{"id":2130,"date":"2026-06-12T00:33:12","date_gmt":"2026-06-11T17:33:12","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/huong-dan-chon-phu-kien-inox-304-phong-tam-chong-gi-set-am-uot\/"},"modified":"2026-06-12T00:33:12","modified_gmt":"2026-06-11T17:33:12","slug":"huong-dan-chon-phu-kien-inox-304-phong-tam-chong-gi-set-am-uot","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/huong-dan-chon-phu-kien-inox-304-phong-tam-chong-gi-set-am-uot\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ch\u1ecdn ph\u1ee5 ki\u1ec7n Inox 304 ph\u00f2ng t\u1eafm ch\u1ed1ng g\u1ec9 s\u00e9t \u1ea9m \u01b0\u1edbt"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-vi-sao-chon-inox-304-cho-phong-tam-khi-nao-can-316\">V\u00ec sao ch\u1ecdn Inox 304 cho ph\u00f2ng t\u1eafm? Khi n\u00e0o c\u1ea7n 316?<\/a><\/li>\n<li><a href=\"#toc-1-tieu-chi-ky-thuat-khi-chon-phu-kien-inox-304-cho-p\">Ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt khi ch\u1ecdn ph\u1ee5 ki\u1ec7n Inox 304 cho ph\u00f2ng t\u1eafm<\/a><\/li>\n<li><a href=\"#toc-2-quy-trinh-lap-dat-va-bao-tri-toi-uu-de-khong-gi-be\">Quy tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec t\u1ed1i \u01b0u \u0111\u1ec3 \u201ckh\u00f4ng g\u1ec9 b\u1ec1n l\u00e2u\u201d<\/a><\/li>\n<li><a href=\"#toc-3-so-sanh-nhanh-201-304-316-cho-phong-tam\">So s\u00e1nh nhanh 201 \u2013 304 \u2013 316 cho ph\u00f2ng t\u1eafm<\/a><\/li>\n<li><a href=\"#toc-4-checklist-thong-so-ky-thuat-khi-dat-mua\">Checklist th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt khi \u0111\u1eb7t mua<\/a><\/li>\n<li><a href=\"#toc-5-tinh-huong-thuc-te-va-goi-y-cau-hinh-phu-kien\">T\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf v\u00e0 g\u1ee3i \u00fd c\u1ea5u h\u00ecnh ph\u1ee5 ki\u1ec7n<\/a><\/li>\n<li><a href=\"#toc-6-chi-phi-loi-ich-vi-sao-dung-mac-dung-hoan-thien-re\">Chi ph\u00ed \u2013 l\u1ee3i \u00edch: v\u00ec sao \u201c\u0111\u00fang m\u00e1c, \u0111\u00fang ho\u00e0n thi\u1ec7n\u201d r\u1ebb h\u01a1n v\u1ec1 l\u00e2u d\u00e0i<\/a><\/li>\n<li><a href=\"#toc-7-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ph\u1ee5 ki\u1ec7n Inox 304 cho ph\u00f2ng t\u1eafm l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i s\u1ea3n ph\u1ea9m n\u00e0o \u201cghi 304\u201d c\u0169ng \u0111\u1ea1t chu\u1ea9n. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p b\u1ed9 ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt, c\u00e1ch ki\u1ec3m ch\u1ee9ng v\u1eadt li\u1ec7u, y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t \u2013 h\u00e0n \u2013 \u1ed1c v\u00edt, c\u00f9ng h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ec3 ph\u1ee5 ki\u1ec7n th\u1ef1c s\u1ef1 ch\u1ed1ng g\u1ec9 s\u00e9t l\u00e2u d\u00e0i. Ch\u1ee7 \u0111\u1ec1 n\u00e0y l\u00e0 m\u1ed9t m\u1ea3nh gh\u00e9p thi\u1ebft y\u1ebfu trong \u201cTh\u1ebf gi\u1edbi Ph\u1ee5 ki\u1ec7n Inox\u201d cho x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t, \u0111\u1eb7c bi\u1ec7t \u1edf c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng, kh\u00e1ch s\u1ea1n, b\u1ec7nh vi\u1ec7n.<\/p>\n<h2 id=\"toc-0-vi-sao-chon-inox-304-cho-phong-tam-khi-nao-can-316\">V\u00ec sao ch\u1ecdn Inox 304 cho ph\u00f2ng t\u1eafm? Khi n\u00e0o c\u1ea7n 316?<\/h2>\n<p>&#8211; Th\u00e0nh ph\u1ea7n v\u00e0 c\u01a1 ch\u1ebf ch\u1ed1ng \u0103n m\u00f2n:<br \/>\n  &#8211; AISI 304 (theo ASTM A240\/A276) ch\u1ee9a kho\u1ea3ng 18\u201320% Cr v\u00e0 8\u201310.5% Ni, t\u1ea1o m\u00e0ng th\u1ee5 \u0111\u1ed9ng Cr2O3 t\u1ef1 ph\u1ee5c h\u1ed3i, ch\u1ed1ng g\u1ec9 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m v\u00e0 kh\u00ed quy\u1ec3n \u0111\u00f4 th\u1ecb.<br \/>\n  &#8211; 304L (h\u00e0m l\u01b0\u1ee3ng C th\u1ea5p \u22640.03%) gi\u1ea3m nguy c\u01a1 nh\u1ea1y b\u1ec1n h\u1ea1t (sensitization) sau h\u00e0n, ph\u00f9 h\u1ee3p v\u1edbi ph\u1ee5 ki\u1ec7n c\u00f3 m\u1ed1i h\u00e0n.<br \/>\n&#8211; H\u1ea1n ch\u1ebf v\u1edbi ion chloride:<br \/>\n  &#8211; Clo trong n\u01b0\u1edbc, m\u1ed3 h\u00f4i, ch\u1ea5t t\u1ea9y r\u1eeda v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u01a1i mu\u1ed1i bi\u1ec3n c\u00f3 th\u1ec3 g\u00e2y \u201ctea staining\u201d ho\u1eb7c r\u1ed7 (pitting) cho 304.<br \/>\n  &#8211; So s\u00e1nh nhanh (PREN \u2013 ch\u1ec9 s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ch\u1ed1ng r\u1ed7: PREN \u2248 %Cr + 3.3\u00d7%Mo + 16\u00d7%N):<br \/>\n    &#8211; 201: ~15 (kh\u00e1ng r\u1ed7 k\u00e9m trong m\u00f4i tr\u01b0\u1eddng c\u00f3 chloride).<br \/>\n    &#8211; 304\/304L: ~18\u201319 (\u0111\u1ee7 cho \u0111a s\u1ed1 ph\u00f2ng t\u1eafm n\u1ed9i \u0111\u00f4).<br \/>\n    &#8211; 316\/316L: ~23\u201324 (t\u1ed1t h\u01a1n r\u00f5 r\u1ec7t nh\u1edd Mo; n\u00ean d\u00f9ng g\u1ea7n bi\u1ec3n, h\u1ed3 b\u01a1i, spa).<br \/>\nK\u1ebft lu\u1eadn nhanh: 304\/304L \u0111\u1ee7 cho ph\u00f2ng t\u1eafm ti\u00eau chu\u1ea9n trong nh\u00e0. Chuy\u1ec3n sang 316\/316L n\u1ebfu c\u00f4ng tr\u00ecnh g\u1ea7n bi\u1ec3n, b\u1ec3 b\u01a1i n\u01b0\u1edbc m\u1eb7n, d\u00f9ng ch\u1ea5t t\u1ea9y ch\u1ee9a chloride th\u01b0\u1eddng xuy\u00ean ho\u1eb7c y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 cao h\u1ea1ng sang.<\/p>\n<h2 id=\"toc-1-tieu-chi-ky-thuat-khi-chon-phu-kien-inox-304-cho-p\">Ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt khi ch\u1ecdn ph\u1ee5 ki\u1ec7n Inox 304 cho ph\u00f2ng t\u1eafm<\/h2>\n<h3>1) X\u00e1c th\u1ef1c \u0111\u00fang m\u00e1c th\u00e9p<\/h3>\n<p>&#8211; T\u00e0i li\u1ec7u v\u00e0 d\u1ea5u nh\u1eadn di\u1ec7n:<br \/>\n  &#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u (MTC\/COC) n\u00eau r\u00f5 ASTM A240 (t\u1ea5m), A276 (thanh), A554 (\u1ed1ng trang tr\u00ed) v\u1edbi m\u00e1c 304\/304L.<br \/>\n  &#8211; Ki\u1ec3m tra d\u1eadp\/kh\u1eafc m\u00e1c tr\u00ean chi ti\u1ebft (n\u1ebfu c\u00f3) ho\u1eb7c tr\u00ean l\u00f4 v\u1eadt li\u1ec7u \u0111\u1ea7u v\u00e0o.<br \/>\n&#8211; Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra t\u1ea1i ch\u1ed7:<br \/>\n  &#8211; M\u00e1y XRF c\u1ea7m tay: cho k\u1ebft qu\u1ea3 th\u00e0nh ph\u1ea7n Cr-Ni kh\u00e1ch quan, l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng khi nghi\u1ec7m thu.<br \/>\n  &#8211; Th\u1eed nam ch\u00e2m: 304 c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb sau gia c\u00f4ng ngu\u1ed9i, n\u00ean ph\u00e9p th\u1eed n\u00e0y kh\u00f4ng \u0111\u1ee7 k\u1ebft lu\u1eadn (tr\u00e1nh d\u00f9ng l\u00e0m ti\u00eau ch\u00ed duy nh\u1ea5t).<br \/>\n  &#8211; Thu\u1ed1c th\u1eed \u0111i\u1ec3m (spot test) v\u00e0 dung d\u1ecbch \u0111\u1ed3ng sunfat c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3, nh\u01b0ng c\u1ea7n k\u1ef9 thu\u1eadt vi\u00ean hi\u1ec3u h\u1ea1n ch\u1ebf \u0111\u1ec3 tr\u00e1nh sai s\u1ed1.<br \/>\n&#8211; D\u1ea5u hi\u1ec7u r\u1ee7i ro:<br \/>\n  &#8211; Gi\u00e1 qu\u00e1 th\u1ea5p so v\u1edbi m\u1eb7t b\u1eb1ng, thi\u1ebfu ch\u1ee9ng ch\u1ec9, b\u1ec1 m\u1eb7t loang \u1ed1 m\u1edbi toanh, m\u1ed1i h\u00e0n x\u00e1m \u0111en ch\u01b0a x\u1eed l\u00fd \u2014 d\u1ec5 l\u00e0 201\/430 gi\u1ea3 304.<\/p>\n<h3>2) B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9<\/h3>\n<p>&#8211; Khuy\u1ebfn ngh\u1ecb:<br \/>\n  &#8211; \u0110\u1ed9 nh\u1eb5n cao (Ra th\u1ea5p) gi\u1ea3m b\u00e1m b\u1ee5i mu\u1ed1i v\u00e0 c\u1eb7n x\u00e0 ph\u00f2ng. \u01afu ti\u00ean:<br \/>\n    &#8211; BA\/No.8 (g\u01b0\u01a1ng) ho\u1eb7c No.4 hairline m\u1ecbn \u0111\u00e3 th\u1ee5 \u0111\u1ed9ng h\u00f3a; t\u1ed1t nh\u1ea5t l\u00e0 \u0111i\u1ec7n \u0111\u00e1nh b\u00f3ng (electropolish) cho ph\u1ee5 ki\u1ec7n \u01b0\u1edbt th\u01b0\u1eddng xuy\u00ean nh\u01b0 k\u1ec7, l\u01b0\u1edbi tho\u00e1t s\u00e0n.<br \/>\n  &#8211; Tr\u00e1nh x\u01b0\u1edbc th\u00f4, khe k\u1ebd s\u1eafc, g\u00f3c nh\u1ecdn v\u00ec gi\u1eef \u1ea9m v\u00e0 chloride.<br \/>\n&#8211; Ph\u1ee7 PVD (m\u00e0u v\u00e0ng, \u0111en, x\u00e1m\u2026):<br \/>\n  &#8211; PVD t\u0103ng ch\u1ed1ng tr\u1ea7y v\u00e0 c\u1ea3i thi\u1ec7n kh\u00e1ng \u0103n m\u00f2n b\u1ec1 m\u1eb7t, nh\u01b0ng n\u1ec1n 304\/316 v\u1eabn quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd. Ch\u1ecdn PVD t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn, \u0111\u1ed9 d\u00e0y v\u00e0 quy tr\u00ecnh chu\u1ea9n.<\/p>\n<h3>3) \u0110\u1ed9 d\u00e0y, k\u1ebft c\u1ea5u v\u00e0 t\u1ea3i tr\u1ecdng<\/h3>\n<p>&#8211; Thanh treo kh\u0103n: \u1ed1ng 304 d\u00e0y 0.8\u20131.0 mm; gi\u00e1 treo nhi\u1ec1u t\u1ea7ng n\u00ean \u22651.0 mm.<br \/>\n&#8211; Tay v\u1ecbn\/gh\u1ebf g\u1eadp an to\u00e0n: \u1ed1ng \u00d832\u201338 mm, d\u00e0y 1.2\u20131.5 mm; b\u1ea3n m\u00e3 \u22653.0 mm, v\u00edt n\u1edf Inox \u0111\u1ed3ng c\u1ea5p. Ki\u1ec3m tra t\u1ea3i th\u1eed t\u1ed1i thi\u1ec3u 150 kg \u0111\u1ed1i v\u1edbi tay v\u1ecbn.<br \/>\n&#8211; K\u1ec7 g\u00f3c\/k\u1ec7 th\u1eb3ng: m\u1eb7t \u0111\u1ee1 \u22651.0 mm, gi\u1eb1ng g\u00f3c c\u1ee9ng v\u1eefng; c\u00f3 l\u1ed7 tho\u00e1t n\u01b0\u1edbc h\u1ea1n ch\u1ebf \u0111\u1ecdng \u1ea9m.<br \/>\n&#8211; Ph\u1ec5u\/l\u01b0\u1edbi tho\u00e1t s\u00e0n: t\u1ea5m 1.2\u20131.5 mm; n\u1eafp l\u1ecdc d\u1ec5 th\u00e1o v\u1ec7 sinh.<br \/>\n&#8211; B\u1ea3n l\u1ec1, m\u00f3c \u00e1o, ph\u1ee5 ki\u1ec7n nh\u1ecf: ph\u00f4i d\u00e0y, gia c\u00f4ng d\u1eadp \u2013 CNC g\u1ecdn, kh\u00f4ng ba via.<\/p>\n<h3>4) M\u1ed1i h\u00e0n v\u00e0 x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng (passivation)<\/h3>\n<p>&#8211; Quy tr\u00ecnh h\u00e0n: TIG\/MIG v\u1edbi v\u1eadt li\u1ec7u h\u00e0n 308L cho 304; ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ea7u v\u00e0o \u0111\u1ec3 h\u1ea1n ch\u1ebf bi\u1ebfn m\u00e0u.<br \/>\n&#8211; Sau h\u00e0n: t\u1ea9y g\u1ec9 \u2013 t\u1ea9y m\u00e0u b\u1eb1ng gel\/paste chuy\u00ean d\u1ee5ng, sau \u0111\u00f3 th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1eb1ng nitric\/citric \u0111\u1ec3 kh\u00f4i ph\u1ee5c m\u00e0ng Cr2O3. B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng c\u00f2n v\u00f9ng v\u00e0ng\/xanh-t\u00edm.<br \/>\n&#8211; Thi\u1ebft k\u1ebf ch\u1ed1ng k\u1ebd h\u1edf (crevice): b\u1ecbt k\u00edn \u0111\u1ea7u \u1ed1ng, \u01b0u ti\u00ean m\u1ed1i gh\u00e9p k\u00edn ho\u1eb7c h\u1edf tho\u00e1ng d\u1ec5 kh\u00f4; tr\u00e1nh b\u00edt h\u01a1i n\u01b0\u1edbc trong \u1ed1ng.<\/p>\n<h3>5) \u1ed0c v\u00edt, ph\u1ee5 ki\u1ec7n l\u1eafp \u0111\u1eb7t v\u00e0 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/h3>\n<p>&#8211; D\u00f9ng bu l\u00f4ng\/\u1ed1c v\u00edt\/\u0111inh n\u1edf Inox ti\u00eau chu\u1ea9n ISO 3506:<br \/>\n  &#8211; A2-70 (304) cho n\u1ed9i th\u1ea5t th\u00f4ng th\u01b0\u1eddng; A4-70 (316) cho b\u1edd bi\u1ec3n\/h\u1ed3 b\u01a1i.<br \/>\n&#8211; Tr\u00e1nh d\u00f9ng v\u00edt th\u00e9p cacbon m\u1ea1 k\u1ebdm tr\u1ef1c ti\u1ebfp v\u1edbi 304 (nguy c\u01a1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a v\u00e0 \u201cl\u1ee5a g\u1ec9\u201d lan b\u1ec1 m\u1eb7t).<br \/>\n&#8211; D\u00f9ng gio\u0103ng\/\u0111\u1ec7m nylon ho\u1eb7c silicone trung t\u00ednh \u0111\u1ec3 c\u00e1ch \u0111i\u1ec7n gi\u1eefa Inox v\u00e0 kim lo\u1ea1i d\u1ecb lo\u1ea1i, nh\u1ea5t l\u00e0 t\u1ea1i khu v\u1ef1c \u1ea9m \u01b0\u1edbt.<br \/>\n&#8211; Khoan \u2013 b\u1eaft n\u1edf v\u00e0o t\u01b0\u1eddng: ch\u1ecdn n\u1edf h\u00f3a ch\u1ea5t ho\u1eb7c n\u1edf Inox \u0111\u00fang t\u1ea3i; tr\u00e1m k\u00edn m\u00e9p l\u1ed7 khoan b\u1eb1ng keo silicone trung t\u00ednh \u0111\u1ec3 ng\u0103n th\u1ea5m n\u01b0\u1edbc.<\/p>\n<h3>6) H\u00f3a ch\u1ea5t v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng<\/h3>\n<p>&#8211; Tr\u00e1nh ho\u1eb7c h\u1ea1n ch\u1ebf: thu\u1ed1c t\u1ea9y ch\u1ee9a chloride (NaClO), HCl\/\u201cn\u01b0\u1edbc t\u1ea9y xi m\u0103ng\u201d, mu\u1ed1i t\u1ea9y v\u1ebft \u1ed1; n\u1ebfu l\u1ee1 d\u00f9ng ph\u1ea3i r\u1eeda th\u1eadt k\u1ef9 v\u00e0 lau kh\u00f4 ngay.<br \/>\n&#8211; \u01afu ti\u00ean ch\u1ea5t t\u1ea9y pH trung t\u00ednh cho Inox; lu\u00f4n x\u1ea3 n\u01b0\u1edbc s\u1ea1ch v\u00e0 lau kh\u00f4 sau v\u1ec7 sinh.<br \/>\n&#8211; N\u1ebfu c\u00f4ng tr\u00ecnh g\u1ea7n bi\u1ec3n (\u22645 km), h\u00e0nh lang m\u1edf, resort bi\u1ec3n: c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p to\u00e0n b\u1ed9 ph\u1ee5 ki\u1ec7n v\u00e0 \u1ed1c v\u00edt l\u00ean 316\/316L.<\/p>\n<h2 id=\"toc-2-quy-trinh-lap-dat-va-bao-tri-toi-uu-de-khong-gi-be\">Quy tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec t\u1ed1i \u01b0u \u0111\u1ec3 \u201ckh\u00f4ng g\u1ec9 b\u1ec1n l\u00e2u\u201d<\/h2>\n<h3>Tr\u01b0\u1edbc v\u00e0 trong l\u1eafp \u0111\u1eb7t<\/h3>\n<p>&#8211; D\u00f9ng d\u1ee5ng c\u1ee5 chuy\u00ean cho Inox, kh\u00f4ng d\u00f9ng ch\u1ed5i s\u1eaft\/\u0111\u00e1 m\u00e0i t\u1eebng m\u00e0i th\u00e9p \u0111en (tr\u00e1nh nhi\u1ec5m b\u1ea9n s\u1eaft t\u1ef1 do).<br \/>\n&#8211; B\u1ea3o qu\u1ea3n s\u1ea3n ph\u1ea9m trong bao b\u1ecdc, tr\u00e1nh b\u1ee5i xi m\u0103ng, n\u01b0\u1edbc v\u00f4i. Th\u00e1o m\u00e0ng b\u1ea3o v\u1ec7 ngay tr\u01b0\u1edbc khi b\u00e0n giao.<br \/>\n&#8211; Sau l\u1eafp \u0111\u1eb7t: r\u1eeda n\u01b0\u1edbc s\u1ea1ch, t\u1ea9y s\u1ea1ch v\u1ebft tay\/d\u1ea5u v\u1eefa, lau kh\u00f4; n\u1ebfu c\u00f3 h\u00e0n\/ch\u1ec9nh s\u1eeda t\u1ea1i ch\u1ed7, ti\u1ebfn h\u00e0nh t\u1ea9y \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a l\u1ea1i.<\/p>\n<h3>K\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3<\/h3>\n<p>&#8211; H\u00e0ng tu\u1ea7n: lau b\u1eb1ng kh\u0103n m\u1ec1m v\u1edbi dung d\u1ecbch trung t\u00ednh; r\u1eeda l\u1ea1i v\u00e0 lau kh\u00f4.<br \/>\n&#8211; H\u00e0ng th\u00e1ng: ki\u1ec3m tra m\u1ed1i gh\u00e9p, si\u1ebft l\u1ea1i \u1ed1c; v\u1ec7 sinh c\u1eb7n v\u00f4i b\u1eb1ng dung d\u1ecbch nh\u1eb9 (acid citric lo\u00e3ng), tr\u00e1ng s\u1ea1ch v\u00e0 lau kh\u00f4.<br \/>\n&#8211; X\u1eed l\u00fd \u201ctea staining\u201d nh\u1eb9: d\u00f9ng kem\/gel l\u00e0m s\u1ea1ch Inox chuy\u00ean d\u1ee5ng (n\u1ec1n citric), ch\u00e0 b\u1eb1ng mi\u1ebfng m\u00fat kh\u00f4ng m\u00e0i m\u00f2n theo th\u1edb; r\u1eeda \u2013 lau kh\u00f4; c\u00f3 th\u1ec3 th\u1ee5 \u0111\u1ed9ng h\u00f3a l\u1ea1i \u0111\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian s\u1ea1ch b\u00f3ng.<br \/>\n&#8211; Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng: b\u00e0n ch\u1ea3i th\u00e9p, gi\u1ea5y nh\u00e1m th\u00f4, b\u1ed9t m\u00e0i c\u00f3 h\u1ea1t s\u1eaft.<\/p>\n<h2 id=\"toc-3-so-sanh-nhanh-201-304-316-cho-phong-tam\">So s\u00e1nh nhanh 201 \u2013 304 \u2013 316 cho ph\u00f2ng t\u1eafm<\/h2>\n<p>&#8211; 201: Ni th\u1ea5p, Mn\/N cao; gi\u00e1 r\u1ebb nh\u01b0ng nh\u1ea1y chloride, nhanh \u1ed1 g\u1ec9 v\u00e0 r\u1ed7 trong ph\u00f2ng t\u1eafm \u1ea9m; ch\u1ec9 c\u00e2n nh\u1eafc cho kh\u00f4ng gian kh\u00f4 v\u00e0 \u00edt ti\u1ebfp x\u00fac n\u01b0\u1edbc.<br \/>\n&#8211; 304\/304L: c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa chi ph\u00ed\/\u0111\u1ed9 b\u1ec1n; ph\u00f9 h\u1ee3p \u0111a s\u1ed1 c\u00f4ng tr\u00ecnh n\u1ed9i th\u1ecb; y\u00eau c\u1ea7u ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t t\u1ed1t v\u00e0 b\u1ea3o tr\u00ec \u0111\u00fang.<br \/>\n&#8211; 316\/316L: b\u1ed5 sung Mo, kh\u00e1ng chloride v\u01b0\u1ee3t tr\u1ed9i; t\u1ed1i \u01b0u cho ven bi\u1ec3n\/h\u1ed3 b\u01a1i\/spa\/c\u00f4ng tr\u00ecnh cao c\u1ea5p; chi ph\u00ed cao h\u01a1n nh\u01b0ng TCO th\u1ea5p h\u01a1n n\u1ebfu m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<h2 id=\"toc-4-checklist-thong-so-ky-thuat-khi-dat-mua\">Checklist th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt khi \u0111\u1eb7t mua<\/h2>\n<p>&#8211; M\u00e1c th\u00e9p: 304\/304L theo ASTM A240 (t\u1ea5m), A276 (thanh), A554 (\u1ed1ng trang tr\u00ed).<br \/>\n&#8211; B\u1ec1 m\u1eb7t: BA\/No.8 ho\u1eb7c No.4 m\u1ecbn; t\u00f9y ch\u1ecdn electropolish; PVD n\u1ebfu c\u1ea7n m\u00e0u.<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y\/t\u1ea3i: t\u1ed1i thi\u1ec3u 0.8\u20131.0 mm cho thanh treo; 1.2\u20131.5 mm cho tay v\u1ecbn; b\u1ea3n m\u00e3 \u22653.0 mm.<br \/>\n&#8211; H\u00e0n \u2013 x\u1eed l\u00fd: m\u1ed1i h\u00e0n TIG\/MIG v\u1edbi 308L; t\u1ea9y m\u00e0u \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n.<br \/>\n&#8211; \u1ed0c v\u00edt\/neo: ISO 3506 A2-70 (ho\u1eb7c A4-70 cho m\u00f4i tr\u01b0\u1eddng chloride cao); tr\u00e1nh v\u00edt th\u00e9p m\u1ea1.<br \/>\n&#8211; Thi\u1ebft k\u1ebf: c\u00f3 tho\u00e1t n\u01b0\u1edbc, h\u1ea1n ch\u1ebf khe k\u1ebd; n\u1eafp ch\u1ee5p k\u00edn \u0111\u1ea7u \u1ed1ng; m\u00e9p bo tr\u00f2n.<br \/>\n&#8211; Ki\u1ec3m \u0111\u1ecbnh: MTC\/COC, ki\u1ec3m tra XRF khi nghi\u1ec7m thu l\u00f4 h\u00e0ng; ch\u00ednh s\u00e1ch b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng.<\/p>\n<h2 id=\"toc-5-tinh-huong-thuc-te-va-goi-y-cau-hinh-phu-kien\">T\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf v\u00e0 g\u1ee3i \u00fd c\u1ea5u h\u00ecnh ph\u1ee5 ki\u1ec7n<\/h2>\n<p>&#8211; C\u0103n h\u1ed9 n\u1ed9i \u0111\u00f4 H\u00e0 N\u1ed9i:<br \/>\n  &#8211; Towel bar \u0111\u00f4i 304 No.4 m\u1ecbn d\u00e0y 1.0 mm; k\u1ec7 g\u00f3c 304 electropolish; l\u01b0\u1edbi tho\u00e1t s\u00e0n 304 t\u1ea5m 1.2\u20131.5 mm; \u1ed1c A2-70; ch\u1ea5t t\u1ea9y pH trung t\u00ednh.<br \/>\n&#8211; Kh\u00e1ch s\u1ea1n ven bi\u1ec3n\/qu\u1ea7n th\u1ec3 resort:<br \/>\n  &#8211; N\u00e2ng c\u1ea5p to\u00e0n b\u1ed9 l\u00ean 316\/316L; \u1ed1c v\u00edt A4-70; b\u1ec1 m\u1eb7t g\u01b0\u01a1ng\/electropolish; l\u1ecbch lau r\u1eeda h\u00e0ng tu\u1ea7n b\u1eaft bu\u1ed9c \u0111\u1ec3 ng\u1eeba mu\u1ed1i \u0111\u1ecdng.<br \/>\n&#8211; B\u1ec7nh vi\u1ec7n\/ph\u00f2ng t\u1eafm an to\u00e0n:<br \/>\n  &#8211; Tay v\u1ecbn \u00d832\u201338 mm x 1.5 mm 304L\/316L; ki\u1ec3m th\u1eed t\u1ea3i; b\u1ec1 m\u1eb7t g\u01b0\u01a1ng \u0111\u1ec3 v\u1ec7 sinh nhanh; ph\u1ee5 ki\u1ec7n kh\u00f4ng s\u1eafc c\u1ea1nh.<\/p>\n<h2 id=\"toc-6-chi-phi-loi-ich-vi-sao-dung-mac-dung-hoan-thien-re\">Chi ph\u00ed \u2013 l\u1ee3i \u00edch: v\u00ec sao \u201c\u0111\u00fang m\u00e1c, \u0111\u00fang ho\u00e0n thi\u1ec7n\u201d r\u1ebb h\u01a1n v\u1ec1 l\u00e2u d\u00e0i<\/h2>\n<p>&#8211; 201 r\u1ebb tr\u01b0\u1edbc m\u1eaft nh\u01b0ng d\u1ec5 \u1ed1 g\u1ec9, ph\u00e1t sinh thay m\u1edbi sau 6\u201318 th\u00e1ng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m c\u00f3 chloride.<br \/>\n&#8211; 304 v\u1edbi ho\u00e0n thi\u1ec7n t\u1ed1t v\u00e0 b\u1ea3o tr\u00ec chu\u1ea9n th\u01b0\u1eddng duy tr\u00ec th\u1ea9m m\u1ef9 5\u201310 n\u0103m \u1edf n\u1ed9i \u0111\u00f4.<br \/>\n&#8211; 316 \u1edf v\u00f9ng bi\u1ec3n c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd g\u1ea5p 2\u20133 l\u1ea7n so v\u1edbi 304, gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec\/gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5.<\/p>\n<h2 id=\"toc-7-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; Outokumpu Datasheets \u2013 Core 304\/304L, 316\/316L: th\u00e0nh ph\u1ea7n v\u00e0 kh\u00e1ng \u0103n m\u00f2n.<br \/>\n&#8211; Nickel Institute \u2013 Cleaning and maintenance of stainless steel; c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ec1 chloride v\u00e0 v\u1ec7 sinh.<br \/>\n&#8211; ASSDA (Australian Stainless Steel Development Association) \u2013 H\u01b0\u1edbng d\u1eabn ph\u00f2ng ch\u1ed1ng \u201ctea staining\u201d \u1edf khu v\u1ef1c ven bi\u1ec3n.<br \/>\n&#8211; BSSA (British Stainless Steel Association) \u2013 So s\u00e1nh 304 vs 316 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 chloride.<br \/>\n&#8211; ISO 3506-1 \u2013 Mechanical properties of corrosion-resistant stainless steel fasteners (A2\/A4, property classes).<\/p>\n<h2 id=\"toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110\u1ec3 ph\u1ee5 ki\u1ec7n Inox 304 ph\u00f2ng t\u1eafm \u201cch\u1ed1ng g\u1ec9 s\u00e9t th\u1eadt\u201d trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, c\u1ea7n \u0111\u1ed3ng th\u1eddi: x\u00e1c th\u1ef1c \u0111\u00fang m\u00e1c (\u01b0u ti\u00ean 304L cho chi ti\u1ebft h\u00e0n), ch\u1ecdn b\u1ec1 m\u1eb7t nh\u1eb5n cao v\u00e0 x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng t\u1ed1t, thi\u1ebft k\u1ebf h\u1ea1n ch\u1ebf khe \u0111\u1ecdng \u1ea9m, d\u00f9ng \u1ed1c v\u00edt Inox \u0111\u1ed3ng c\u1ea5p, l\u1eafp \u0111\u1eb7t tr\u00e1nh nhi\u1ec5m b\u1ea9n s\u1eaft v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 b\u1eb1ng ch\u1ea5t t\u1ea9y trung t\u00ednh. Trong m\u00f4i tr\u01b0\u1eddng chloride cao (ven bi\u1ec3n, h\u1ed3 b\u01a1i), n\u00ean chuy\u1ec3n l\u00ean 316\/316L \u0111\u1ec3 t\u1ed1i \u01b0u tu\u1ed5i th\u1ecd v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi. L\u00e0m \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u s\u1ebd gi\u00fap c\u00f4ng tr\u00ecnh b\u1ec1n \u0111\u1eb9p nhi\u1ec1u n\u0103m, h\u1ea1n ch\u1ebf \u1ed1 g\u1ec9 v\u00e0 chi ph\u00ed thay th\u1ebf.<\/p>\n<p>C\u1ea7n b\u00e1o gi\u00e1 v\u00e0 t\u01b0 v\u1ea5n c\u1ea5u h\u00ecnh ph\u1ee5 ki\u1ec7n Inox ph\u00f9 h\u1ee3p c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox Cuong Thinh \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 gi\u00e1 t\u1ed1t:<br \/>\n&#8211; Hotline: 0343.417.281<br \/>\n&#8211; Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ti\u00eau ch\u00ed ch\u1ecdn ph\u1ee5 ki\u1ec7n Inox 304 ch\u1ed1ng g\u1ec9 cho ph\u00f2ng t\u1eafm: v\u1eadt li\u1ec7u, b\u1ec1 m\u1eb7t, \u0111\u1ed9 d\u00e0y, \u1ed1c v\u00edt, h\u00e0n\u2013passivation, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec. So s\u00e1nh 201\/304\/316.<\/p>\n","protected":false},"author":7,"featured_media":1066,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2130","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\/2130","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=2130"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2130\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1066"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}