{"id":2128,"date":"2026-06-11T12:38:17","date_gmt":"2026-06-11T05:38:17","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/phu-kien-inox-304-cho-phong-tam-tieu-chi-chon-mua-chong-gi\/"},"modified":"2026-06-11T12:38:17","modified_gmt":"2026-06-11T05:38:17","slug":"phu-kien-inox-304-cho-phong-tam-tieu-chi-chon-mua-chong-gi","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/phu-kien-inox-304-cho-phong-tam-tieu-chi-chon-mua-chong-gi\/","title":{"rendered":"Ph\u1ee5 ki\u1ec7n Inox 304 cho ph\u00f2ng t\u1eafm: ti\u00eau ch\u00ed ch\u1ecdn mua ch\u1ed1ng g\u1ec9"},"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-304-la-lua-chon-mac-dinh-cho-phong-tam\">V\u00ec sao Inox 304 l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh cho ph\u00f2ng t\u1eafm?<\/a><\/li>\n<li><a href=\"#toc-1-304-vs-201-vs-316-chon-mac-nao-cho-phong-tam\">304 vs 201 vs 316: ch\u1ecdn m\u00e1c n\u00e0o cho ph\u00f2ng t\u1eafm?<\/a><\/li>\n<li><a href=\"#toc-2-tieu-chi-ky-thuat-khi-chon-phu-kien-inox-304\">Ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt khi ch\u1ecdn ph\u1ee5 ki\u1ec7n Inox 304<\/a><\/li>\n<li><a href=\"#toc-3-bo-phu-kien-phong-tam-304-de-xuat-va-thong-so-goi-\">B\u1ed9 ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm 304 \u0111\u1ec1 xu\u1ea5t v\u00e0 th\u00f4ng s\u1ed1 g\u1ee3i \u00fd<\/a><\/li>\n<li><a href=\"#toc-4-thiet-ke-va-lap-dat-de-chong-an-mon-ngay-tu-dau\">Thi\u1ebft k\u1ebf v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n ngay t\u1eeb \u0111\u1ea7u<\/a><\/li>\n<li><a href=\"#toc-5-bao-tri-giu-inox-304-sang-bong-trong-moi-truong-am\">B\u1ea3o tr\u00ec: gi\u1eef Inox 304 s\u00e1ng b\u00f3ng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m<\/a><\/li>\n<li><a href=\"#toc-6-kiem-tra-thuc-dia-phan-biet-304-thatgia\">Ki\u1ec3m tra th\u1ef1c \u0111\u1ecba: ph\u00e2n bi\u1ec7t 304 th\u1eadt\/gi\u1ea3<\/a><\/li>\n<li><a href=\"#toc-7-toi-uu-chi-phi-tong-chi-phi-so-huu-tco\">T\u1ed1i \u01b0u chi ph\u00ed: t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO)<\/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>Ph\u00f2ng t\u1eafm l\u00e0 m\u00f4i tr\u01b0\u1eddng \u1ea9m, nhi\u1ec1u mu\u1ed1i chloride (t\u1eeb m\u1ed3 h\u00f4i, n\u01b0\u1edbc m\u00e1y, ch\u1ea5t t\u1ea9y r\u1eeda), d\u1ec5 g\u00e2y \u0103n m\u00f2n c\u1ee5c b\u1ed9. B\u00e0i vi\u1ebft n\u00e0y h\u01b0\u1edbng d\u1eabn ch\u1ecdn mua ph\u1ee5 ki\u1ec7n Inox 304 t\u1ed1i \u01b0u ch\u1ed1ng g\u1ec9 s\u00e9t cho ph\u00f2ng t\u1eafm: hi\u1ec3u b\u1ea3n ch\u1ea5t \u0103n m\u00f2n, so s\u00e1nh m\u00e1c th\u00e9p, ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt, th\u00f4ng s\u1ed1 g\u1ee3i \u00fd cho t\u1eebng h\u1ea1ng m\u1ee5c, l\u1eafp \u0111\u1eb7t ch\u1ed1ng \u0103n m\u00f2n v\u00e0 b\u1ea3o tr\u00ec th\u1ef1c t\u1ebf. Ch\u1ee7 \u0111\u1ec1 n\u00e0y thu\u1ed9c b\u1ee9c tranh l\u1edbn v\u1ec1 ph\u1ee5 ki\u1ec7n Inox cho x\u00e2y d\u1ef1ng \u2013 n\u1ed9i th\u1ea5t, nh\u01b0ng t\u1eadp trung gi\u1ea3i quy\u1ebft d\u1ee9t \u0111i\u1ec3m c\u00e2u h\u1ecfi: ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng ph\u1ee5 ki\u1ec7n Inox 304 th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ec1n \u0111\u1eb9p trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/p>\n<h2 id=\"toc-0-vi-sao-inox-304-la-lua-chon-mac-dinh-cho-phong-tam\">V\u00ec sao Inox 304 l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh cho ph\u00f2ng t\u1eafm?<\/h2>\n<p>&#8211; L\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3 t\u1ef1 ph\u1ee5c h\u1ed3i: 304 (18%Cr\u20138%Ni) t\u1ea1o m\u00e0ng Cr2O3 m\u1ecfng, d\u00e0y v\u00e0i nm, t\u1ef1 t\u00e1i sinh khi c\u00f3 oxy, gi\u00fap ch\u1ed1ng \u0103n m\u00f2n \u0111\u1ed3ng \u0111\u1ec1u t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m.<br \/>\n&#8211; Ch\u1ecbu chloride \u1edf m\u1ee9c v\u1eeba ph\u1ea3i: Trong n\u01b0\u1edbc m\u00e1y trong nh\u00e0, 304 ch\u1ed1ng \u0103n m\u00f2n \u0111\u1ed1m (pitting) \u0111\u1ee7 t\u1ed1t. Tuy nhi\u00ean, khi chloride cao (ven bi\u1ec3n, h\u1ed3 b\u01a1i clo, t\u1ea9y r\u1eeda b\u1eb1ng Javen\/axit HCl), 304 c\u00f3 th\u1ec3 b\u1ecb \u201c\u1ed1 tr\u00e0\u201d ho\u1eb7c r\u1ed7; khi \u0111\u00f3 c\u00e2n nh\u1eafc 316.<br \/>\n&#8211; Kinh t\u1ebf \u2013 ph\u1ed5 bi\u1ebfn: 304 d\u1ec5 t\u00ecm \u1edf Vi\u1ec7t Nam, chi ph\u00ed \u2013 hi\u1ec7u n\u0103ng t\u1ed1t, ph\u1ee5 ki\u1ec7n \u0111a d\u1ea1ng k\u00edch c\u1ee1, ph\u1ee5 ki\u1ec7n thay th\u1ebf s\u1eb5n.<\/p>\n<p>Khi n\u00e0o n\u00e2ng c\u1ea5p l\u00ean 316?<br \/>\n&#8211; Khu v\u1ef1c ven bi\u1ec3n, ph\u00f2ng t\u1eafm m\u1edf, s\u01b0\u01a1ng mu\u1ed1i; kh\u00f4ng gian spa\/h\u1ed3 b\u01a1i d\u00f9ng clo; ho\u1eb7c th\u00f3i quen d\u00f9ng Javen\/axit HCl \u0111\u1ec3 t\u1ea9y g\u1ea1ch. 316 c\u00f3 Mo ~2% t\u0103ng ch\u1ec9 s\u1ed1 ch\u1ed1ng r\u1ed7 (PREN) kho\u1ea3ng 24 so v\u1edbi ~18 c\u1ee7a 304, ch\u1ed1ng chloride t\u1ed1t h\u01a1n.<\/p>\n<p>Ngu\u1ed3n k\u1ef9 thu\u1eadt tham kh\u1ea3o: Nickel Institute, Outokumpu, IMOA [1][2][3].<\/p>\n<h2 id=\"toc-1-304-vs-201-vs-316-chon-mac-nao-cho-phong-tam\">304 vs 201 vs 316: ch\u1ecdn m\u00e1c n\u00e0o cho ph\u00f2ng t\u1eafm?<\/h2>\n<p>&#8211; 201 (Cr-Mn-Ni th\u1ea5p): Gi\u00e1 r\u1ebb h\u01a1n nh\u01b0ng k\u00e9m b\u1ec1n \u0103n m\u00f2n trong \u1ea9m v\u00e0 chloride. D\u1ec5 \u1ed1 n\u00e2u, r\u1ed7 nhanh n\u1ebfu v\u1ec7 sinh kh\u00f4ng \u0111\u00fang. Kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho ph\u00f2ng t\u1eafm.<br \/>\n&#8211; 304 (18\/8): C\u00e2n b\u1eb1ng chi ph\u00ed \u2013 \u0111\u1ed9 b\u1ec1n. Ph\u00f9 h\u1ee3p \u0111a s\u1ed1 ph\u00f2ng t\u1eafm gia \u0111\u00ecnh, kh\u00e1ch s\u1ea1n n\u1ed9i \u0111\u00f4. L\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh.<br \/>\n&#8211; 316 (18\/10\/2Mo): Kh\u00e1ng chloride v\u01b0\u1ee3t tr\u1ed9i. D\u00f9ng cho ven bi\u1ec3n (\u0110\u00e0 N\u1eb5ng, H\u1ea3i Ph\u00f2ng, V\u0169ng T\u00e0u), c\u00f4ng tr\u00ecnh cao c\u1ea5p, kh\u00e1ch s\u1ea1n 5*, khu h\u1ed3 b\u01a1i\/spa.<\/p>\n<p>L\u01b0u \u00fd: PVD m\u00e0u (v\u00e0ng\/\u0111en) tr\u00ean n\u1ec1n 304 t\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 gi\u1ea3m b\u00e1m b\u1ea9n, nh\u01b0ng kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c 316 trong m\u00f4i tr\u01b0\u1eddng chloride kh\u1eafc nghi\u1ec7t; l\u1edbp PVD m\u1ecfng c\u00f3 th\u1ec3 b\u1ecb khuy\u1ebft t\u1eadt c\u1ee5c b\u1ed9.<\/p>\n<h2 id=\"toc-2-tieu-chi-ky-thuat-khi-chon-phu-kien-inox-304\">Ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt khi ch\u1ecdn ph\u1ee5 ki\u1ec7n Inox 304<\/h2>\n<h3>M\u00e1c th\u00e9p, ti\u00eau chu\u1ea9n v\u00e0 ch\u1ee9ng t\u1eeb<\/h3>\n<p>&#8211; K\u00fd hi\u1ec7u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng: AISI 304 \/ SUS304 \/ X5CrNi18-10 (EN 1.4301).<br \/>\n&#8211; Ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u th\u01b0\u1eddng g\u1eb7p:<br \/>\n  &#8211; ASTM A240: t\u1ea5m \u2013 b\u0103ng 304 d\u00f9ng gia c\u00f4ng ph\u1ee5 ki\u1ec7n.<br \/>\n  &#8211; ASTM A276: thanh, tr\u00f2n \u0111\u1eb7c 304.<br \/>\n  &#8211; ASTM A554: \u1ed1ng h\u00e0n trang tr\u00ed c\u01a1 kh\u00ed 304 (thanh treo, tay n\u1eafm).<br \/>\n  &#8211; EN 10088-2: b\u1ec1 m\u1eb7t, k\u00fd hi\u1ec7u theo chu\u1ea9n ch\u00e2u \u00c2u.<br \/>\n&#8211; Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p: MTR\/COC ghi th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc (Cr 18\u201320%, Ni 8\u201310.5%), c\u01a1 l\u00fd; ch\u1ee9ng ch\u1ec9 x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng theo ASTM A967 (n\u1ebfu c\u00f3); ki\u1ec3m tra mu\u1ed1i phun ISO 9227 (NSS) v\u1edbi th\u1eddi gian ph\u00f9 h\u1ee3p h\u1ea1ng m\u1ee5c.<\/p>\n<h3>Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/h3>\n<p>&#8211; 2B\/BA: M\u1ecbn, d\u1ec5 v\u1ec7 sinh, gi\u00e1 h\u1ee3p l\u00fd; BA s\u00e1ng b\u00f3ng h\u01a1n 2B.<br \/>\n&#8211; Hairline\/#4: V\u00e2n x\u01b0\u1edbc m\u1ecbn, gi\u1ea5u v\u1ebft x\u01b0\u1edbc s\u1eed d\u1ee5ng, d\u1ec5 b\u1ea3o tr\u00ec.<br \/>\n&#8211; 8K (g\u01b0\u01a1ng): R\u1ea5t b\u00f3ng, th\u1ea9m m\u1ef9 cao, \u00edt b\u00e1m b\u1ea9n nh\u01b0ng d\u1ec5 l\u1ed9 v\u1ebft tr\u1ea7y, c\u1ea7n v\u1ec7 sinh \u0111\u00fang c\u00e1ch.<br \/>\n&#8211; PVD m\u00e0u: T\u0103ng trang tr\u00ed, ch\u1ed1ng m\u00e0i m\u00f2n. Ch\u1ecdn l\u1edbp ph\u1ee7 tr\u00ean n\u1ec1n 304 \u0111\u00e3 \u0111\u00e1nh b\u00f3ng t\u1ed1t v\u00e0 \u0111\u01b0\u1ee3c th\u1ee5 \u0111\u1ed9ng\/\u0111i\u1ec7n h\u00f3a tr\u01b0\u1edbc.<\/p>\n<p>B\u1ec1 m\u1eb7t c\u00e0ng m\u1ecbn (\u0111\u1ed9 nh\u00e1m Ra th\u1ea5p) c\u00e0ng gi\u1ea3m nguy c\u01a1 \u201c\u1ed1 tr\u00e0\u201d do mu\u1ed1i \u0111\u1ecdng [1][4].<\/p>\n<h3>\u0110\u1ed9 d\u00e0y, c\u1ea5u ki\u1ec7n \u1ed1ng \u2013 t\u1ea5m \u2013 thanh<\/h3>\n<p>G\u1ee3i \u00fd k\u1ef9 thu\u1eadt cho ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm 304:<br \/>\n&#8211; Thanh treo kh\u0103n\/gi\u00e1 treo: \u1ed0ng 304 phi 19\u201325 mm, d\u00e0y 0.8\u20131.0 mm (ASTM A554), g\u1ed1i \u0111\u1ee1 \u0111\u1ebf t\u1ea5m d\u00e0y \u22651.5 mm.<br \/>\n&#8211; Tay n\u1eafm c\u1eeda k\u00ednh: \u1ed0ng phi 25\u201332 mm, d\u00e0y 1.2 mm; ty xuy\u00ean v\u00e0 \u00ea-cu 304.<br \/>\n&#8211; K\u1ec7 g\u00f3c\/k\u1ec7 th\u1eb3ng: T\u1ea5m 304 d\u00e0y 1.0\u20131.2 mm; c\u00f3 r\u00e3nh tho\u00e1t n\u01b0\u1edbc.<br \/>\n&#8211; M\u00f3c treo: \u0110\u1ebf d\u00e0y \u22651.5 mm; ch\u1ed1t \u0111\u1eb7c ho\u1eb7c \u1ed1ng d\u00e0y 1.0 mm.<br \/>\n&#8211; Gi\u00e1 \u0111\u1ee1 gi\u1ea5y: T\u1ea5m 304 d\u00e0y \u22651.0 mm; tr\u1ee5c quay ch\u1ed1ng r\u00edt.<br \/>\n&#8211; Thanh ray tr\u01b0\u1ee3t sen: \u1ed0ng 304 d\u00e0y 0.8\u20131.0 mm; k\u1eb9p tr\u01b0\u1ee3t b\u1ecdc nh\u1ef1a.<br \/>\n&#8211; L\u01b0\u1edbi tho\u00e1t s\u00e0n: N\u1eafp\/grating 304 d\u00e0y 1.5\u20132.0 mm; c\u1ee5m ch\u1ed1ng m\u00f9i, ch\u1ed1ng c\u00f4n tr\u00f9ng; v\u1edbi khu \u1ea9m m\u1eb7n n\u00ean ch\u1ecdn 316.<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n cabin t\u1eafm (k\u1eb9p k\u00ednh\/b\u1ea3n l\u1ec1): V\u1ecf 304 d\u00e0y 2.5\u20133.0 mm; l\u00f5i \u2013 tr\u1ee5c ch\u1ecbu l\u1ef1c ch\u1ecdn 304\/316; gio\u0103ng EPDM.<br \/>\n&#8211; Van g\u00f3c, v\u00f2i Inox 304: Gia c\u00f4ng CNC t\u1eeb 304 nguy\u00ean kh\u1ed1i; gio\u0103ng EPDM; ho\u00e0n thi\u1ec7n BA\/brush; ch\u1ee9ng ch\u1ec9 kh\u00f4ng ch\u00ec n\u1ebfu c\u1ea7n an to\u00e0n n\u01b0\u1edbc.<\/p>\n<p>Ki\u1ec3m tra t\u1ea3i tr\u1ecdng nh\u00e0 s\u1ea3n xu\u1ea5t (v\u00ed d\u1ee5: thanh treo \u226515\u201320 kg) v\u00e0 ph\u1ee5 ki\u1ec7n b\u1eaft t\u01b0\u1eddng \u0111i k\u00e8m.<\/p>\n<h3>M\u1ed1i h\u00e0n, x\u1eed l\u00fd sau h\u00e0n<\/h3>\n<p>&#8211; \u01afu ti\u00ean m\u1ed1i h\u00e0n TIG\/MIG k\u00edn, \u0111\u1ec1u; m\u1eb7t trong m\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c x\u1eed l\u00fd g\u1ecdt x\u1ec9.<br \/>\n&#8211; Y\u00eau c\u1ea7u t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng (pickling &#038; passivation) v\u00e0 \u0111\u00e1nh b\u00f3ng l\u1ea1i v\u00f9ng h\u00e0n; h\u1ea1n ch\u1ebf v\u00f9ng ch\u00e1y xanh t\u00edm ch\u01b0a x\u1eed l\u00fd v\u00ec d\u1ec5 \u0103n m\u00f2n k\u1ebd.<br \/>\n&#8211; \u0110\u1eb7t ti\u00eau ch\u00ed ki\u1ec3m tra m\u1ed1i h\u00e0n theo m\u1eb7t b\u1eb1ng c\u00f4ng tr\u00ecnh: kh\u00f4ng r\u00f2 n\u01b0\u1edbc, kh\u00f4ng c\u1ea1nh s\u1eafc, khe k\u1ebd t\u1ed1i thi\u1ec3u.<\/p>\n<h3>V\u1eadt t\u01b0 l\u1eafp \u0111\u1eb7t \u0111i k\u00e8m<\/h3>\n<p>&#8211; V\u00edt\/bulong: C\u00f9ng m\u00e1c 304 ho\u1eb7c t\u1ed1t h\u01a1n (316). Tr\u00e1nh d\u00f9ng v\u00edt th\u00e9p m\u1ea1 k\u1ebdm v\u1edbi ph\u1ee5 ki\u1ec7n 304 \u0111\u1ec3 ng\u1eeba \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; T\u1eafc k\u00ea: Nh\u1ef1a\/nylon ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c n\u1edf Inox cho t\u01b0\u1eddng g\u1ea1ch\/b\u00ea t\u00f4ng.<br \/>\n&#8211; Keo \u2013 gio\u0103ng: Silicone trung t\u00ednh, kh\u00f4ng ch\u1ee9a chloride; gio\u0103ng EPDM\/NBR. Tr\u00e1nh keo axit acetic \u1edf b\u1ec1 m\u1eb7t g\u01b0\u01a1ng\/kim lo\u1ea1i.<\/p>\n<h2 id=\"toc-3-bo-phu-kien-phong-tam-304-de-xuat-va-thong-so-goi-\">B\u1ed9 ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm 304 \u0111\u1ec1 xu\u1ea5t v\u00e0 th\u00f4ng s\u1ed1 g\u1ee3i \u00fd<\/h2>\n<p>&#8211; B\u1ed9 treo kh\u0103n \u0111\u00f4i: \u1ed0ng 304 phi 25, d\u00e0y 1.0 mm; \u0111\u1ebf 1.5 mm; ho\u00e0n thi\u1ec7n hairline; t\u1ea3i \u226520 kg; v\u00edt 304 #8 x 38 mm.<br \/>\n&#8211; K\u1ec7 k\u00ednh 304 + tay \u0111\u1ee1: Tay \u0111\u1ee1 304 \u0111\u1ebf 2.0 mm; \u1ed1c n\u1edf 304; gio\u0103ng cao su c\u00e1ch ly k\u00ednh.<br \/>\n&#8211; M\u00f3c \u00e1o \u0111a n\u0103ng: Th\u00e2n \u0111\u00fac\/\u00e9p 304; \u0111\u1ebf 1.5\u20132.0 mm; v\u00edt 304; n\u1eafp che v\u00edt kh\u00edt.<br \/>\n&#8211; L\u01b0\u1edbi tho\u00e1t s\u00e0n ch\u1ed1ng m\u00f9i: Grating 304 d\u00e0y 2.0 mm; b\u1eaby n\u01b0\u1edbc\/one-way; khuy\u1ebfn ngh\u1ecb 316 cho t\u1ea7ng tr\u1ec7t \u1ea9m\/ven bi\u1ec3n; l\u01b0u l\u01b0\u1ee3ng \u226536\u201348 l\/ph\u00fat.<br \/>\n&#8211; B\u1ea3n l\u1ec1\/k\u1eb9p k\u00ednh ph\u00f2ng t\u1eafm: V\u1ecf 304 d\u00e0y 3.0 mm; tr\u1ee5c \u2013 l\u00f2 xo ch\u1ed1ng g\u1ec9; b\u1ec1 m\u1eb7t BA\/PVD; gio\u0103ng EPDM; m\u00f4-men \u0111\u00f3ng m\u1edf theo spec.<br \/>\n&#8211; Tay n\u1eafm c\u1eeda k\u00ednh: \u1ed0ng 304 phi 32 x 1.2 mm; bu-l\u00f4ng xuy\u00ean 304; \u0111\u1ec7m nylon c\u00e1ch ly k\u00ednh.<br \/>\n&#8211; Gi\u00e1 \u0111\u1ef1ng \u0111\u1ed3 t\u1eafm: T\u1ea5m 304 d\u00e0y 1.2 mm; tho\u00e1t n\u01b0\u1edbc; g\u00f3c bo R\u22651.5 mm; ch\u1ecbu t\u1ea3i \u226510 kg \u0111\u1ec1u t\u1ea3i.<\/p>\n<p>L\u01b0u \u00fd thi\u1ebft k\u1ebf: tr\u00e1nh h\u1ed1c \u0111\u1ecdng n\u01b0\u1edbc; c\u00f3 l\u1ed7 tho\u00e1t; bo m\u00e9p; \u01b0u ti\u00ean b\u1ec1 m\u1eb7t m\u1ecbn. C\u00e1c chi ti\u1ebft ren n\u00ean \u0111\u01b0\u1ee3c b\u00f4i m\u1ecfng h\u1ee3p ch\u1ea5t ch\u1ed1ng k\u1eb9t t\u01b0\u01a1ng th\u00edch Inox (kh\u00f4ng ch\u1ee9a chloride).<\/p>\n<h2 id=\"toc-4-thiet-ke-va-lap-dat-de-chong-an-mon-ngay-tu-dau\">Thi\u1ebft k\u1ebf v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n ngay t\u1eeb \u0111\u1ea7u<\/h2>\n<p>&#8211; Tr\u00e1nh k\u1ebd h\u1edf \u2013 \u0111\u1ecdng n\u01b0\u1edbc: B\u1ed1 tr\u00ed l\u1ed7 tho\u00e1t tr\u00ean k\u1ec7; l\u1eafp gi\u00e1 \u2013 thanh treo ngang ph\u1eb3ng \u0111\u1ec3 kh\u00f4ng \u0111\u1ecdng n\u01b0\u1edbc; s\u01a1n ch\u1ed1ng th\u1ea5m t\u01b0\u1eddng tr\u01b0\u1edbc khi b\u1eaft v\u00edt.<br \/>\n&#8211; C\u00e1ch ly kim lo\u1ea1i kh\u00e1c: \u0110\u1eb7t long \u0111en nylon\/EPDM khi ti\u1ebfp x\u00fac k\u00ednh\/nh\u00f4m\/\u0111\u1ed3ng; tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi th\u00e9p carbon, tr\u00e1nh m\u1ea1t s\u1eaft b\u00e1m b\u1ec1 m\u1eb7t khi thi c\u00f4ng (che ch\u1eafn khi c\u1eaft\/\u0111\u00e1 m\u00e0i).<br \/>\n&#8211; L\u00e0m s\u1ea1ch sau l\u1eafp: R\u1eeda s\u1ea1ch v\u1eefa, xi m\u0103ng, axit t\u1ea9y g\u1ea1ch (HCl) kh\u1ecfi b\u1ec1 m\u1eb7t Inox ngay l\u1eadp t\u1ee9c; lau kh\u00f4; th\u00e1o m\u00e0ng b\u1ea3o v\u1ec7 sau khi ho\u00e0n thi\u1ec7n \u0111\u1ec3 tr\u00e1nh \u1ed1 do keo d\u00ednh.<\/p>\n<h2 id=\"toc-5-bao-tri-giu-inox-304-sang-bong-trong-moi-truong-am\">B\u1ea3o tr\u00ec: gi\u1eef Inox 304 s\u00e1ng b\u00f3ng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m<\/h2>\n<p>&#8211; Th\u01b0\u1eddng k\u1ef3: 1\u20132 tu\u1ea7n\/l\u1ea7n lau b\u1eb1ng x\u00e0 ph\u00f2ng trung t\u00ednh\/pH trung t\u00ednh v\u00e0 n\u01b0\u1edbc \u1ea5m; tr\u00e1ng s\u1ea1ch, lau kh\u00f4.<br \/>\n&#8211; Tr\u00e1nh: Javen (NaOCl), thu\u1ed1c t\u1ea9y ch\u1ee9a chloride, axit muriatic (HCl) t\u1ea9y g\u1ea1ch, b\u1ed9t m\u00e0i m\u1ea1nh, mi\u1ebfng c\u1ecd th\u00e9p carbon. N\u1ebfu bu\u1ed9c ph\u1ea3i d\u00f9ng h\u00f3a ch\u1ea5t m\u1ea1nh g\u1ea7n \u0111\u00f3, che ch\u1eafn v\u00e0 tr\u00e1ng n\u01b0\u1edbc k\u1ef9 ngay.<br \/>\n&#8211; X\u1eed l\u00fd \u201c\u1ed1 tr\u00e0\u201d nh\u1eb9: D\u00f9ng dung d\u1ecbch t\u1ea9y chuy\u00ean d\u1ee5ng Inox ho\u1eb7c h\u1ed7n h\u1ee3p gi\u1ea5m lo\u00e3ng, lau theo th\u1edb b\u1ec1 m\u1eb7t; tr\u00e1ng n\u01b0\u1edbc v\u00e0 lau kh\u00f4. C\u00f3 th\u1ec3 d\u00f9ng pad s\u1ee3i t\u1ed5ng h\u1ee3p m\u1ecbn (kh\u00f4ng ph\u1ea3i c\u01b0\u1edbc th\u00e9p).<br \/>\n&#8211; Ph\u1ee5c h\u1ed3i b\u1ec1 m\u1eb7t: V\u1edbi \u1ed1 c\u1ee9ng \u0111\u1ea7u\/m\u1ed1i h\u00e0n b\u1ecb x\u1ec9n, d\u00f9ng dung d\u1ecbch th\u1ee5 \u0111\u1ed9ng g\u1ed1c citric theo h\u01b0\u1edbng d\u1eabn nh\u00e0 s\u1ea3n xu\u1ea5t; tr\u01b0\u1eddng h\u1ee3p r\u1ed7 s\u00e2u n\u00ean thay m\u1edbi chi ti\u1ebft.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn v\u1ec7 sinh \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1edfi c\u00e1c hi\u1ec7p h\u1ed9i Inox qu\u1ed1c t\u1ebf [1][4].<\/p>\n<h2 id=\"toc-6-kiem-tra-thuc-dia-phan-biet-304-thatgia\">Ki\u1ec3m tra th\u1ef1c \u0111\u1ecba: ph\u00e2n bi\u1ec7t 304 th\u1eadt\/gi\u1ea3<\/h2>\n<p>&#8211; Gi\u1ea5y t\u1edd: Y\u00eau c\u1ea7u MTR\/COC ghi r\u00f5 m\u00e1c 304, th\u00e0nh ph\u1ea7n Cr\u2013Ni; \u0111\u1ed1i chi\u1ebfu l\u00f4 h\u00e0ng.<br \/>\n&#8211; Nam ch\u00e2m: 304 nguy\u00ean tr\u1ea1ng h\u1ea7u nh\u01b0 kh\u00f4ng h\u00fat; sau gia c\u00f4ng c\u00e1n \u2013 u\u1ed1n c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb (h\u00fat r\u1ea5t nh\u1eb9). 201 th\u01b0\u1eddng h\u00fat m\u1ea1nh h\u01a1n. L\u01b0u \u00fd: th\u1eed nam ch\u00e2m ch\u1ec9 l\u00e0 g\u1ee3i \u00fd, kh\u00f4ng mang t\u00ednh k\u1ebft lu\u1eadn.<br \/>\n&#8211; Tr\u1ecdng l\u01b0\u1ee3ng \u2013 \u0111\u1ed9 d\u00e0y: 304 c\u00f3 t\u1ef7 tr\u1ecdng ~7.93 g\/cm\u00b3; ph\u1ee5 ki\u1ec7n 304 th\u1eadt c\u00f9ng k\u00edch th\u01b0\u1edbc th\u01b0\u1eddng n\u1eb7ng h\u01a1n 201 (do \u0111\u1ee7 \u0111\u1ed9 d\u00e0y, Ni cao).<br \/>\n&#8211; Quan s\u00e1t b\u1ec1 m\u1eb7t\/m\u1ed1i h\u00e0n: 304 ho\u00e0n thi\u1ec7n t\u1ed1t, m\u1ed1i h\u00e0n s\u1ea1ch, \u00edt l\u1ed7 r\u1ed7; tr\u00e1nh s\u1ea3n ph\u1ea9m c\u00f2n v\u1ec7t ch\u00e1y h\u00e0n ch\u01b0a x\u1eed l\u00fd.<br \/>\n&#8211; Ki\u1ec3m nghi\u1ec7m n\u00e2ng cao: Ph\u00e2n t\u00edch quang ph\u1ed5 XRF x\u00e1c \u0111\u1ecbnh Cr\u2013Ni; nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 th\u1eed mu\u1ed1i phun ISO 9227. Tr\u00e1nh c\u00e1c \u201cm\u1eb9o\u201d d\u00f9ng axit m\u1ea1nh t\u1ea1i ch\u1ed7 g\u00e2y h\u01b0 h\u1ea1i v\u00e0 kh\u00f4ng an to\u00e0n.<\/p>\n<h2 id=\"toc-7-toi-uu-chi-phi-tong-chi-phi-so-huu-tco\">T\u1ed1i \u01b0u chi ph\u00ed: t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO)<\/h2>\n<p>&#8211; 304 c\u00f3 gi\u00e1 cao h\u01a1n 201 nh\u01b0ng tu\u1ed5i th\u1ecd \u2013 \u00edt b\u1ea3o tr\u00ec v\u01b0\u1ee3t tr\u1ed9i; gi\u1ea3m chi ph\u00ed thay th\u1ebf, \u0111\u1eb7c bi\u1ec7t trong kh\u00e1ch s\u1ea1n \u2013 c\u0103n h\u1ed9 cho thu\u00ea.<br \/>\n&#8211; D\u00f9ng \u0111\u00fang m\u00e1c \u0111\u00fang ch\u1ed7: 304 cho h\u1ea7u h\u1ebft v\u1ecb tr\u00ed; 316 cho khu v\u1ef1c \u1ea9m m\u1eb7n\/h\u00f3a ch\u1ea5t; kh\u00f4ng \u201cn\u00e2ng m\u00e1c\u201d tr\u00e0n lan n\u1ebfu m\u00f4i tr\u01b0\u1eddng b\u00ecnh th\u01b0\u1eddng.<br \/>\n&#8211; \u01afu ti\u00ean b\u1ec1 m\u1eb7t hairline\/BA ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 m\u1ed1i h\u00e0n \u0111\u00e3 th\u1ee5 \u0111\u1ed9ng t\u1ed1t, gi\u1ea3m chi ph\u00ed v\u1ec7 sinh d\u00e0i h\u1ea1n.<br \/>\n&#8211; Mua \u0111\u1ed3ng b\u1ed9 t\u1eeb nh\u00e0 cung c\u1ea5p uy t\u00edn \u0111\u1ec3 c\u00f3 \u0111\u1ed3ng nh\u1ea5t v\u1eadt li\u1ec7u, b\u1ea3o h\u00e0nh, ph\u1ee5 t\u00f9ng thay th\u1ebf.<\/p>\n<h2 id=\"toc-8-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; Inox 304 c\u00f3 b\u1ecb h\u00fat nam ch\u00e2m? C\u00f3 th\u1ec3 h\u01a1i h\u00fat nh\u1eb9 sau gia c\u00f4ng; \u0111\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5m t\u1eeb c\u1ee5c b\u1ed9, kh\u00f4ng ph\u1ea3i 201.<br \/>\n&#8211; 304 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng? 304 kh\u00f4ng \u201cg\u1ec9 \u0111\u1ecf\u201d nh\u01b0 th\u00e9p carbon, nh\u01b0ng c\u00f3 th\u1ec3 \u1ed1 n\u00e2u\/r\u1ed7 do chloride ho\u1eb7c do b\u1ea9n b\u1ec1 m\u1eb7t; v\u1ec7 sinh \u0111\u00fang c\u00e1ch s\u1ebd kh\u1eafc ph\u1ee5c ph\u1ea7n l\u1edbn.<br \/>\n&#8211; PVD c\u00f3 ch\u1ed1ng g\u1ec9 kh\u00f4ng? PVD c\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t, nh\u01b0ng n\u1ebfu n\u1ec1n 304 b\u1ecb chloride t\u1ea5n c\u00f4ng t\u1ea1i khuy\u1ebft t\u1eadt, v\u1eabn c\u00f3 th\u1ec3 r\u1ed7; kh\u00f4ng thay th\u1ebf 316 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<h2 id=\"toc-9-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; Nickel Institute \u2013 Guidelines for cleaning and maintenance of stainless steel; Stainless steels in architecture, building and construction. https:\/\/nickelinstitute.org [1]<br \/>\n&#8211; Outokumpu \u2013 Stainless Steel Handbook; Grade datasheets 304\/316, corrosion and surface finishes. https:\/\/www.outokumpu.com [2]<br \/>\n&#8211; IMOA (International Molybdenum Association) \u2013 Pitting Resistance Equivalent Number (PREN) and chloride corrosion guidance. https:\/\/www.imoa.info [3]<br \/>\n&#8211; ASSDA (Australian Stainless Steel Development Association) \u2013 Tea staining, care and maintenance of stainless steel. https:\/\/www.assda.asn.au [4]<br \/>\n&#8211; ASTM A240, A276, A554; ASTM A967 (passivation); ISO 9227 (neutral salt spray). https:\/\/www.astm.org; https:\/\/www.iso.org<\/p>\n<h2 id=\"toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110\u1ec3 ch\u1ed1ng g\u1ec9 s\u00e9t trong ph\u00f2ng t\u1eafm \u1ea9m, h\u00e3y coi Inox 304 l\u00e0 chu\u1ea9n m\u1eb7c \u0111\u1ecbnh v\u00ec c\u00e2n b\u1eb1ng chi ph\u00ed \u2013 \u0111\u1ed9 b\u1ec1n, v\u00e0 n\u00e2ng c\u1ea5p 316 khi m\u00f4i tr\u01b0\u1eddng chloride cao. L\u1ef1a ch\u1ecdn \u0111\u00fang d\u1ef1a tr\u00ean: m\u00e1c \u2013 ti\u00eau chu\u1ea9n r\u00f5 r\u00e0ng (ASTM\/EN), b\u1ec1 m\u1eb7t m\u1ecbn (2B\/BA\/hairline), \u0111\u1ed9 d\u00e0y \u2013 c\u1ea5u ki\u1ec7n ph\u00f9 h\u1ee3p, m\u1ed1i h\u00e0n \u0111\u00e3 th\u1ee5 \u0111\u1ed9ng, v\u00edt \u2013 ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng b\u1ed9 304\/316. L\u1eafp \u0111\u1eb7t theo nguy\u00ean t\u1eafc tr\u00e1nh k\u1ebd h\u1edf, c\u00e1ch ly kim lo\u1ea1i kh\u00e1c v\u00e0 v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 v\u1edbi ch\u1ea5t t\u1ea9y trung t\u00ednh s\u1ebd k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd \u0111\u00e1ng k\u1ec3. L\u00e0m \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u gi\u00fap ph\u1ee5 ki\u1ec7n lu\u00f4n s\u00e1ng b\u00f3ng, an to\u00e0n v\u00e0 gi\u1ea3m t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu.<\/p>\n<p>C\u1ea7n h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt, m\u1eabu th\u1eed v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t cho ph\u1ee5 ki\u1ec7n Inox 304\/316 ph\u00f2ng t\u1eafm? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chi ti\u1ebft.<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 ph\u1ee5 ki\u1ec7n inox 304 ch\u1ed1ng g\u1ec9 cho ph\u00f2ng t\u1eafm \u1ea9m: so s\u00e1nh 304\/201\/316, ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u, b\u1ec1 m\u1eb7t, \u0111\u1ed9 d\u00e0y, l\u1eafp \u0111\u1eb7t, ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n","protected":false},"author":7,"featured_media":1064,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2128","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\/2128","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=2128"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2128\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1064"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}