{"id":2052,"date":"2026-05-23T12:34:08","date_gmt":"2026-05-23T05:34:08","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/chon-inox-cho-lan-can-toi-uu-tham-my-do-ben-va-chi-phi-vong-doi\/"},"modified":"2026-05-23T12:34:08","modified_gmt":"2026-05-23T05:34:08","slug":"chon-inox-cho-lan-can-toi-uu-tham-my-do-ben-va-chi-phi-vong-doi","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/chon-inox-cho-lan-can-toi-uu-tham-my-do-ben-va-chi-phi-vong-doi\/","title":{"rendered":"Ch\u1ecdn inox cho lan can: t\u1ed1i \u01b0u th\u1ea9m m\u1ef9, \u0111\u1ed9 b\u1ec1n v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-vi-sao-inox-phu-hop-nhat-cho-lan-can\">V\u00ec sao inox ph\u00f9 h\u1ee3p nh\u1ea5t cho lan can?<\/a><\/li>\n<li><a href=\"#toc-1-chon-mac-inox-theo-moi-truong-3-buoc-thuc-dung\">Ch\u1ecdn m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng: 3 b\u01b0\u1edbc th\u1ef1c d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-2-so-sanh-mac-inox-pho-bien-cho-lan-can\">So s\u00e1nh m\u00e1c inox ph\u1ed5 bi\u1ebfn cho lan can<\/a><\/li>\n<li><a href=\"#toc-3-toi-uu-tham-my-be-mat-kieu-dang-phu-kien\">T\u1ed1i \u01b0u th\u1ea9m m\u1ef9: b\u1ec1 m\u1eb7t, ki\u1ec3u d\u00e1ng, ph\u1ee5 ki\u1ec7n<\/a><\/li>\n<li><a href=\"#toc-4-toi-uu-do-ben-thiet-ke-chong-an-mon-va-ket-cau-an-\">T\u1ed1i \u01b0u \u0111\u1ed9 b\u1ec1n: thi\u1ebft k\u1ebf ch\u1ed1ng \u0103n m\u00f2n v\u00e0 k\u1ebft c\u1ea5u an to\u00e0n<\/a><\/li>\n<li><a href=\"#toc-5-can-doi-ngan-sach-chi-phi-ban-dau-vs-chi-phi-vong-\">C\u00e2n \u0111\u1ed1i ng\u00e2n s\u00e1ch: chi ph\u00ed ban \u0111\u1ea7u vs chi ph\u00ed v\u00f2ng \u0111\u1eddi<\/a><\/li>\n<li><a href=\"#toc-6-quy-trinh-thi-cong-chuan-de-lan-can-ben-dep\">Quy tr\u00ecnh thi c\u00f4ng chu\u1ea9n \u0111\u1ec3 lan can b\u1ec1n \u0111\u1eb9p<\/a><\/li>\n<li><a href=\"#toc-7-nhung-loi-thuong-gap-va-cach-tranh\">Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-8-bang-chon-nhanh-theo-kich-ban-thuc-te\">B\u1ea3ng ch\u1ecdn nhanh theo k\u1ecbch b\u1ea3n th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-9-nguon-tham-khao-chinh\">Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Lan can inox v\u1eeba \u0111\u1eb9p, b\u1ec1n, l\u1ea1i d\u1ec5 b\u1ea3o tr\u00ec \u2013 nh\u01b0ng ch\u1ecdn sai m\u00e1c inox hay b\u1ec1 m\u1eb7t s\u1ebd khi\u1ebfn chi ph\u00ed t\u0103ng g\u1ea5p \u0111\u00f4i do \u1ed1 v\u00e0ng, r\u1ed7 \u0103n m\u00f2n ho\u1eb7c ph\u1ea3i thay m\u1edbi s\u1edbm. B\u00e0i vi\u1ebft n\u00e0y l\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 b\u1ea1n c\u00e2n b\u1eb1ng th\u1ea9m m\u1ef9, \u0111\u1ed9 b\u1ec1n v\u00e0 ng\u00e2n s\u00e1ch khi ch\u1ecdn inox l\u00e0m lan can cho nh\u00e0 d\u00e2n, c\u00f4ng tr\u00ecnh th\u01b0\u01a1ng m\u1ea1i hay c\u00f4ng nghi\u1ec7p \u2013 m\u1ed9t m\u1ea3nh gh\u00e9p quan tr\u1ecdng trong vi\u1ec7c l\u1ef1a ch\u1ecdn inox theo m\u00f4i tr\u01b0\u1eddng, m\u1ee5c \u0111\u00edch v\u00e0 ng\u00e2n s\u00e1ch.<\/p>\n<h2 id=\"toc-0-vi-sao-inox-phu-hop-nhat-cho-lan-can\">V\u00ec sao inox ph\u00f9 h\u1ee3p nh\u1ea5t cho lan can?<\/h2>\n<p>&#8211; Ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t: th\u00e9p kh\u00f4ng g\u1ec9 (stainless) c\u00f3 t\u1ed1i thi\u1ec3u ~10.5% Cr h\u00ecnh th\u00e0nh l\u1edbp m\u00e0ng th\u1ee5 \u0111\u1ed9ng t\u1ef1 h\u1ed3i ph\u1ee5c, gi\u00fap ch\u1ed1ng g\u1ec9 trong \u0111a s\u1ed1 m\u00f4i tr\u01b0\u1eddng.<br \/>\n&#8211; Th\u1ea9m m\u1ef9 hi\u1ec7n \u0111\u1ea1i: b\u1ec1 m\u1eb7t satin\/hairline, g\u01b0\u01a1ng 8K, phun c\u00e1t ho\u1eb7c PVD m\u00e0u \u0111\u00e1p \u1ee9ng nhi\u1ec1u phong c\u00e1ch ki\u1ebfn tr\u00fac.<br \/>\n&#8211; C\u01a1 t\u00ednh \u1ed5n \u0111\u1ecbnh: \u0111\u1ee7 b\u1ec1n cho t\u1ea3i s\u1eed d\u1ee5ng c\u1ee7a tay v\u1ecbn v\u00e0 h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 khi thi\u1ebft k\u1ebf \u0111\u00fang.<br \/>\n&#8211; B\u1ea3o tr\u00ec th\u1ea5p: v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 b\u1eb1ng dung d\u1ecbch trung t\u00ednh l\u00e0 \u0111\u1ee7, kh\u00f4ng c\u1ea7n s\u01a1n ph\u1ee7 \u0111\u1ecbnh k\u1ef3 nh\u01b0 th\u00e9p carbon.<\/p>\n<h2 id=\"toc-1-chon-mac-inox-theo-moi-truong-3-buoc-thuc-dung\">Ch\u1ecdn m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng: 3 b\u01b0\u1edbc th\u1ef1c d\u1ee5ng<\/h2>\n<h3>B\u01b0\u1edbc 1 \u2013 X\u00e1c \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/h3>\n<p>&#8211; Trong nh\u00e0, kh\u00f4 r\u00e1o: c\u1ea7u thang trong nh\u00e0, h\u00e0nh lang th\u00f4ng tho\u00e1ng.<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb n\u1ed9i \u0111\u1ecba (v\u00ed d\u1ee5 H\u00e0 N\u1ed9i): m\u01b0a axit nh\u1eb9, b\u1ee5i, \u00f4 nhi\u1ec5m SOx\/NOx.<br \/>\n&#8211; Ven bi\u1ec3n, g\u1ea7n h\u1ed3 b\u01a1i, khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t\/xi m\u1ea1: h\u00e0m l\u01b0\u1ee3ng chloride cao, nguy c\u01a1 \u201ctea staining\u201d, pitting.<br \/>\n&#8211; V\u1ec7 sinh c\u00f3 d\u00f9ng h\u00f3a ch\u1ea5t ch\u1ee9a chlorine (NaOCl), HCl ho\u1eb7c mu\u1ed1i r\u1ea3i b\u0103ng (\u00edt g\u1eb7p \u1edf VN): r\u1ee7i ro \u0103n m\u00f2n t\u0103ng m\u1ea1nh.<\/p>\n<p>G\u1ee3i \u00fd d\u00f9ng ch\u1ec9 s\u1ed1 PREN \u0111\u1ec3 \u201c\u0111\u1ecbnh l\u01b0\u1ee3ng\u201d kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7\/pitting v\u1edbi chloride:<br \/>\n&#8211; PREN \u2248 %Cr + 3.3\u00d7%Mo + 16\u00d7%N<br \/>\n&#8211; 201: ~15\u201317; 304: ~18\u201319; 316\/316L: ~23\u201324<\/p>\n<h3>B\u01b0\u1edbc 2 \u2013 Ch\u1ecdn m\u00e1c inox ph\u00f9 h\u1ee3p<\/h3>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng kh\u00f4 trong nh\u00e0, ng\u00e2n s\u00e1ch r\u1ea5t h\u1ea1n ch\u1ebf: 201 ho\u1eb7c 430 c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc cho tay v\u1ecbn trang tr\u00ed; 304 v\u1eabn l\u00e0 khuy\u1ebfn ngh\u1ecb an to\u00e0n h\u01a1n v\u1ec1 l\u00e2u d\u00e0i.<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb n\u1ed9i \u0111\u1ecba: 304\/304L l\u00e0 ti\u00eau chu\u1ea9n th\u1ef1c t\u1ebf cho ban c\u00f4ng, s\u1ea3nh, c\u1ea7u thang ngo\u00e0i tr\u1eddi.<br \/>\n&#8211; Ven bi\u1ec3n (<5\u201310 km b\u1edd bi\u1ec3n), h\u1ed3 b\u01a1i, spa, khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t nh\u1eb9: 316\/316L cho r\u1ee7i ro chloride cao, h\u1ea1n ch\u1ebf \u1ed1 v\u00e0ng v\u00e0 pitting.\n- M\u1ed1i h\u00e0n nhi\u1ec1u\/chi ti\u1ebft d\u00e0y: \u01b0u ti\u00ean 304L\/316L (h\u00e0m l\u01b0\u1ee3ng C th\u1ea5p) \u0111\u1ec3 gi\u1ea3m nh\u1ea1y c\u1ea3m \u0103n m\u00f2n v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t.\n\nL\u01b0u \u00fd nam ch\u00e2m: 304\/316 nguy\u00ean tr\u1ea1ng g\u1ea7n nh\u01b0 kh\u00f4ng nhi\u1ec5m t\u1eeb, nh\u01b0ng c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb sau c\u00e1n ngu\u1ed9i; 430 nhi\u1ec5m t\u1eeb m\u1ea1nh; 201 c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9.\n\n\n\n<h3>B\u01b0\u1edbc 3 \u2013 X\u00e1c nh\u1eadn ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u v\u00e0 ch\u1ee9ng ch\u1ec9<\/h3>\n<p>&#8211; \u1ed0ng c\u01a1 kh\u00ed \u0111\u00e1nh b\u00f3ng: ASTM A554 (ph\u1ed5 bi\u1ebfn cho lan can), ch\u1ecdn 304\/316 \u0111\u00fang m\u00e1c, \u0111\u00fang b\u1ec1 m\u1eb7t.<br \/>\n&#8211; T\u1ea5m\/\u0111\u0129a ch\u00e2n \u0111\u1ebf: ASTM A240 (304\/316).<br \/>\n&#8211; Thanh tr\u00f2n, ph\u1ee5 ki\u1ec7n ti\u1ec7n CNC: ASTM A276.<br \/>\n&#8211; \u1ed0ng ch\u1ecbu \u00e1p\/\u0111\u01b0\u1eddng \u1ed1ng: ASTM A312 (n\u1ebfu d\u00f9ng d\u1ea1ng \u1ed1ng h\u00e0n\/\u0111\u00fac).<br \/>\n&#8211; Y\u00eau c\u1ea7u MTC (Mill Test Certificate), th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc\/ c\u01a1 t\u00ednh \u0111\u00fang UNS (304: S30400; 316: S31600; 201: S20100).<\/p>\n<h2 id=\"toc-2-so-sanh-mac-inox-pho-bien-cho-lan-can\">So s\u00e1nh m\u00e1c inox ph\u1ed5 bi\u1ebfn cho lan can<\/h2>\n<p>&#8211; Inox 201 (Cr-Mn-Ni th\u1ea5p)<br \/>\n  &#8211; \u01afu: Gi\u00e1 th\u1ea5p nh\u1ea5t; b\u1ec1 m\u1eb7t \u0111\u00e1nh x\u01b0\u1edbc\/hairline nh\u00ecn kh\u00e1 \u0111\u1eb9p khi m\u1edbi.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Ch\u1ed1ng \u0103n m\u00f2n k\u00e9m h\u01a1n 304\/316; d\u1ec5 \u1ed1 v\u00e0ng ngo\u00e0i tr\u1eddi\/\u1ea9m; r\u1ee7i ro pitting khi c\u00f3 chloride. N\u00ean gi\u1edbi h\u1ea1n cho n\u1ed9i th\u1ea5t kh\u00f4 r\u00e1o.<br \/>\n&#8211; Inox 304\/304L (18Cr-8Ni)<br \/>\n  &#8211; \u01afu: C\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa gi\u00e1 v\u00e0 b\u1ec1n; l\u1ef1a ch\u1ecdn chu\u1ea9n cho H\u00e0 N\u1ed9i v\u00e0 \u0111\u00f4 th\u1ecb n\u1ed9i \u0111\u1ecba; d\u1ec5 gia c\u00f4ng, h\u00e0n TIG\/MIG \u1ed5n \u0111\u1ecbnh.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: \u1ede m\u00f4i tr\u01b0\u1eddng chloride cao c\u00f3 th\u1ec3 b\u1ecb tea staining n\u1ebfu thi\u1ebft k\u1ebf\/b\u1ea3o tr\u00ec ch\u01b0a chu\u1ea9n.<br \/>\n&#8211; Inox 316\/316L (Mo ~2\u20132.5%)<br \/>\n  &#8211; \u01afu: Kh\u00e1ng chloride v\u01b0\u1ee3t tr\u1ed9i; ph\u00f9 h\u1ee3p ven bi\u1ec3n, h\u1ed3 b\u01a1i, m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p; b\u1ec1n m\u1eb7t n\u01b0\u1edbc mu\u1ed1i.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Gi\u00e1 cao h\u01a1n 304 kho\u1ea3ng 30\u201360% t\u00f9y th\u1ecb tr\u01b0\u1eddng\/th\u1eddi \u0111i\u1ec3m.<br \/>\n&#8211; Inox 430 (ferritic, 16\u201318%Cr, kh\u00f4ng Ni)<br \/>\n  &#8211; \u01afu: Gi\u00e1 m\u1ec1m; ch\u1ed1ng g\u1ec9 t\u1ed1t h\u01a1n th\u00e9p m\u1ea1\/s\u01a1n; d\u00f9ng \u0111\u01b0\u1ee3c n\u1ed9i th\u1ea5t kh\u00f4.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Ch\u1ed1ng \u0103n m\u00f2n thua 304; m\u1ed1i h\u00e0n nh\u1ea1y c\u1ea3m; kh\u00f4ng khuy\u1ebfn ngh\u1ecb ngo\u00e0i tr\u1eddi hay n\u01a1i \u1ea9m.<\/p>\n<p>Tham kh\u1ea3o c\u01a1 t\u00ednh \u0111i\u1ec3n h\u00ecnh (theo datasheet nh\u00e0 s\u1ea3n xu\u1ea5t l\u1edbn): gi\u1edbi h\u1ea1n ch\u1ea3y Rp0.2 ~ 205 MPa cho 304\/316; ~275 MPa cho 201; \u0111\u1ed9 b\u1ec1n k\u00e9o 515\u2013620 MPa (304\/316) v\u00e0 cao h\u01a1n ch\u00fat v\u1edbi 201 do h\u00f3a b\u1ec1n ngu\u1ed9i. Th\u1ef1c t\u1ebf thi\u1ebft k\u1ebf ph\u1ee5 thu\u1ed9c ti\u1ebft di\u1ec7n, li\u00ean k\u1ebft v\u00e0 kho\u1ea3ng c\u00e1ch c\u1ed9t.<\/p>\n<h2 id=\"toc-3-toi-uu-tham-my-be-mat-kieu-dang-phu-kien\">T\u1ed1i \u01b0u th\u1ea9m m\u1ef9: b\u1ec1 m\u1eb7t, ki\u1ec3u d\u00e1ng, ph\u1ee5 ki\u1ec7n<\/h2>\n<p>&#8211; B\u1ec1 m\u1eb7t ph\u1ed5 bi\u1ebfn<br \/>\n  &#8211; Satin\/Brush 180\u2013240 grit: sang, \u00edt l\u1ed9 v\u1ebft tay, d\u1ec5 b\u1ea3o tr\u00ec \u2013 ph\u00f9 h\u1ee3p c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng.<br \/>\n  &#8211; Hairline (HL): v\u00e2n d\u00e0i \u0111\u1ed3ng \u0111\u1ec1u, hi\u1ec7n \u0111\u1ea1i cho n\u1ed9i th\u1ea5t v\u00e0 m\u1eb7t ti\u1ec1n.<br \/>\n  &#8211; G\u01b0\u01a1ng 8K: ph\u1ea3n chi\u1ebfu m\u1ea1nh, hi\u1ec7u \u1ee9ng cao c\u1ea5p nh\u01b0ng d\u1ec5 l\u1ed9 v\u1ebft x\u01b0\u1edbc\/v\u00e2n tay; c\u1ea7n v\u1ec7 sinh k\u1ef9.<br \/>\n  &#8211; Phun bi\/phun c\u00e1t: b\u1ec1 m\u1eb7t m\u1ecbn l\u00ec, \u00edt ch\u00f3i, h\u1ee3p kh\u00f4ng gian t\u1ed1i gi\u1ea3n.<br \/>\n  &#8211; PVD m\u00e0u (v\u00e0ng, \u0111en titan\u2026): n\u00ean \u00e1p tr\u00ean n\u1ec1n 304\/316; t\u0103ng th\u1ea9m m\u1ef9 v\u00e0 ch\u1ed1ng x\u01b0\u1edbc nh\u1eb9, nh\u01b0ng c\u1ea7n \u0111\u01a1n v\u1ecb uy t\u00edn \u0111\u1ec3 l\u1edbp ph\u1ee7 b\u1ec1n.<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng b\u1ed9<br \/>\n  &#8211; \u01afu ti\u00ean ph\u1ee5 ki\u1ec7n (co, ch\u1ea1c, ch\u00e2n tr\u1ee5, k\u1eb9p k\u00ednh) c\u00f9ng m\u00e1c v\u1edbi \u1ed1ng ch\u00ednh. Tr\u00e1nh 304 k\u1ebft h\u1ee3p 201 v\u00ec d\u1ec5 \u0103n m\u00f2n c\u1eb7p \u0111\u00f4i \u1edf v\u00f9ng \u1ea9m.<br \/>\n  &#8211; Bulong\/\u0111inh n\u1edf: theo ISO 3506 \u2013 A2 (\u2248304) cho n\u1ed9i \u0111\u1ecba; A4 (\u2248316) cho ven bi\u1ec3n\/ngo\u00e0i tr\u1eddi kh\u1eafc nghi\u1ec7t.<\/p>\n<h2 id=\"toc-4-toi-uu-do-ben-thiet-ke-chong-an-mon-va-ket-cau-an-\">T\u1ed1i \u01b0u \u0111\u1ed9 b\u1ec1n: thi\u1ebft k\u1ebf ch\u1ed1ng \u0103n m\u00f2n v\u00e0 k\u1ebft c\u1ea5u an to\u00e0n<\/h2>\n<p>&#8211; Thi\u1ebft k\u1ebf ch\u1ed1ng \u0103n m\u00f2n<br \/>\n  &#8211; Tr\u00e1nh k\u1ebd h\u1edf gi\u1eef \u1ea9m: b\u1ecbt k\u00edn n\u1eafp ch\u1ee5p \u0111\u1ec9nh tr\u1ee5; khoan l\u1ed7 tho\u00e1t n\u01b0\u1edbc cho \u1ed1ng \u0111\u1ee9ng b\u1ecbt \u0111\u00e1y.<br \/>\n  &#8211; C\u00e1ch ly ti\u1ebfp x\u00fac kh\u00e1c kim lo\u1ea1i: d\u00f9ng \u0111\u1ec7m nylon\/EPDM khi ti\u1ebfp x\u00fac v\u1edbi th\u00e9p carbon, nh\u00f4m ho\u1eb7c b\u00ea t\u00f4ng \u1ea9m \u0111\u1ec3 h\u1ea1n ch\u1ebf \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n  &#8211; X\u1eed l\u00fd sau h\u00e0n: m\u00e0i s\u1ea1ch x\u1ec9, t\u1ea9y g\u1ec9-pasivation (axit nitric ho\u1eb7c citric) v\u00e0 r\u1eeda n\u01b0\u1edbc s\u1ea1ch; n\u01a1i kh\u1eafc nghi\u1ec7t c\u00e2n nh\u1eafc \u0111i\u1ec7n h\u00f3a b\u00f3ng (electropolish) \u0111\u1ec3 t\u0103ng kh\u00e1ng chloride.<br \/>\n  &#8211; Tr\u00e1nh h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda ch\u1ee9a chloride\/muriatic acid; d\u00f9ng ch\u1ea5t t\u1ea9y pH trung t\u00ednh, x\u1ea3 n\u01b0\u1edbc s\u1ea1ch sau khi v\u1ec7 sinh.<br \/>\n&#8211; K\u1ebft c\u1ea5u \u2013 k\u00edch th\u01b0\u1edbc v\u00e0 t\u1ea3i tr\u1ecdng tham kh\u1ea3o<br \/>\n  &#8211; T\u1ea3i tuy\u1ebfn t\u00ednh tay v\u1ecbn th\u01b0\u1eddng d\u00f9ng: 0.75\u20131.0 kN\/m cho nh\u00e0 \u1edf; \u0111\u1ebfn 1.5\u20133.0 kN\/m cho kh\u00f4ng gian c\u00f4ng c\u1ed9ng\/\u0111\u00f4ng ng\u01b0\u1eddi (tham kh\u1ea3o th\u00f4ng l\u1ec7 qu\u1ed1c t\u1ebf, ki\u1ec3m ch\u1ee9ng v\u1edbi quy chu\u1ea9n \u0111\u1ecba ph\u01b0\u01a1ng tr\u01b0\u1edbc thi c\u00f4ng).<br \/>\n  &#8211; Kho\u1ea3ng c\u00e1ch c\u1ed9t: 0.9\u20131.2 m t\u00f9y ti\u1ebft di\u1ec7n v\u00e0 t\u1ea3i.<br \/>\n  &#8211; K\u00edch th\u01b0\u1edbc \u1ed1ng tham kh\u1ea3o:<br \/>\n    &#8211; Tay v\u1ecbn tr\u00f2n: \u00d838.1\u201350.8 mm; d\u00e0y 1.2\u20131.5 mm (sinh ho\u1ea1t); 1.5\u20132.0 mm (c\u00f4ng c\u1ed9ng).<br \/>\n    &#8211; Tr\u1ee5 \u0111\u1ee9ng: \u00d838.1\u00d71.5 mm \u0111\u1ebfn \u00d850.8\u00d72.0 mm; \u0111\u1ebf ch\u00e2n t\u1ea5m 6\u201310 mm (304\/316).<br \/>\n  &#8211; Li\u00ean k\u1ebft n\u1ec1n: n\u1edf h\u00f3a ch\u1ea5t ho\u1eb7c c\u01a1 kh\u00ed M10\u2013M12, th\u00e9p kh\u00f4ng g\u1ec9 A2\/A4; ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 n\u1ec1n b\u00ea t\u00f4ng\/\u0111\u00e1.<br \/>\n  &#8211; K\u00ednh (n\u1ebfu c\u00f3): k\u1eb9p k\u00ednh inox \u0111\u1ed3ng m\u00e1c; \u0111\u1ed9 d\u00e0y k\u00ednh t\u00f4i\/laminate theo t\u1ea3i v\u00e0 ti\u00eau chu\u1ea9n an to\u00e0n k\u00ednh.<\/p>\n<p>Lu\u00f4n \u0111\u1ed1i chi\u1ebfu quy chu\u1ea9n, ti\u00eau chu\u1ea9n k\u1ebft c\u1ea5u \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 thu\u00ea k\u1ef9 s\u01b0 k\u1ebft c\u1ea5u khi lan can ch\u1ecbu t\u1ea3i c\u00f4ng c\u1ed9ng.<\/p>\n<h2 id=\"toc-5-can-doi-ngan-sach-chi-phi-ban-dau-vs-chi-phi-vong-\">C\u00e2n \u0111\u1ed1i ng\u00e2n s\u00e1ch: chi ph\u00ed ban \u0111\u1ea7u vs chi ph\u00ed v\u00f2ng \u0111\u1eddi<\/h2>\n<p>&#8211; T\u1ef7 l\u1ec7 chi ph\u00ed v\u1eadt li\u1ec7u (tham kh\u1ea3o th\u1ecb tr\u01b0\u1eddng): 201 r\u1ebb h\u01a1n 304 kho\u1ea3ng 20\u201340%; 316 \u0111\u1eaft h\u01a1n 304 kho\u1ea3ng 30\u201360%. B\u1ec1 m\u1eb7t g\u01b0\u01a1ng\/HL c\u1ed9ng th\u00eam 5\u201320%; electropolish\/PVD c\u1ed9ng 15\u201330%.<br \/>\n&#8211; B\u00e0i to\u00e1n TCO (Total Cost of Ownership)<br \/>\n  &#8211; N\u1ed9i th\u1ea5t kh\u00f4: 201 c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m 10\u201320% chi ph\u00ed ban \u0111\u1ea7u; TCO ngang 304 n\u1ebfu b\u1ea3o tr\u00ec t\u1ed1t.<br \/>\n  &#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb: 304 th\u01b0\u1eddng c\u00f3 TCO th\u1ea5p h\u01a1n 201 v\u00ec gi\u1ea3m r\u1ee7i ro \u1ed1 v\u00e0ng\/r\u1ec9 c\u1ee5c b\u1ed9 v\u00e0 chi ph\u00ed b\u1ea3o h\u00e0nh\/thay th\u1ebf.<br \/>\n  &#8211; Ven bi\u1ec3n\/h\u1ed3 b\u01a1i: 316\/316L c\u00f3 chi ph\u00ed \u0111\u1ea7u t\u01b0 cao h\u01a1n nh\u01b0ng th\u01b0\u1eddng r\u1ebb h\u01a1n 201\/304 t\u00ednh tr\u00ean 5\u201310 n\u0103m do tr\u00e1nh pitting, gi\u1ea3m b\u1ea3o tr\u00ec n\u1eb7ng.<br \/>\n&#8211; V\u00ed d\u1ee5 nhanh (20 m lan can ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb):<br \/>\n  &#8211; 201 ti\u1ebft ki\u1ec7m ban \u0111\u1ea7u ~15\u201325%, nh\u01b0ng n\u1ebfu 2\u20133 n\u0103m ph\u1ea3i \u0111\u00e1nh b\u00f3ng\/ thay \u0111o\u1ea1n r\u1ed7 g\u1ec9, t\u1ed5ng chi 5 n\u0103m c\u00f3 th\u1ec3 v\u01b0\u1ee3t 304 th\u00eam 10\u201330%.<br \/>\n  &#8211; 316 ch\u1ec9 c\u1ea7n khi g\u1ea7n bi\u1ec3n\/h\u1ed3 b\u01a1i; n\u1ebfu d\u00f9ng trong \u0111\u00f4 th\u1ecb n\u1ed9i \u0111\u1ecba, chi ph\u00ed th\u1eeba so v\u1edbi l\u1ee3i \u00edch.<\/p>\n<h2 id=\"toc-6-quy-trinh-thi-cong-chuan-de-lan-can-ben-dep\">Quy tr\u00ecnh thi c\u00f4ng chu\u1ea9n \u0111\u1ec3 lan can b\u1ec1n \u0111\u1eb9p<\/h2>\n<p>&#8211; V\u1eadt t\u01b0 v\u00e0o c\u00f4ng tr\u01b0\u1eddng: ki\u1ec3m tra m\u00e1c, b\u1ec1 m\u1eb7t, \u0111\u1ed9 d\u00e0y; gi\u1ea5y MTC; th\u1eed nam ch\u00e2m ch\u1ec9 \u0111\u1ec3 s\u00e0ng l\u1ecdc s\u01a1 b\u1ed9, kh\u00f4ng thay cho ki\u1ec3m \u0111\u1ecbnh.<br \/>\n&#8211; C\u1eaft \u2013 l\u1eafp \u2013 h\u00e0n:<br \/>\n  &#8211; D\u00f9ng l\u01b0\u1ee1i\/c\u1ecd ri\u00eang cho inox, tr\u00e1nh nhi\u1ec5m s\u1eaft t\u1eeb th\u00e9p carbon.<br \/>\n  &#8211; H\u00e0n TIG v\u1edbi d\u00e2y ER308L (cho 304) ho\u1eb7c ER316L (cho 316); ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ea7u v\u00e0o \u0111\u1ec3 h\u1ea1n ch\u1ebf bi\u1ebfn m\u00e0u v\u00e0 cong v\u00eanh.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t:<br \/>\n  &#8211; M\u00e0i tinh theo c\u00f9ng c\u1ea5p nh\u00e1m to\u00e0n h\u1ec7; t\u1ea9y g\u1ec9 v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a; r\u1eeda s\u1ea1ch, s\u1ea5y kh\u00f4.<br \/>\n&#8211; L\u1eafp \u0111\u1eb7t:<br \/>\n  &#8211; C\u0103n ch\u1ec9nh th\u1eb3ng \u0111\u1ee9ng, ki\u1ec3m tra t\u1ea3i th\u1eed theo y\u00eau c\u1ea7u; b\u01a1m keo b\u1ecbt ch\u1ed1ng th\u1ea5m quanh ch\u00e2n tr\u1ee5; b\u1ed1 tr\u00ed tho\u00e1t n\u01b0\u1edbc.<br \/>\n&#8211; B\u00e0n giao \u2013 b\u1ea3o tr\u00ec:<br \/>\n  &#8211; H\u01b0\u1edbng d\u1eabn v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 1\u20133 th\u00e1ng\/l\u1ea7n ngo\u00e0i tr\u1eddi; t\u0103ng t\u1ea7n su\u1ea5t \u1edf ven bi\u1ec3n\/\u00f4 nhi\u1ec5m cao.<\/p>\n<h2 id=\"toc-7-nhung-loi-thuong-gap-va-cach-tranh\">Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/h2>\n<p>&#8211; D\u00f9ng 201 ngo\u00e0i tr\u1eddi r\u1ed3i ph\u1ee7 PVD \u0111\u1ec3 \u201cc\u1ee9u\u201d ch\u1ed1ng g\u1ec9: l\u1edbp ph\u1ee7 s\u1ee9t m\u1ebb s\u1ebd \u0111\u1ec3 l\u1ed9 n\u1ec1n 201, \u0103n m\u00f2n x\u1ea3y ra c\u1ee5c b\u1ed9. H\u00e3y d\u00f9ng n\u1ec1n 304\/316 cho PVD.<br \/>\n&#8211; Pha tr\u1ed9n inox v\u1edbi bulong th\u00e9p th\u01b0\u1eddng: g\u00e2y g\u1ec9 loang. D\u00f9ng A2\/A4 \u0111\u1ed3ng b\u1ed9.<br \/>\n&#8211; B\u1ecf qua x\u1eed l\u00fd sau h\u00e0n: v\u00f9ng m\u1ed1i h\u00e0n d\u1ec5 \u1ed1 v\u00e0ng, pitting. Lu\u00f4n t\u1ea9y g\u1ec9\/th\u1ee5 \u0111\u1ed9ng h\u00f3a.<br \/>\n&#8211; K\u1ebft c\u1ea5u gi\u1eef n\u01b0\u1edbc: kh\u00f4ng tho\u00e1t n\u01b0\u1edbc ch\u00e2n tr\u1ee5, khe k\u1eb9p k\u00ednh t\u00edch t\u1ee5 mu\u1ed1i \u2013 t\u1ea1o \u0111i\u1ec3m \u0103n m\u00f2n. Thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc, th\u00f4ng gi\u00f3.<br \/>\n&#8211; D\u00f9ng h\u00f3a ch\u1ea5t t\u1ea9y ch\u1ee9a chlorine\/muriatic: t\u0103ng t\u1ed1c \u0103n m\u00f2n. Ch\u1ec9 d\u00f9ng ch\u1ea5t t\u1ea9y pH trung t\u00ednh v\u00e0 r\u1eeda l\u1ea1i n\u01b0\u1edbc s\u1ea1ch.<\/p>\n<h2 id=\"toc-8-bang-chon-nhanh-theo-kich-ban-thuc-te\">B\u1ea3ng ch\u1ecdn nhanh theo k\u1ecbch b\u1ea3n th\u1ef1c t\u1ebf<\/h2>\n<p>&#8211; C\u1ea7u thang trong nh\u00e0, kh\u00f4 r\u00e1o (H\u00e0 N\u1ed9i): 304 satin 240\u2013320 grit; \u1ed1ng tay v\u1ecbn \u00d838.1\u00d71.2; tr\u1ee5 \u00d838.1\u00d71.5. Ng\u00e2n s\u00e1ch th\u1ea5p c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc 201 nh\u01b0ng c\u1ea7n v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; Ban c\u00f4ng\/lan can ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb: 304\/304L hairline; tr\u1ee5 \u00d850.8\u00d71.5\u20132.0; \u0111\u1ebf 8\u201310 mm; bulong A2.<br \/>\n&#8211; Khu ven bi\u1ec3n\/h\u1ed3 b\u01a1i\/spa: 316L, ho\u00e0n thi\u1ec7n electropolish ho\u1eb7c satin m\u1ecbn; bulong A4; t\u0103ng chu k\u1ef3 v\u1ec7 sinh (h\u00e0ng tu\u1ea7n x\u1ea3 n\u01b0\u1edbc ng\u1ecdt).<br \/>\n&#8211; B\u1ec7nh vi\u1ec7n\/tr\u01b0\u1eddng h\u1ecdc\/khu th\u01b0\u01a1ng m\u1ea1i: 304 satin 240 grit ch\u1ed1ng b\u00e1m v\u1ebft tay; thi\u1ebft k\u1ebf bo tr\u00f2n an to\u00e0n; ki\u1ec3m tra t\u1ea3i theo ti\u00eau chu\u1ea9n c\u00f4ng c\u1ed9ng.<br \/>\n&#8211; Khu c\u00f4ng nghi\u1ec7p c\u00f3 chloride nh\u1eb9: 316L; h\u1ea1n ch\u1ebf k\u1ebd h\u1edf; v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean.<\/p>\n<h2 id=\"toc-9-nguon-tham-khao-chinh\">Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/h2>\n<p>&#8211; Nickel Institute \u2013 Guidelines for selection and use of stainless steels; Preventing coastal staining; PREN concept: https:\/\/www.nickelinstitute.org<br \/>\n&#8211; ASTM International \u2013 A554 (\u1ed1ng c\u01a1 kh\u00ed), A240 (t\u1ea5m), A276 (thanh), A312 (\u1ed1ng): https:\/\/www.astm.org<br \/>\n&#8211; Outokumpu\/ASSDA datasheets \u2013 t\u00ednh ch\u1ea5t 304\/316\/201, \u0103n m\u00f2n chloride v\u00e0 khuy\u1ebfn ngh\u1ecb ho\u00e0n thi\u1ec7n: https:\/\/www.outokumpu.com; Australian Stainless Steel Development Association: https:\/\/www.assda.asn.au<br \/>\n&#8211; ISO 3506 \u2013 Ph\u00e2n h\u1ea1ng bulong inox A2\/A4.<\/p>\n<h2 id=\"toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; Ch\u1ecdn \u0111\u00fang m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng l\u00e0 quy\u1ebft \u0111\u1ecbnh s\u1ed1 1: 304 cho \u0111a s\u1ed1 c\u00f4ng tr\u00ecnh \u0111\u00f4 th\u1ecb n\u1ed9i \u0111\u1ecba; 316\/316L cho ven bi\u1ec3n\/h\u1ed3 b\u01a1i\/c\u00f4ng nghi\u1ec7p chloride; 201\/430 ch\u1ec9 n\u00ean d\u00f9ng n\u1ed9i th\u1ea5t kh\u00f4 v\u00e0 c\u00e2n nh\u1eafc k\u1ef9 v\u00f2ng \u0111\u1eddi.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, x\u1eed l\u00fd sau h\u00e0n v\u00e0 chi ti\u1ebft ch\u1ed1ng \u1ee9 n\u01b0\u1edbc quy\u1ebft \u0111\u1ecbnh 70% \u201c\u0111\u1ed9 b\u1ec1n th\u1ea9m m\u1ef9\u201d.<br \/>\n&#8211; T\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi: \u0111\u1eebng ch\u1ec9 nh\u00ecn gi\u00e1 v\u1eadt li\u1ec7u; 304\/316 th\u01b0\u1eddng r\u1ebb h\u01a1n 201 n\u1ebfu t\u00ednh c\u1ea3 b\u1ea3o tr\u00ec v\u00e0 thay th\u1ebf trong 5\u201310 n\u0103m.<br \/>\nC\u1ea7n b\u00e1o gi\u00e1 v\u00e0 t\u01b0 v\u1ea5n chi ti\u1ebft theo b\u1ea3n v\u1ebd, m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u1ebfn \u0111\u1ed9? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u2013 Hotline: 0343.417.281 \u2013 Email: inoxcongnghiep.cuongthinh@gmail.com \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u v\u00e0 gi\u00e1 t\u1ed1t nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn inox l\u00e0m lan can theo m\u00f4i tr\u01b0\u1eddng, th\u1ea9m m\u1ef9 v\u00e0 ng\u00e2n s\u00e1ch: so s\u00e1nh 201\/304\/316, \u0111\u1ed9 d\u00e0y, b\u1ec1 m\u1eb7t, thi c\u00f4ng, chi ph\u00ed v\u00f2ng \u0111\u1eddi cho c\u00f4ng tr\u00ecnh b\u1ec1n \u0111\u1eb9p, an to\u00e0n.<\/p>\n","protected":false},"author":7,"featured_media":1004,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2052","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\/2052","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=2052"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2052\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1004"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}