{"id":1221,"date":"2025-10-24T12:34:55","date_gmt":"2025-10-24T05:34:55","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/"},"modified":"2025-10-24T12:34:55","modified_gmt":"2025-10-24T05:34:55","slug":"chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/","title":{"rendered":"Ch\u1ecdn inox h\u1ed9p l\u00e0m c\u1ed5ng, h\u00e0ng r\u00e0o, lan can ch\u1ecbu l\u1ef1c \u0111\u00fang chu\u1ea9n"},"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;1221&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;Ch\u1ecdn inox h\u1ed9p l\u00e0m c\u1ed5ng, h\u00e0ng r\u00e0o, lan can ch\u1ecbu l\u1ef1c \u0111\u00fang chu\u1ea9n&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div 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19.2px;\">\n            <span class=\"kksr-muted\">\u0110\u00e1nh gi\u00e1<\/span>\n    <\/div>\n    <\/div>\n<div class=\"custom-toc\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/inoxcuongthinh.com\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Vi_sao_chon_inox_hop_cho_ket_cau_ngoai_that_chiu_luc\" >V\u00ec sao ch\u1ecdn inox h\u1ed9p cho k\u1ebft c\u1ea5u ngo\u1ea1i th\u1ea5t ch\u1ecbu l\u1ef1c<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Lua_chon_mac_inox_tieu_chuan_va_be_mat\" >L\u1ef1a ch\u1ecdn m\u00e1c inox, ti\u00eau chu\u1ea9n v\u00e0 b\u1ec1 m\u1eb7t<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Mac_thep_201_%E2%80%93_304_%E2%80%93_316_%E2%80%93_2205_dung_khi_nao\" >M\u00e1c th\u00e9p: 201 \u2013 304 \u2013 316 \u2013 2205, d\u00f9ng khi n\u00e0o?<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Tieu_chuan_san_pham_va_dung_sai_can_biet\" >Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m v\u00e0 dung sai c\u1ea7n bi\u1ebft<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Be_mat_va_hoan_thien\" >B\u1ec1 m\u1eb7t v\u00e0 ho\u00e0n thi\u1ec7n<\/a><\/li><\/ul><\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Kich_thuoc_va_do_day_khuyen_nghi_theo_hang_muc\" >K\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 d\u00e0y khuy\u1ebfn ngh\u1ecb theo h\u1ea1ng m\u1ee5c<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Thiet_ke_chiu_luc_tai_trong_tham_khao_va_vi_du_tinh_nhanh\" >Thi\u1ebft k\u1ebf ch\u1ecbu l\u1ef1c: t\u1ea3i tr\u1ecdng tham kh\u1ea3o v\u00e0 v\u00ed d\u1ee5 t\u00ednh nhanh<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Thi_cong_va_lien_ket_de_ket_cau_ben_dep_an_toan\" >Thi c\u00f4ng v\u00e0 li\u00ean k\u1ebft: \u0111\u1ec3 k\u1ebft c\u1ea5u b\u1ec1n, \u0111\u1eb9p, an to\u00e0n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Cat_%E2%80%93_han_%E2%80%93_vat_lieu_han\" >C\u1eaft \u2013 h\u00e0n \u2013 v\u1eadt li\u1ec7u h\u00e0n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Moi_noi_co_khi_va_phu_kien\" >M\u1ed1i n\u1ed1i c\u01a1 kh\u00ed v\u00e0 ph\u1ee5 ki\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Xu_ly_sau_han_va_hoan_thien\" >X\u1eed l\u00fd sau h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Chi_tiet_chong_an_mon\" >Chi ti\u1ebft ch\u1ed1ng \u0103n m\u00f2n<\/a><\/li><\/ul><\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Do_ben_bao_tri_va_loi_thuong_gap\" >\u0110\u1ed9 b\u1ec1n, b\u1ea3o tr\u00ec v\u00e0 l\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Chi_phi_va_hieu_qua_vong_doi\" >Chi ph\u00ed v\u00e0 hi\u1ec7u qu\u1ea3 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-16\" href=\"https:\/\/inoxcuongthinh.com\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Checklist_mua_hang_va_kiem_tra_chat_luong_inox_hop\" >Checklist mua h\u00e0ng v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng inox h\u1ed9p<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#Cau_hoi_nhanh\" >C\u00e2u h\u1ecfi nhanh<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/#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-vi-sao-chon-inox-hop-cho-ket-cau-ngoai-that-chiu-l\">V\u00ec sao ch\u1ecdn inox h\u1ed9p cho k\u1ebft c\u1ea5u ngo\u1ea1i th\u1ea5t ch\u1ecbu l\u1ef1c<\/a><\/li>\n<li><a href=\"#toc-1-lua-chon-mac-inox-tieu-chuan-va-be-mat\">L\u1ef1a ch\u1ecdn m\u00e1c inox, ti\u00eau chu\u1ea9n v\u00e0 b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-2-kich-thuoc-va-do-day-khuyen-nghi-theo-hang-muc\">K\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 d\u00e0y khuy\u1ebfn ngh\u1ecb theo h\u1ea1ng m\u1ee5c<\/a><\/li>\n<li><a href=\"#toc-3-thiet-ke-chiu-luc-tai-trong-tham-khao-va-vi-du-tin\">Thi\u1ebft k\u1ebf ch\u1ecbu l\u1ef1c: t\u1ea3i tr\u1ecdng tham kh\u1ea3o v\u00e0 v\u00ed d\u1ee5 t\u00ednh nhanh<\/a><\/li>\n<li><a href=\"#toc-4-thi-cong-va-lien-ket-de-ket-cau-ben-dep-an-toan\">Thi c\u00f4ng v\u00e0 li\u00ean k\u1ebft: \u0111\u1ec3 k\u1ebft c\u1ea5u b\u1ec1n, \u0111\u1eb9p, an to\u00e0n<\/a><\/li>\n<li><a href=\"#toc-5-do-ben-bao-tri-va-loi-thuong-gap\">\u0110\u1ed9 b\u1ec1n, b\u1ea3o tr\u00ec v\u00e0 l\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-6-chi-phi-va-hieu-qua-vong-doi\">Chi ph\u00ed v\u00e0 hi\u1ec7u qu\u1ea3 v\u00f2ng \u0111\u1eddi<\/a><\/li>\n<li><a href=\"#toc-7-checklist-mua-hang-va-kiem-tra-chat-luong-inox-hop\">Checklist mua h\u00e0ng v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng inox h\u1ed9p<\/a><\/li>\n<li><a href=\"#toc-8-cau-hoi-nhanh\">C\u00e2u h\u1ecfi nhanh<\/a><\/li>\n<li><a href=\"#toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox h\u1ed9p (hollow section) l\u00e0 v\u1eadt li\u1ec7u \u01b0u ti\u00ean cho c\u1ed5ng, h\u00e0ng r\u00e0o v\u00e0 lan can nh\u1edd b\u1ec1n c\u01a1 h\u1ecdc, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 th\u1ea9m m\u1ef9 cao. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p c\u00e1ch ch\u1ecdn m\u00e1c th\u00e9p, k\u00edch th\u01b0\u1edbc \u2013 \u0111\u1ed9 d\u00e0y, ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m, h\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf ch\u1ecbu l\u1ef1c, thi c\u00f4ng, b\u1ea3o tr\u00ec v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 anh em k\u1ef9 s\u01b0, th\u1ea7u, x\u01b0\u1edfng c\u01a1 kh\u00ed c\u00f3 th\u1ec3 tri\u1ec3n khai c\u00f4ng vi\u1ec7c \u201c\u0111\u00fang ngay t\u1eeb \u0111\u1ea7u\u201d. Ch\u1ee7 \u0111\u1ec1 n\u00e0y c\u0169ng l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong b\u1ee9c tranh \u1ed1ng v\u00e0 h\u1ed9p inox n\u00f3i chung (ph\u00e2n lo\u1ea1i, ti\u00eau chu\u1ea9n, \u1ee9ng d\u1ee5ng), nh\u01b0ng b\u00e0i vi\u1ebft t\u1eadp trung v\u00e0o ba h\u1ea1ng m\u1ee5c ch\u1ecbu l\u1ef1c ngo\u00e0i tr\u1eddi: c\u1ed5ng, h\u00e0ng r\u00e0o, lan can.<\/p>\n<h2 id=\"toc-0-vi-sao-chon-inox-hop-cho-ket-cau-ngoai-that-chiu-l\"><span class=\"ez-toc-section\" id=\"Vi_sao_chon_inox_hop_cho_ket_cau_ngoai_that_chiu_luc\"><\/span>V\u00ec sao ch\u1ecdn inox h\u1ed9p cho k\u1ebft c\u1ea5u ngo\u1ea1i th\u1ea5t ch\u1ecbu l\u1ef1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c t\u1ed1t: ti\u1ebft di\u1ec7n vu\u00f4ng\/ch\u1eef nh\u1eadt t\u0103ng m\u00f4 men qu\u00e1n t\u00ednh v\u00e0 \u0111\u1ed9 c\u1ee9ng u\u1ed1n so v\u1edbi \u1ed1ng tr\u00f2n c\u00f9ng kh\u1ed1i l\u01b0\u1ee3ng, ph\u00f9 h\u1ee3p l\u00e0m tr\u1ee5, khung, tay v\u1ecbn.<br \/>\n&#8211; Ch\u1ed1ng \u0103n m\u00f2n: m\u00e1c 304\/316 ch\u1ed1ng g\u1ec9 t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f4 th\u1ecb, ven bi\u1ec3n; tu\u1ed5i th\u1ecd cao v\u00e0 \u00edt b\u1ea3o tr\u00ec h\u01a1n th\u00e9p s\u01a1n k\u1ebdm.<br \/>\n&#8211; Gia c\u00f4ng \u2013 l\u1eafp \u0111\u1eb7t thu\u1eadn l\u1ee3i: h\u00e0n TIG\/MIG \u0111\u1eb9p, \u00edt bi\u1ebfn d\u1ea1ng; b\u1ec1 m\u1eb7t hairline\/No.4 che x\u01b0\u1edbc t\u1ed1t; d\u1ec5 k\u1ebft h\u1ee3p ph\u1ee5 ki\u1ec7n.<br \/>\n&#8211; Th\u1ea9m m\u1ef9 \u2013 \u0111\u1ed3ng nh\u1ea5t: g\u00f3c c\u1ea1nh s\u1eafc n\u00e9t, d\u1ec5 t\u1ea1o h\u00ecnh t\u1ed1i gi\u1ea3n, hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h2 id=\"toc-1-lua-chon-mac-inox-tieu-chuan-va-be-mat\"><span class=\"ez-toc-section\" id=\"Lua_chon_mac_inox_tieu_chuan_va_be_mat\"><\/span>L\u1ef1a ch\u1ecdn m\u00e1c inox, ti\u00eau chu\u1ea9n v\u00e0 b\u1ec1 m\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Mac_thep_201_%E2%80%93_304_%E2%80%93_316_%E2%80%93_2205_dung_khi_nao\"><\/span>M\u00e1c th\u00e9p: 201 \u2013 304 \u2013 316 \u2013 2205, d\u00f9ng khi n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Inox 201 (Cr-Ni-Mn): chi ph\u00ed th\u1ea5p, \u0111\u1ed9 ch\u1ea3y d\u1ebbo\/yield th\u01b0\u1eddng cao h\u01a1n 304, \u0111\u1ee7 cho n\u1ed9i th\u1ea5t v\u00e0 ngo\u1ea1i th\u1ea5t kh\u00f4 r\u00e1o. H\u1ea1n ch\u1ebf: d\u1ec5 \u201c\u1ed1 tr\u00e0\u201d v\u00e0 pitting trong m\u00f4i tr\u01b0\u1eddng \u1ea9m m\u1eb7n, kh\u00f3i b\u1ee5i c\u00f4ng nghi\u1ec7p, ho\u1eb7c n\u01a1i d\u00f9ng ch\u1ea5t t\u1ea9y ch\u1ee9a chloride. Kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho ven bi\u1ec3n.<br \/>\n&#8211; Inox 304\/304L (A2): l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho c\u1ed5ng, h\u00e0ng r\u00e0o, lan can d\u00e2n d\u1ee5ng \u2013 th\u01b0\u01a1ng m\u1ea1i trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f4 th\u1ecb\/n\u1ed9i \u0111\u1ecba. 304L \u01b0u ti\u00ean khi h\u00e0n nhi\u1ec1u \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n k\u1ebd.<br \/>\n&#8211; Inox 316\/316L (A4): th\u00eam Mo t\u0103ng ch\u1ed1ng pitting\/crevice; khuy\u1ebfn ngh\u1ecb cho ven bi\u1ec3n, h\u1ed3 b\u01a1i n\u01b0\u1edbc m\u1eb7n, khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t nh\u1eb9.<br \/>\n&#8211; Duplex 2205: \u0111\u1ed9 b\u1ec1n ch\u1ea3y ~450 MPa, ch\u1ed1ng \u0103n m\u00f2n clorua v\u01b0\u1ee3t tr\u1ed9i; ph\u00f9 h\u1ee3p lan can c\u1ea7u, khu ven bi\u1ec3n kh\u1eafc nghi\u1ec7t. Nh\u01b0\u1ee3c \u0111i\u1ec3m: gi\u00e1 cao, ngu\u1ed3n cung h\u1ea1n ch\u1ebf h\u01a1n.<\/p>\n<p>G\u1ee3i \u00fd nhanh theo m\u00f4i tr\u01b0\u1eddng:<br \/>\n&#8211; N\u1ed9i \u0111\u1ecba\/\u0111\u00f4 th\u1ecb: 304 l\u00e0 chu\u1ea9n, 201 ch\u1ec9 cho h\u1ea1ng m\u1ee5c \u00edt ph\u01a1i m\u01b0a n\u1eafng.<br \/>\n&#8211; Ven bi\u1ec3n (<5 km b\u1edd bi\u1ec3n) ho\u1eb7c h\u00f3a ch\u1ea5t nh\u1eb9: 316L tr\u1edf l\u00ean.\n- B\u1edd bi\u1ec3n tr\u1ef1c di\u1ec7n, c\u1ea7u c\u1ea3ng: 316L d\u00e0y h\u01a1n ho\u1eb7c duplex 2205.\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Tieu_chuan_san_pham_va_dung_sai_can_biet\"><\/span>Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m v\u00e0 dung sai c\u1ea7n bi\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u1ed0ng\/h\u1ed9p inox c\u01a1 kh\u00ed trang tr\u00ed: ASTM A554 (welded mechanical tubing) l\u00e0 chu\u1ea9n ph\u1ed5 bi\u1ebfn cho inox h\u1ed9p vu\u00f4ng\/ch\u1eef nh\u1eadt d\u00f9ng trong ki\u1ebfn tr\u00fac.<br \/>\n&#8211; V\u1eadt li\u1ec7u cu\u1ed9n t\u1ea5m: ASTM A240\/A480 (t\u1ea5m\/l\u00e1 inox) \u2013 n\u1ec1n t\u1ea3ng cho th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh.<br \/>\n&#8211; T\u01b0\u01a1ng \u0111\u01b0\u01a1ng ch\u00e2u \u00c2u: EN cho \u1ed1ng\/h\u1ed9p inox c\u01a1 kh\u00ed v\u00e0 k\u1ebft c\u1ea5u inox; khi d\u00f9ng nh\u01b0 c\u1ea5u ki\u1ec7n ch\u1ecbu l\u1ef1c, n\u00ean y\u00eau c\u1ea7u b\u00e1o c\u00e1o c\u01a1 t\u00ednh (yield\/UTS) l\u00f4 h\u00e0ng.<br \/>\n&#8211; Dung sai th\u1ef1c t\u1ebf c\u1ea7n ki\u1ec3m: k\u00edch th\u01b0\u1edbc ngo\u00e0i \u00b10.5% (t\u1ed1i thi\u1ec3u \u00b10.5 mm), \u0111\u1ed9 d\u00e0y cho ph\u00e9p \u00e2m, \u0111\u1ed9 th\u1eb3ng th\u01b0\u1eddng \u22641.5 mm\/m, g\u00f3c vu\u00f4ng, \u0111\u1ed9 xo\u1eafn, \u0111\u01b0\u1eddng h\u00e0n m\u00e0i ph\u1eb3ng.<\/p>\n<p>L\u01b0u \u00fd: N\u1ebfu d\u00f9ng nh\u01b0 c\u1ea5u ki\u1ec7n ch\u1ecbu l\u1ef1c, th\u1ecfa thu\u1eadn tr\u01b0\u1edbc v\u1ec1 c\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u (fy ~205 MPa cho 304\/316; 201 c\u00f3 th\u1ec3 \u2265240\u2013275 MPa t\u00f9y m\u00e1c) v\u00e0 y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn CO\/CQ.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Be_mat_va_hoan_thien\"><\/span>B\u1ec1 m\u1eb7t v\u00e0 ho\u00e0n thi\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Ph\u1ed5 bi\u1ebfn: 2B (m\u1edd m\u1ecbn), BA (b\u00f3ng g\u01b0\u01a1ng), No.4\/Hairline (x\u01b0\u1edbc m\u1ea3nh). Ngo\u1ea1i th\u1ea5t n\u00ean ch\u1ecdn No.4\/Hairline \u0111\u1ec3 che x\u01b0\u1edbc, b\u1ec1n th\u1ea9m m\u1ef9.<br \/>\n&#8211; Sau h\u00e0n: t\u1ea9y m\u1ed1i h\u00e0n v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1edbp Cr2O3; r\u1eeda s\u1ea1ch c\u1eb7n h\u00f3a ch\u1ea5t; ch\u00e0 x\u01b0\u1edbc l\u1ea1i c\u00f9ng h\u01b0\u1edbng.<br \/>\n&#8211; Ph\u1ee7 b\u1ea3o v\u1ec7: gi\u1eef film PE cho t\u1edbi l\u00fac b\u00e0n giao; tr\u00e1nh ti\u1ebfp x\u00fac v\u1eefa xi m\u0103ng ho\u1eb7c h\u00f3a ch\u1ea5t t\u1ea9y clo.<br \/>\n&#8211; S\u01a1n t\u0129nh \u0111i\u1ec7n: kh\u1ea3 thi n\u1ebfu c\u1ea7n m\u00e0u s\u1eafc \u0111\u1ed3ng b\u1ed9; chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t k\u1ef9 v\u00e0 ch\u1ecdn s\u01a1n t\u01b0\u01a1ng th\u00edch inox.<\/p>\n<h2 id=\"toc-2-kich-thuoc-va-do-day-khuyen-nghi-theo-hang-muc\"><span class=\"ez-toc-section\" id=\"Kich_thuoc_va_do_day_khuyen_nghi_theo_hang_muc\"><\/span>K\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 d\u00e0y khuy\u1ebfn ngh\u1ecb theo h\u1ea1ng m\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c g\u1ee3i \u00fd d\u01b0\u1edbi \u0111\u00e2y l\u00e0 kinh nghi\u1ec7m thi c\u00f4ng ph\u1ed5 bi\u1ebfn, c\u1ea7n hi\u1ec7u ch\u1ec9nh theo t\u1ea3i tr\u1ecdng th\u1ef1c t\u1ebf v\u00e0 quy chu\u1ea9n \u00e1p d\u1ee5ng.<\/p>\n<p>&#8211; Lan can d\u00e2n d\u1ee5ng \u2013 th\u01b0\u01a1ng m\u1ea1i (\u0111\u1ed9 cao tay v\u1ecbn kho\u1ea3ng 1.0\u20131.1 m):<br \/>\n  &#8211; Tr\u1ee5 ch\u00ednh: 40x40x2.0\u20133.0 mm ho\u1eb7c 50x50x2.0\u20133.0 mm (304\/316).<br \/>\n  &#8211; Tay v\u1ecbn\/\u0111\u00e0 ngang: 38x38x1.2\u20131.5 mm ho\u1eb7c 40x60x1.2\u20132.0 mm.<br \/>\n  &#8211; Thanh \u0111\u1ee9ng\/n\u1eb9p: 20x40x1.0\u20131.2 mm ho\u1eb7c 25x25x1.0\u20131.2 mm.<br \/>\n  &#8211; B\u1ea3n m\u00e3 ch\u00e2n tr\u1ee5: d\u00e0y 6\u20138 mm (d\u00e2n d\u1ee5ng) ho\u1eb7c 8\u201310 mm (khu c\u00f4ng c\u1ed9ng); bu l\u00f4ng n\u1edf\/neo h\u00f3a ch\u1ea5t M10\u2013M12 (A2-70\/A4-70).<\/p>\n<p>&#8211; H\u00e0ng r\u00e0o:<br \/>\n  &#8211; Tr\u1ee5: 40x40x1.5\u20132.0 mm (nh\u00e0 \u1edf); 50x50x2.0\u20133.0 mm (nh\u00e0 x\u01b0\u1edfng).<br \/>\n  &#8211; Thanh ngang: 30x60x1.2\u20131.5 mm; nan d\u1ecdc 20x40x1.0\u20131.2 mm.<br \/>\n  &#8211; Nh\u1ecbp tr\u1ee5: 1.8\u20132.5 m t\u00f9y chi\u1ec1u cao v\u00e0 gi\u00f3; c\u00f3 gi\u1eb1ng ch\u00e9o\/\u0111\u1ebf ch\u00f4n b\u00ea t\u00f4ng.<\/p>\n<p>&#8211; C\u1ed5ng m\u1edf\/quay:<br \/>\n  &#8211; C\u1ed9t \u0111\u1ee1: 60x60x2.0\u20133.0 mm ho\u1eb7c 80x80x2.0\u20133.0 mm; b\u1ea3n l\u1ec1 c\u00f4ng nghi\u1ec7p.<br \/>\n  &#8211; Khung c\u00e1nh: 40x80x1.5\u20133.0 mm; g\u00e2n t\u0103ng c\u1ee9ng\/gi\u1eb1ng ch\u00e9o.<br \/>\n  &#8211; Nan trang tr\u00ed: 20x40x1.0\u20131.2 mm; thanh kh\u00f3a, v\u00edt ch\u1ed1ng tr\u1ed9m inox.<br \/>\n  &#8211; V\u1edbi c\u1ed5ng l\u1edbn ho\u1eb7c n\u01a1i gi\u00f3 m\u1ea1nh, t\u0103ng \u0111\u1ed9 d\u00e0y l\u00ean 2.5\u20133.0 mm v\u00e0 gi\u1ea3m b\u01b0\u1edbc nan.<\/p>\n<p>&#8211; C\u1ed5ng tr\u01b0\u1ee3t:<br \/>\n  &#8211; D\u1ea7m bi\u00ean: 50x100x2.0\u20133.0 mm; ray d\u1eabn h\u01b0\u1edbng ph\u00f9 h\u1ee3p t\u1ea3i.<br \/>\n  &#8211; B\u00e1nh xe, ray, ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng b\u1ed9 inox ho\u1eb7c th\u00e9p m\u1ea1 k\u1ebdm ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n<h2 id=\"toc-3-thiet-ke-chiu-luc-tai-trong-tham-khao-va-vi-du-tin\"><span class=\"ez-toc-section\" id=\"Thiet_ke_chiu_luc_tai_trong_tham_khao_va_vi_du_tinh_nhanh\"><\/span>Thi\u1ebft k\u1ebf ch\u1ecbu l\u1ef1c: t\u1ea3i tr\u1ecdng tham kh\u1ea3o v\u00e0 v\u00ed d\u1ee5 t\u00ednh nhanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L\u01b0u \u00fd ph\u00e1p l\u00fd: Lu\u00f4n ki\u1ec3m tra v\u00e0 tu\u00e2n th\u1ee7 quy chu\u1ea9n\/ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh \u00e1p d\u1ee5ng cho c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n (TCVN\/QCVN ho\u1eb7c ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn). C\u00e1c gi\u00e1 tr\u1ecb d\u01b0\u1edbi \u0111\u00e2y ch\u1ec9 mang t\u00ednh tham kh\u1ea3o th\u00f4ng d\u1ee5ng theo th\u00f4ng l\u1ec7 qu\u1ed1c t\u1ebf.<\/p>\n<p>&#8211; Lan can (t\u1ea3i ngang \u1edf tay v\u1ecbn, cao ~1.1 m):<br \/>\n  &#8211; Nh\u00e0 \u1edf\/v\u0103n ph\u00f2ng: t\u1ea3i ph\u00e2n b\u1ed1 \u0111\u1ec1u 0.5\u20131.0 kN\/m; t\u1ea3i t\u1eadp trung 0.5\u20131.0 kN.<br \/>\n  &#8211; Khu c\u00f4ng c\u1ed9ng \u0111\u00f4ng ng\u01b0\u1eddi: 1.5\u20133.0 kN\/m.<br \/>\n&#8211; C\u1ed5ng\/h\u00e0ng r\u00e0o:<br \/>\n  &#8211; T\u1ea3i gi\u00f3 \u0111i\u1ec3n h\u00ecnh 0.3\u20130.8 kPa (t\u00f9y khu v\u1ef1c, \u0111\u1ed9 tho\u00e1ng c\u00e1nh). V\u1edbi c\u1ed5ng k\u00edn, h\u1ec7 s\u1ed1 c\u1ea3n gi\u00f3 cao h\u01a1n.<br \/>\n  &#8211; L\u1ef1c va \u0111\u1eadp v\u00e0 t\u1ea3i \u0111\u1ed9ng khi \u0111\u00f3ng\/m\u1edf c\u1ea7n x\u00e9t \u0111\u1ebfn trong l\u1ef1a ch\u1ecdn b\u1ea3n l\u1ec1 v\u00e0 g\u00e2n t\u0103ng c\u1ee9ng.<\/p>\n<p>V\u00ed d\u1ee5 t\u00ednh nhanh cho tr\u1ee5 lan can:<br \/>\n&#8211; B\u00e0i to\u00e1n: Lan can cao h = 1.1 m, t\u1ea3i ngang thi\u1ebft k\u1ebf w = 1.0 kN\/m, kho\u1ea3ng c\u00e1ch tr\u1ee5 s = 1.2 m. L\u1ef1c t\u1ea1i \u0111\u1ea7u tr\u1ee5 P \u2248 w \u00d7 s = 1.2 kN. Momen ch\u00e2n tr\u1ee5 M \u2248 P \u00d7 h = 1.32 kN\u00b7m.<br \/>\n&#8211; V\u1edbi inox 304, fy \u2248 205 MPa. Gi\u1ea3 s\u1eed \u1ee9ng su\u1ea5t cho ph\u00e9p \u03c3d \u2248 fy\/1.5 \u2248 137 MPa.<br \/>\n&#8211; M\u00f4 \u0111un ch\u1ed1ng u\u1ed1n y\u00eau c\u1ea7u Zreq = M\/\u03c3d \u2248 1.32\u00d710^6 N\u00b7mm \/ 137 MPa \u2248 9,640 mm\u00b3.<br \/>\n&#8211; So s\u00e1nh ti\u1ebft di\u1ec7n:<br \/>\n  &#8211; 50x50x2.0 mm: Z \u2248 5,900 mm\u00b3 \u2192 thi\u1ebfu.<br \/>\n  &#8211; 50x50x3.0 mm: Z \u2248 8,340 mm\u00b3 \u2192 v\u1eabn thi\u1ebfu ch\u00fat.<br \/>\n  &#8211; 60x60x3.0 mm: Z \u2248 12,370 mm\u00b3 \u2192 \u0111\u1ea1t.<br \/>\nK\u1ebft lu\u1eadn: V\u1edbi t\u1ea3i 1.0 kN\/m v\u00e0 b\u01b0\u1edbc tr\u1ee5 1.2 m, n\u00ean ch\u1ecdn tr\u1ee5 60x60x3.0 mm ho\u1eb7c gi\u1ea3m b\u01b0\u1edbc tr\u1ee5 xu\u1ed1ng ~1.0 m (khi \u0111\u00f3 50x50x2.0\u20133.0 mm c\u00f3 th\u1ec3 \u0111\u1ea1t). C\u1ea7n ki\u1ec3m tra th\u00eam \u1ed5n \u0111\u1ecbnh b\u1ea3n m\u00e3, bu l\u00f4ng neo v\u00e0 bi\u1ebfn d\u1ea1ng cho c\u1ea3m gi\u00e1c ch\u1eafc ch\u1eafn.<\/p>\n<p>G\u1ee3i \u00fd thi\u1ebft k\u1ebf b\u1ea3n m\u00e3 v\u00e0 neo:<br \/>\n&#8211; B\u1ea3n m\u00e3 d\u00e0y 8\u201310 mm, k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u 120&#215;120 mm v\u1edbi 4 bu l\u00f4ng M12 cho tr\u1ee5 60&#215;60; d\u00f9ng ke t\u0103ng c\u1ee9ng n\u1ebfu c\u1ea7n.<br \/>\n&#8211; Bu l\u00f4ng v\u00e0 neo h\u00f3a ch\u1ea5t inox A2-70 (\u0111\u00f4 th\u1ecb) ho\u1eb7c A4-70 (ven bi\u1ec3n). Ki\u1ec3m tra chi\u1ec1u s\u00e2u neo theo t\u1ea3i c\u1eaft v\u00e0 nh\u1ed5.<\/p>\n<h2 id=\"toc-4-thi-cong-va-lien-ket-de-ket-cau-ben-dep-an-toan\"><span class=\"ez-toc-section\" id=\"Thi_cong_va_lien_ket_de_ket_cau_ben_dep_an_toan\"><\/span>Thi c\u00f4ng v\u00e0 li\u00ean k\u1ebft: \u0111\u1ec3 k\u1ebft c\u1ea5u b\u1ec1n, \u0111\u1eb9p, an to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Cat_%E2%80%93_han_%E2%80%93_vat_lieu_han\"><\/span>C\u1eaft \u2013 h\u00e0n \u2013 v\u1eadt li\u1ec7u h\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; C\u1eaft: d\u00f9ng l\u01b0\u1ee1i c\u1eaft d\u00e0nh cho inox; tr\u00e1nh d\u00f9ng \u0111\u0129a t\u1eebng c\u1eaft th\u00e9p carbon (nguy c\u01a1 nhi\u1ec5m s\u1eaft g\u00e2y g\u1ec9).<br \/>\n&#8211; H\u00e0n: TIG cho m\u1ed1i h\u00e0n s\u1ea1ch, \u00edt b\u1eafn; MIG cho n\u0103ng su\u1ea5t cao. D\u00f9ng v\u1eadt li\u1ec7u h\u00e0n t\u01b0\u01a1ng th\u00edch:<br \/>\n  &#8211; 304\/304L: ER308L.<br \/>\n  &#8211; 316\/316L: ER316L.<br \/>\n  &#8211; Duplex 2205: ER2209.<br \/>\n&#8211; Ki\u1ec3m so\u00e1t nhi\u1ec7t: k\u1eb9p g\u00e1 ch\u1eafc \u0111\u1ec3 h\u1ea1n ch\u1ebf cong v\u00eanh; m\u1ed1i h\u00e0n li\u00ean t\u1ee5c \u1edf v\u1ecb tr\u00ed ch\u1ecbu n\u01b0\u1edbc \u0111\u1ecdng \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n k\u1ebd.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Moi_noi_co_khi_va_phu_kien\"><\/span>M\u1ed1i n\u1ed1i c\u01a1 kh\u00ed v\u00e0 ph\u1ee5 ki\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; B\u1ea3n m\u00e3, p\u00e1t li\u00ean k\u1ebft: th\u00e9p kh\u00f4ng g\u1ec9 c\u00f9ng m\u00e1c; bo g\u00f3c, t\u1ea9y bavia.<br \/>\n&#8211; Bu l\u00f4ng, \u1ed1c, t\u00e1n: A2-70 cho \u0111\u00f4 th\u1ecb; A4-70 cho ven bi\u1ec3n\/h\u1ed3 b\u01a1i.<br \/>\n&#8211; Neo: \u01b0u ti\u00ean neo h\u00f3a ch\u1ea5t \u1edf m\u00e9p s\u00e0n b\u00ea t\u00f4ng m\u1ecfng; l\u00e0m s\u1ea1ch l\u1ed7 khoan tr\u01b0\u1edbc khi b\u01a1m keo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xu_ly_sau_han_va_hoan_thien\"><\/span>X\u1eed l\u00fd sau h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; T\u1ea9y m\u1ed1i v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a: d\u00f9ng gel\/paste chuy\u00ean d\u1ee5ng cho inox; trung h\u00f2a v\u00e0 r\u1eeda n\u01b0\u1edbc s\u1ea1ch, lau kh\u00f4.<br \/>\n&#8211; \u0110\u00e1nh x\u01b0\u1edbc: c\u00f9ng h\u01b0\u1edbng hairline\/No.4; d\u00f9ng pad nylon, kh\u00f4ng d\u00f9ng b\u00fai s\u1eaft.<br \/>\n&#8211; B\u1ecbt \u0111\u1ea7u v\u00e0 tho\u00e1t n\u01b0\u1edbc: ch\u1ee5p \u0111\u1ea7u h\u1ed9p \u0111\u1ec3 ng\u0103n n\u01b0\u1edbc; khoan l\u1ed7 tho\u00e1t \u1ea9n \u1edf v\u1ecb tr\u00ed \u0111\u00e1y n\u1ebfu c\u00f3 th\u1ec3. T\u1ea1o l\u1ed7 th\u00f4ng kh\u00ed khi m\u1ea1\/nh\u00fang\/h\u00e0n k\u00edn \u0111\u1ec3 tr\u00e1nh \u00e1p su\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chi_tiet_chong_an_mon\"><\/span>Chi ti\u1ebft ch\u1ed1ng \u0103n m\u00f2n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; T\u00e1ch inox v\u1edbi th\u00e9p carbon b\u1eb1ng \u0111\u1ec7m nh\u1ef1a ho\u1eb7c s\u01a1n c\u00e1ch ly \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; Tr\u00e1nh khe h\u1edf b\u1ea9n t\u00edch t\u1ee5; \u01b0u ti\u00ean c\u1ea5u t\u1ea1o tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<br \/>\n&#8211; Kh\u00f4ng d\u00f9ng h\u00f3a ch\u1ea5t t\u1ea9y ch\u1ee9a chloride; n\u1ebfu b\u1eaft bu\u1ed9c, r\u1eeda trung h\u00f2a ngay.<\/p>\n<h2 id=\"toc-5-do-ben-bao-tri-va-loi-thuong-gap\"><span class=\"ez-toc-section\" id=\"Do_ben_bao_tri_va_loi_thuong_gap\"><\/span>\u0110\u1ed9 b\u1ec1n, b\u1ea3o tr\u00ec v\u00e0 l\u1ed7i th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; L\u1ecbch v\u1ec7 sinh: \u0111\u00f4 th\u1ecb n\u1ed9i \u0111\u1ecba 3\u20136 th\u00e1ng\/l\u1ea7n; ven bi\u1ec3n 1\u20133 th\u00e1ng\/l\u1ea7n b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch v\u00e0 x\u00e0 ph\u00f2ng trung t\u00ednh.<br \/>\n&#8211; \u201c\u1ed0 tr\u00e0\u201d (tea staining): th\u01b0\u1eddng g\u1eb7p \u1edf 201\/304 g\u1ea7n bi\u1ec3n; x\u1eed l\u00fd b\u1eb1ng dung d\u1ecbch t\u1ea9y inox v\u00e0 c\u1ea3i thi\u1ec7n l\u1ecbch v\u1ec7 sinh. D\u00f9ng 316L\/2205 \u0111\u1ec3 h\u1ea1n ch\u1ebf.<br \/>\n&#8211; H\u01b0 h\u1ecfng \u0111i\u1ec3n h\u00ecnh:<br \/>\n  &#8211; G\u1ec9 n\u00e2u d\u1ecdc theo \u0111\u01b0\u1eddng h\u00e0n: ch\u01b0a t\u1ea9y\/kh\u1eed sau h\u00e0n.<br \/>\n  &#8211; Ch\u1ea5m r\u1ec9 quanh v\u00edt th\u00e9p: ph\u1ee5 ki\u1ec7n kh\u00f4ng \u0111\u1ed3ng b\u1ed9 m\u00e1c ho\u1eb7c nhi\u1ec5m s\u1eaft.<br \/>\n  &#8211; \u1ed0 m\u1edd, loang: do v\u1eefa xi m\u0103ng\/axit t\u1ea9y r\u1eeda b\u00e1m l\u00e2u.<\/p>\n<h2 id=\"toc-6-chi-phi-va-hieu-qua-vong-doi\"><span class=\"ez-toc-section\" id=\"Chi_phi_va_hieu_qua_vong_doi\"><\/span>Chi ph\u00ed v\u00e0 hi\u1ec7u qu\u1ea3 v\u00f2ng \u0111\u1eddi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; So s\u00e1nh t\u01b0\u01a1ng \u0111\u1ed1i (tham kh\u1ea3o, t\u00f9y th\u1ecb tr\u01b0\u1eddng): 201 r\u1ebb h\u01a1n 304 kho\u1ea3ng 15\u201330%; 316 cao h\u01a1n 304 kho\u1ea3ng 20\u201340%; 2205 cao h\u01a1n \u0111\u00e1ng k\u1ec3.<br \/>\n&#8211; T\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (LCC): 304\/316 th\u01b0\u1eddng r\u1ebb h\u01a1n v\u1ec1 d\u00e0i h\u1ea1n do b\u1ea3o tr\u00ec th\u1ea5p, \u0111\u1eb7c bi\u1ec7t \u1edf m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t n\u01a1i th\u00e9p s\u01a1n\/g\u1ec9 c\u1ea7n s\u01a1n l\u1ea1i nhi\u1ec1u l\u1ea7n.<\/p>\n<h2 id=\"toc-7-checklist-mua-hang-va-kiem-tra-chat-luong-inox-hop\"><span class=\"ez-toc-section\" id=\"Checklist_mua_hang_va_kiem_tra_chat_luong_inox_hop\"><\/span>Checklist mua h\u00e0ng v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng inox h\u1ed9p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9: CO\/CQ, ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng (ASTM A554), th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 c\u01a1 t\u00ednh l\u00f4 h\u00e0ng.<br \/>\n&#8211; Ki\u1ec3m tra nhanh:<br \/>\n  &#8211; \u0110\u1ed9 d\u00e0y th\u1ef1c \u0111o (th\u01b0\u1edbc c\u1eb7p\/si\u00eau \u00e2m) \u0111\u00e1p \u1ee9ng t\u1ed1i thi\u1ec3u cam k\u1ebft.<br \/>\n  &#8211; \u0110\u1ed9 th\u1eb3ng v\u00e0 g\u00f3c vu\u00f4ng; \u0111\u01b0\u1eddng h\u00e0n m\u00e0i ph\u1eb3ng, kh\u00f4ng l\u1ed7 x\u1ed1p.<br \/>\n  &#8211; B\u1ec1 m\u1eb7t \u0111\u00fang ho\u00e0n thi\u1ec7n (HL\/No.4\/BA), film b\u1ea3o v\u1ec7 nguy\u00ean v\u1eb9n.<br \/>\n  &#8211; Th\u1eed PMI\/XRF khi c\u1ea7n; \u0111\u1eebng d\u1ef1a v\u00e0o nam ch\u00e2m \u0111\u1ec3 ph\u00e2n bi\u1ec7t m\u00e1c (201\/304 c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb sau gia c\u00f4ng).<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng b\u1ed9: b\u1ea3n m\u00e3, bu l\u00f4ng, ch\u1ee5p \u0111\u1ea7u, n\u1eafp b\u1ecbt, v\u1eadt li\u1ec7u h\u00e0n \u0111\u00fang m\u00e1c.<\/p>\n<h2 id=\"toc-8-cau-hoi-nhanh\"><span class=\"ez-toc-section\" id=\"Cau_hoi_nhanh\"><\/span>C\u00e2u h\u1ecfi nhanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Inox 201 c\u00f3 d\u00f9ng l\u00e0m lan can ngo\u00e0i tr\u1eddi kh\u00f4ng? C\u00f3 th\u1ec3 \u1edf n\u1ed9i \u0111\u1ecba kh\u00f4 r\u00e1o, nh\u01b0ng 304 an to\u00e0n h\u01a1n; ven bi\u1ec3n n\u00ean d\u00f9ng 316L.<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u cho tr\u1ee5 lan can? Th\u01b0\u1eddng t\u1eeb 2.0 mm; v\u1edbi t\u1ea3i cao\/kho\u1ea3ng c\u00e1ch tr\u1ee5 l\u1edbn c\u00f3 th\u1ec3 c\u1ea7n 2.5\u20133.0 mm.<br \/>\n&#8211; \u1ed0ng tr\u00f2n hay h\u1ed9p vu\u00f4ng cho tay v\u1ecbn? Tay v\u1ecbn tr\u00f2n c\u1ea7m n\u1eafm t\u1ed1t; h\u1ed9p vu\u00f4ng\/ch\u1eef nh\u1eadt cho khung\/tr\u1ee5 \u0111\u1ec3 t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 th\u1ea9m m\u1ef9.<br \/>\n&#8211; 316 v\u00e0 316L kh\u00e1c g\u00ec? 316L c\u00f3 h\u00e0m l\u01b0\u1ee3ng C th\u1ea5p h\u01a1n, h\u00e0n t\u1ed1t h\u01a1n v\u00e0 gi\u1ea3m \u0103n m\u00f2n k\u1ebd; ch\u1ecdn 316L khi h\u00e0n nhi\u1ec1u.<br \/>\n&#8211; C\u00f3 n\u00ean s\u01a1n t\u0129nh \u0111i\u1ec7n inox? C\u00f3, n\u1ebfu c\u1ea7n m\u00e0u s\u1eafc; x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 ch\u1ecdn s\u01a1n ph\u00f9 h\u1ee3p \u0111\u1ec3 b\u00e1m d\u00ednh t\u1ed1t.<\/p>\n<h2 id=\"toc-9-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>\u0110\u1ec3 c\u1ed5ng, h\u00e0ng r\u00e0o v\u00e0 lan can inox h\u1ed9p v\u1eeba \u0111\u1eb9p v\u1eeba b\u1ec1n, h\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb l\u1ef1a ch\u1ecdn m\u00e1c ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng (304 cho \u0111\u00f4 th\u1ecb, 316L cho ven bi\u1ec3n, 2205 cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t), ch\u1ecdn k\u00edch th\u01b0\u1edbc \u2013 \u0111\u1ed9 d\u00e0y theo t\u1ea3i tr\u1ecdng v\u00e0 b\u01b0\u1edbc tr\u1ee5 h\u1ee3p l\u00fd, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m (ASTM A554), h\u00e0n \u0111\u00fang v\u1eadt li\u1ec7u b\u1ed5 sung, t\u1ea9y \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n, v\u00e0 s\u1eed d\u1ee5ng ph\u1ee5 ki\u1ec7n inox \u0111\u1ed3ng b\u1ed9. K\u1ebft h\u1ee3p thi\u1ebft k\u1ebf b\u1ea3n m\u00e3 \u2013 neo \u0111\u1ea1t y\u00eau c\u1ea7u v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3, b\u1ea1n s\u1ebd t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c \u0111\u1ed9 an to\u00e0n, tu\u1ed5i th\u1ecd v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi c\u1ee7a h\u1ea1ng m\u1ee5c. N\u1ebfu c\u1ea7n b\u1ea3ng quy c\u00e1ch s\u1eb5n kho v\u00e0 t\u01b0 v\u1ea5n ch\u1ecdn nhanh theo c\u00f4ng tr\u00ecnh t\u1ea1i H\u00e0 N\u1ed9i v\u00e0 l\u00e2n c\u1eadn, h\u00e3y chu\u1ea9n b\u1ecb th\u00f4ng tin m\u00f4i tr\u01b0\u1eddng, k\u00edch th\u01b0\u1edbc d\u1ef1 ki\u1ebfn, b\u01b0\u1edbc tr\u1ee5 v\u00e0 t\u1ea3i tr\u1ecdng \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p ngay.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c, k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y v\u00e0 thi c\u00f4ng inox h\u1ed9p cho c\u1ed5ng, h\u00e0ng r\u00e0o, lan can ch\u1ecbu l\u1ef1c. K\u00e8m t\u1ea3i tr\u1ecdng tham kh\u1ea3o, v\u00ed d\u1ee5 t\u00ednh nhanh, m\u1eb9o ch\u1ed1ng g\u1ec9.<\/p>\n","protected":false},"author":7,"featured_media":1033,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1221","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\/1221","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=1221"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1221\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1033"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}