#8211; 304L (Low carbon): C \u22640,03% (th\u1ea5p h\u01a1n 304). Cr, Ni t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304 (Ni c\u00f3 th\u1ec3 r\u1ed9ng h\u01a1n, ~8\u201312% t\u00f9y ti\u00eau chu\u1ea9n).<br \/>\n&#8211; 304H (High carbon): C ~0,04\u20130,10% (cao h\u01a1n 304). Cr ~18\u201320%; Ni ~8\u201311%.<br \/>\nH\u00e0m l\u01b0\u1ee3ng carbon l\u00e0 \u201cn\u00fat \u0111i\u1ec1u ch\u1ec9nh\u201d ch\u00ednh:<br \/>\n&#8211; Gi\u1ea3m C (304L) \u2192 Gi\u1ea3m t\u1ea1o carbide Cr23C6 \u1edf ranh gi\u1edbi h\u1ea1t \u2192 Ch\u1ed1ng nh\u1ea1y c\u1ea3m sau h\u00e0n, gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n k\u1ebd h\u1ea1t.<br \/>\n&#8211; T\u0103ng C (304H) \u2192 T\u0103ng b\u1ec1n ch\u1ea3y\/\u0111\u1ed9 b\u1ec1n r\u00e3o \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u2192 D\u00f9ng cho thi\u1ebft b\u1ecb ch\u1ecbu nhi\u1ec7t li\u00ean t\u1ee5c.<\/p>\n<p>Ngu\u1ed3n: ASTM A240\/A240M; EN 10088-1.<\/p>\n<h2 id=\"toc-2-co-tinh-va-hanh-vi-theo-nhiet-do\"><span class=\"ez-toc-section\" id=\"Co_tinh_va_hanh_vi_theo_nhiet_do\"><\/span>C\u01a1 t\u00ednh v\u00e0 h\u00e0nh vi theo nhi\u1ec7t \u0111\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng (tham kh\u1ea3o ASTM A240):<br \/>\n&#8211; 304: Rm t\u1ed1i thi\u1ec3u ~515 MPa; Rp0,2 ~205 MPa; \u0111\u1ed9 gi\u00e3n d\u00e0i ~40%.<br \/>\n&#8211; 304L: Rm t\u1ed1i thi\u1ec3u ~485 MPa; Rp0,2 ~170 MPa; \u0111\u1ed9 gi\u00e3n d\u00e0i ~40% (nh\u1ecf h\u01a1n 304 do C th\u1ea5p).<br \/>\n&#8211; 304H: T\u1ed1i thi\u1ec3u th\u01b0\u1eddng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, nh\u01b0ng \u0111i\u1ec3m m\u1ea1nh l\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<p>\u1ede nhi\u1ec7t \u0111\u1ed9 cao:<br \/>\n&#8211; 304H \u0111\u01b0\u1ee3c ASME c\u1ea5p \u1ee9ng su\u1ea5t cho ph\u00e9p (allowable stress) cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi 304\/304L khi >525\u00b0C, nh\u1edd h\u00e0m l\u01b0\u1ee3ng C cao (ph\u1ee5c v\u1ee5 t\u00ednh to\u00e1n b\u1ec1n r\u00e3o\/creep).<br \/>\n&#8211; 304\/304L c\u00f3 th\u1ec3 b\u1ecb suy gi\u1ea3m b\u1ec1n r\u00e3o; 304L \u0111\u1eb7c bi\u1ec7t kh\u00f4ng ph\u1ea3i l\u1ef1a ch\u1ecdn cho d\u1ecbch v\u1ee5 d\u00e0i h\u1ea1n tr\u00ean 500\u2013525\u00b0C.<br \/>\n&#8211; Kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a kh\u00f4ng kh\u00ed: c\u00e1c bi\u1ebfn th\u1ec3 304 n\u00f3i chung l\u00e0m vi\u1ec7c t\u1ed1t \u0111\u1ebfn ~870\u00b0C (li\u00ean t\u1ee5c) v\u1ec1 m\u1eb7t ch\u1ed1ng oxy h\u00f3a, nh\u01b0ng l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf ch\u1ecbu t\u1ea3i d\u00e0i h\u1ea1n c\u1ea7n 304H.<\/p>\n<p>Ngu\u1ed3n: ASME BPVC Section II-D; SSINA\/Outokumpu datasheets.<\/p>\n<h2 id=\"toc-3-chong-an-mon-sau-han-nuoc-chloride\"><span class=\"ez-toc-section\" id=\"Chong_an_mon_sau_han_nuoc_chloride\"><\/span>Ch\u1ed1ng \u0103n m\u00f2n: sau h\u00e0n, n\u01b0\u1edbc, chloride<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc\/kh\u00ed quy\u1ec3n trung t\u00ednh: 304\/304L\/304H \u0111\u1ec1u t\u1ed1t; 304L v\u01b0\u1ee3t tr\u1ed9i sau h\u00e0n nh\u1edd \u00edt nh\u1ea1y c\u1ea3m \u0103n m\u00f2n k\u1ebd h\u1ea1t (sensitization) trong d\u1ea3i 450\u2013850\u00b0C.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng chloride (n\u01b0\u1edbc mu\u1ed1i, n\u01b0\u1edbc bi\u1ec3n, h\u00f3a ch\u1ea5t Cl\u2212):<br \/>\n  &#8211; 304\/304L\/304H c\u00f3 PREN ~18\u201319 \u2192 D\u1ec5 b\u1ecb r\u1ed7\/khe (pitting\/crevice) khi Cl\u2212 cao v\u00e0\/ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 >30\u201360\u00b0C. Khi Cl\u2212 \u0111\u00e1ng k\u1ec3 ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao, c\u00e2n nh\u1eafc 316\/316L (c\u00f3 Mo, PREN ~23\u201325).<br \/>\n&#8211; \u0102n m\u00f2n \u1ee9ng su\u1ea5t trong chloride n\u00f3ng: h\u1ecd 304 d\u1ec5 b\u1ecb SCC khi >60\u00b0C; gi\u1ea3m \u1ee9ng su\u1ea5t d\u01b0 v\u00e0 thi\u1ebft k\u1ebf h\u1ee3p l\u00fd l\u00e0 r\u1ea5t quan tr\u1ecdng.<br \/>\n&#8211; Sau h\u00e0n: 304L g\u1ea7n nh\u01b0 \u201cchu\u1ea9n m\u1eb7c \u0111\u1ecbnh\u201d cho k\u1ebft c\u1ea5u h\u00e0n d\u00e0y v\u00ec ch\u1ed1ng nh\u1ea1y c\u1ea3m; 304\/304H c\u00f3 th\u1ec3 c\u1ea7n \u1ee7 dung d\u1ecbch ho\u1eb7c d\u00f9ng que \u1ed5n \u0111\u1ecbnh h\u00f3a (347) n\u1ebfu lo \u0103n m\u00f2n k\u1ebd h\u1ea1t.<\/p>\n<p>Ngu\u1ed3n: Outokumpu Stainless Steel Handbook; AZoM; SSINA.<\/p>\n<h2 id=\"toc-4-304-vs-304l-vs-304h-chon-mac-nao-cho-du-an\"><span class=\"ez-toc-section\" id=\"304_vs_304L_vs_304H_chon_mac_nao_cho_du_an\"><\/span>304 vs 304L vs 304H: ch\u1ecdn m\u00e1c n\u00e0o cho d\u1ef1 \u00e1n?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ch\u1ecdn 304 khi:<br \/>\n  &#8211; K\u1ebft c\u1ea5u kh\u00f4ng ho\u1eb7c \u00edt h\u00e0n, \u0111\u1ed9 d\u00e0y m\u1ecfng\/trung b\u00ecnh.<br \/>\n  &#8211; M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n kh\u00f4ng kh\u1eafc nghi\u1ec7t (kh\u00ed quy\u1ec3n, n\u01b0\u1edbc s\u1ea1ch, th\u1ef1c ph\u1ea9m kh\u00f4ng ch\u1ee9a chloride cao).<br \/>\n  &#8211; C\u00e2n b\u1eb1ng chi ph\u00ed\/c\u01a1 t\u00ednh\/\u0111\u1ed9 s\u1eb5n c\u00f3.<br \/>\n&#8211; Ch\u1ecdn 304L khi:<br \/>\n  &#8211; C\u00f3 nhi\u1ec1u m\u1ed1i h\u00e0n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 d\u00e0y l\u1edbn (\u1ed1ng, b\u1ed3n, khung k\u1ebft c\u1ea5u), mu\u1ed1n \u201ch\u00e0n xong d\u00f9ng ngay\u201d m\u00e0 kh\u00f4ng \u1ee7.<br \/>\n  &#8211; Y\u00eau c\u1ea7u h\u1ea1n ch\u1ebf \u0103n m\u00f2n k\u1ebd h\u1ea1t sau h\u00e0n trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc\/qu\u00e1 tr\u00ecnh CIP.<br \/>\n  &#8211; Kh\u00f4ng l\u00e0m vi\u1ec7c t\u1ea3i tr\u1ecdng d\u00e0i h\u1ea1n tr\u00ean ~500\u00b0C.<br \/>\n&#8211; Ch\u1ecdn 304H khi:<br \/>\n  &#8211; Thi\u1ebft b\u1ecb ch\u1ecbu nhi\u1ec7t li\u00ean t\u1ee5c >525\u00b0C (theo thi\u1ebft k\u1ebf ASME) nh\u01b0 \u1ed1ng qu\u00e1 nhi\u1ec7t, \u1ed1ng l\u00f2, radiant tubes, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t v\u00f9ng n\u00f3ng.<br \/>\n  &#8211; C\u1ea7n \u1ee9ng su\u1ea5t cho ph\u00e9p\/kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e3o cao h\u01a1n.<br \/>\n  &#8211; Ch\u1ea5p nh\u1eadn qu\u1ea3n l\u00fd r\u1ee7i ro nh\u1ea1y c\u1ea3m \u0103n m\u00f2n k\u1ebd h\u1ea1t (ch\u1ecdn que h\u00e0n\/bi\u1ec7n ph\u00e1p x\u1eed l\u00fd ph\u00f9 h\u1ee3p).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ma_tran_lua_chon_nhanh\"><\/span>Ma tr\u1eadn l\u1ef1a ch\u1ecdn nhanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c li\u00ean t\u1ee5c >525\u00b0C: 304H.<br \/>\n&#8211; K\u1ebft c\u1ea5u h\u00e0n d\u00e0y trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc\/kh\u00ed quy\u1ec3n: 304L.<br \/>\n&#8211; D\u1ecbch v\u1ee5 ph\u1ed5 th\u00f4ng, \u00edt h\u00e0n, chi ph\u00ed t\u1ed1i \u01b0u: 304.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng chloride \u0111\u00e1ng k\u1ec3: xem x\u00e9t 316\/316L thay v\u00ec h\u1ecd 304.<\/p>\n<h2 id=\"toc-5-gia-cong-han-va-vat-lieu-di-kem\"><span class=\"ez-toc-section\" id=\"Gia_cong_han_va_vat_lieu_di_kem\"><\/span>Gia c\u00f4ng, h\u00e0n v\u00e0 v\u1eadt li\u1ec7u \u0111i k\u00e8m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00e0n: TIG\/MIG\/SMAW \u0111\u1ec1u t\u1ed1t. 304L d\u1ec5 h\u00e0n nh\u1ea5t v\u1ec1 ch\u1ed1ng nh\u1ea1y c\u1ea3m.<br \/>\n&#8211; V\u1eadt li\u1ec7u h\u00e0n khuy\u1ebfn ngh\u1ecb:<br \/>\n  &#8211; 304\/304L: ER\/E308L ho\u1eb7c 308L (\u01b0u ti\u00ean L \u0111\u1ec3 gi\u1ea3m C trong m\u1ed1i h\u00e0n).<br \/>\n  &#8211; 304H, d\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 cao: ER\/E308H; c\u00f3 th\u1ec3 d\u00f9ng 347 (Nb-stabilized) \u0111\u1ec3 gi\u1ea3m nh\u1ea1y c\u1ea3m.<br \/>\n&#8211; X\u1eed l\u00fd sau h\u00e0n:<br \/>\n  &#8211; T\u1ea9y r\u1eeda \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a (pickling &#038; passivation) kh\u00f4i ph\u1ee5c l\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3.<br \/>\n  &#8211; V\u1edbi 304\/304H trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n nh\u1ea1y c\u1ea3m: c\u00e2n nh\u1eafc \u1ee7 dung d\u1ecbch (solution anneal) v\u00e0 t\u00f4i n\u01b0\u1edbc n\u1ebfu kh\u1ea3 thi.<\/p>\n<h2 id=\"toc-6-dang-san-pham-tieu-chuan-va-kiem-dinh\"><span class=\"ez-toc-section\" id=\"Dang_san_pham_tieu_chuan_va_kiem_dinh\"><\/span>D\u1ea1ng s\u1ea3n ph\u1ea9m, ti\u00eau chu\u1ea9n v\u00e0 ki\u1ec3m \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u1ea1ng: t\u1ea5m\/coil (0,5\u201350 mm), \u1ed1ng h\u00e0n\/\u0111\u00fac (SCH10\/40\/80), thanh tr\u00f2n\/vu\u00f4ng\/l\u1ee5c gi\u00e1c, l\u00e1p.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n: ASTM A240 (t\u1ea5m), A312 (\u1ed1ng), A269 (\u1ed1ng d\u1ee5ng c\u1ee5), A276 (thanh), EN 10088, JIS G4304\/G4305.<br \/>\n&#8211; Ki\u1ec3m \u0111\u1ecbnh: Ch\u1ee9ng ch\u1ec9 MTC 3.1 (EN 10204) n\u00eau r\u00f5 m\u00e1c\/UNS, th\u00e0nh ph\u1ea7n C.<br \/>\n&#8211; Nh\u1eadn di\u1ec7n:<br \/>\n  &#8211; 304L: C \u0111o \u0111\u01b0\u1ee3c \u22640,03% tr\u00ean MTC.<br \/>\n  &#8211; 304H: C n\u1eb1m 0,04\u20130,10% v\u00e0 th\u01b0\u1eddng ghi \u201cHigh carbon\u201d ho\u1eb7c UNS S30409.<\/p>\n<h2 id=\"toc-7-ung-dung-dien-hinh-tai-viet-nam\"><span class=\"ez-toc-section\" id=\"Ung_dung_dien_hinh_tai_Viet_Nam\"><\/span>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh t\u1ea1i Vi\u1ec7t Nam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 304: b\u1ed3n n\u01b0\u1edbc, thang \u2013 lan can, thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp c\u00f4ng nghi\u1ec7p, v\u1ecf m\u00e1y, \u1ed1ng d\u1eabn kh\u00ed, m\u00e1ng c\u00e1p.<br \/>\n&#8211; 304L: b\u1ed3n tr\u1ed9n \u2013 b\u1ed3n ch\u1ee9a th\u1ef1c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng \u00edt chloride, \u0111\u01b0\u1eddng \u1ed1ng h\u00e0n nh\u00e0 m\u00e1y d\u01b0\u1ee3c \u2013 \u0111\u1ed3 u\u1ed1ng \u2013 RO\/DI, khung \u2013 s\u01b0\u1eddn h\u00e0n d\u00e0y.<br \/>\n&#8211; 304H: \u1ed1ng qu\u00e1 nhi\u1ec7t l\u00f2 h\u01a1i, \u1ed1ng l\u00f2 gia nhi\u1ec7t, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t v\u00f9ng n\u00f3ng, thi\u1ebft b\u1ecb l\u1ecdc \u2013 cracking trong nh\u00e0 m\u00e1y l\u1ecdc h\u00f3a d\u1ea7u.<br \/>\nL\u01b0u \u00fd: Quy tr\u00ecnh c\u00f3 chloride cao (n\u01b0\u1edbc bi\u1ec3n, n\u01b0\u1edbc m\u1eafm, mu\u1ed1i, t\u1ea9y r\u1eeda Cl\u2212 n\u00f3ng) n\u00ean c\u00e2n nh\u1eafc 316\/316L \u0111\u1ec3 tr\u00e1nh r\u1ed7\/khe.<\/p>\n<h2 id=\"toc-8-chi-phi-va-kha-nang-cung-ung\"><span class=\"ez-toc-section\" id=\"Chi_phi_va_kha_nang_cung_ung\"><\/span>Chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng cung \u1ee9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 304 th\u01b0\u1eddng r\u1ebb nh\u1ea5t v\u00e0 s\u1eb5n nhi\u1ec1u nh\u1ea5t.<br \/>\n&#8211; 304L ch\u00eanh nh\u1eb9 do ki\u1ec3m so\u00e1t carbon th\u1ea5p v\u00e0 nhu c\u1ea7u cao cho h\u00e0n.<br \/>\n&#8211; 304H l\u00e0 h\u00e0ng \u201ck\u1ef9 thu\u1eadt\u201d cho nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 th\u1ec3 \u0111\u1eb7t h\u00e0ng theo l\u00f4; gi\u00e1 v\u00e0 lead time th\u01b0\u1eddng cao h\u01a1n\/long h\u01a1n so v\u1edbi 304\/304L.<\/p>\n<h2 id=\"toc-9-tom-tat-thong-so-nhanh\"><span class=\"ez-toc-section\" id=\"Tom_tat_thong_so_nhanh\"><\/span>T\u00f3m t\u1eaft th\u00f4ng s\u1ed1 nhanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 304L: C \u22640,03%; \u01b0u \u0111i\u1ec3m ch\u1ed1ng \u0103n m\u00f2n sau h\u00e0n; h\u1ea1n ch\u1ebf b\u1ec1n r\u00e3o th\u1ea5p \u2192 tr\u00e1nh d\u00f9ng d\u00e0i h\u1ea1n >500\u2013525\u00b0C.<br \/>\n&#8211; 304: C \u22640,08%; c\u00e2n b\u1eb1ng chi ph\u00ed \u2013 c\u01a1 t\u00ednh; c\u00f3 nguy c\u01a1 nh\u1ea1y c\u1ea3m sau h\u00e0n d\u00e0y n\u1ebfu kh\u00f4ng x\u1eed l\u00fd.<br \/>\n&#8211; 304H: C 0,04\u20130,10%; m\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 cao >525\u00b0C; c\u1ea7n qu\u1ea3n l\u00fd nguy c\u01a1 \u0103n m\u00f2n k\u1ebd h\u1ea1t v\u00e0 ch\u1ecdn quy tr\u00ecnh h\u00e0n ph\u00f9 h\u1ee3p.<\/p>\n<h2 id=\"toc-10-luu-y-ky-thuat-khi-dat-hang\"><span class=\"ez-toc-section\" id=\"Luu_y_ky_thuat_khi_dat_hang\"><\/span>L\u01b0u \u00fd k\u1ef9 thu\u1eadt khi \u0111\u1eb7t h\u00e0ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; X\u00e1c nh\u1eadn y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c, m\u00f4i tr\u01b0\u1eddng (pH, Cl\u2212, t\u1ed1c \u0111\u1ed9 d\u00f2ng, nhi\u1ec7t \u0111\u1ed9).<br \/>\n&#8211; Ghi r\u00f5 m\u00e1c\/UNS v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng (v\u00ed d\u1ee5: \u201cASME service >525\u00b0C\u201d \u2192 304H).<br \/>\n&#8211; Y\u00eau c\u1ea7u MTC 3.1 k\u00e8m ph\u00e2n t\u00edch C, Cr, Ni, N; th\u1eed PMI t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng n\u1ebfu quan tr\u1ecdng.<br \/>\n&#8211; Quy \u0111\u1ecbnh t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t (2B\/BA\/No.1), y\u00eau c\u1ea7u t\u1ea9y \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n.<br \/>\n&#8211; Ch\u1ecdn v\u1eadt li\u1ec7u h\u00e0n ph\u00f9 h\u1ee3p (308L\/308H\/347) v\u00e0 quy tr\u00ecnh WPS\/PQR t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<h2 id=\"toc-11-nguon-tham-khao\"><span class=\"ez-toc-section\" id=\"Nguon_tham_khao\"><\/span>Ngu\u1ed3n tham kh\u1ea3o<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.<br \/>\n&#8211; ASME BPVC Section II, Part D \u2013 Allowable Stresses (so s\u00e1nh \u1ee9ng su\u1ea5t cho ph\u00e9p 304\/304L\/304H \u1edf nhi\u1ec7t \u0111\u1ed9 cao).<br \/>\n&#8211; Outokumpu Stainless Steel Handbook (\u1ea5n b\u1ea3n g\u1ea7n \u0111\u00e2y): t\u1ed5ng quan \u0103n m\u00f2n v\u00e0 \u1ee9ng d\u1ee5ng h\u1ecd 304.<br \/>\n&#8211; SSINA (Specialty Steel Industry of North America): Datasheet Type 304\/304L Stainless Steel.<br \/>\n&#8211; AZoM: Stainless Steel 304 (UNS S30400), 304L (UNS S30403) v\u00e0 304H (UNS S30409) \u2013 t\u00ednh ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>\n<h2 id=\"toc-12-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; 304L v\u00e0 304H l\u00e0 hai \u201cbi\u1ebfn th\u1ec3 t\u1ed1i \u01b0u h\u00f3a\u201d c\u1ee7a 304: 304L h\u1ea1 carbon \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n k\u1ebd h\u1ea1t sau h\u00e0n; 304H t\u0103ng carbon \u0111\u1ec3 ch\u1ecbu t\u1ea3i \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<br \/>\n&#8211; Ch\u1ecdn 304L cho k\u1ebft c\u1ea5u h\u00e0n trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc\/kh\u00ed quy\u1ec3n; ch\u1ecdn 304 cho d\u1ecbch v\u1ee5 ph\u1ed5 th\u00f4ng \u00edt h\u00e0n; ch\u1ecdn 304H cho thi\u1ebft k\u1ebf ASME >525\u00b0C.<br \/>\n&#8211; Trong m\u00f4i tr\u01b0\u1eddng chloride \u0111\u00e1ng k\u1ec3, c\u00e2n nh\u1eafc chuy\u1ec3n sang 316\/316L thay v\u00ec h\u1ecd 304 \u0111\u1ec3 tr\u00e1nh r\u1ed7\/khe.<br \/>\nC\u1ea7n t\u1ed1i \u01b0u k\u1ef9 thu\u1eadt \u2013 chi ph\u00ed \u2013 ti\u1ebfn \u0111\u1ed9 cho d\u1ef1 \u00e1n t\u1ea1i Vi\u1ec7t Nam? Li\u00ean h\u1ec7 Inox Cuong Thinh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n m\u00e1c v\u1eadt li\u1ec7u, quy chu\u1ea9n v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t.<br \/>\nHotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i m\u00e3 304L (C \u22640,03% ch\u1ed1ng \u0103n m\u00f2n sau h\u00e0n) v\u00e0 304H (C 0,04\u20130,10% cho nhi\u1ec7t \u0111\u1ed9 cao), so v\u1edbi 304 v\u1ec1 th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>\n","protected":false},"author":7,"featured_media":1060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2532","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\/2532","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=2532"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2532\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1060"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}