{"id":2574,"date":"2026-09-15T12:35:47","date_gmt":"2026-09-15T05:35:47","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/"},"modified":"2026-09-15T12:35:47","modified_gmt":"2026-09-15T05:35:47","slug":"khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/","title":{"rendered":"Khi n\u00e0o c\u1ea7n Titan? So s\u00e1nh Inox vs Titan trong k\u1ef9 thu\u1eadt cao"},"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;2574&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;Khi n\u00e0o c\u1ea7n Titan? So s\u00e1nh Inox vs Titan trong k\u1ef9 thu\u1eadt cao&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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Tong_quan_nhanh_ve_vat_lieu_va_mac_thong_dung\" >T\u1ed5ng quan nhanh v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 m\u00e1c th\u00f4ng d\u1ee5ng<\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#So_sanh_tinh_chat_ky_thuat_chu_chot\" >So s\u00e1nh t\u00ednh ch\u1ea5t k\u1ef9 thu\u1eadt ch\u1ee7 ch\u1ed1t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#1_Trong_luong_rieng_va_ty_so_bentrong_luong\" >1) Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang v\u00e0 t\u1ef7 s\u1ed1 b\u1ec1n\/tr\u1ecdng l\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#2_Do_cung_vung_mo-dun_dan_hoi_va_bien_dang\" >2) \u0110\u1ed9 c\u1ee9ng v\u1eefng (m\u00f4-\u0111un \u0111\u00e0n h\u1ed3i) v\u00e0 bi\u1ebfn d\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#3_Kha_nang_chiu_an_mon_trong_moi_truong_khac_nghiet\" >3) Kh\u1ea3 n\u0103ng ch\u1ecbu \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#4_Nhiet_do_lam_viec_va_truyen_nhiet\" >4) Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c v\u00e0 truy\u1ec1n nhi\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#5_Han_gia_cong_va_che_tao\" >5) H\u00e0n, gia c\u00f4ng v\u00e0 ch\u1ebf t\u1ea1o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#6_Tinh_tuong_thich_sinh_hoc_tu_tinh_va_dien\" >6) T\u00ednh t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc, t\u1eeb t\u00ednh v\u00e0 \u0111i\u1ec7n<\/a><\/li><\/ul><\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Bai_toan_chi_phi_dau_tu_ban_dau_vs_chi_phi_vong_doi\" >B\u00e0i to\u00e1n chi ph\u00ed: \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u vs chi ph\u00ed v\u00f2ng \u0111\u1eddi<\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Khi_nao_bat_buoc_chon_Titan_Checklist_nhanh\" >Khi n\u00e0o b\u1eaft bu\u1ed9c ch\u1ecdn Titan? (Checklist nhanh)<\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Khi_nao_Inox_la_lua_chon_toi_uu_va_nen_chon_mac_nao\" >Khi n\u00e0o Inox l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u (v\u00e0 n\u00ean ch\u1ecdn m\u00e1c n\u00e0o)?<\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Vi_du_ung_dung_thuc_te_bai_hoc_rut_gon\" >V\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf (b\u00e0i h\u1ecdc r\u00fat g\u1ecdn)<\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Quy_cach_tieu_chuan_mua_hang_nen_biet\" >Quy c\u00e1ch &#038; ti\u00eau chu\u1ea9n mua h\u00e0ng n\u00ean bi\u1ebft<\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#So_sanh_nhanh_gia_tri_dien_hinh_de_dinh_huong\" >So s\u00e1nh nhanh (gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng)<\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Luu_y_thiet_ke_lap_dat_de_tranh_%E2%80%9Cchet_oan%E2%80%9D\" >L\u01b0u \u00fd thi\u1ebft k\u1ebf &#038; l\u1eafp \u0111\u1eb7t \u0111\u1ec3 tr\u00e1nh \u201cch\u1ebft oan\u201d<\/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\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Tai_lieu_tham_khao_chinh\" >T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-can-titan-so-sanh-inox-vs-titan-trong-ky-thuat-cao\/#Ket_luan_Khi_nao_can_den_Titan\" >K\u1ebft lu\u1eadn: Khi n\u00e0o c\u1ea7n \u0111\u1ebfn Titan?<\/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-vat-lieu-va-mac-thong-dung\">T\u1ed5ng quan nhanh v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 m\u00e1c th\u00f4ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-1-so-sanh-tinh-chat-ky-thuat-chu-chot\">So s\u00e1nh t\u00ednh ch\u1ea5t k\u1ef9 thu\u1eadt ch\u1ee7 ch\u1ed1t<\/a><\/li>\n<li><a href=\"#toc-2-bai-toan-chi-phi-dau-tu-ban-dau-vs-chi-phi-vong-do\">B\u00e0i to\u00e1n chi ph\u00ed: \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u vs chi ph\u00ed v\u00f2ng \u0111\u1eddi<\/a><\/li>\n<li><a href=\"#toc-3-khi-nao-bat-buoc-chon-titan-checklist-nhanh\">Khi n\u00e0o b\u1eaft bu\u1ed9c ch\u1ecdn Titan? (Checklist nhanh)<\/a><\/li>\n<li><a href=\"#toc-4-khi-nao-inox-la-lua-chon-toi-uu-va-nen-chon-mac-na\">Khi n\u00e0o Inox l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u (v\u00e0 n\u00ean ch\u1ecdn m\u00e1c n\u00e0o)?<\/a><\/li>\n<li><a href=\"#toc-5-vi-du-ung-dung-thuc-te-bai-hoc-rut-gon\">V\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf (b\u00e0i h\u1ecdc r\u00fat g\u1ecdn)<\/a><\/li>\n<li><a href=\"#toc-6-quy-cach-tieu-chuan-mua-hang-nen-biet\">Quy c\u00e1ch &#038; ti\u00eau chu\u1ea9n mua h\u00e0ng n\u00ean bi\u1ebft<\/a><\/li>\n<li><a href=\"#toc-7-so-sanh-nhanh-gia-tri-dien-hinh-de-dinh-huong\">So s\u00e1nh nhanh (gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng)<\/a><\/li>\n<li><a href=\"#toc-8-luu-y-thiet-ke-lap-dat-de-tranh-chet-oan\">L\u01b0u \u00fd thi\u1ebft k\u1ebf &#038; l\u1eafp \u0111\u1eb7t \u0111\u1ec3 tr\u00e1nh \u201cch\u1ebft oan\u201d<\/a><\/li>\n<li><a href=\"#toc-9-tai-lieu-tham-khao-chinh\">T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u00ednh<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan-khi-nao-can-den-titan\">K\u1ebft lu\u1eadn: Khi n\u00e0o c\u1ea7n \u0111\u1ebfn Titan?<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt cao, c\u00e2u h\u1ecfi \u201ckhi n\u00e0o c\u1ea7n \u0111\u1ebfn Titan thay v\u00ec Inox?\u201d xu\u1ea5t hi\u1ec7n m\u1ed7i khi y\u00eau c\u1ea7u kh\u1eaft khe v\u1ec1 \u0103n m\u00f2n, tr\u1ecdng l\u01b0\u1ee3ng, v\u00e0 \u0111\u1ed9 tin c\u1eady d\u00e0i h\u1ea1n v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a Inox. B\u00e0i vi\u1ebft n\u00e0y l\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u1ed9c l\u1eadp, gi\u00fap b\u1ea1n ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang: ch\u1ecdn Titan khi b\u1eaft bu\u1ed9c, hay t\u1ed1i \u01b0u v\u1edbi c\u00e1c m\u00e1c Inox ph\u00f9 h\u1ee3p.<\/p>\n<h2 id=\"toc-0-tong-quan-nhanh-ve-vat-lieu-va-mac-thong-dung\"><span class=\"ez-toc-section\" id=\"Tong_quan_nhanh_ve_vat_lieu_va_mac_thong_dung\"><\/span>T\u1ed5ng quan nhanh v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 m\u00e1c th\u00f4ng d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Inox (th\u00e9p kh\u00f4ng g\u1ec9): H\u1ecd austenitic 304\/304L, 316\/316L, 321, 310S; h\u1ecd duplex\/super duplex 2205, 2507; austenitic cao h\u1ee3p kim 904L. Chu\u1ea9n th\u00f4ng d\u1ee5ng: ASTM A240 (t\u1ea5m), ASTM A312 (\u1ed1ng), ASTM A554 (\u1ed1ng trang tr\u00ed), ASTM A790 (\u1ed1ng duplex).<br \/>\n&#8211; Titan: Titan tinh khi\u1ebft th\u01b0\u01a1ng m\u1ea1i (CP) Grade 1, Grade 2 (ph\u1ed5 bi\u1ebfn nh\u1ea5t cho \u1ed1ng trao \u0111\u1ed5i nhi\u1ec7t); h\u1ee3p kim Ti-6Al-4V (Grade 5) cho y\u00eau c\u1ea7u b\u1ec1n-tr\u1ecdng l\u01b0\u1ee3ng cao; Grade 12 cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n c\u00f3 kh\u1eed. Chu\u1ea9n: ASTM B265 (t\u1ea5m), ASTM B348 (thanh), ASTM B338\/ASME SB338 (\u1ed1ng trao \u0111\u1ed5i nhi\u1ec7t).<\/p>\n<h2 id=\"toc-1-so-sanh-tinh-chat-ky-thuat-chu-chot\"><span class=\"ez-toc-section\" id=\"So_sanh_tinh_chat_ky_thuat_chu_chot\"><\/span>So s\u00e1nh t\u00ednh ch\u1ea5t k\u1ef9 thu\u1eadt ch\u1ee7 ch\u1ed1t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Trong_luong_rieng_va_ty_so_bentrong_luong\"><\/span>1) Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang v\u00e0 t\u1ef7 s\u1ed1 b\u1ec1n\/tr\u1ecdng l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang: Inox ~7,9\u20138,0 g\/cm\u00b3; Titan ~4,5 g\/cm\u00b3. Titan nh\u1eb9 h\u01a1n ~43%.<br \/>\n&#8211; T\u1ef7 s\u1ed1 b\u1ec1n\/tr\u1ecdng l\u01b0\u1ee3ng:<br \/>\n  &#8211; 316L: Rp0.2 ~170\u2013310 MPa; 2205: ~450\u2013620 MPa.<br \/>\n  &#8211; Ti Grade 2: Rp0.2 ~275 MPa; Ti-6Al-4V (Gr5): ~830\u2013900 MPa.<br \/>\n=> \u1ede \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u nh\u1eb9 m\u00e0 v\u1eabn b\u1ec1n (h\u00e0ng kh\u00f4ng, xe \u0111ua, drone, \u1ed1ng treo tr\u00ean cao), Titan (\u0111\u1eb7c bi\u1ec7t Gr5) v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<p>[Ngu\u1ed3n: ASM International; MatWeb d\u1eef li\u1ec7u c\u01a1 t\u00ednh]<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Do_cung_vung_mo-dun_dan_hoi_va_bien_dang\"><\/span>2) \u0110\u1ed9 c\u1ee9ng v\u1eefng (m\u00f4-\u0111un \u0111\u00e0n h\u1ed3i) v\u00e0 bi\u1ebfn d\u1ea1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; M\u00f4-\u0111un \u0111\u00e0n h\u1ed3i: Inox ~193 GPa; Titan ~105\u2013116 GPa. Titan m\u1ec1m h\u01a1n v\u1ec1 \u0111\u1ed9 c\u1ee9ng v\u1eefng, d\u1ec5 v\u00f5ng h\u01a1n v\u1edbi c\u00f9ng ti\u1ebft di\u1ec7n. N\u1ebfu y\u00eau c\u1ea7u \u0111\u1ed9 v\u00f5ng r\u1ea5t th\u1ea5p (gi\u00e1 \u0111\u1ee1, k\u1ebft c\u1ea5u nh\u1ecbp d\u00e0i), Inox\/duplex thu\u1eadn l\u1ee3i h\u01a1n ho\u1eb7c ph\u1ea3i t\u0103ng ti\u1ebft di\u1ec7n khi d\u00f9ng Titan.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Kha_nang_chiu_an_mon_trong_moi_truong_khac_nghiet\"><\/span>3) Kh\u1ea3 n\u0103ng ch\u1ecbu \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; N\u01b0\u1edbc bi\u1ec3n &#038; clorua:<br \/>\n  &#8211; 304\/316L: D\u1ec5 b\u1ecb r\u1ed7\/c\u1ee5c b\u1ed9 khi Cl- t\u0103ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao; 316L th\u01b0\u1eddng khuy\u1ebfn ngh\u1ecb d\u01b0\u1edbi ~200\u2013300 ppm Cl- \u1edf 25\u201330\u00b0C n\u1ebfu kh\u00f4ng c\u00f3 bi\u1ec7n ph\u00e1p b\u1ed5 tr\u1ee3.<br \/>\n  &#8211; Duplex 2205\/2507, 904L: Ch\u1ed1ng r\u1ed7 t\u1ed1t h\u01a1n \u0111\u00e1ng k\u1ec3; d\u00f9ng \u0111\u01b0\u1ee3c \u1edf n\u1ed3ng \u0111\u1ed9 Cl- cao h\u01a1n v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n, song v\u1eabn c\u00f3 gi\u1edbi h\u1ea1n.<br \/>\n  &#8211; Titan (CP Gr2): G\u1ea7n nh\u01b0 mi\u1ec5n nhi\u1ec5m r\u1ed7, k\u1ebd n\u1ee9t \u1ee9ng su\u1ea5t do clorua v\u00e0 \u0103n m\u00f2n khe trong n\u01b0\u1edbc bi\u1ec3n ch\u1ea3y, ho\u1ea1t \u0111\u1ed9ng \u1ed5n t\u1edbi ~120\u00b0C. L\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho n\u01b0\u1edbc bi\u1ec3n, n\u01b0\u1edbc mu\u1ed1i, n\u01b0\u1edbc l\u00e0m m\u00e1t ven bi\u1ec3n.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng clo\/hypochlorite\/ClO2 (gi\u1ea5y, x\u1eed l\u00fd n\u01b0\u1edbc): Titan tr\u1ed9i h\u01a1n; Inox austenitic d\u1ec5 h\u1ecfng c\u1ee5c b\u1ed9 khi c\u00f3 ch\u1ea5t oxy h\u00f3a ch\u1ee9a clo.<br \/>\n&#8211; Axit: Titan b\u1ec1n v\u1edbi axit oxy h\u00f3a (nh\u01b0 HNO3), k\u00e9m trong HF v\u00e0 m\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng kh\u1eed m\u1ea1nh; 316L\/904L\/Alloy Ni-Cr-Mo c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n t\u00f9y axit v\u00e0 nhi\u1ec7t \u0111\u1ed9.<br \/>\n&#8211; \u0102n m\u00f2n \u1ee9ng su\u1ea5t (SCC) do clorua: Austenitic Inox nh\u1ea1y khi n\u00f3ng \u1ea9m; Titan h\u1ea7u nh\u01b0 mi\u1ec5n nhi\u1ec5m trong clorua.<br \/>\nK\u1ebft lu\u1eadn: N\u1ebfu m\u00f4i tr\u01b0\u1eddng l\u00e0 n\u01b0\u1edbc bi\u1ec3n n\u00f3ng, n\u01b0\u1edbc mu\u1ed1i, m\u00f4i tr\u01b0\u1eddng c\u00f3 ch\u1ea5t t\u1ea9y clo\/hypochlorite, ho\u1eb7c r\u1ee7i ro SCC clorua cao, Titan th\u01b0\u1eddng l\u00e0 \u201cgi\u1ea3i ph\u00e1p d\u1ee9t \u0111i\u1ec3m\u201d.<\/p>\n<p>[Ngu\u1ed3n: Nickel Institute \u2013 Stainless steels in seawater; IMOA \u2013 Chloride pitting guidance; ASM \u2013 Titanium: A Technical Guide]<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Nhiet_do_lam_viec_va_truyen_nhiet\"><\/span>4) Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c v\u00e0 truy\u1ec1n nhi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Nhi\u1ec7t \u0111\u1ed9 cao: Inox 304\/321 d\u00f9ng \u0111\u01b0\u1ee3c \u0111\u1ebfn ~870\u2013925\u00b0C (oxy h\u00f3a b\u1ec1 m\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t); Titan b\u1ecb \u00f4xy h\u00f3a nhanh v\u00e0 suy gi\u1ea3m c\u01a1 t\u00ednh khi >400\u2013500\u00b0C trong kh\u00f4ng kh\u00ed. V\u1edbi kh\u00ed x\u1ea3 n\u00f3ng, 321\/310S ph\u00f9 h\u1ee3p h\u01a1n Titan.<br \/>\n&#8211; D\u1eabn nhi\u1ec7t: 304 ~16 W\/m\u00b7K; Titan CP ~16\u201317 W\/m\u00b7K; Ti-6Al-4V ~6\u20137 W\/m\u00b7K. \u1ed0ng trao \u0111\u1ed5i nhi\u1ec7t Titan th\u01b0\u1eddng l\u00e0 Grade 2; d\u00f9 d\u1eabn nhi\u1ec7t kh\u00f4ng cao nh\u01b0 \u0111\u1ed3ng, c\u00f3 th\u1ec3 d\u00f9ng th\u00e0nh m\u1ecfng, t\u1ed1c \u0111\u1ed9 cao nh\u1edd ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi, n\u00ean hi\u1ec7u su\u1ea5t t\u1ed5ng v\u1eabn r\u1ea5t t\u1ed1t v\u00e0 b\u1ec1n l\u00e2u trong n\u01b0\u1edbc bi\u1ec3n.<\/p>\n<p>[Ngu\u1ed3n: MatWeb; TIMET\/ITA \u2013 Titanium for Heat Exchangers]<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Han_gia_cong_va_che_tao\"><\/span>5) H\u00e0n, gia c\u00f4ng v\u00e0 ch\u1ebf t\u1ea1o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Inox: TIG\/MIG\/SMAW quen thu\u1ed9c; c\u1ea7n ki\u1ec3m so\u00e1t nhi\u1ec7t, kh\u00ed tr\u01a1 m\u1eb7t sau v\u1edbi m\u1ed1i h\u00e0n \u1ed1ng; x\u1eed l\u00fd b\u1ec1 m\u1eb7t (pickling\/passivation) \u0111\u1ec3 ph\u1ee5c h\u1ed3i th\u1ee5 \u0111\u1ed9ng h\u00f3a.<br \/>\n&#8211; Titan: R\u1ea5t nh\u1ea1y v\u1edbi O2, N2, H2 khi n\u00f3ng \u0111\u1ecf; b\u1eaft bu\u1ed9c che ch\u1eafn kh\u00ed tr\u01a1 tuy\u1ec7t \u0111\u1ed1i c\u1ea3 m\u1eb7t tr\u01b0\u1edbc v\u00e0 m\u1eb7t sau, duy tr\u00ec b\u1ea3o v\u1ec7 cho t\u1edbi <400\u00b0C. M\u00e0u bi\u1ebfn nhi\u1ec7t (r\u01a1m\/xanh\/t\u00edm) l\u00e0 d\u1ea5u hi\u1ec7u nhi\u1ec5m oxy \u2013 m\u1ed1i h\u00e0n ph\u1ea3i l\u00e0m l\u1ea1i. Gia c\u00f4ng c\u1eaft g\u1ecdt kh\u00f3 (d\u1eabn nhi\u1ec7t th\u1ea5p c\u1ee7a h\u1ee3p kim, xu h\u01b0\u1edbng b\u00e1m dao), c\u1ea7n dao h\u1ee3p kim c\u1ee9ng, t\u1ed1c \u0111\u1ed9 c\u1eaft th\u1ea5p, t\u01b0\u1edbi ngu\u1ed9i d\u1ed3i d\u00e0o. Chi ph\u00ed ch\u1ebf t\u1ea1o th\u01b0\u1eddng cao h\u01a1n Inox.\n- Ma s\u00e1t\/m\u00e0i m\u00f2n: Titan c\u00f3 xu h\u01b0\u1edbng galling (d\u00ednh l\u1ea1nh) t\u01b0\u01a1ng t\u1ef1 inox; c\u1ea7n b\u00f4i tr\u01a1n, ch\u1ecdn c\u1eb7p v\u1eadt li\u1ec7u kh\u00e1c nhau ho\u1eb7c ph\u1ee7 b\u1ec1 m\u1eb7t.\n\n[Ngu\u1ed3n: AWS; ASM; kinh nghi\u1ec7m ch\u1ebf t\u1ea1o c\u00f4ng nghi\u1ec7p]\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"6_Tinh_tuong_thich_sinh_hoc_tu_tinh_va_dien\"><\/span>6) T\u00ednh t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc, t\u1eeb t\u00ednh v\u00e0 \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Titan: T\u01b0\u01a1ng th\u00edch sinh h\u1ecdc xu\u1ea5t s\u1eafc (implant y t\u1ebf), phi t\u1eeb t\u00ednh, d\u1eabn \u0111i\u1ec7n th\u1ea5p. Inox 316L y t\u1ebf c\u0169ng d\u00f9ng r\u1ed9ng r\u00e3i nh\u01b0ng c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9 sau gia c\u00f4ng.<br \/>\n&#8211; V\u1edbi thi\u1ebft b\u1ecb c\u1ea7n phi t\u1eeb (MRI, c\u1ea3m bi\u1ebfn t\u1eeb tr\u01b0\u1eddng), c\u1ea3 Titan v\u00e0 austenitic Inox \u0111\u1ec1u \u0111\u00e1p \u1ee9ng; Titan nh\u1eb9 h\u01a1n.<\/p>\n<h2 id=\"toc-2-bai-toan-chi-phi-dau-tu-ban-dau-vs-chi-phi-vong-do\"><span class=\"ez-toc-section\" id=\"Bai_toan_chi_phi_dau_tu_ban_dau_vs_chi_phi_vong_doi\"><\/span>B\u00e0i to\u00e1n chi ph\u00ed: \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u vs chi ph\u00ed v\u00f2ng \u0111\u1eddi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; V\u1eadt li\u1ec7u: Titan (\u0111\u1eb7c bi\u1ec7t Gr5) \u0111\u1eaft h\u01a1n Inox nhi\u1ec1u l\u1ea7n t\u00ednh theo kg; CP Gr2 cho \u1ed1ng trao \u0111\u1ed5i nhi\u1ec7t v\u1eabn cao \u0111\u00e1ng k\u1ec3 so v\u1edbi 316L\/duplex. M\u1ee9c ch\u00eanh l\u1ec7ch bi\u1ebfn \u0111\u1ed9ng theo th\u1ecb tr\u01b0\u1eddng v\u00e0 d\u1ea1ng s\u1ea3n ph\u1ea9m.<br \/>\n&#8211; Gia c\u00f4ng &#038; h\u00e0n: Titan \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t kh\u00ed tr\u01a1 nghi\u00eam ng\u1eb7t, \u0111\u1ed3 g\u00e1 v\u00e0 tay ngh\u1ec1 chuy\u00ean bi\u1ec7t \u2192 chi ph\u00ed ch\u1ebf t\u1ea1o th\u01b0\u1eddng cao h\u01a1n Inox 1,5\u20133 l\u1ea7n cho chi ti\u1ebft t\u01b0\u01a1ng t\u1ef1 (\u01b0\u1edbc t\u00ednh tham kh\u1ea3o).<br \/>\n&#8211; Tu\u1ed5i th\u1ecd &#038; d\u1eebng m\u00e1y: Trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc bi\u1ec3n\/clo, 316L c\u00f3 th\u1ec3 h\u1ecfng c\u1ee5c b\u1ed9 sau 6\u201324 th\u00e1ng; duplex k\u00e9o d\u00e0i h\u01a1n; Titan th\u01b0\u1eddng v\u1eadn h\u00e0nh 15\u201325 n\u0103m+ v\u1edbi b\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u. N\u1ebfu chi ph\u00ed d\u1eebng m\u00e1y, thay th\u1ebf v\u00e0 r\u1ee7i ro r\u00f2 r\u1ec9 cao, Titan th\u1eafng v\u1ec1 t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi (LCC).<br \/>\nV\u00ed d\u1ee5 kh\u00e1i qu\u00e1t: M\u1ed9t b\u00ecnh trao \u0111\u1ed5i nhi\u1ec7t 316L gi\u00e1 1 \u0111\u01a1n v\u1ecb ph\u1ea3i thay 3\u20135 l\u1ea7n trong 10 n\u0103m do r\u1ed7 \u2192 t\u1ed5ng 3\u20135 \u0111\u01a1n v\u1ecb + chi ph\u00ed d\u1eebng m\u00e1y. B\u00ecnh Titan gi\u00e1 3\u20136 \u0111\u01a1n v\u1ecb nh\u01b0ng ch\u1ea1y tr\u1ecdn 10\u201320 n\u0103m \u2192 LCC th\u1ea5p h\u01a1n v\u00e0 r\u1ee7i ro g\u1ea7n nh\u01b0 b\u1eb1ng 0.<\/p>\n<p>[Ngu\u1ed3n: Nickel Institute case notes; ITA \u2013 Titanium in seawater service]<\/p>\n<h2 id=\"toc-3-khi-nao-bat-buoc-chon-titan-checklist-nhanh\"><span class=\"ez-toc-section\" id=\"Khi_nao_bat_buoc_chon_Titan_Checklist_nhanh\"><\/span>Khi n\u00e0o b\u1eaft bu\u1ed9c ch\u1ecdn Titan? (Checklist nhanh)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc bi\u1ec3n n\u00f3ng, n\u01b0\u1edbc l\u1ee3 c\u00f3 Cl- cao, b\u01a1m tu\u1ea7n ho\u00e0n ven bi\u1ec3n, kh\u1eed m\u1eb7n (RO, MED): \u1ed0ng\/b\u00f3 \u1ed1ng Titan Gr2 cho trao \u0111\u1ed5i nhi\u1ec7t, b\u00ecnh ng\u01b0ng tuabin h\u01a1i.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng c\u00f3 clo\/hypochlorite\/ClO2 \u1ea9m (x\u1eed l\u00fd n\u01b0\u1edbc, t\u1ea9y b\u1ed9t gi\u1ea5y, CIP\/OIP kh\u00f3 ki\u1ec3m so\u00e1t clo t\u1ef1 do): Linh ki\u1ec7n ti\u1ebfp x\u00fac tr\u1ef1c di\u1ec7n n\u00ean \u01b0u ti\u00ean Titan.<br \/>\n&#8211; R\u00e0ng bu\u1ed9c b\u1ec1n-tr\u1ecdng l\u01b0\u1ee3ng kh\u1eaft khe: H\u00e0ng kh\u00f4ng\/\u0111\u1ed9ng c\u01a1, ph\u1ee5 t\u00f9ng xe th\u1ec3 thao, drone, \u1ed1ng x\u1ea3 si\u00eau nh\u1eb9 nhi\u1ec7t v\u1eeba ph\u1ea3i \u2192 Ti-6Al-4V\/Gr2.<br \/>\n&#8211; Y sinh h\u1ecdc v\u00e0 phi t\u1eeb tuy\u1ec7t \u0111\u1ed1i: Implant, d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt, thi\u1ebft b\u1ecb g\u1ea7n MRI \u2192 Titan.<br \/>\n&#8211; K\u1ecbch b\u1ea3n SCC clorua kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf b\u1eb1ng thi\u1ebft k\u1ebf hay ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng.<br \/>\n&#8211; Khi th\u1ea5t b\u1ea1i \u0103n m\u00f2n c\u1ee5c b\u1ed9 c\u1ee7a Inox (k\u1ec3 c\u1ea3 904L\/duplex) \u0111\u00e3 x\u1ea3y ra v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i.<\/p>\n<h2 id=\"toc-4-khi-nao-inox-la-lua-chon-toi-uu-va-nen-chon-mac-na\"><span class=\"ez-toc-section\" id=\"Khi_nao_Inox_la_lua_chon_toi_uu_va_nen_chon_mac_nao\"><\/span>Khi n\u00e0o Inox l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u (v\u00e0 n\u00ean ch\u1ecdn m\u00e1c n\u00e0o)?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Th\u1ef1c ph\u1ea9m, \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c v\u1edbi Cl- th\u1ea5p, nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh: 304\/316L l\u00e0 chu\u1ea9n; x\u1eed l\u00fd passivation t\u1ed1t.<br \/>\n&#8211; Ki\u1ebfn tr\u00fac, k\u1ebft c\u1ea5u, b\u1ed3n b\u1ec3 trong nh\u00e0\/xu\u1ea5t tr\u1eddi xa bi\u1ec3n: 304\/316L\/2205 t\u00f9y m\u00f4i tr\u01b0\u1eddng; Inox c\u00f3 m\u00f4-\u0111un cao \u2192 \u0111\u1ed9 v\u00f5ng th\u1ea5p.<br \/>\n&#8211; Nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao (>500\u00b0C): 321\/310S t\u1ed1t h\u01a1n Titan.<br \/>\n&#8211; Ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t: T\u0103ng v\u1eadn t\u1ed1c d\u00f2ng, gi\u1ea3m \u0111i\u1ec3m \u0111\u1ecdng, ph\u1ee7 b\u1ec1 m\u1eb7t, anode hy sinh, ch\u1ecdn 2205\/2507\/904L tr\u01b0\u1edbc khi \u201cnh\u1ea3y\u201d l\u00ean Titan.<br \/>\n&#8211; M\u00e0i m\u00f2n\/va \u0111\u1eadp: Inox c\u1ee9ng h\u01a1n, d\u1ec5 ph\u1ee7 c\u1ee9ng\/qua t\u00f4i c\u1ea3m \u1ee9ng so v\u1edbi Titan.<\/p>\n<p>[Ngu\u1ed3n: IMOA; Nickel Institute]<\/p>\n<h2 id=\"toc-5-vi-du-ung-dung-thuc-te-bai-hoc-rut-gon\"><span class=\"ez-toc-section\" id=\"Vi_du_ung_dung_thuc_te_bai_hoc_rut_gon\"><\/span>V\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf (b\u00e0i h\u1ecdc r\u00fat g\u1ecdn)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u00e0n ng\u01b0ng n\u01b0\u1edbc bi\u1ec3n nh\u00e0 m\u00e1y \u0111i\u1ec7n ven bi\u1ec3n: \u1ed0ng 316L h\u1ecfng r\u1ed7 sau 18 th\u00e1ng; thay b\u1eb1ng \u1ed1ng Titan Grade 2 v\u1eadn h\u00e0nh >15 n\u0103m kh\u00f4ng r\u00f2 r\u1ec9, cho ph\u00e9p t\u0103ng t\u1ed1c \u0111\u1ed9 n\u01b0\u1edbc l\u00e0m m\u00e1t, gi\u1ea3m b\u00e1m b\u1ea9n.<br \/>\n&#8211; Thi\u1ebft b\u1ecb trao \u0111\u1ed5i nhi\u1ec7t x\u1eed l\u00fd n\u01b0\u1edbc c\u1ea5p RO c\u00f3 ti\u1ec7m c\u1eadn hypochlorite: 316L xu\u1ea5t hi\u1ec7n r\u1ed7 c\u1ea1nh m\u1ed1i h\u00e0n sau v\u00e0i th\u00e1ng kh\u1eed tr\u00f9ng s\u1ed1c; chuy\u1ec3n sang Titan Gr2 gi\u1ea3i quy\u1ebft d\u1ee9t \u0111i\u1ec3m d\u00f9 chi ph\u00ed ban \u0111\u1ea7u t\u0103ng.<\/p>\n<h2 id=\"toc-6-quy-cach-tieu-chuan-mua-hang-nen-biet\"><span class=\"ez-toc-section\" id=\"Quy_cach_tieu_chuan_mua_hang_nen_biet\"><\/span>Quy c\u00e1ch &#038; ti\u00eau chu\u1ea9n mua h\u00e0ng n\u00ean bi\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Titan: \u1ed0ng trao \u0111\u1ed5i nhi\u1ec7t theo ASTM B338\/ASME SB338 (Gr2, Gr12); t\u1ea5m ASTM B265; thanh ASTM B348. Y\u00eau c\u1ea7u test kh\u00ed r\u00f2 (helium), ki\u1ec3m so\u00e1t m\u00e0u m\u1ed1i h\u00e0n.<br \/>\n&#8211; Inox: T\u1ea5m ASTM A240 (304\/316\/321\/904L); \u1ed1ng \u0111\u00fac\/h\u00e0n ASTM A312 (304\/316), A790 (duplex); ki\u1ec3m \u0111\u1ecbnh PMI, test G48 cho ch\u1ed1ng r\u1ed7 (khi c\u1ea7n).<br \/>\n&#8211; Thi\u1ebft k\u1ebf ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a: C\u00e1ch \u0111i\u1ec7n Titan v\u1edbi kim lo\u1ea1i k\u00e9m th\u1ebf (\u0111\u1ed3ng, th\u00e9p carbon, inox) b\u1eb1ng gio\u0103ng\/\u1ed1ng l\u00f3t phi kim; l\u01b0u \u00fd pin \u0111i\u1ec7n ho\u00e1 trong n\u01b0\u1edbc bi\u1ec3n.<\/p>\n<h2 id=\"toc-7-so-sanh-nhanh-gia-tri-dien-hinh-de-dinh-huong\"><span class=\"ez-toc-section\" id=\"So_sanh_nhanh_gia_tri_dien_hinh_de_dinh_huong\"><\/span>So s\u00e1nh nhanh (gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang: Inox ~8,0 g\/cm\u00b3; Titan ~4,5 g\/cm\u00b3.<br \/>\n&#8211; M\u00f4-\u0111un \u0111\u00e0n h\u1ed3i: Inox ~193 GPa; Titan ~110 GPa.<br \/>\n&#8211; \u0110i\u1ec3m m\u1ea1nh \u0103n m\u00f2n: 316L t\u1ed1t m\u00f4i tr\u01b0\u1eddng trung t\u00ednh th\u1ea5p Cl-; 2205\/2507\/904L t\u0103ng ch\u1ed1ng r\u1ed7; Titan xu\u1ea5t s\u1eafc trong n\u01b0\u1edbc bi\u1ec3n\/clo \u1ea9m.<br \/>\n&#8211; Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c: Inox t\u1edbi ~900\u00b0C (lo\u1ea1i h\u1ee3p kim cao); Titan t\u1ed1t nh\u1ea5t d\u01b0\u1edbi ~400\u2013500\u00b0C trong kh\u00f4ng kh\u00ed.<br \/>\n&#8211; H\u00e0n\/ch\u1ebf t\u1ea1o: Inox d\u1ec5 h\u01a1n; Titan y\u00eau c\u1ea7u che kh\u00ed tr\u01a1 tuy\u1ec7t \u0111\u1ed1i.<br \/>\n&#8211; Chi ph\u00ed v\u00f2ng \u0111\u1eddi: Titan cao CAPEX, th\u1ea5p OPEX trong m\u00f4i tr\u01b0\u1eddng c\u1ef1c kh\u1eafc nghi\u1ec7t; Inox t\u1ed1i \u01b0u t\u1ed5ng th\u1ec3 khi m\u00f4i tr\u01b0\u1eddng v\u1eeba ph\u1ea3i\/ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c.<\/p>\n<h2 id=\"toc-8-luu-y-thiet-ke-lap-dat-de-tranh-chet-oan\"><span class=\"ez-toc-section\" id=\"Luu_y_thiet_ke_lap_dat_de_tranh_%E2%80%9Cchet_oan%E2%80%9D\"><\/span>L\u01b0u \u00fd thi\u1ebft k\u1ebf &#038; l\u1eafp \u0111\u1eb7t \u0111\u1ec3 tr\u00e1nh \u201cch\u1ebft oan\u201d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Tr\u00e1nh khe h\u1edf, \u0111i\u1ec3m \u0111\u1ecdng; t\u0103ng v\u1eadn t\u1ed1c d\u00f2ng v\u00e0 r\u1eeda ng\u01b0\u1ee3c \u0111\u1ec3 gi\u1ea3m c\u1eb7n\/microbiologically induced corrosion.<br \/>\n&#8211; Purge kh\u00ed tr\u01a1 k\u1ef9 m\u1eb7t sau khi h\u00e0n Inox trong d\u1ecbch v\u1ee5 clorua; v\u1edbi Titan, ki\u1ec3m so\u00e1t O2 < 50 ppm trong v\u00f9ng h\u00e0n l\u00e0 m\u1ee5c ti\u00eau th\u1ef1c t\u1ebf.\n- T\u00e1ch \u0111i\u1ec7n Titan v\u1edbi kim lo\u1ea1i kh\u00e1c trong m\u00f4i tr\u01b0\u1eddng \u1ea9m\/n\u01b0\u1edbc bi\u1ec3n (gio\u0103ng PTFE, \u1ed1ng l\u00f3t FRP).\n- Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: Pickling\/passivation cho Inox; v\u1edbi Titan, lo\u1ea1i b\u1ecf t\u1ea1p nhi\u1ec5m s\u1eaft tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh.\n- Ki\u1ec3m so\u00e1t clo t\u1ef1 do trong v\u1ec7 sinh CIP\/OIP cho thi\u1ebft b\u1ecb Inox; n\u1ebfu kh\u00f4ng kh\u1ea3 thi, c\u00e2n nh\u1eafc Titan \u1edf v\u1ecb tr\u00ed then ch\u1ed1t.\n\n\n\n<h2 id=\"toc-9-tai-lieu-tham-khao-chinh\"><span class=\"ez-toc-section\" id=\"Tai_lieu_tham_khao_chinh\"><\/span>T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; ASM International \u2013 Titanium: A Technical Guide, 2nd Ed. (T\u1ed5ng quan c\u01a1 t\u00ednh, \u0103n m\u00f2n Titan)<br \/>\n&#8211; Nickel Institute \u2013 Guidelines for the Use of Stainless Steels in Seawater (\u0102n m\u00f2n Inox trong n\u01b0\u1edbc bi\u1ec3n): https:\/\/nickelinstitute.org<br \/>\n&#8211; International Molybdenum Association (IMOA) \u2013 Stainless steels and chlorides (H\u01b0\u1edbng d\u1eabn ch\u1ecdn Inox theo Cl-): https:\/\/www.imoa.info<br \/>\n&#8211; International Titanium Association \u2013 Titanium in Heat Exchangers\/Seawater Service: https:\/\/www.titanium.org<br \/>\n&#8211; MatWeb Material Property Data (Th\u00f4ng s\u1ed1 c\u01a1 t\u00ednh, nhi\u1ec7t): https:\/\/www.matweb.com<\/p>\n<h2 id=\"toc-10-ket-luan-khi-nao-can-den-titan\"><span class=\"ez-toc-section\" id=\"Ket_luan_Khi_nao_can_den_Titan\"><\/span>K\u1ebft lu\u1eadn: Khi n\u00e0o c\u1ea7n \u0111\u1ebfn Titan?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00e3y ch\u1ecdn Titan khi m\u00f4i tr\u01b0\u1eddng c\u00f3 clorua\/c\u00e1c ch\u1ea5t oxy h\u00f3a ch\u1ee9a clo kh\u1eafc nghi\u1ec7t (\u0111\u1eb7c bi\u1ec7t n\u01b0\u1edbc bi\u1ec3n n\u00f3ng, hypochlorite) ho\u1eb7c khi tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 y\u00eau c\u1ea7u t\u1ed1i th\u01b0\u1ee3ng. Titan gi\u1ea3i quy\u1ebft d\u1ee9t \u0111i\u1ec3m r\u1ed7, SCC clorua v\u00e0 cho tu\u1ed5i th\u1ecd 15\u201325 n\u0103m+, b\u00f9 \u0111\u1eafp chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u.<br \/>\n&#8211; H\u00e3y ch\u1ecdn Inox \u0111\u00fang m\u00e1c (304\/316L\/904L\/duplex) khi m\u00f4i tr\u01b0\u1eddng \u1edf m\u1ee9c trung b\u00ecnh ho\u1eb7c c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t, khi y\u00eau c\u1ea7u \u0111\u1ed9 c\u1ee9ng v\u1eefng cao, nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao, v\u00e0 ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf. Lu\u00f4n thi\u1ebft k\u1ebf gi\u1ea3m khe h\u1edf, ki\u1ec3m so\u00e1t clo t\u1ef1 do v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u00fang quy tr\u00ecnh.<br \/>\n&#8211; Quy t\u1eafc nhanh: N\u1ebfu 316L \u0111\u00e3 h\u1ecfng c\u1ee5c b\u1ed9 s\u1edbm m\u00e0 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng, chuy\u1ec3n sang duplex\/904L; n\u1ebfu v\u1eabn r\u1ee7i ro cao ho\u1eb7c l\u00e0 n\u01b0\u1edbc bi\u1ec3n\/hypochlorite\/ClO2 \u2192 d\u00f9ng Titan.<\/p>\n<p>C\u1ea7n ph\u00e2n t\u00edch tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3 cho nh\u00e0 m\u00e1y c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt 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>So s\u00e1nh chi ti\u1ebft Inox v\u00e0 Titan: khi n\u00e0o ph\u1ea3i d\u00f9ng Titan, khi n\u00e0o Inox \u0111\u1ee7 t\u1ed1t. Ph\u00e2n t\u00edch \u0103n m\u00f2n, tr\u1ecdng l\u01b0\u1ee3ng, nhi\u1ec7t, h\u00e0n, chi ph\u00ed v\u00f2ng \u0111\u1eddi cho k\u1ef9 s\u01b0.<\/p>\n","protected":false},"author":7,"featured_media":1046,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2574","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\/2574","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=2574"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2574\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1046"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}