{"id":1741,"date":"2026-03-03T12:34:27","date_gmt":"2026-03-03T05:34:27","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/voi-nuoc-gia-treo-phu-kien-phong-tam-inox-304-chon-mua-lap-dat\/"},"modified":"2026-03-03T12:34:27","modified_gmt":"2026-03-03T05:34:27","slug":"voi-nuoc-gia-treo-phu-kien-phong-tam-inox-304-chon-mua-lap-dat","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/voi-nuoc-gia-treo-phu-kien-phong-tam-inox-304-chon-mua-lap-dat\/","title":{"rendered":"V\u00f2i n\u01b0\u1edbc, gi\u00e1 treo, ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm Inox 304: ch\u1ecdn mua &#038; l\u1eafp \u0111\u1eb7t"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-vi-sao-nen-chon-inox-304-cho-phu-kien-phong-tam\">V\u00ec sao n\u00ean ch\u1ecdn Inox 304 cho ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm?<\/a><\/li>\n<li><a href=\"#toc-1-phan-biet-304-voi-201316-va-hang-ma-crom\">Ph\u00e2n bi\u1ec7t 304 v\u1edbi 201\/316 v\u00e0 h\u00e0ng m\u1ea1 crom<\/a><\/li>\n<li><a href=\"#toc-2-danh-muc-phu-kien-chinh-va-thong-so-khuyen-nghi\">Danh m\u1ee5c ph\u1ee5 ki\u1ec7n ch\u00ednh v\u00e0 th\u00f4ng s\u1ed1 khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-3-kich-thuoc-lap-dat-chuan-tham-khao\">K\u00edch th\u01b0\u1edbc l\u1eafp \u0111\u1eb7t chu\u1ea9n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-4-huong-dan-lap-dat-tom-tat-dung-ngay-tu-lan-dau\">H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t t\u00f3m t\u1eaft (\u0111\u00fang ngay t\u1eeb l\u1ea7n \u0111\u1ea7u)<\/a><\/li>\n<li><a href=\"#toc-5-bao-tri-giu-inox-304-luon-sang-va-khong-o-tra\">B\u1ea3o tr\u00ec: gi\u1eef Inox 304 lu\u00f4n s\u00e1ng v\u00e0 kh\u00f4ng \u201c\u1ed1 tr\u00e0\u201d<\/a><\/li>\n<li><a href=\"#toc-6-kiem-dinh-chat-luong-va-ho-so-ky-thuat-can-yeu-cau\">Ki\u1ec3m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt c\u1ea7n y\u00eau c\u1ea7u<\/a><\/li>\n<li><a href=\"#toc-7-bai-toan-chi-phi-cau-hinh-toi-uu-theo-moi-truong-s\">B\u00e0i to\u00e1n chi ph\u00ed: c\u1ea5u h\u00ecnh t\u1ed1i \u01b0u theo m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-8-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-9-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong trang tr\u00ed n\u1ed9i th\u1ea5t hi\u1ec7n \u0111\u1ea1i, ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm b\u1eb1ng Inox 304\u2014t\u1eeb v\u00f2i n\u01b0\u1edbc, gi\u00e1 treo \u0111\u1ebfn thanh v\u1ecbn, tho\u00e1t s\u00e0n\u2014\u0111ang thay th\u1ebf m\u1ea1nh m\u1ebd v\u1eadt li\u1ec7u m\u1ea1 crom nh\u1edd \u0111\u1ed9 b\u1ec1n, an to\u00e0n v\u00e0 t\u00ednh th\u1ea9m m\u1ef9 cao. B\u00e0i vi\u1ebft n\u00e0y l\u00e0 h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang s\u1ea3n ph\u1ea9m Inox 304, l\u1eafp \u0111\u1eb7t chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu \u1ea9m c\u1ee7a Vi\u1ec7t Nam.<\/p>\n<h2 id=\"toc-0-vi-sao-nen-chon-inox-304-cho-phu-kien-phong-tam\">V\u00ec sao n\u00ean ch\u1ecdn Inox 304 cho ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm?<\/h2>\n<p>&#8211; Th\u00e0nh ph\u1ea7n v\u00e0 c\u1ea5p v\u1eadt li\u1ec7u: Inox 304 (AISI 304\/EN 1.4301\/JIS SUS304) ch\u1ee9a kho\u1ea3ng 18\u201320% Cr v\u00e0 8\u201310.5% Ni, cacbon \u22640.08%. \u0110\u00e2y l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 austenitic \u201c18\/8\u201d kinh \u0111i\u1ec3n, c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa ch\u1ed1ng \u0103n m\u00f2n, d\u1ec5 gia c\u00f4ng v\u00e0 b\u1ec1 m\u1eb7t \u0111\u1eb9p.<br \/>\n&#8211; Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n: 304 ch\u1ecbu n\u01b0\u1edbc sinh ho\u1ea1t v\u00e0 h\u01a1i \u1ea9m r\u1ea5t t\u1ed1t. Theo Nickel Institute, 304 th\u00edch h\u1ee3p cho n\u01b0\u1edbc u\u1ed1ng c\u00f3 clo h\u00f2a tan \u0111\u1ebfn kho\u1ea3ng 200 mg\/L \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng; n\u1ebfu \u1edf khu v\u1ef1c ven bi\u1ec3n, h\u01a1i mu\u1ed1i cao, c\u1ea7n b\u1ea3o tr\u00ec t\u1ed1t ho\u1eb7c c\u00e2n nh\u1eafc 316 cho h\u1ea1ng m\u1ee5c ngo\u00e0i tr\u1eddi.<br \/>\n&#8211; C\u01a1 t\u00ednh \u0111i\u1ec3n h\u00ecnh: gi\u1edbi h\u1ea1n ch\u1ea3y ~205 MPa, b\u1ec1n k\u00e9o ~515 MPa, gi\u00e3n d\u00e0i ~40% (theo datasheet Outokumpu). Ph\u00f9 h\u1ee3p cho chi ti\u1ebft m\u1ecfng nh\u01b0ng ch\u1ecbu l\u1ef1c v\u1eeba nh\u01b0 gi\u00e1 treo, k\u1ec7, th\u00e2n v\u00f2i gia c\u00f4ng CNC\/\u0111\u00fac.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111a d\u1ea1ng: 2B, Hairline (HL), b\u00f3ng g\u01b0\u01a1ng BA, ph\u1ee7 m\u00e0u PVD (v\u00e0ng champagne, \u0111en titan\u2026) gi\u1eef s\u1eafc l\u00e2u h\u01a1n s\u01a1n m\u1ea1 th\u00f4ng th\u01b0\u1eddng.<br \/>\n&#8211; An to\u00e0n s\u1ee9c kh\u1ecfe v\u00e0 b\u1ec1n v\u1eefng: 304 kh\u00f4ng ch\u1ee9a ch\u00ec nh\u01b0 m\u1ed9t s\u1ed1 h\u1ee3p kim \u0111\u1ed3ng thau; b\u1ec1 m\u1eb7t tr\u01a1, d\u1ec5 v\u1ec7 sinh; v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf g\u1ea7n nh\u01b0 100%.<\/p>\n<h2 id=\"toc-1-phan-biet-304-voi-201316-va-hang-ma-crom\">Ph\u00e2n bi\u1ec7t 304 v\u1edbi 201\/316 v\u00e0 h\u00e0ng m\u1ea1 crom<\/h2>\n<p>&#8211; So v\u1edbi 201: 201 \u00edt niken, ch\u1ed1ng g\u1ec9 k\u00e9m h\u01a1n trong m\u00f4i tr\u01b0\u1eddng \u1ea9m\/ion clo. 201 th\u01b0\u1eddng r\u1ebb h\u01a1n nh\u01b0ng d\u1ec5 \u1ed1 v\u00e0ng, \u201ctea staining\u201d nhanh n\u1ebfu b\u1ea3o tr\u00ec k\u00e9m.<br \/>\n&#8211; So v\u1edbi 316: 316 c\u00f3 molypden (~2%), ch\u1ed1ng r\u1ed7 pitting clo t\u1ed1t h\u01a1n, ph\u00f9 h\u1ee3p kh\u00f4ng gian ngo\u00e0i tr\u1eddi ven bi\u1ec3n. Trong ph\u00f2ng t\u1eafm trong nh\u00e0 t\u1ea1i H\u00e0 N\u1ed9i v\u00e0 \u0111a s\u1ed1 khu v\u1ef1c n\u1ed9i \u0111\u1ecba, 304 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u chi ph\u00ed.<br \/>\n&#8211; So v\u1edbi \u0111\u1ed3ng m\u1ea1 crom: B\u1ec1 m\u1eb7t crom b\u00f3ng nh\u01b0ng l\u1edbp m\u1ea1 c\u00f3 th\u1ec3 bong, \u0103n m\u00f2n ch\u00e2n m\u1ea1 \u1edf r\u00eca\/ren. 304 l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 xuy\u00ean su\u1ed1t v\u1eadt li\u1ec7u, khi x\u01b0\u1edbc c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i b\u1eb1ng \u0111\u00e1nh x\u01b0\u1edbc HL ho\u1eb7c passivation.<br \/>\n&#8211; L\u01b0u \u00fd \u201cth\u1eed nam ch\u00e2m\u201d kh\u00f4ng \u0111\u1ee7 ch\u00ednh x\u00e1c: 304 sau gia c\u00f4ng ngu\u1ed9i c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb. H\u00e3y y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u (MTC EN 10204 3.1) ho\u1eb7c ki\u1ec3m tra PMI khi c\u1ea7n.<\/p>\n<h2 id=\"toc-2-danh-muc-phu-kien-chinh-va-thong-so-khuyen-nghi\">Danh m\u1ee5c ph\u1ee5 ki\u1ec7n ch\u00ednh v\u00e0 th\u00f4ng s\u1ed1 khuy\u1ebfn ngh\u1ecb<\/h2>\n<h3>1) V\u00f2i n\u01b0\u1edbc (v\u00f2i ch\u1eadu\/voi lavabo, sen t\u1eafm, v\u00f2i x\u1ecbt)<\/h3>\n<p>&#8211; V\u1eadt li\u1ec7u th\u00e2n v\u00f2i: 100% Inox 304 gia c\u00f4ng CNC\/\u0111\u00fac s\u00e1p m\u1ea5t, v\u1ecf d\u00e0y \u22652.0 mm t\u1ea1i \u0111i\u1ec3m m\u1ecfng nh\u1ea5t gi\u00fap ch\u1ed1ng bi\u1ebfn d\u1ea1ng v\u00e0 \u0103n m\u00f2n \u0111i\u1ec3m.<br \/>\n&#8211; L\u00f5i tr\u1ed9n (cartridge): G\u1ed1m s\u1ee9 35\u201340 mm, v\u00f2ng \u0111\u1eddi t\u1ed1i thi\u1ec3u 300.000 l\u1ea7n \u0111\u00f3ng\/m\u1edf; th\u01b0\u01a1ng hi\u1ec7u ph\u1ed5 bi\u1ebfn: Sedal, Kerox.<br \/>\n&#8211; \u0110\u1ea7u t\u1ea1o b\u1ecdt (aerator): Neoperl ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, l\u01b0u l\u01b0\u1ee3ng 5\u20138 L\/ph\u00fat gi\u00fap ti\u1ebft ki\u1ec7m n\u01b0\u1edbc, tia \u0111\u1ec1u, ch\u1ed1ng b\u1eafn.<br \/>\n&#8211; \u1ed0ng c\u1ea5p m\u1ec1m: B\u1ec7n Inox 304, l\u00f5i EPDM, kh\u1edbp n\u1ed1i chu\u1ea9n G1\/2&#8243; BSP (ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam); v\u00f2ng \u0111\u1ec7m EPDM ch\u1ecbu nhi\u1ec7t\/\u00e1p su\u1ea5t.<br \/>\n&#8211; \u00c1p l\u1ef1c v\u1eadn h\u00e0nh: T\u1ed1i \u01b0u 0.2\u20130.5 MPa (2\u20135 bar). D\u01b0\u1edbi 0.1 MPa n\u00ean d\u00f9ng v\u00f2i\/l\u00f5i ph\u00f9 h\u1ee3p \u00e1p th\u1ea5p; tr\u00ean 0.5 MPa l\u1eafp van gi\u1ea3m \u00e1p.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n: Hairline ch\u1ed1ng x\u01b0\u1edbc t\u1ed1t, BA b\u00f3ng g\u01b0\u01a1ng sang tr\u1ecdng; PVD m\u00e0u n\u00ean ch\u1ecdn l\u1edbp ph\u1ee7 chu\u1ea9n ch\u00e2n kh\u00f4ng TiN\/ZrN, th\u1eed s\u01b0\u01a1ng mu\u1ed1i \u226596\u2013200 gi\u1edd (ISO 9227 NSS) cho m\u00f4i tr\u01b0\u1eddng \u1ea9m.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n tham chi\u1ebfu: v\u1eadt li\u1ec7u theo ASTM A240 (t\u1ea5m) ho\u1eb7c ASTM A276\/A479 (thanh), chi ti\u1ebft \u1ed1ng theo ASTM A554 (\u1ed1ng trang tr\u00ed).<\/p>\n<h3>2) Gi\u00e1 treo kh\u0103n, k\u1ec7, m\u00f3c \u00e1o<\/h3>\n<p>&#8211; \u1ed0ng treo: \u0110\u01b0\u1eddng k\u00ednh 22\u201325 mm, \u0111\u1ed9 d\u00e0y 0.8\u20131.0 mm cho d\u00e2n d\u1ee5ng; k\u1ec7 g\u00f3c\/k\u1ec7 k\u00ednh n\u00ean c\u00f3 tai \u0111\u1ee1 304 d\u00e0y 2.0\u20132.5 mm.<br \/>\n&#8211; \u0110\u1ebf\/\u0111\u1ea7u b\u1ecbt: Inox 304 \u0111\u00fac ho\u1eb7c d\u1eadp d\u00e0y, b\u1eaft v\u00edt \u1ea9n; gio\u0103ng nylon ch\u1ed1ng rung.<br \/>\n&#8211; Ch\u1ecbu t\u1ea3i: T\u1ed1i thi\u1ec3u 10\u201315 kg cho k\u1ec7\/gi\u00e1 treo kh\u0103n \u0111\u00f4i; d\u00f9ng t\u1eafc k\u00ea 6\u20138 mm cho t\u01b0\u1eddng g\u1ea1ch \u0111\u1eb7c\/b\u00ea t\u00f4ng.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: HL \u00edt l\u1ed9 v\u1ebft ch\u1ea1m tay; BA\/PVD h\u1ee3p ph\u00f2ng t\u1eafm phong c\u00e1ch hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h3>3) Thanh v\u1ecbn an to\u00e0n (grab bar) cho ng\u01b0\u1eddi gi\u00e0\/tr\u1ebb nh\u1ecf<\/h3>\n<p>&#8211; K\u00edch th\u01b0\u1edbc: 300\/450\/600 mm; \u1ed1ng \u00d832 mm d\u1ec5 n\u1eafm; \u0111\u1ed9 d\u00e0y 1.2\u20131.5 mm.<br \/>\n&#8211; T\u1ea3i tr\u1ecdng: Khuy\u1ebfn ngh\u1ecb ch\u1ecbu t\u1ea3i t\u0129nh \u2265150 kg; \u0111\u1ebf b\u1eaft 3\u20134 v\u00edt Inox A2-70, t\u1eafc k\u00ea n\u1edf 8\u201310 mm v\u00e0o t\u01b0\u1eddng ch\u1ecbu l\u1ef1c.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: Nh\u00e1m m\u1ecbn ho\u1eb7c r\u00e3nh ch\u1ed1ng tr\u01b0\u1ee3t t\u1ea1i v\u00f9ng n\u1eafm.<\/p>\n<h3>4) Tho\u00e1t s\u00e0n (floor drain) v\u00e0 ph\u1ee5 ki\u1ec7n x\u1ea3<\/h3>\n<p>&#8211; Khung\/n\u1eafp: Inox 304 d\u00e0y 1.0\u20131.5 mm; b\u1ec1 m\u1eb7t HL\/BA; khe tho\u00e1t t\u1ed1i \u01b0u 5\u20138 mm.<br \/>\n&#8211; Ch\u1ed1ng m\u00f9i: C\u1ed1c n\u01b0\u1edbc ho\u1eb7c m\u00e0ng m\u1ed9t chi\u1ec1u silicone thay th\u1ebf d\u1ec5 d\u00e0ng.<br \/>\n&#8211; L\u01b0u l\u01b0\u1ee3ng x\u1ea3: Ph\u00f9 h\u1ee3p l\u01b0u l\u01b0\u1ee3ng sen m\u01b0a 10\u201315 L\/ph\u00fat; k\u00edch th\u01b0\u1edbc \u0111i\u1ec3n h\u00ecnh 100\u00d7100 mm ho\u1eb7c 120\u00d7120 mm.<br \/>\n&#8211; Khuy\u1ebfn ngh\u1ecb \u0111\u1ed9 d\u1ed1c n\u1ec1n: 1\u20132% v\u1ec1 h\u01b0\u1edbng tho\u00e1t.<\/p>\n<h3>5) Ph\u1ee5 ki\u1ec7n k\u00ednh \u2013 khung g\u01b0\u01a1ng, k\u1eb9p k\u00ednh, b\u1ea3n l\u1ec1<\/h3>\n<p>&#8211; Inox 304 ch\u1ed1ng r\u1ec9 t\u1ed1t \u1edf v\u00f9ng \u1ea9m c\u1ea1nh k\u00ednh; k\u1eb9p k\u00ednh d\u00e0y 2.5\u20133.0 mm; \u1ed1c v\u00edt \u0111i k\u00e8m b\u1eb1ng 304\/A2-70 \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<\/p>\n<h2 id=\"toc-3-kich-thuoc-lap-dat-chuan-tham-khao\">K\u00edch th\u01b0\u1edbc l\u1eafp \u0111\u1eb7t chu\u1ea9n tham kh\u1ea3o<\/h2>\n<p>&#8211; Gi\u00e1 treo kh\u0103n: 900\u20131200 mm t\u00ednh t\u1eeb s\u00e0n \u0111\u1ebfn t\u00e2m \u1ed1ng.<br \/>\n&#8211; M\u00f3c \u00e1o: 1650\u20131750 mm t\u00ednh t\u1eeb s\u00e0n, tr\u00e1nh v\u00f9ng \u01b0\u1edbt tr\u1ef1c ti\u1ebfp.<br \/>\n&#8211; K\u1ec7 x\u00e0 ph\u00f2ng\/\u0111\u1ed3 d\u00f9ng: 1000\u20131200 mm, trong t\u1ea7m v\u1edbi khi t\u1eafm.<br \/>\n&#8211; Gi\u00e1 gi\u1ea5y v\u1ec7 sinh: 600\u2013700 mm v\u00e0 c\u00e1ch m\u00e9p b\u1ed3n c\u1ea7u 200\u2013300 mm.<br \/>\n&#8211; Thanh v\u1ecbn c\u1ea1nh b\u1ed3n c\u1ea7u: Ngang 800\u2013850 mm; thanh \u0111\u1ee9ng c\u1ea1nh khu t\u1eafm \u0111\u1eb7t c\u00e1ch s\u00e0n 900\u20131200 mm.<br \/>\nL\u01b0u \u00fd \u0111i\u1ec1u ch\u1ec9nh theo chi\u1ec1u cao ng\u01b0\u1eddi d\u00f9ng v\u00e0 v\u1ecb tr\u00ed thi\u1ebft b\u1ecb th\u1ef1c t\u1ebf.<\/p>\n<h2 id=\"toc-4-huong-dan-lap-dat-tom-tat-dung-ngay-tu-lan-dau\">H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t t\u00f3m t\u1eaft (\u0111\u00fang ngay t\u1eeb l\u1ea7n \u0111\u1ea7u)<\/h2>\n<h3>A) L\u1eafp v\u00f2i ch\u1eadu\/sen t\u1eafm Inox 304<\/h3>\n<p>&#8211; B\u01b0\u1edbc 1: Kh\u00f3a n\u01b0\u1edbc t\u1ed5ng. Ki\u1ec3m tra ren t\u01b0\u1eddng chu\u1ea9n G1\/2&#8243;. V\u1ec7 sinh c\u1eb7n b\u1ea9n \u0111\u01b0\u1eddng \u1ed1ng.<br \/>\n&#8211; B\u01b0\u1edbc 2: Qu\u1ea5n b\u0103ng tan (PTFE) 8\u201310 v\u00f2ng theo chi\u1ec1u ren cho c\u00e1c kh\u1edbp n\u1ed1i.<br \/>\n&#8211; B\u01b0\u1edbc 3: G\u1eafn \u0111\u1ebf che t\u01b0\u1eddng 304, l\u1eafp \u1ed1ng c\u1ea5p m\u1ec1m, si\u1ebft l\u1ef1c v\u1eeba tay (kh\u00f4ng qu\u00e1 10\u201312 N\u00b7m v\u1edbi kh\u1edbp nh\u1ecf) \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng ren\/gio\u0103ng.<br \/>\n&#8211; B\u01b0\u1edbc 4: L\u1eafp th\u00e2n v\u00f2i qua l\u1ed7 ch\u1eadu (\u00d832\u201335 mm), c\u0103n th\u1eb3ng, si\u1ebft \u00ea-cu kh\u00f3a.<br \/>\n&#8211; B\u01b0\u1edbc 5: M\u1edf n\u01b0\u1edbc, x\u1ea3 b\u1ea9n 5\u201310 gi\u00e2y qua aerator, ki\u1ec3m tra r\u00f2 r\u1ec9; ch\u1ec9nh n\u00fat ch\u1eb7n n\u00f3ng-l\u1ea1nh n\u1ebfu c\u00f3 ch\u1ed1ng b\u1ecfng.<\/p>\n<h3>B) L\u1eafp gi\u00e1 treo\/k\u1ec7\/m\u00f3c \u00e1o<\/h3>\n<p>&#8211; B\u01b0\u1edbc 1: \u0110\u00e1nh d\u1ea5u v\u1ecb tr\u00ed, d\u00f9ng th\u01b0\u1edbc th\u1ee7y \u0111\u1ec3 c\u0103n th\u1eb3ng.<br \/>\n&#8211; B\u01b0\u1edbc 2: Khoan m\u0169i g\u1ea1ch\/\u0111\u00e1; d\u00f9ng t\u1eafc k\u00ea nylon 6\u20138 mm (k\u1ec7 n\u1eb7ng\/treo kh\u0103n \u0111\u00f4i d\u00f9ng 8 mm). V\u1edbi t\u01b0\u1eddng g\u1ea1ch r\u1ed7ng d\u00f9ng t\u1eafc k\u00ea c\u00e1nh b\u01b0\u1edbm\/keo h\u00f3a h\u1ecdc.<br \/>\n&#8211; B\u01b0\u1edbc 3: B\u1eaft v\u00edt Inox A2-70; tra keo silicone trung t\u00ednh m\u1ecfng \u1edf m\u1eb7t ti\u1ebfp gi\u00e1p ch\u1ed1ng \u1ea9m\/\u0111\u1ecdng n\u01b0\u1edbc.<br \/>\n&#8211; B\u01b0\u1edbc 4: L\u1eafp n\u1eafp che\/\u1ed1p h\u00e3m, ki\u1ec3m tra \u0111\u1ed9 ch\u1eafc.<\/p>\n<h3>C) L\u1eafp thanh v\u1ecbn<\/h3>\n<p>&#8211; B\u1eaft tr\u1ef1c ti\u1ebfp v\u00e0o tr\u1ee5 g\u1ea1ch \u0111\u1eb7c\/b\u00ea t\u00f4ng; n\u1ebfu l\u00e0 t\u01b0\u1eddng nh\u1eb9 c\u1ea7n gia c\u01b0\u1eddng x\u01b0\u01a1ng th\u00e9p\/g\u1ed7 b\u00ean trong. D\u00f9ng \u00edt nh\u1ea5t 3 v\u00edt\/\u0111\u1ebf, t\u1eafc k\u00ea 8\u201310 mm. Ki\u1ec3m tra ch\u1ecbu t\u1ea3i b\u1eb1ng th\u1eed l\u1ef1c ng\u01b0\u1eddi l\u1edbn tr\u01b0\u1edbc khi b\u00e0n giao.<\/p>\n<h2 id=\"toc-5-bao-tri-giu-inox-304-luon-sang-va-khong-o-tra\">B\u1ea3o tr\u00ec: gi\u1eef Inox 304 lu\u00f4n s\u00e1ng v\u00e0 kh\u00f4ng \u201c\u1ed1 tr\u00e0\u201d<\/h2>\n<p>&#8211; V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3: R\u1eeda n\u01b0\u1edbc s\u1ea1ch; d\u00f9ng x\u00e0 ph\u00f2ng trung t\u00ednh\/kem t\u1ea9y ch\u1ee9a oxalic nh\u1eb9; kh\u0103n m\u1ec1m ho\u1eb7c pad \u0111\u00e1nh b\u00f3ng m\u00e0u tr\u1eafng.<br \/>\n&#8211; Tr\u00e1nh: N\u01b0\u1edbc Javen (NaClO), axit HCl\/\u201cn\u01b0\u1edbc c\u01b0\u1eddng toan\u201d, ch\u1ea5t t\u1ea9y ch\u1ee9a clorua n\u1ed3ng \u0111\u1ed9 cao. V\u1ebft v\u1eefa xi m\u0103ng\/axit r\u1eeda g\u1ea1ch ph\u1ea3i r\u1eeda tr\u00f4i ngay.<br \/>\n&#8211; X\u1eed l\u00fd \u1ed1 v\u00e0ng\/\u201ctea staining\u201d: D\u00f9ng dung d\u1ecbch axit citric ho\u1eb7c h\u00f3a ch\u1ea5t passivation cho inox; ch\u00e0 theo th\u1edb HL r\u1ed3i r\u1eeda s\u1ea1ch, lau kh\u00f4.<br \/>\n&#8211; Ph\u00f2ng ng\u1eeba: Ventilation t\u1ed1t, lau kh\u00f4 b\u1ec1 m\u1eb7t sau khi t\u1eafm; v\u1edbi khu v\u1ef1c ven bi\u1ec3n, t\u0103ng t\u1ea7n su\u1ea5t v\u1ec7 sinh 1\u20132 tu\u1ea7n\/l\u1ea7n.<\/p>\n<h2 id=\"toc-6-kiem-dinh-chat-luong-va-ho-so-ky-thuat-can-yeu-cau\">Ki\u1ec3m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt c\u1ea7n y\u00eau c\u1ea7u<\/h2>\n<p>&#8211; Ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u: EN 10204 3.1 cho chi ti\u1ebft th\u00e2n v\u00f2i\/ph\u1ee5 ki\u1ec7n quan tr\u1ecdng; ghi r\u00f5 m\u00e1c 304\/1.4301.<br \/>\n&#8211; B\u00e1o c\u00e1o th\u1eed nghi\u1ec7m s\u01b0\u01a1ng mu\u1ed1i: Theo ISO 9227 (NSS) \u0111\u1ed1i v\u1edbi s\u1ea3n ph\u1ea9m c\u00f3 ph\u1ee7 PVD\/ph\u1ea7n l\u1eafp gh\u00e9p.<br \/>\n&#8211; B\u1ea3o h\u00e0nh: 2\u20135 n\u0103m cho ph\u1ee5 ki\u1ec7n; 5\u201310 n\u0103m cho th\u00e2n v\u00f2i; l\u00f5i tr\u1ed9n 2\u20135 n\u0103m.<br \/>\n&#8211; Ki\u1ec3m tra th\u1ef1c t\u1ebf: B\u1ec1 m\u1eb7t \u0111\u1ed3ng nh\u1ea5t, kh\u00f4ng r\u1ed7; ren s\u1ea1ch; ph\u1ee5 ki\u1ec7n \u0111i k\u00e8m (\u1ed1c, t\u1eafc k\u00ea) b\u1eb1ng inox ho\u1eb7c m\u1ea1 k\u1ebdm d\u00e0y; ph\u1ee5 ki\u1ec7n n\u01b0\u1edbc \u0111\u1ea1t l\u01b0u l\u01b0\u1ee3ng\/\u00e1p l\u1ef1c c\u00f4ng b\u1ed1.<\/p>\n<h2 id=\"toc-7-bai-toan-chi-phi-cau-hinh-toi-uu-theo-moi-truong-s\">B\u00e0i to\u00e1n chi ph\u00ed: c\u1ea5u h\u00ecnh t\u1ed1i \u01b0u theo m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng<\/h2>\n<p>&#8211; C\u0103n h\u1ed9\/nh\u00e0 ph\u1ed1 n\u1ed9i \u0111\u00f4 (H\u00e0 N\u1ed9i, n\u1ed9i \u0111\u1ecba): Ch\u1ecdn 100% Inox 304 cho th\u00e2n v\u00f2i, gi\u00e1 treo d\u00e0y 0.8\u20131.0 mm; ho\u00e0n thi\u1ec7n HL \u0111\u1ec3 b\u1ec1n x\u01b0\u1edbc.<br \/>\n&#8211; Nh\u00e0 ngh\u1ec9\/kh\u00e1ch s\u1ea1n v\u1eadn h\u00e0nh cao: \u01afu ti\u00ean l\u00f5i tr\u1ed9n th\u01b0\u01a1ng hi\u1ec7u, aerator chu\u1ea9n, \u1ed1c 304; ph\u1ee5 ki\u1ec7n treo ch\u1ecdn \u0111\u1ebf \u0111\u00fac d\u00e0y.<br \/>\n&#8211; Ven bi\u1ec3n (H\u1ea3i Ph\u00f2ng, Qu\u1ea3ng Ninh) ho\u1eb7c ph\u00f2ng t\u1eafm m\u1edf: Gi\u1eef 304 nh\u01b0ng t\u0103ng b\u1ea3o tr\u00ec, ch\u1ecdn PVD ch\u1ea5t l\u01b0\u1ee3ng cao; h\u1ea1ng m\u1ee5c ngo\u00e0i tr\u1eddi\/s\u01b0\u01a1ng mu\u1ed1i tr\u1ef1c ti\u1ebfp c\u00e2n nh\u1eafc 316 cho chi ti\u1ebft then ch\u1ed1t.<br \/>\n&#8211; T\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi: 304 c\u00f3 su\u1ea5t \u0111\u1ea7u t\u01b0 trung b\u00ecnh nh\u01b0ng tu\u1ed5i th\u1ecd v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p, TCO v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi h\u00e0ng m\u1ea1 crom\/201.<\/p>\n<h2 id=\"toc-8-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; 304 c\u00f3 b\u1ecb nam ch\u00e2m h\u00fat kh\u00f4ng? \u0110\u00f4i khi c\u00f3, sau khi k\u00e9o\/d\u1eadp ngu\u1ed9i. \u0110i\u1ec1u n\u00e0y kh\u00f4ng kh\u1eb3ng \u0111\u1ecbnh \u201ckh\u00f4ng ph\u1ea3i 304\u201d. D\u1ef1a v\u00e0o ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u v\u00e0 ki\u1ec3m tra h\u00f3a h\u1ecdc m\u1edbi ch\u00ednh x\u00e1c.<br \/>\n&#8211; V\u00ec sao Inox 304 v\u1eabn c\u00f3 v\u1ebft g\u1ec9 n\u00e2u? Th\u01b0\u1eddng l\u00e0 \u201ctea staining\u201d do mu\u1ed1i\/\u0111\u1ecdng n\u01b0\u1edbc. L\u00e0m s\u1ea1ch v\u00e0 passivation s\u1ebd ph\u1ee5c h\u1ed3i; c\u1ea3i thi\u1ec7n th\u00f4ng gi\u00f3 v\u00e0 v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ng\u0103n t\u00e1i ph\u00e1t.<br \/>\n&#8211; L\u1edbp ph\u1ee7 PVD c\u00f3 b\u1ec1n? PVD t\u1ed1t c\u00f3 \u0111\u1ed9 b\u00e1m cao, b\u1ec1n h\u01a1n s\u01a1n\/m\u1ea1; tuy nhi\u00ean v\u1eabn c\u1ea7n tr\u00e1nh c\u1ecd x\u00e1t m\u1ea1nh v\u00e0 d\u00f9ng ch\u1ea5t t\u1ea9y trung t\u00ednh.<br \/>\n&#8211; D\u00f9ng silicone lo\u1ea1i n\u00e0o? N\u00ean d\u00f9ng silicone trung t\u00ednh (oxime\/alkoxy) \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi inox v\u00e0 b\u1ec1 m\u1eb7t x\u00e2y d\u1ef1ng.<\/p>\n<h2 id=\"toc-9-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; Nickel Institute \u2013 Selection of stainless steels for water and wastewater treatment (h\u01b0\u1edbng d\u1eabn v\u1ec1 ng\u01b0\u1ee1ng clo v\u00e0 ph\u00f9 h\u1ee3p trong n\u01b0\u1edbc sinh ho\u1ea1t).<br \/>\n&#8211; Outokumpu Stainless Steel 304\/304L Datasheet (th\u00e0nh ph\u1ea7n v\u00e0 c\u01a1 t\u00ednh \u0111i\u1ec3n h\u00ecnh).<br \/>\n&#8211; ASSDA \u2013 Tea Staining on Stainless Steel (nguy\u00ean nh\u00e2n v\u00e0 ph\u00f2ng ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng \u1ed1 n\u00e2u).<br \/>\n&#8211; ISO 9227:2017 \u2013 Neutral Salt Spray Test (\u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu s\u01b0\u01a1ng mu\u1ed1i).<br \/>\n&#8211; ASTM A240\/A554\/A312 (ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u t\u1ea5m\/\u1ed1ng trang tr\u00ed\/\u1ed1ng h\u00e0n cho inox).<br \/>\n&#8211; QCVN 01-1:2018\/BYT \u2013 Quy chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1ea1ch sinh ho\u1ea1t (b\u1ed1i c\u1ea3nh s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac n\u01b0\u1edbc).<\/p>\n<h2 id=\"toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>Ch\u1ecdn \u0111\u00fang Inox 304 cho v\u00f2i n\u01b0\u1edbc, gi\u00e1 treo v\u00e0 ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm gi\u00fap t\u1ed1i \u01b0u \u0111\u1ed9 b\u1ec1n ch\u1ed1ng g\u1ec9, an to\u00e0n s\u1ee9c kh\u1ecfe v\u00e0 th\u1ea9m m\u1ef9 l\u00e2u d\u00e0i. \u01afu ti\u00ean th\u00e2n v\u00f2i 100% 304, l\u00f5i tr\u1ed9n g\u1ed1m b\u1ec1n, aerator chu\u1ea9n; ph\u1ee5 ki\u1ec7n treo v\u1edbi \u0111\u1ed9 d\u00e0y h\u1ee3p l\u00fd, \u1ed1c v\u00edt 304 v\u00e0 l\u1eafp \u0111\u1eb7t v\u00e0o t\u01b0\u1eddng ch\u1eafc. B\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 b\u1eb1ng ch\u1ea5t t\u1ea9y trung t\u00ednh v\u00e0 th\u00f4ng gi\u00f3 t\u1ed1t s\u1ebd gi\u1eef b\u1ec1 m\u1eb7t lu\u00f4n s\u00e1ng m\u1edbi, gi\u1ea3m t\u1ed1i \u0111a nguy c\u01a1 \u1ed1 n\u00e2u. V\u1edbi c\u1ea5u h\u00ecnh \u0111\u00fang v\u00e0 thi c\u00f4ng chu\u1ea9n, Inox 304 l\u00e0 l\u1ef1a ch\u1ecdn c\u00f3 t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi t\u1ed1i \u01b0u cho ph\u00f2ng t\u1eafm hi\u1ec7n \u0111\u1ea1i t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<p>C\u1ea7n b\u00e1o gi\u00e1 v\u1eadt t\u01b0, t\u01b0 v\u1ea5n c\u1ea5u h\u00ecnh theo m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng v\u00e0 h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3:<br \/>\nHotline: 0343.417.281<br \/>\nEmail: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn mua, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec v\u00f2i n\u01b0\u1edbc, gi\u00e1 treo, ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm Inox 304 chu\u1ea9n k\u1ef9 thu\u1eadt, b\u1ec1n \u0111\u1eb9p ch\u1ed1ng g\u1ec9 cho nh\u00e0 t\u1eafm hi\u1ec7n \u0111\u1ea1i t\u1ea1i Vi\u1ec7t Nam.<\/p>\n","protected":false},"author":7,"featured_media":1024,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1741","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\/1741","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=1741"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1741\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1024"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}