{"id":1688,"date":"2026-02-18T00:34:40","date_gmt":"2026-02-17T17:34:40","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/chon-mua-phu-kien-inox-304-phong-tam-chong-gi-set-hieu-qua\/"},"modified":"2026-02-18T00:34:40","modified_gmt":"2026-02-17T17:34:40","slug":"chon-mua-phu-kien-inox-304-phong-tam-chong-gi-set-hieu-qua","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/chon-mua-phu-kien-inox-304-phong-tam-chong-gi-set-hieu-qua\/","title":{"rendered":"Ch\u1ecdn mua ph\u1ee5 ki\u1ec7n Inox 304 ph\u00f2ng t\u1eafm: ch\u1ed1ng g\u1ec9 s\u00e9t hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-inox-304-co-thuc-su-phu-hop-voi-phong-tam-am-uot\">Inox 304 c\u00f3 th\u1ef1c s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi ph\u00f2ng t\u1eafm \u1ea9m \u01b0\u1edbt?<\/a><\/li>\n<li><a href=\"#toc-1-tieu-chi-chon-phu-kien-inox-304-ben-gi-cho-phong-t\">Ti\u00eau ch\u00ed ch\u1ecdn ph\u1ee5 ki\u1ec7n Inox 304 b\u1ec1n g\u1ec9 cho ph\u00f2ng t\u1eafm<\/a><\/li>\n<li><a href=\"#toc-2-phan-biet-304-that-voi-201gia-tren-thi-truong\">Ph\u00e2n bi\u1ec7t 304 th\u1eadt v\u1edbi 201\/gi\u1ea3 tr\u00ean th\u1ecb tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-3-lap-dat-dung-cach-de-toi-da-chong-gi\">L\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch \u0111\u1ec3 t\u1ed1i \u0111a ch\u1ed1ng g\u1ec9<\/a><\/li>\n<li><a href=\"#toc-4-bao-duong-dinh-ky-trong-moi-truong-am\">B\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m<\/a><\/li>\n<li><a href=\"#toc-5-goi-y-lua-chon-theo-boi-canh-su-dung\">G\u1ee3i \u00fd l\u1ef1a ch\u1ecdn theo b\u1ed1i c\u1ea3nh s\u1eed d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-6-checklist-mua-nhanh-phu-kien-inox-304-chong-gi\">Checklist mua nhanh ph\u1ee5 ki\u1ec7n Inox 304 ch\u1ed1ng g\u1ec9<\/a><\/li>\n<li><a href=\"#toc-7-chi-phi-vong-doi-201-vs-304-vs-316\">Chi ph\u00ed v\u00f2ng \u0111\u1eddi: 201 vs 304 vs 316<\/a><\/li>\n<li><a href=\"#toc-8-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ph\u1ee5 ki\u1ec7n Inox 304 l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho ph\u00f2ng t\u1eafm v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p ti\u00eau ch\u00ed ch\u1ecdn mua, ki\u1ec3m ch\u1ee9ng v\u1eadt li\u1ec7u, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ec3 ph\u1ee5 ki\u1ec7n b\u1ec1n \u0111\u1eb9p l\u00e2u d\u00e0i. Ch\u1ee7 \u0111\u1ec1 n\u00e0y c\u0169ng l\u00e0 m\u1ed9t m\u1ea3nh gh\u00e9p quan tr\u1ecdng trong b\u1ee9c tranh \u201cTh\u1ebf gi\u1edbi Ph\u1ee5 ki\u1ec7n Inox\u201d cho x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t, nh\u01b0ng t\u1eadp trung ho\u00e0n to\u00e0n v\u00e0o hi\u1ec7u n\u0103ng ch\u1ed1ng g\u1ec9 s\u00e9t trong ph\u00f2ng t\u1eafm.<\/p>\n<h2 id=\"toc-0-inox-304-co-thuc-su-phu-hop-voi-phong-tam-am-uot\">Inox 304 c\u00f3 th\u1ef1c s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi ph\u00f2ng t\u1eafm \u1ea9m \u01b0\u1edbt?<\/h2>\n<h3>Th\u00e0nh ph\u1ea7n v\u00e0 c\u01a1 ch\u1ebf ch\u1ed1ng g\u1ec9<\/h3>\n<p>&#8211; Inox 304 (AISI 304\/EN 1.4301) l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 Austenitic ch\u1ee9a kho\u1ea3ng 18\u201320% Cr v\u00e0 8\u201310.5% Ni. L\u1edbp m\u00e0ng th\u1ee5 \u0111\u1ed9ng Cr2O3 t\u1ef1 t\u00e1i t\u1ea1o gi\u00fap ch\u1ed1ng \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, trung t\u00ednh.<br \/>\n&#8211; PREN (ch\u1ec9 s\u1ed1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7) c\u1ee7a 304 kho\u1ea3ng 18\u201319, ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng trong nh\u00e0, n\u01b0\u1edbc ng\u1ecdt, h\u01a1i \u1ea9m.<\/p>\n<h3>Gi\u1edbi h\u1ea1n c\u1ee7a 304 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 chloride<\/h3>\n<p>&#8211; Chloride (mu\u1ed1i bi\u1ec3n, thu\u1ed1c t\u1ea9y ch\u1ee9a Cl-, axit HCl v\u1ec7 sinh g\u1ea1ch) c\u00f3 th\u1ec3 g\u00e2y r\u1ed7 v\u00e0 \u1ed1 tr\u00e0 (tea staining) tr\u00ean 304 n\u1ebfu \u0111\u1ecdng n\u01b0\u1edbc, khe h\u1edf, ho\u1eb7c v\u1ec7 sinh sai c\u00e1ch.<br \/>\n&#8211; N\u1ebfu n\u1eb1m g\u1ea7n bi\u1ec3n (<5 km), khu h\u1ed3 b\u01a1i n\u01b0\u1edbc m\u1eb7n, hay d\u00f9ng ch\u1ea5t t\u1ea9y m\u1ea1nh ch\u1ee9a chloride, n\u00ean c\u00e2n nh\u1eafc:\n  - Chuy\u1ec3n l\u00ean 316\/316L (c\u00f3 Mo ~2\u20132.5%, PREN ~24, ch\u1ed1ng chloride t\u1ed1t h\u01a1n).\n  - Ho\u1eb7c d\u00f9ng 304 \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng g\u01b0\u01a1ng\/\u0111i\u1ec7n h\u00f3a (electropolish), thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc t\u1ed1t, b\u1ea3o d\u01b0\u1ee1ng chu\u1ea9n.\n\nK\u1ebft lu\u1eadn nhanh: V\u1edbi \u0111a s\u1ed1 ph\u00f2ng t\u1eafm trong \u0111\u1ea5t li\u1ec1n (v\u00ed d\u1ee5 H\u00e0 N\u1ed9i), Inox 304 \u0111\u1ea1t hi\u1ec7u n\u0103ng\/chi ph\u00ed t\u1ed1i \u01b0u n\u1ebfu ch\u1ecdn \u0111\u00fang s\u1ea3n ph\u1ea9m v\u00e0 ch\u0103m s\u00f3c \u0111\u00fang c\u00e1ch.\n\n\n\n<h2 id=\"toc-1-tieu-chi-chon-phu-kien-inox-304-ben-gi-cho-phong-t\">Ti\u00eau ch\u00ed ch\u1ecdn ph\u1ee5 ki\u1ec7n Inox 304 b\u1ec1n g\u1ec9 cho ph\u00f2ng t\u1eafm<\/h2>\n<h3>M\u00e1c th\u00e9p v\u00e0 ch\u1ee9ng ch\u1ec9<\/h3>\n<p>&#8211; X\u00e1c \u0111\u1ecbnh m\u00e1c: AISI 304 (EN 1.4301), v\u1edbi chi ti\u1ebft h\u00e0n nhi\u1ec1u \u01b0u ti\u00ean 304L (EN 1.4307) \u0111\u1ec3 h\u1ea1n ch\u1ebf nh\u1ea1y c\u1ea3m h\u00f3a.<br \/>\n&#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u (MTC\/COC), s\u1ed1 heat\/lot, ngu\u1ed3n g\u1ed1c. Nh\u00e0 s\u1ea3n xu\u1ea5t\/nh\u00e0 b\u00e1n uy t\u00edn cung c\u1ea5p \u0111\u01b0\u1ee3c.<br \/>\n&#8211; \u0110\u1ed5i tr\u1ea3 n\u1ebfu ph\u00e1t hi\u1ec7n sai m\u00e1c (v\u00ed d\u1ee5 giao 201 thay 304).<\/p>\n<h3>Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng<\/h3>\n<p>&#8211; T\u1ea5m\/cu\u1ed9n: ASTM A240\/A240M (ho\u1eb7c JIS, EN t\u01b0\u01a1ng \u0111\u01b0\u01a1ng).<br \/>\n&#8211; \u1ed0ng trang tr\u00ed: ASTM A554.<br \/>\n&#8211; \u1ed0ng h\u00e0n ch\u1ecbu \u00e1p: ASTM A312 (n\u1ebfu c\u00f3).<br \/>\n&#8211; Thanh\/tr\u1ee5c: ASTM A276.<br \/>\n&#8211; Bulong\/\u1ed1c v\u00edt: A2-70 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304) cho n\u1ed9i th\u1ea5t; A4-70 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 316) cho khu v\u1ef1c nhi\u1ec1u chloride.<\/p>\n<h3>\u0110\u1ed9 d\u00e0y, k\u1ebft c\u1ea5u v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c<\/h3>\n<p>&#8211; Thanh treo kh\u0103n, gi\u00e1 \u0111\u1ee1: \u1ed1ng d\u00e0y 0.8\u20131.2 mm; b\u1ea3n m\u00e3\/t\u1ea5m \u0111\u1ee1 1.0\u20132.0 mm t\u00f9y t\u1ea3i.<br \/>\n&#8211; Gi\u00e1 k\u00ednh, k\u1ec7 \u0111\u1ec3 \u0111\u1ed3: y\u00eau c\u1ea7u c\u00f4ng b\u1ed1 t\u1ea3i tr\u1ecdng thi\u1ebft k\u1ebf (v\u00ed d\u1ee5 \u226510\u201320 kg\/k\u1ec7).<br \/>\n&#8211; M\u1ed1i h\u00e0n: \u0111\u1ec1u, kh\u00f4ng ch\u00e1y c\u1ea1nh, \u0111\u01b0\u1ee3c t\u1ea9y m\u1ed1i h\u00e0n (pickling) v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1ec1 m\u1eb7t \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1edbp Cr2O3.<br \/>\n&#8211; Bo g\u00f3c, gi\u1ea3m k\u1ebd h\u1edf \u0111\u1ec3 gi\u1ea3m \u0111\u1ecdng n\u01b0\u1edbc v\u00e0 c\u1eb7n mu\u1ed1i\/x\u00e0 ph\u00f2ng.<\/p>\n<h3>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n quy\u1ebft \u0111\u1ecbnh l\u1edbn \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9<\/h3>\n<p>&#8211; B\u00f3ng g\u01b0\u01a1ng (BA\/No.8) ho\u1eb7c \u0111i\u1ec7n \u0111\u00e1nh b\u00f3ng (electropolish): b\u1ec1 m\u1eb7t m\u1ecbn, \u00edt b\u00e1m b\u1ea9n, ch\u1ed1ng r\u1ed7 t\u1ed1t nh\u1ea5t trong ph\u00f2ng t\u1eafm.<br \/>\n&#8211; No.4\/Hairline: b\u1ec1n x\u01b0\u1edbc, th\u1ea9m m\u1ef9 c\u00f4ng nghi\u1ec7p nh\u01b0ng khe r\u00e3nh vi m\u00f4 d\u1ec5 gi\u1eef mu\u1ed1i\/x\u00e0 ph\u00f2ng; c\u1ea7n v\u1ec7 sinh k\u1ef9 h\u01a1n.<br \/>\n&#8211; PVD (m\u00e0u v\u00e0ng, \u0111en, \u0111\u1ed3ng\u2026): t\u0103ng th\u1ea9m m\u1ef9\/kh\u00e1ng x\u01b0\u1edbc; n\u1ebfu l\u1edbp ph\u1ee7 s\u01b0\u1edbc th\u1ee7ng, n\u1ec1n 304 v\u1eabn ch\u1ed1ng g\u1ec9. Ch\u1ecdn PVD tr\u00ean n\u1ec1n 304 th\u1eadt, x\u1eed l\u00fd b\u1ec1 m\u1eb7t chu\u1ea9n.<br \/>\n&#8211; Khuy\u1ebfn ngh\u1ecb: khu v\u1ef1c \u1ea9m\/\u0111\u1ecdng n\u01b0\u1edbc n\u00ean \u01b0u ti\u00ean b\u1ec1 m\u1eb7t b\u00f3ng g\u01b0\u01a1ng ho\u1eb7c electropolish.<\/p>\n<h3>Ph\u1ee5 ki\u1ec7n \u0111i k\u00e8m: v\u00edt, n\u1edf, gio\u0103ng<\/h3>\n<p>&#8211; D\u00f9ng to\u00e0n b\u1ed9 \u1ed1c v\u00edt\/n\u1edf Inox 304 (A2) \u0111\u1ed3ng b\u1ed9. Tr\u00e1nh v\u00edt th\u00e9p cacbon m\u1ea1 k\u1ebdm v\u00ec d\u1ec5 g\u1ec9 lan (b\u1ea9n h\u00f3a b\u1ec1 m\u1eb7t 304).<br \/>\n&#8211; C\u00e1ch ly kim lo\u1ea1i kh\u00e1c b\u1eb1ng v\u00f2ng \u0111\u1ec7m nylon\/nh\u1ef1a, tr\u00e1nh \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; Keo tr\u00e1m: silicone trung t\u00ednh (neutral-cure). Tr\u00e1nh silicone axit (m\u00f9i d\u1ea5m) v\u00e0 v\u1eefa\/axit t\u1ea9y g\u1ea1ch ch\u1ee9a HCl.<\/p>\n<h2 id=\"toc-2-phan-biet-304-that-voi-201gia-tren-thi-truong\">Ph\u00e2n bi\u1ec7t 304 th\u1eadt v\u1edbi 201\/gi\u1ea3 tr\u00ean th\u1ecb tr\u01b0\u1eddng<\/h2>\n<h3>D\u1ea5u hi\u1ec7u nhanh (ch\u1ec9 mang t\u00ednh tham kh\u1ea3o)<\/h3>\n<p>&#8211; Gi\u00e1: 201 th\u01b0\u1eddng r\u1ebb h\u01a1n 304 kho\u1ea3ng 20\u201330%.<br \/>\n&#8211; Kh\u1ed1i l\u01b0\u1ee3ng: c\u00f9ng k\u00edch th\u01b0\u1edbc, 304 h\u01a1i n\u1eb7ng h\u01a1n 201 (do Ni cao h\u01a1n), nh\u01b0ng kh\u00e1c bi\u1ec7t kh\u00f4ng l\u1edbn v\u1edbi s\u1ea3n ph\u1ea9m m\u1ecfng.<br \/>\n&#8211; T\u1eeb t\u00ednh: 304 chu\u1ea9n g\u1ea7n nh\u01b0 kh\u00f4ng nhi\u1ec5m t\u1eeb; tuy nhi\u00ean bi\u1ebfn c\u1ee9ng\/l\u00e0m ngu\u1ed9i c\u00f3 th\u1ec3 t\u1ea1o t\u1eeb t\u00ednh nh\u1eb9. V\u00ec v\u1eady, \u201ckh\u00f4ng h\u00fat nam ch\u00e2m\u201d KH\u00d4NG ph\u1ea3i ti\u00eau ch\u00ed \u0111\u1ee7.<\/p>\n<h3>C\u00e1ch ki\u1ec3m tra \u0111\u00e1ng tin c\u1eady<\/h3>\n<p>&#8211; Y\u00eau c\u1ea7u MTC\/COC k\u00e8m s\u1ed1 heat, h\u00e3ng luy\u1ec7n th\u00e9p.<br \/>\n&#8211; Ki\u1ec3m \u0111\u1ecbnh PMI\/XRF c\u1ea7m tay t\u1ea1i kho\/x\u01b0\u1edfng (n\u1ebfu \u0111\u01a1n h\u00e0ng l\u1edbn).<br \/>\n&#8211; Th\u1eed CuSO4 (\u0111\u1ed3ng sunfat) nh\u1eadn bi\u1ebft s\u1eaft t\u1ef1 do theo ti\u00eau chu\u1ea9n ph\u00f2ng th\u00ed nghi\u1ec7m; y\u00eau c\u1ea7u ng\u01b0\u1eddi c\u00f3 chuy\u00ean m\u00f4n v\u00e0 bi\u1ec7n ph\u00e1p an to\u00e0n.<br \/>\n&#8211; Ki\u1ec3m tra th\u1ef1c t\u1ebf: \u0111\u1eb7t m\u1eabu trong m\u00f4i tr\u01b0\u1eddng mu\u1ed1i nh\u1eb9\/\u1ea9m 48\u201372 gi\u1edd \u0111\u1ec3 so s\u00e1nh 201 vs 304 (th\u00ed nghi\u1ec7m so s\u00e1nh, kh\u00f4ng thay th\u1ebf ti\u00eau chu\u1ea9n ASTM B117).<\/p>\n<h2 id=\"toc-3-lap-dat-dung-cach-de-toi-da-chong-gi\">L\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch \u0111\u1ec3 t\u1ed1i \u0111a ch\u1ed1ng g\u1ec9<\/h2>\n<h3>Thi\u1ebft k\u1ebf v\u00e0 chi ti\u1ebft thi c\u00f4ng<\/h3>\n<p>&#8211; H\u01b0\u1edbng tho\u00e1t n\u01b0\u1edbc, tr\u00e1nh \u0111\u1ecdng n\u01b0\u1edbc tr\u00ean m\u1eb7t ngang; bo m\u00e9p, \u0111\u1ee5c l\u1ed7 tho\u00e1t \u1edf c\u00e1c khay\/k\u1ec7.<br \/>\n&#8211; Gi\u1ea3m k\u1ebd h\u1edf v\u00e0 khe l\u1eafp gh\u00e9p, v\u00ec l\u00e0 n\u01a1i t\u00edch chloride\/g\u00e2y r\u1ed7 k\u1ebd.<br \/>\n&#8211; Kh\u00f4ng \u0111\u1ec3 \u1ed1c\/v\u00edt th\u00e9p th\u01b0\u1eddng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp Inox; kh\u00f4ng m\u00e0i\/thi c\u00f4ng Inox chung khu v\u1ef1c v\u1edbi th\u00e9p cacbon (b\u1ee5i s\u1eaft b\u00e1m g\u00e2y g\u1ec9 b\u1ec1 m\u1eb7t).<\/p>\n<h3>X\u1eed l\u00fd b\u1ec1 m\u1eb7t sau l\u1eafp<\/h3>\n<p>&#8211; T\u1ea9y m\u1ed1i h\u00e0n (pickling) v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM A967 (dung d\u1ecbch nitric\/citric) \u0111\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng.<br \/>\n&#8211; V\u1ec7 sinh l\u1ea7n \u0111\u1ea7u k\u1ef9, lo\u1ea1i b\u1ecf h\u1ed3 d\u1ea7u, d\u1ea5u tay, v\u1eefa\/xi m\u0103ng, ch\u1ea5t b\u00e1m.<\/p>\n<h2 id=\"toc-4-bao-duong-dinh-ky-trong-moi-truong-am\">B\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m<\/h2>\n<h3>L\u1ecbch v\u00e0 h\u00f3a ch\u1ea5t khuy\u1ebfn ngh\u1ecb<\/h3>\n<p>&#8211; R\u1eeda\/r\u1eeda tr\u00e1ng n\u01b0\u1edbc s\u1ea1ch v\u00e0 lau kh\u00f4 h\u00e0ng tu\u1ea7n; khu bi\u1ec3n ho\u1eb7c nh\u00e0 t\u1eafm c\u00f4ng c\u1ed9ng: 2\u20133 l\u1ea7n\/tu\u1ea7n.<br \/>\n&#8211; Ch\u1ec9 d\u00f9ng ch\u1ea5t t\u1ea9y trung t\u00ednh pH ~6\u20138; kh\u0103n m\u1ec1m\/sponge kh\u00f4ng m\u00e0i m\u00f2n.<br \/>\n&#8211; Tuy\u1ec7t \u0111\u1ed1i tr\u00e1nh: ch\u1ea5t t\u1ea9y ch\u1ee9a chloride (NaClO\/bleach), axit HCl\/HF, h\u00f3a ch\u1ea5t t\u1ea9y ron g\u1ea1ch m\u1ea1nh; n\u1ebfu b\u1eaft bu\u1ed9c s\u1eed d\u1ee5ng trong khu v\u1ef1c l\u00e2n c\u1eadn, ph\u1ea3i che ch\u1eafn inox v\u00e0 r\u1eeda tr\u00e1ng ngay.<\/p>\n<h3>X\u1eed l\u00fd \u1ed1 tr\u00e0\/v\u1ebft b\u1ea9n<\/h3>\n<p>&#8211; V\u1ebft \u1ed1 nh\u1eb9: dung d\u1ecbch x\u00e0 ph\u00f2ng\/trung t\u00ednh, baking soda.<br \/>\n&#8211; V\u1ebft c\u1ee9ng \u0111\u1ea7u: ch\u1ea5t t\u1ea9y g\u1ed1c oxalic\/citric chuy\u00ean d\u1ee5ng cho inox; ch\u00e0 theo th\u1edb, r\u1eeda s\u1ea1ch v\u00e0 lau kh\u00f4.<br \/>\n&#8211; Kh\u00f4ng d\u00f9ng len th\u00e9p\/gi\u1ea5y nh\u00e1m th\u00f4 g\u00e2y x\u01b0\u1edbc v\u00e0 \u0111\u1ec3 l\u1ea1i s\u1eaft t\u1ef1 do.<\/p>\n<h3>Ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng<\/h3>\n<p>&#8211; Sau v\u1ec7 sinh n\u1eb7ng\/h\u00e0n c\u1eaft, c\u00f3 th\u1ec3 th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1eb1ng dung d\u1ecbch citric\/nitric theo h\u01b0\u1edbng d\u1eabn nh\u00e0 s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t (tham chi\u1ebfu ASTM A967). Trong d\u00e2n d\u1ee5ng, ch\u1ecdn s\u1ea3n ph\u1ea9m \u201cpassivator\u201d an to\u00e0n, l\u00e0m theo ch\u1ec9 d\u1eabn.<\/p>\n<h2 id=\"toc-5-goi-y-lua-chon-theo-boi-canh-su-dung\">G\u1ee3i \u00fd l\u1ef1a ch\u1ecdn theo b\u1ed1i c\u1ea3nh s\u1eed d\u1ee5ng<\/h2>\n<h3>C\u0103n h\u1ed9 n\u1ed9i \u0111\u00f4 (v\u00ed d\u1ee5 H\u00e0 N\u1ed9i, xa bi\u1ec3n)<\/h3>\n<p>&#8211; Inox 304 v\u1edbi b\u1ec1 m\u1eb7t b\u00f3ng g\u01b0\u01a1ng ho\u1eb7c hairline ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1ed9 d\u00e0y 0.8\u20131.2 mm l\u00e0 ph\u00f9 h\u1ee3p. B\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 l\u00e0 \u0111\u1ee7.<\/p>\n<h3>G\u1ea7n bi\u1ec3n, khu h\u1ed3 b\u01a1i n\u01b0\u1edbc m\u1eb7n, resort<\/h3>\n<p>&#8211; \u01afu ti\u00ean 316\/316L ho\u1eb7c 304 electropolish ch\u1ea5t l\u01b0\u1ee3ng cao, thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc t\u1ed1t, v\u1ec7 sinh 2\u20133 l\u1ea7n\/tu\u1ea7n. \u1ed0c v\u00edt A4.<\/p>\n<h3>Nh\u00e0 t\u1eafm c\u00f4ng c\u1ed9ng, kh\u00e1ch s\u1ea1n (t\u1ea7n su\u1ea5t s\u1eed d\u1ee5ng cao)<\/h3>\n<p>&#8211; Ch\u1ecdn s\u1ea3n ph\u1ea9m c\u00f3 c\u00f4ng b\u1ed1 t\u1ea3i tr\u1ecdng, m\u1ed1i h\u00e0n x\u1eed l\u00fd chu\u1ea9n, b\u1ec1 m\u1eb7t m\u1ecbn d\u1ec5 v\u1ec7 sinh, quy tr\u00ecnh b\u1ea3o tr\u00ec chu\u1ea9n h\u00f3a.<\/p>\n<h2 id=\"toc-6-checklist-mua-nhanh-phu-kien-inox-304-chong-gi\">Checklist mua nhanh ph\u1ee5 ki\u1ec7n Inox 304 ch\u1ed1ng g\u1ec9<\/h2>\n<p>&#8211; X\u00e1c nh\u1eadn m\u00e1c 304\/304L (EN 1.4301\/1.4307) v\u00e0 y\u00eau c\u1ea7u MTC\/COC.<br \/>\n&#8211; Ki\u1ec3m tra b\u1ec1 m\u1eb7t: \u01b0u ti\u00ean b\u00f3ng g\u01b0\u01a1ng\/electropolish; n\u1ebfu hairline, ch\u1ecdn v\u00e2n m\u1ecbn, \u0111\u1ed3ng \u0111\u1ec1u.<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y \u1ed1ng \u22650.8 mm; t\u1ea5m \u0111\u1ee1 \u22651.0 mm; c\u00f3 c\u00f4ng b\u1ed1 t\u1ea3i tr\u1ecdng.<br \/>\n&#8211; M\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c t\u1ea9y v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a, kh\u00f4ng ch\u00e1y x\u00e9m.<br \/>\n&#8211; \u1ed0c v\u00edt\/n\u1edf \u0111\u1ed3ng b\u1ed9 Inox 304 (A2) ho\u1eb7c 316 (A4) n\u1ebfu g\u1ea7n bi\u1ec3n.<br \/>\n&#8211; Thi\u1ebft k\u1ebf c\u00f3 tho\u00e1t n\u01b0\u1edbc, \u00edt k\u1ebd h\u1edf; c\u00f3 ph\u1ee5 ki\u1ec7n c\u00e1ch ly phi kim \u1edf v\u1ecb tr\u00ed ti\u1ebfp x\u00fac kim lo\u1ea1i kh\u00e1c.<br \/>\n&#8211; Nh\u00e0 b\u00e1n uy t\u00edn, b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng; c\u00f3 h\u1ed7 tr\u1ee3 ki\u1ec3m tra PMI cho \u0111\u01a1n h\u00e0ng d\u1ef1 \u00e1n.<\/p>\n<h2 id=\"toc-7-chi-phi-vong-doi-201-vs-304-vs-316\">Chi ph\u00ed v\u00f2ng \u0111\u1eddi: 201 vs 304 vs 316<\/h2>\n<p>&#8211; 201: r\u1ebb h\u01a1n 304 kho\u1ea3ng 20\u201330%, nh\u01b0ng d\u1ec5 \u1ed1\/r\u1ed7 trong ph\u00f2ng t\u1eafm \u1ea9m, \u0111\u1eb7c bi\u1ec7t khi v\u1ec7 sinh kh\u00f4ng chu\u1ea9n. T\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi th\u01b0\u1eddng cao do thay th\u1ebf s\u1edbm.<br \/>\n&#8211; 304: c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa gi\u00e1 v\u00e0 \u0111\u1ed9 b\u1ec1n cho ph\u00f2ng t\u1eafm n\u1ed9i \u0111\u1ecba; l\u00e0 l\u1ef1a ch\u1ecdn khuy\u1ebfn ngh\u1ecb chung.<br \/>\n&#8211; 316: cao h\u01a1n 304 kho\u1ea3ng 20\u201340% (t\u00f9y th\u1eddi \u0111i\u1ec3m th\u1ecb tr\u01b0\u1eddng), \u0111\u00e1ng ti\u1ec1n \u1edf m\u00f4i tr\u01b0\u1eddng chloride cao\/ven bi\u1ec3n.<\/p>\n<h2 id=\"toc-8-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; Nickel Institute \u2013 H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9; t\u00e0i li\u1ec7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng chloride v\u00e0 v\u1ec7 sinh b\u1ec1 m\u1eb7t (nickelinstitute.org).<br \/>\n&#8211; International Molybdenum Association (IMOA) \u2013 Thi\u1ebft k\u1ebf, ch\u1ecdn m\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 cho ki\u1ebfn tr\u00fac v\u00e0 m\u00f4i tr\u01b0\u1eddng bi\u1ec3n (imoa.info).<br \/>\n&#8211; Australian Stainless Steel Development Association (ASSDA) \u2013 H\u01b0\u1edbng d\u1eabn hi\u1ec7n t\u01b0\u1ee3ng \u201ctea staining\u201d v\u00e0 b\u1ea3o tr\u00ec (assda.asn.au).<br \/>\n&#8211; ASTM International \u2013 C\u00e1c ti\u00eau chu\u1ea9n A240, A276, A312, A554, A967 cho s\u1ea3n ph\u1ea9m v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t inox (astm.org).<br \/>\n&#8211; Outokumpu\/Nh\u00e0 s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 \u2013 D\u1eef li\u1ec7u k\u1ef9 thu\u1eadt 304\/316, PREN v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t (outokumpu.com).<\/p>\n<h2 id=\"toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; Inox 304 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u v\u1ec1 chi ph\u00ed\/\u0111\u1ed9 b\u1ec1n cho \u0111a s\u1ed1 ph\u00f2ng t\u1eafm trong m\u00f4i tr\u01b0\u1eddng \u1ea9m n\u1ed9i \u0111\u1ecba, v\u1edbi \u0111i\u1ec1u ki\u1ec7n: ch\u1ecdn \u0111\u00fang m\u00e1c\u2013\u0111\u1ed9 d\u00e0y\u2013b\u1ec1 m\u1eb7t, l\u1eafp \u0111\u1eb7t h\u1ea1n ch\u1ebf \u0111\u1ecdng n\u01b0\u1edbc\/khe h\u1edf, v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u1eb1ng h\u00f3a ch\u1ea5t trung t\u00ednh.<br \/>\n&#8211; Trong m\u00f4i tr\u01b0\u1eddng chloride cao (g\u1ea7n bi\u1ec3n, h\u1ed3 b\u01a1i n\u01b0\u1edbc m\u1eb7n), n\u00e2ng c\u1ea5p l\u00ean 316 ho\u1eb7c 304 electropolish v\u00e0 t\u0103ng t\u1ea7n su\u1ea5t v\u1ec7 sinh \u0111\u1ec3 lo\u1ea1i b\u1ecf mu\u1ed1i \u0111\u1ecdng.<br \/>\n&#8211; Lu\u00f4n ki\u1ec3m ch\u1ee9ng v\u1eadt li\u1ec7u (MTC\/PMI) \u0111\u1ec3 tr\u00e1nh mua nh\u1ea7m 201; \u0111\u1ed3ng b\u1ed9 \u1ed1c v\u00edt inox v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t sau l\u1eafp \u0111\u1eb7t gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd \u0111\u00e1ng k\u1ec3.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n c\u1ea5u h\u00ecnh v\u1eadt li\u1ec7u, ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t ho\u1eb7c ki\u1ec3m ch\u1ee9ng m\u00e1c th\u00e9p cho d\u1ef1 \u00e1n ph\u00f2ng t\u1eafm c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t.<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, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng ph\u1ee5 ki\u1ec7n Inox 304 cho ph\u00f2ng t\u1eafm \u1ea9m \u01b0\u1edbt: ph\u00e2n bi\u1ec7t 304\u2013201, \u0111\u1ed9 d\u00e0y, b\u1ec1 m\u1eb7t, ti\u00eau chu\u1ea9n, ch\u1ed1ng g\u1ec9 t\u1ed1i \u01b0u v\u00e0 ki\u1ec3m ch\u1ee9ng v\u1eadt li\u1ec7u.<\/p>\n","protected":false},"author":7,"featured_media":1036,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1688","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\/1688","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=1688"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1688\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1036"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}