{"id":1624,"date":"2026-02-02T00:35:41","date_gmt":"2026-02-01T17:35:41","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/inox-hay-dong-cho-trang-tri-ong-nuoc-so-sanh-ky-thuat-chi-tiet\/"},"modified":"2026-02-02T00:35:41","modified_gmt":"2026-02-01T17:35:41","slug":"inox-hay-dong-cho-trang-tri-ong-nuoc-so-sanh-ky-thuat-chi-tiet","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/inox-hay-dong-cho-trang-tri-ong-nuoc-so-sanh-ky-thuat-chi-tiet\/","title":{"rendered":"Inox hay \u0110\u1ed3ng cho trang tr\u00ed &#038; \u1ed1ng n\u01b0\u1edbc? So s\u00e1nh k\u1ef9 thu\u1eadt chi ti\u1ebft"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-tom-tat-nhanh-chon-vat-lieu-theo-muc-tieu\">T\u00f3m t\u1eaft nhanh: Ch\u1ecdn v\u1eadt li\u1ec7u theo m\u1ee5c ti\u00eau<\/a><\/li>\n<li><a href=\"#toc-1-tinh-chat-vat-lieu-cot-loi-anh-huong-den-quyet-din\">T\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u c\u1ed1t l\u00f5i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh<\/a><\/li>\n<li><a href=\"#toc-2-chong-an-mon-trong-thuc-te-viet-nam\">Ch\u1ed1ng \u0103n m\u00f2n trong th\u1ef1c t\u1ebf Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-3-nuoc-uong-an-toan-ve-sinh-va-vi-nuoc\">N\u01b0\u1edbc u\u1ed1ng, an to\u00e0n v\u1ec7 sinh v\u00e0 v\u1ecb n\u01b0\u1edbc<\/a><\/li>\n<li><a href=\"#toc-4-thi-cong-va-ket-noi\">Thi c\u00f4ng v\u00e0 k\u1ebft n\u1ed1i<\/a><\/li>\n<li><a href=\"#toc-5-tham-my-va-do-ben-be-mat-trong-trang-tri\">Th\u1ea9m m\u1ef9 v\u00e0 \u0111\u1ed9 b\u1ec1n b\u1ec1 m\u1eb7t trong trang tr\u00ed<\/a><\/li>\n<li><a href=\"#toc-6-chi-phi-va-tong-chi-phi-so-huu-tco\">Chi ph\u00ed v\u00e0 t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO)<\/a><\/li>\n<li><a href=\"#toc-7-kich-ban-ung-dung-khuyen-nghi\">K\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-8-bang-kiem-nhanh-khi-chon-inox-hay-dong\">B\u1ea3ng ki\u1ec3m nhanh khi ch\u1ecdn inox hay \u0111\u1ed3ng<\/a><\/li>\n<li><a href=\"#toc-9-tieu-chuan-nen-tham-chieu\">Ti\u00eau chu\u1ea9n n\u00ean tham chi\u1ebfu<\/a><\/li>\n<li><a href=\"#toc-10-thuc-hanh-tot-khi-thi-cong-va-van-hanh\">Th\u1ef1c h\u00e0nh t\u1ed1t khi thi c\u00f4ng v\u00e0 v\u1eadn h\u00e0nh<\/a><\/li>\n<li><a href=\"#toc-11-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-12-ket-luan-chon-dung-vat-lieu-theo-moi-truong-va-muc\">K\u1ebft lu\u1eadn: Ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u theo m\u00f4i tr\u01b0\u1eddng v\u00e0 m\u1ee5c ti\u00eau s\u1eed d\u1ee5ng<\/a><\/li>\n<\/ul>\n<\/div>\n<p>L\u1ef1a ch\u1ecdn gi\u1eefa inox (th\u00e9p kh\u00f4ng g\u1ec9) v\u00e0 \u0111\u1ed3ng cho h\u1ea1ng m\u1ee5c trang tr\u00ed v\u00e0 \u1ed1ng n\u01b0\u1edbc quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ed9 b\u1ec1n, hi\u1ec7u n\u0103ng v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi c\u1ee7a c\u00f4ng tr\u00ecnh. \u0110\u00e2y l\u00e0 m\u1ed9t nh\u00e1nh quan tr\u1ecdng trong so s\u00e1nh inox v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c, nh\u01b0ng nh\u1eefng ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn \u1edf hai \u1ee9ng d\u1ee5ng n\u00e0y (th\u1ea9m m\u1ef9 vs d\u1eabn n\u01b0\u1edbc) kh\u00e1c nhau r\u00f5 r\u1ec7t. B\u00e0i vi\u1ebft n\u00e0y \u0111i th\u1eb3ng v\u00e0o c\u00e2u h\u1ecfi: khi n\u00e0o n\u00ean d\u00f9ng inox, khi n\u00e0o n\u00ean d\u00f9ng \u0111\u1ed3ng \u2013 k\u00e8m d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt, ti\u00eau chu\u1ea9n v\u00e0 k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<h2 id=\"toc-0-tom-tat-nhanh-chon-vat-lieu-theo-muc-tieu\">T\u00f3m t\u1eaft nhanh: Ch\u1ecdn v\u1eadt li\u1ec7u theo m\u1ee5c ti\u00eau<\/h2>\n<p>&#8211; Trang tr\u00ed n\u1ed9i \u2013 ngo\u1ea1i th\u1ea5t:<br \/>\n  &#8211; C\u1ea7n b\u1ec1 m\u1eb7t b\u00f3ng g\u01b0\u01a1ng\/no.4\/hairline b\u1ec1n m\u00e0u, ch\u1ed1ng x\u01b0\u1edbc, \u00edt b\u1ea3o tr\u00ec: \u01b0u ti\u00ean inox 304\/316, c\u00f3 th\u1ec3 ph\u1ee7 PVD cho m\u00e0u s\u1eafc (v\u00e0ng, \u0111en, h\u1ed3ng\u2026).<br \/>\n  &#8211; C\u1ea7n hi\u1ec7u \u1ee9ng sang tr\u1ecdng, tone \u1ea5m, patina t\u1ef1 nhi\u00ean (vintage): ch\u1ecdn \u0111\u1ed3ng (ho\u1eb7c h\u1ee3p kim \u0111\u1ed3ng nh\u01b0 brass\/bronze). Ch\u1ea5p nh\u1eadn oxy h\u00f3a v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; \u1ed0ng n\u01b0\u1edbc (c\u1ea5p n\u01b0\u1edbc sinh ho\u1ea1t, n\u01b0\u1edbc n\u00f3ng, n\u01b0\u1edbc RO):<br \/>\n  &#8211; N\u01b0\u1edbc \u0111\u00f4 th\u1ecb, clorua th\u1ea5p\u2013trung b\u00ecnh, y\u00eau c\u1ea7u v\u1ec7 sinh v\u00e0 tu\u1ed5i th\u1ecd cao: inox 304\/316L theo ASTM A312\/EN 10312.<br \/>\n  &#8211; H\u1ec7 th\u1ed1ng truy\u1ec1n nhi\u1ec7t, HVAC, c\u1ea7n d\u1eabn nhi\u1ec7t cao: \u0111\u1ed3ng C12200 theo ASTM B88 (Type L\/K\/M) r\u1ea5t ph\u00f9 h\u1ee3p.<br \/>\n  &#8211; Khu v\u1ef1c ven bi\u1ec3n, n\u01b0\u1edbc c\u00f3 clorua cao ho\u1eb7c h\u1ed3 b\u01a1i: \u01b0u ti\u00ean 316L (ho\u1eb7c duplex n\u1ebfu \u0111\u1eb7c bi\u1ec7t kh\u1eafc nghi\u1ec7t). \u0110\u1ed3ng v\u1eabn d\u00f9ng t\u1ed1t nh\u01b0ng c\u1ea7n ki\u1ec3m so\u00e1t pH\/t\u1ed1c \u0111\u1ed9 d\u00f2ng \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n x\u00f3i m\u00f2n.<\/p>\n<h2 id=\"toc-1-tinh-chat-vat-lieu-cot-loi-anh-huong-den-quyet-din\">T\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u c\u1ed1t l\u00f5i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh<\/h2>\n<h3>C\u01a1 t\u00ednh v\u00e0 \u0111\u1ed9 b\u1ec1n<\/h3>\n<p>&#8211; Inox austenitic 304\/316:<br \/>\n  &#8211; Gi\u1edbi h\u1ea1n ch\u1ea3y: ~205 MPa; \u0111\u1ed9 b\u1ec1n k\u00e9o: ~515\u2013620 MPa; m\u00f4-\u0111un \u0111\u00e0n h\u1ed3i ~193 GPa.<br \/>\n  &#8211; \u0110\u1ed9 c\u1ee9ng v\u00e0 b\u1ec1n h\u01a1n \u0111\u1ed3ng; ch\u1ecbu va \u0111\u1eadp, m\u00f3p m\u00e9o t\u1ed1t cho lan can, tay v\u1ecbn, khung trang tr\u00ed.<br \/>\n&#8211; \u0110\u1ed3ng (Cu, C12200 \u2013 copper-phosphorus deoxidized):<br \/>\n  &#8211; Gi\u1edbi h\u1ea1n ch\u1ea3y (\u1ee7 m\u1ec1m): ~70\u2013100 MPa; m\u00f4-\u0111un ~110\u2013128 GPa.<br \/>\n  &#8211; M\u1ec1m, d\u1ec5 u\u1ed1n\/b\u1ebb; t\u1ea1o h\u00ecnh hoa v\u0103n tinh x\u1ea3o thu\u1eadn l\u1ee3i nh\u01b0ng d\u1ec5 tr\u1ea7y x\u01b0\u1edbc v\u00e0 m\u00f3p h\u01a1n.<\/p>\n<h3>Truy\u1ec1n nhi\u1ec7t &#038; \u0111i\u1ec7n<\/h3>\n<p>&#8211; H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t (20\u00b0C): \u0111\u1ed3ng ~400 W\/m\u00b7K; inox 304 ~16 W\/m\u00b7K.<br \/>\n  &#8211; \u1ed0ng n\u01b0\u1edbc n\u00f3ng: inox gi\u1ea3m th\u1ea5t tho\u00e1t nhi\u1ec7t h\u01a1n (ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng) nh\u01b0ng \u0111\u1ed3ng thu\u1eadn l\u1ee3i cho trao \u0111\u1ed5i nhi\u1ec7t (coil, chiller).<br \/>\n&#8211; D\u1eabn \u0111i\u1ec7n: \u0111\u1ed3ng v\u01b0\u1ee3t tr\u1ed9i \u2013 th\u00edch h\u1ee3p thanh c\u00e1i, chi ti\u1ebft trang tr\u00ed k\u1ebft h\u1ee3p \u0111\u00e8n LED c\u1ea7n t\u1ea3n nhi\u1ec7t.<\/p>\n<h3>Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang<\/h3>\n<p>&#8211; \u0110\u1ed3ng ~8,96 g\/cm\u00b3; inox ~8,0 g\/cm\u00b3. C\u00f9ng chi\u1ec1u d\u00e0y, chi ti\u1ebft \u0111\u1ed3ng n\u1eb7ng h\u01a1n ~12% \u2192 \u1ea3nh h\u01b0\u1edfng t\u1ea3i tr\u1ecdng treo tr\u1ea7n\/t\u01b0\u1eddng.<\/p>\n<h2 id=\"toc-2-chong-an-mon-trong-thuc-te-viet-nam\">Ch\u1ed1ng \u0103n m\u00f2n trong th\u1ef1c t\u1ebf Vi\u1ec7t Nam<\/h2>\n<h3>Inox<\/h3>\n<p>&#8211; 304 th\u00edch h\u1ee3p cho h\u1ea7u h\u1ebft m\u00f4i tr\u01b0\u1eddng n\u1ed9i th\u1ea5t, ngo\u1ea1i th\u1ea5t \u0111\u00f4 th\u1ecb. Tuy nhi\u00ean c\u00f3 nguy c\u01a1 r\u1ed7 (pitting) trong n\u01b0\u1edbc c\u00f3 clorua cao, khe h\u1edf, b\u1ec3 ch\u1ee9a n\u01b0\u1edbc mu\u1ed1i.<br \/>\n&#8211; 316\/316L (c\u00f3 Mo) t\u0103ng b\u1ec1n r\u1ed7 v\u00e0 k\u1ebd n\u1ee9t; \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb khi Cl\u2212 cao, g\u1ea7n bi\u1ec3n, h\u1ed3 b\u01a1i, nh\u00e0 t\u1eafm x\u00f4ng h\u01a1i.<br \/>\n&#8211; Theo IMOA, 304 th\u01b0\u1eddng ph\u00f9 h\u1ee3p v\u1edbi n\u01b0\u1edbc u\u1ed1ng c\u00f3 Cl\u2212 \u2272 ~200 mg\/L \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng; 316 c\u00f3 th\u1ec3 d\u00f9ng t\u1edbi ~1000 mg\/L t\u00f9y nhi\u1ec7t \u0111\u1ed9, kh\u00ed oxy v\u00e0 thi\u1ebft k\u1ebf gi\u1ea3m k\u1ebd h\u1edf. C\u1ea7n tr\u00e1nh n\u1ed3ng \u0111\u1ed9 chlorine t\u1ef1 do cao, nhi\u1ec7t \u0111\u1ed9 cao g\u00e2y SCC, \u0111\u1eb7c bi\u1ec7t tr\u00ean 304.<br \/>\n&#8211; B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n m\u1ecbn (No.4\/HL\/Mirror) v\u00e0 thi\u1ebft k\u1ebf ch\u1ed1ng \u0111\u1ecdng n\u01b0\u1edbc gi\u00fap gi\u1ea3m \u0103n m\u00f2n k\u1ebd h\u1edf.<\/p>\n<h3>\u0110\u1ed3ng<\/h3>\n<p>&#8211; T\u1ea1o l\u1edbp patina b\u1ea3o v\u1ec7 t\u1ef1 nhi\u00ean (Cu2O), ch\u1ecbu \u0103n m\u00f2n kh\u00ed quy\u1ec3n t\u1ed1t. Trong n\u01b0\u1edbc u\u1ed1ng, \u0111\u1ed3ng b\u1ec1n \u1edf pH 7\u20139; n\u01b0\u1edbc qu\u00e1 m\u1ec1m\/axit, amoniac, sulfide c\u00f3 th\u1ec3 g\u00e2y \u0103n m\u00f2n\/\u1ed1 xanh.<br \/>\n&#8211; Erosion\u2013corrosion: t\u1ed1c \u0111\u1ed9 d\u00f2ng qu\u00e1 cao, \u0111\u1eb7c bi\u1ec7t n\u01b0\u1edbc n\u00f3ng, c\u00f3 c\u00e1t\/h\u1ea1t, d\u1ec5 \u201cr\u00e3nh\u201d \u1edf c\u00fat\/tee. Khuy\u1ebfn ngh\u1ecb c\u1ee7a Copper Development Association (CDA):<br \/>\n  &#8211; N\u01b0\u1edbc l\u1ea1nh: \u2264 2,4 m\/s; n\u01b0\u1edbc n\u00f3ng: \u2264 1,2\u20131,5 m\/s; tu\u1ea7n ho\u00e0n n\u01b0\u1edbc n\u00f3ng n\u00ean th\u1ea5p h\u01a1n n\u1eefa.<br \/>\n&#8211; \u0110\u1ed3ng thau (brass) trong ph\u1ee5 ki\u1ec7n c\u00f3 nguy c\u01a1 kh\u1eed k\u1ebdm (dezincification) n\u1ebfu k\u1ebdm cao v\u00e0 n\u01b0\u1edbc kh\u1eafc nghi\u1ec7t \u2192 ch\u1ecdn brass ch\u1ed1ng kh\u1eed k\u1ebdm (DZR).<\/p>\n<h2 id=\"toc-3-nuoc-uong-an-toan-ve-sinh-va-vi-nuoc\">N\u01b0\u1edbc u\u1ed1ng, an to\u00e0n v\u1ec7 sinh v\u00e0 v\u1ecb n\u01b0\u1edbc<\/h2>\n<p>&#8211; Inox (304\/316L) tr\u01a1, kh\u00f4ng gi\u1ea3i ph\u00f3ng ion \u1edf \u0111i\u1ec1u ki\u1ec7n n\u01b0\u1edbc u\u1ed1ng ti\u00eau chu\u1ea9n; \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i cho h\u1ec7 RO, F&#038;B, y t\u1ebf (tham chi\u1ebfu IMOA, EN 10312).<br \/>\n&#8211; \u0110\u1ed3ng c\u00f3 t\u00ednh kh\u00e1ng khu\u1ea9n t\u1ef1 nhi\u00ean: EPA Hoa K\u1ef3 \u0111\u0103ng k\u00fd m\u1ed9t s\u1ed1 h\u1ee3p kim \u0111\u1ed3ng l\u00e0 b\u1ec1 m\u1eb7t kh\u00e1ng khu\u1ea9n ti\u1ebfp x\u00fac (gi\u1ea3m vi sinh tr\u00ean b\u1ec1 m\u1eb7t gi\u1eefa c\u00e1c l\u1ea7n v\u1ec7 sinh), h\u1eefu \u00edch \u1edf tay n\u1eafm c\u1eeda, lan can n\u01a1i c\u00f4ng c\u1ed9ng.<br \/>\n&#8211; Gi\u1edbi h\u1ea1n \u0111\u1ed3ng trong n\u01b0\u1edbc:<br \/>\n  &#8211; WHO \u0111\u1ec1 xu\u1ea5t gi\u00e1 tr\u1ecb h\u01b0\u1edbng d\u1eabn 2 mg\/L cho \u0111\u1ed3ng trong n\u01b0\u1edbc u\u1ed1ng; EPA Hoa K\u1ef3 m\u1ee9c \u201caction level\u201d 1,3 mg\/L. N\u01b0\u1edbc qu\u00e1 axit\/\u0111\u1ee9ng l\u00e2u trong \u1ed1ng \u0111\u1ed3ng m\u1edbi l\u1eafp c\u00f3 th\u1ec3 t\u0103ng Cu h\u00f2a tan \u2192 x\u1ea3 n\u01b0\u1edbc ban \u0111\u1ea7u v\u00e0 ki\u1ec3m so\u00e1t pH\/ki\u1ec1m.<br \/>\n&#8211; M\u00f9i\/v\u1ecb: n\u01b0\u1edbc c\u00f3 \u0111\u1ed3ng h\u00f2a tan cao c\u00f3 th\u1ec3 v\u1ecb kim lo\u1ea1i; inox kh\u00f4ng g\u00e2y v\u1ecb.<\/p>\n<h2 id=\"toc-4-thi-cong-va-ket-noi\">Thi c\u00f4ng v\u00e0 k\u1ebft n\u1ed1i<\/h2>\n<p>&#8211; Inox:<br \/>\n  &#8211; \u1ed0ng c\u00f4ng nghi\u1ec7p: ASTM A312 (seamless\/welded), \u1ed1ng trang tr\u00ed: ASTM A554, \u1ed1ng n\u01b0\u1edbc: EN 10312.<br \/>\n  &#8211; H\u00e0n TIG\/MIG, orbital cho \u1ed1ng v\u1ec7 sinh; h\u1ec7 press-fit 316L (gio\u0103ng EPDM\/FKM) r\u00fat ng\u1eafn thi c\u00f4ng, gi\u1ea3m r\u1ee7i ro ch\u00e1y.<br \/>\n  &#8211; B\u00e1n k\u00ednh u\u1ed1n l\u1edbn h\u01a1n \u0111\u1ed3ng; c\u1ea7n d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng.<br \/>\n&#8211; \u0110\u1ed3ng:<br \/>\n  &#8211; ASTM B88 (Type K\/L\/M); n\u1ed1i h\u00e0n m\u1ec1m (solder, SnAg) ho\u1eb7c h\u00e0n b\u1ea1c (brazing) cho n\u01b0\u1edbc n\u00f3ng\/\u00e1p cao; c\u00f3 gi\u1ea3i ph\u00e1p press copper.<br \/>\n  &#8211; D\u1ec5 u\u1ed1n b\u1eb1ng l\u00f2 xo u\u1ed1n\/mandrel; th\u1eddi gian l\u1eafp nhanh trong kh\u00f4ng gian ch\u1eadt.<br \/>\n&#8211; Li\u00ean k\u1ebft kh\u00e1c kim lo\u1ea1i: tr\u00e1nh \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. N\u1ebfu n\u1ed1i \u0111\u1ed3ng\u2013th\u00e9p m\u1ea1 k\u1ebdm, d\u00f9ng kh\u1edbp c\u00e1ch \u0111i\u1ec7n\/dielectric union; \u01b0u ti\u00ean \u0111\u1ed3ng\u2013\u0111\u1ed3ng ho\u1eb7c inox\u2013inox trong c\u00f9ng tuy\u1ebfn.<\/p>\n<h2 id=\"toc-5-tham-my-va-do-ben-be-mat-trong-trang-tri\">Th\u1ea9m m\u1ef9 v\u00e0 \u0111\u1ed9 b\u1ec1n b\u1ec1 m\u1eb7t trong trang tr\u00ed<\/h2>\n<p>&#8211; Inox:<br \/>\n  &#8211; Finishes: No.4\/HL (hairline), No.8 (g\u01b0\u01a1ng), bead-blast, etching; PVD TiN\/CrN\/TiCN t\u1ea1o m\u00e0u b\u1ec1n, ch\u1ecbu m\u00e0i m\u00f2n cao.<br \/>\n  &#8211; D\u1ec5 v\u1ec7 sinh, \u00edt \u0111\u1ed5i m\u00e0u; tr\u00e1nh ch\u1ea5t t\u1ea9y ch\u1ee9a Cl\u2212 \u0111\u1eadm \u0111\u1eb7c, d\u00f9ng dung d\u1ecbch pH trung t\u00ednh.<br \/>\n&#8211; \u0110\u1ed3ng:<br \/>\n  &#8211; V\u1ebb \u0111\u1eb9p \u1ea5m \u00e1p, sang tr\u1ecdng; patina t\u1ea1o chi\u1ec1u s\u00e2u theo th\u1eddi gian (t\u1eeb \u0111\u1ecf cam \u2192 n\u00e2u \u2192 xanh l\u1ee5c trong ngo\u1ea1i th\u1ea5t).<br \/>\n  &#8211; Mu\u1ed1n gi\u1eef m\u00e0u b\u00f3ng: ph\u1ee7 s\u01a1n trong, lacquer ho\u1eb7c wax \u0111\u1ecbnh k\u1ef3. Ch\u1ea5p nh\u1eadn d\u1ea5u v\u00e2n tay\/\u1ed1 n\u1ebfu kh\u00f4ng ph\u1ee7.<\/p>\n<h2 id=\"toc-6-chi-phi-va-tong-chi-phi-so-huu-tco\">Chi ph\u00ed v\u00e0 t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO)<\/h2>\n<p>&#8211; V\u1eadt li\u1ec7u: \u0111\u1ed3ng th\u01b0\u1eddng \u0111\u1eaft h\u01a1n inox 304 \u1edf Vi\u1ec7t Nam v\u00e0 gi\u00e1 bi\u1ebfn \u0111\u1ed9ng theo th\u1ecb tr\u01b0\u1eddng kim lo\u1ea1i; 316\/316L cao h\u01a1n 304.<br \/>\n&#8211; Thi c\u00f4ng:<br \/>\n  &#8211; \u0110\u1ed3ng: thi c\u00f4ng th\u1ee7 c\u00f4ng nhanh; nh\u01b0ng chi ph\u00ed h\u00e0n b\u1ea1c, an to\u00e0n ch\u00e1y c\u1ea7n t\u00ednh \u0111\u1ebfn. Press copper c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 nh\u01b0ng ph\u1ee5 ki\u1ec7n gi\u00e1 cao.<br \/>\n  &#8211; Inox: press-fit 316L gi\u00fap r\u00fat th\u1eddi gian m\u1ea1nh \u1edf c\u00f4ng tr\u00ecnh l\u1edbn; h\u00e0n chu\u1ea9n c\u1ea7n th\u1ee3 tay ngh\u1ec1 v\u00e0 kh\u00ed b\u1ea3o v\u1ec7.<br \/>\n&#8211; V\u1eadn h\u00e0nh \u2013 b\u1ea3o tr\u00ec:<br \/>\n  &#8211; Inox: \u00edt b\u1ea3o tr\u00ec, tu\u1ed5i th\u1ecd d\u00e0i, \u00edt th\u1ea5t tho\u00e1t nhi\u1ec7t \u1edf \u1ed1ng n\u01b0\u1edbc n\u00f3ng.<br \/>\n  &#8211; \u0110\u1ed3ng: c\u1ea7n ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 d\u00f2ng\/pH \u0111\u1ec3 tr\u00e1nh erosion\u2013corrosion; b\u1ec1 m\u1eb7t trang tr\u00ed c\u1ea7n ch\u0103m s\u00f3c ho\u1eb7c ch\u1ea5p nh\u1eadn patina.<br \/>\n&#8211; R\u1ee7i ro tr\u1ed9m c\u1eafp: \u0111\u1ed3ng c\u00f3 gi\u00e1 tr\u1ecb ph\u1ebf li\u1ec7u cao h\u01a1n \u2192 c\u00e2n nh\u1eafc an ninh kho v\u00e0 c\u00f4ng tr\u01b0\u1eddng.<\/p>\n<h2 id=\"toc-7-kich-ban-ung-dung-khuyen-nghi\">K\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng khuy\u1ebfn ngh\u1ecb<\/h2>\n<p>&#8211; C\u0103n h\u1ed9\/kh\u00e1ch s\u1ea1n n\u1ed9i \u0111\u00f4, c\u1ea5p n\u01b0\u1edbc l\u1ea1nh\u2013n\u00f3ng ti\u00eau chu\u1ea9n:<br \/>\n  &#8211; \u1ed0ng: inox 304\/316L (EN 10312\/ASTM A312) v\u1edbi press-fit; ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau DZR cho van, kh\u1edbp n\u1ebfu c\u1ea7n.<br \/>\n  &#8211; Trang tr\u00ed: inox hairline\/PVD cho tay v\u1ecbn, n\u1eb9p trang tr\u00ed; \u0111\u1ed3ng cho \u0111i\u1ec3m nh\u1ea5n (\u1ed1p tr\u1ee5, tay n\u1eafm).<br \/>\n&#8211; Bi\u1ec7t th\u1ef1 ven bi\u1ec3n\/ban c\u00f4ng, h\u1ed3 b\u01a1i:<br \/>\n  &#8211; \u1ed0ng v\u00e0 ph\u1ee5 ki\u1ec7n ti\u1ebfp x\u00fac s\u01b0\u01a1ng mu\u1ed1i\/chlorine: \u01b0u ti\u00ean 316L; tr\u00e1nh 304 cho ph\u1ea7n ngo\u00e0i tr\u1eddi s\u00e1t bi\u1ec3n.<br \/>\n  &#8211; Trang tr\u00ed ngo\u00e0i tr\u1eddi: \u0111\u1ed3ng cho patina t\u1ef1 nhi\u00ean; ho\u1eb7c inox 316 v\u1edbi finish m\u1ecbn, tr\u00e1nh khe.<br \/>\n&#8211; Nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng, ph\u00f2ng s\u1ea1ch:<br \/>\n  &#8211; \u1ed0ng: inox 316L h\u00e0n orbital, b\u1ec1 m\u1eb7t pickling\u2013passivation; h\u1ea1n ch\u1ebf \u0111\u1ed3ng do nguy c\u01a1 ion \u0111\u1ed3ng nhi\u1ec5m.<br \/>\n  &#8211; Trang tr\u00ed: inox No.4\/No.8 d\u1ec5 v\u1ec7 sinh.<br \/>\n&#8211; Trung t\u00e2m spa, ph\u00f2ng x\u00f4ng, n\u01b0\u1edbc n\u00f3ng tu\u1ea7n ho\u00e0n:<br \/>\n  &#8211; \u1ed0ng: inox 316L; ki\u1ec3m so\u00e1t chlorine t\u1ef1 do. N\u1ebfu d\u00f9ng \u0111\u1ed3ng, gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 d\u00f2ng v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng x\u00f3i m\u00f2n.<br \/>\n&#8211; H\u1ec7 trao \u0111\u1ed5i nhi\u1ec7t\/HVAC:<br \/>\n  &#8211; \u1ed0ng serpentine, coil: \u0111\u1ed3ng \u01b0u ti\u00ean nh\u1edd d\u1eabn nhi\u1ec7t cao.<br \/>\n&#8211; C\u00f4ng tr\u00ecnh di s\u1ea3n, phong c\u00e1ch c\u1ed5 \u0111i\u1ec3n:<br \/>\n  &#8211; Trang tr\u00ed: \u0111\u1ed3ng\/brass t\u1ea1o \u0111i\u1ec3m nh\u1ea5n; chu\u1ea9n b\u1ecb k\u1ebf ho\u1ea1ch b\u1ea3o d\u01b0\u1ee1ng l\u1edbp ph\u1ee7.<\/p>\n<h2 id=\"toc-8-bang-kiem-nhanh-khi-chon-inox-hay-dong\">B\u1ea3ng ki\u1ec3m nhanh khi ch\u1ecdn inox hay \u0111\u1ed3ng<\/h2>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng c\u00f3 clorua, ven bi\u1ec3n, h\u1ed3 b\u01a1i: 316\/316L.<br \/>\n&#8211; C\u1ea7n b\u1ec1 m\u1eb7t \u1ed5n \u0111\u1ecbnh, \u00edt b\u1ea3o tr\u00ec, kh\u00f4ng \u0111\u1ed5i m\u00e0u: inox.<br \/>\n&#8211; C\u1ea7n tone \u1ea5m, patina ngh\u1ec7 thu\u1eadt: \u0111\u1ed3ng (ho\u1eb7c brass\/bronze).<br \/>\n&#8211; N\u01b0\u1edbc n\u00f3ng, mu\u1ed1n gi\u1ea3m th\u1ea5t tho\u00e1t nhi\u1ec7t: inox.<br \/>\n&#8211; C\u1ea7n trao \u0111\u1ed5i nhi\u1ec7t nhanh (coil, condensor c\u1ee5c b\u1ed9): \u0111\u1ed3ng.<br \/>\n&#8211; T\u1ed1c \u0111\u1ed9 d\u00f2ng cao, \u00e1p l\u1ef1c l\u1edbn: inox ch\u1ecbu erosion t\u1ed1t h\u01a1n; n\u1ebfu d\u00f9ng \u0111\u1ed3ng, ki\u1ec3m so\u00e1t \u2264 1,2\u20131,5 m\/s cho n\u01b0\u1edbc n\u00f3ng.<br \/>\n&#8211; Y\u00eau c\u1ea7u kh\u00e1ng khu\u1ea9n b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac tay: \u0111\u1ed3ng c\u00f3 l\u1ee3i th\u1ebf (EPA \u0111\u0103ng k\u00fd).<br \/>\n&#8211; Ng\u00e2n s\u00e1ch v\u1eadt li\u1ec7u h\u1ea1n ch\u1ebf nh\u01b0ng c\u1ea7n tu\u1ed5i th\u1ecd cao: inox 304 cho n\u1ed9i th\u1ea5t\/\u1ed1ng n\u01b0\u1edbc th\u01b0\u1eddng; 316L cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<h2 id=\"toc-9-tieu-chuan-nen-tham-chieu\">Ti\u00eau chu\u1ea9n n\u00ean tham chi\u1ebfu<\/h2>\n<p>&#8211; Inox:<br \/>\n  &#8211; ASTM A312\/A312M \u2013 \u1ed0ng inox austenitic li\u1ec1n m\u1ea1ch\/h\u00e0n cho d\u1ecbch v\u1ee5 \u0103n m\u00f2n\/\u00e1p l\u1ef1c.<br \/>\n  &#8211; ASTM A554 \u2013 \u1ed0ng inox h\u00e0n cho m\u1ee5c \u0111\u00edch c\u01a1 kh\u00ed, trang tr\u00ed.<br \/>\n  &#8211; EN 10312 \u2013 \u1ed0ng inox h\u00e0n cho h\u1ec7 c\u1ea5p n\u01b0\u1edbc.<br \/>\n&#8211; \u0110\u1ed3ng:<br \/>\n  &#8211; ASTM B88 \u2013 \u1ed0ng \u0111\u1ed3ng li\u1ec1n m\u1ea1ch cho n\u01b0\u1edbc (Type K\/L\/M).<br \/>\n  &#8211; Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng thau: ch\u1ecdn lo\u1ea1i ch\u1ed1ng kh\u1eed k\u1ebdm (DZR) khi c\u1ea7n.<br \/>\n&#8211; Thi\u1ebft k\u1ebf n\u01b0\u1edbc u\u1ed1ng, n\u01b0\u1edbc n\u00f3ng: tu\u00e2n th\u1ee7 h\u01b0\u1edbng d\u1eabn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a WHO v\u00e0 quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n<h2 id=\"toc-10-thuc-hanh-tot-khi-thi-cong-va-van-hanh\">Th\u1ef1c h\u00e0nh t\u1ed1t khi thi c\u00f4ng v\u00e0 v\u1eadn h\u00e0nh<\/h2>\n<p>&#8211; L\u00e0m s\u1ea1ch, th\u1ee5 \u0111\u1ed9ng h\u00f3a (pickling &#038; passivation) m\u1ed1i h\u00e0n inox sau thi c\u00f4ng \u0111\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng.<br \/>\n&#8211; Tr\u00e1nh h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda ch\u1ee9a Cl\u2212 \u0111\u1eadm \u0111\u1eb7c tr\u00ean inox; d\u00f9ng kh\u0103n m\u1ec1m, dung d\u1ecbch pH trung t\u00ednh.<br \/>\n&#8211; V\u1edbi \u0111\u1ed3ng m\u1edbi l\u1eafp cho n\u01b0\u1edbc u\u1ed1ng: x\u1ea3 n\u01b0\u1edbc ban \u0111\u1ea7u, ki\u1ec3m so\u00e1t pH\/ki\u1ec1m; tr\u00e1nh t\u1ed1c \u0111\u1ed9 d\u00f2ng qu\u00e1 cao \u1edf c\u00fat\/tee.<br \/>\n&#8211; C\u00e1ch \u0111i\u1ec7n khi n\u1ed1i kh\u00e1c kim lo\u1ea1i; tr\u00e1nh n\u1ed1i tr\u1ef1c ti\u1ebfp \u0111\u1ed3ng\u2013th\u00e9p m\u1ea1 k\u1ebdm.<br \/>\n&#8211; B\u1ecdc b\u1ea3o \u00f4n t\u1ed1t cho c\u1ea3 inox v\u00e0 \u0111\u1ed3ng \u1edf \u0111\u01b0\u1eddng n\u01b0\u1edbc n\u00f3ng \u0111\u1ec3 gi\u1ea3m th\u1ea5t tho\u00e1t n\u0103ng l\u01b0\u1ee3ng v\u00e0 ng\u01b0ng t\u1ee5.<\/p>\n<h2 id=\"toc-11-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; International Molybdenum Association (IMOA) \u2013 Stainless steels in drinking water and desalination: https:\/\/www.imoa.info (t\u00e0i li\u1ec7u v\u1ec1 gi\u1edbi h\u1ea1n clorua, ch\u1ecdn m\u00e1c 304\/316).<br \/>\n&#8211; ASTM A312\/A312M; ASTM A554; EN 10312 \u2013 ti\u00eau chu\u1ea9n \u1ed1ng inox.<br \/>\n&#8211; ASTM B88 \u2013 Seamless Copper Water Tube; Copper Development Association (CDA) \u2013 t\u1ed1c \u0111\u1ed9 d\u00f2ng khuy\u1ebfn ngh\u1ecb v\u00e0 \u0103n m\u00f2n trong h\u1ec7 n\u01b0\u1edbc u\u1ed1ng: https:\/\/www.copper.org\/applications\/plumbing\/technical\/<br \/>\n&#8211; WHO Guidelines for Drinking-water Quality \u2013 th\u00f4ng s\u1ed1 \u0111\u1ed3ng trong n\u01b0\u1edbc u\u1ed1ng: https:\/\/www.who.int\/publications\/<br \/>\n&#8211; U.S. EPA \u2013 Antimicrobial Copper Alloys registration: https:\/\/www.epa.gov (\u0111\u0103ng k\u00fd b\u1ec1 m\u1eb7t \u0111\u1ed3ng kh\u00e1ng khu\u1ea9n).<br \/>\n&#8211; Engineering Toolbox\/MatWeb \u2013 d\u1eef li\u1ec7u c\u01a1 t\u00ednh, d\u1eabn nhi\u1ec7t c\u1ee7a inox 304\/316 v\u00e0 \u0111\u1ed3ng.<\/p>\n<h2 id=\"toc-12-ket-luan-chon-dung-vat-lieu-theo-moi-truong-va-muc\">K\u1ebft lu\u1eadn: Ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u theo m\u00f4i tr\u01b0\u1eddng v\u00e0 m\u1ee5c ti\u00eau s\u1eed d\u1ee5ng<\/h2>\n<p>&#8211; N\u1ebfu \u01b0u ti\u00ean th\u1ea9m m\u1ef9 b\u1ec1n m\u00e0u, \u00edt b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u n\u0103ng d\u00e0i h\u1ea1n cho \u1ed1ng n\u01b0\u1edbc trong \u0111\u00f4 th\u1ecb: inox 304\/316L l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n, \u0111\u1eb7c bi\u1ec7t 316L \u1edf m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n, h\u1ed3 b\u01a1i v\u00e0 n\u01b0\u1edbc n\u00f3ng tu\u1ea7n ho\u00e0n.<br \/>\n&#8211; N\u1ebfu c\u1ea7n ch\u1ea5t c\u1ea3m th\u1ea9m m\u1ef9 \u1ea5m \u00e1p, patina ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng trao \u0111\u1ed5i nhi\u1ec7t\/HVAC: \u0111\u1ed3ng v\u01b0\u1ee3t tr\u1ed9i, nh\u01b0ng h\u00e3y qu\u1ea3n tr\u1ecb pH, t\u1ed1c \u0111\u1ed9 d\u00f2ng v\u00e0 ch\u1ecdn ph\u1ee5 ki\u1ec7n DZR \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n.<br \/>\n&#8211; Trong nhi\u1ec1u d\u1ef1 \u00e1n h\u1ed7n h\u1ee3p, gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u l\u00e0 \u201c\u0111\u00fang ch\u1ed7, \u0111\u00fang v\u1eadt li\u1ec7u\u201d: inox cho h\u1ec7 \u1ed1ng ch\u00ednh v\u00e0 b\u1ec1 m\u1eb7t ch\u1ecbu m\u00e0i m\u00f2n; \u0111\u1ed3ng cho \u0111i\u1ec3m nh\u1ea5n trang tr\u00ed v\u00e0 ph\u1ea7n c\u1ea7n truy\u1ec1n nhi\u1ec7t.<\/p>\n<p>C\u1ea7n ch\u1ea5m v\u1eadt li\u1ec7u theo n\u01b0\u1edbc ngu\u1ed3n, m\u00f4i tr\u01b0\u1eddng, ng\u00e2n s\u00e1ch v\u00e0 y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh. Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n m\u00e1c v\u1eadt li\u1ec7u, ti\u00eau chu\u1ea9n v\u00e0 gi\u1ea3i ph\u00e1p thi c\u00f4ng ph\u00f9 h\u1ee3p c\u00f4ng tr\u00ecnh. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u00ean ch\u1ecdn inox hay \u0111\u1ed3ng cho trang tr\u00ed v\u00e0 \u1ed1ng n\u01b0\u1edbc? So s\u00e1nh \u0111\u1ed9 b\u1ec1n, \u0103n m\u00f2n, th\u1ea9m m\u1ef9, thi c\u00f4ng, chi ph\u00ed v\u00e0 ti\u00eau chu\u1ea9n \u0111\u1ec3 ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u cho d\u1ef1 \u00e1n.<\/p>\n","protected":false},"author":7,"featured_media":1063,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1624","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\/1624","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=1624"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1624\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1063"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}