{"id":2140,"date":"2026-06-14T12:34:13","date_gmt":"2026-06-14T05:34:13","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/huong-dan-chi-tiet-bao-duong-lam-sang-bong-phu-kien-inox\/"},"modified":"2026-06-14T12:34:13","modified_gmt":"2026-06-14T05:34:13","slug":"huong-dan-chi-tiet-bao-duong-lam-sang-bong-phu-kien-inox","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/huong-dan-chi-tiet-bao-duong-lam-sang-bong-phu-kien-inox\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn chi ti\u1ebft b\u1ea3o d\u01b0\u1ee1ng, l\u00e0m s\u00e1ng b\u00f3ng ph\u1ee5 ki\u1ec7n Inox"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-hieu-nhanh-ve-co-che-tu-bao-ve-cua-inox\">Hi\u1ec3u nhanh v\u1ec1 c\u01a1 ch\u1ebf \u201ct\u1ef1 b\u1ea3o v\u1ec7\u201d c\u1ee7a Inox<\/a><\/li>\n<li><a href=\"#toc-1-phan-loai-vet-ban-va-hien-tuong-thuong-gap\">Ph\u00e2n lo\u1ea1i v\u1ebft b\u1ea9n v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-2-anh-huong-cua-mac-thep-va-hoan-thien-be-mat\">\u1ea2nh h\u01b0\u1edfng c\u1ee7a m\u00e1c th\u00e9p v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-3-chuan-bi-va-an-toan-truoc-khi-ve-sinh\">Chu\u1ea9n b\u1ecb v\u00e0 an to\u00e0n tr\u01b0\u1edbc khi v\u1ec7 sinh<\/a><\/li>\n<li><a href=\"#toc-4-quy-trinh-bao-duong-theo-cap-do-banhu-hai\">Quy tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng theo c\u1ea5p \u0111\u1ed9 b\u1ea9n\/h\u01b0 h\u1ea1i<\/a><\/li>\n<li><a href=\"#toc-5-lich-bao-duong-theo-moi-truong-su-dung\">L\u1ecbch b\u1ea3o d\u01b0\u1ee1ng theo m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-6-checklist-dung-cu-va-hoa-chat-khuyen-nghi\">Checklist d\u1ee5ng c\u1ee5 v\u00e0 h\u00f3a ch\u1ea5t khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-7-cac-loi-thuong-gap-can-tranh\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-8-kiem-tra-chat-luong-sau-bao-duong\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng sau b\u1ea3o d\u01b0\u1ee1ng<\/a><\/li>\n<li><a href=\"#toc-9-khi-nao-can-goi-dich-vu-chuyen-nghiep\">Khi n\u00e0o c\u1ea7n g\u1ecdi d\u1ecbch v\u1ee5 chuy\u00ean nghi\u1ec7p<\/a><\/li>\n<li><a href=\"#toc-10-uoc-tinh-thoi-gian-va-chi-phi-tham-khao\">\u01af\u1edbc t\u00ednh th\u1eddi gian v\u00e0 chi ph\u00ed tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-11-faq-cau-hoi-thuong-gap\">FAQ \u2013 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-12-tieu-chuan-va-tai-lieu-tham-khao\">Ti\u00eau chu\u1ea9n v\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-13-quy-trinh-mau-goi-y-cho-xuongnha-thau\">Quy tr\u00ecnh m\u1eabu g\u1ee3i \u00fd cho x\u01b0\u1edfng\/nh\u00e0 th\u1ea7u<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ph\u1ee5 ki\u1ec7n Inox trong x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t c\u1ea7n gi\u1eef \u0111\u01b0\u1ee3c c\u1ea3 th\u1ea9m m\u1ef9 l\u1eabn \u0111\u1ed9 b\u1ec1n c\u01a1 l\u00fd sau th\u1eddi gian s\u1eed d\u1ee5ng. Trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu \u1ea9m, m\u01b0a b\u1ee5i v\u00e0 \u00f4 nhi\u1ec5m \u0111\u00f4 th\u1ecb nh\u01b0 H\u00e0 N\u1ed9i, b\u1ec1 m\u1eb7t Inox d\u1ec5 xu\u1ea5t hi\u1ec7n \u1ed1 v\u00e0ng (tea staining), c\u1eb7n kho\u00e1ng, v\u1ebft h\u00e0n x\u1ec9 m\u00e0u, hay \u0111\u1ed1m g\u1ec9 do nhi\u1ec5m s\u1eaft ngo\u1ea1i lai. B\u00e0i vi\u1ebft n\u00e0y l\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7, th\u1ef1c t\u1ebf \u0111\u1ec3 b\u1ea1n b\u1ea3o d\u01b0\u1ee1ng v\u00e0 l\u00e0m s\u00e1ng b\u00f3ng ph\u1ee5 ki\u1ec7n Inox \u0111\u00fang k\u1ef9 thu\u1eadt, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 gi\u1ea3m chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n<h2 id=\"toc-0-hieu-nhanh-ve-co-che-tu-bao-ve-cua-inox\">Hi\u1ec3u nhanh v\u1ec1 c\u01a1 ch\u1ebf \u201ct\u1ef1 b\u1ea3o v\u1ec7\u201d c\u1ee7a Inox<\/h2>\n<p>&#8211; Inox b\u1ec1n g\u1ec9 nh\u1edd l\u1edbp m\u00e0ng th\u1ee5 \u0111\u1ed9ng Cr2O3 si\u00eau m\u1ecfng, t\u1ef1 h\u00ecnh th\u00e0nh khi ti\u1ebfp x\u00fac oxy.<br \/>\n&#8211; L\u1edbp n\u00e0y suy y\u1ebfu n\u1ebfu: b\u1ec1 m\u1eb7t th\u00f4 r\u00e1p, c\u00f3 clorua (mu\u1ed1i\/thu\u1ed1c t\u1ea9y), h\u1ea1t s\u1eaft ngo\u1ea1i lai, nhi\u1ec7t h\u00e0n t\u1ea1o m\u00e0u, v\u1ec7 sinh sai c\u00e1ch.<br \/>\n&#8211; B\u1ea3o d\u01b0\u1ee1ng \u0111\u00fang l\u00e0 kh\u00f4i ph\u1ee5c \u0111\u1ed9 s\u1ea1ch kim lo\u1ea1i, t\u00e1i l\u1eadp\/duy tr\u00ec th\u1ee5 \u0111\u1ed9ng h\u00f3a v\u00e0 b\u1ea3o v\u1ec7 c\u01a1 h\u1ecdc b\u1ec1 m\u1eb7t.<\/p>\n<h2 id=\"toc-1-phan-loai-vet-ban-va-hien-tuong-thuong-gap\">Ph\u00e2n lo\u1ea1i v\u1ebft b\u1ea9n v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>1) V\u1ebft d\u1ea7u m\u1ee1, d\u1ea5u v\u00e2n tay, b\u1ee5i c\u00f4ng tr\u00ecnh<\/h3>\n<p>V\u1ebft m\u1edd, loang d\u1ea7u, b\u00e1m b\u1ee5i xi m\u0103ng tr\u00ean tay n\u1eafm, b\u1ea3n l\u1ec1, ch\u1ed1t, n\u1eb9p trang tr\u00ed.<\/p>\n<h3>2) \u1ed0 v\u00e0ng (tea staining) ven m\u00e9p, khe, g\u1ea7n m\u1ed1i h\u00e0n<\/h3>\n<p>M\u00e0u v\u00e0ng-n\u00e2u, kh\u00f4ng ph\u1ea3i \u201cg\u1ec9 \u0111en\u201d \u0103n s\u00e2u; th\u01b0\u1eddng g\u1eb7p ngo\u00e0i tr\u1eddi, g\u1ea7n \u0111\u01b0\u1eddng l\u1edbn ho\u1eb7c khu v\u1ef1c \u1ea9m m\u1eb7n.<\/p>\n<h3>3) \u0110\u1ed1m g\u1ec9 ngo\u1ea1i lai (rouge\/flash rust)<\/h3>\n<p>H\u1ea1t s\u1eaft carbon t\u1eeb d\u1ee5ng c\u1ee5\/th\u00e9p \u0111en b\u00e1m l\u00ean Inox, b\u1ecb oxy h\u00f3a t\u1ea1o \u0111\u1ed1m n\u00e2u-\u0111\u1ecf.<\/p>\n<h3>4) V\u1ebft \u1ed1 h\u00e0n (heat tint)<\/h3>\n<p>V\u00e0nh m\u00e0u r\u01a1m-xanh-t\u00edm quanh m\u1ed1i h\u00e0n do oxit d\u00e0y, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n n\u1ebfu kh\u00f4ng x\u1eed l\u00fd.<\/p>\n<h3>5) C\u1eb7n kho\u00e1ng, \u1ed1 n\u01b0\u1edbc c\u1ee9ng<\/h3>\n<p>M\u1ea3ng tr\u1eafng x\u00e1m, b\u00e1m c\u1ee9ng do CaCO3\/MgCO3, th\u01b0\u1eddng \u1edf khu b\u1ebfp, nh\u00e0 t\u1eafm.<\/p>\n<h3>6) X\u01b0\u1edbc l\u00f4ng m\u00e8o, m\u1edd x\u1ec9n b\u1ec1 m\u1eb7t<\/h3>\n<p>Do ch\u00e0 mi\u1ebfng qu\u00e1 c\u1ee9ng, s\u1eed d\u1ee5ng b\u1ed9t m\u00e0i kh\u00f4ng \u0111\u00fang ho\u1eb7c lau ch\u00f9i sai h\u01b0\u1edbng tr\u00ean b\u1ec1 m\u1eb7t hairline\/No.4.<\/p>\n<h2 id=\"toc-2-anh-huong-cua-mac-thep-va-hoan-thien-be-mat\">\u1ea2nh h\u01b0\u1edfng c\u1ee7a m\u00e1c th\u00e9p v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/h2>\n<p>&#8211; M\u00e1c th\u00e9p: 201 (Mn cao, Ni th\u1ea5p) ch\u1ed1ng g\u1ec9 k\u00e9m h\u01a1n 304; 316 c\u00f3 Mo ~2\u20132.5% ch\u1ed1ng pitting clorua v\u01b0\u1ee3t tr\u1ed9i, ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n\/h\u1ed3 b\u01a1i (PREN 201\u224816, 304\u224818, 316\u224823).<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n: B\u1ec1 m\u1eb7t nh\u1eb5n (BA\/No.8, Ra th\u1ea5p) b\u1ec1n \u1ed1 h\u01a1n b\u1ec1 m\u1eb7t x\u01b0\u1edbc (HL\/No.4). \u1ede m\u00f4i tr\u01b0\u1eddng clorua, n\u00ean ch\u1ecdn Ra \u22640,5 \u03bcm v\u00e0 h\u1ea1n ch\u1ebf khe k\u1ebd \u1ee9 \u0111\u1ecdng.<\/p>\n<h2 id=\"toc-3-chuan-bi-va-an-toan-truoc-khi-ve-sinh\">Chu\u1ea9n b\u1ecb v\u00e0 an to\u00e0n tr\u01b0\u1edbc khi v\u1ec7 sinh<\/h2>\n<p>&#8211; Trang b\u1ecb: g\u0103ng nitrile, k\u00ednh, kh\u1ea9u trang, b\u00e0n ch\u1ea3i nylon m\u1ec1m, kh\u0103n microfiber, b\u0103ng che b\u1ea3o v\u1ec7 khu v\u1ef1c kh\u00f4ng x\u1eed l\u00fd.<br \/>\n&#8211; Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng: mi\u1ebfng ch\u00e0 th\u00e9p carbon, b\u1ed9t m\u00e0i kh\u00f4ng r\u00f5 ngu\u1ed3n, ch\u1ea5t t\u1ea9y ch\u1ee9a clorua (NaClO\/Javen), thu\u1ed1c t\u1ea9y r\u1eeda c\u00f3 halogen m\u1ea1nh.<br \/>\n&#8211; Th\u1eed tr\u01b0\u1edbc \u1edf v\u00f9ng khu\u1ea5t; l\u00e0m vi\u1ec7c n\u01a1i th\u00f4ng tho\u00e1ng; \u0111\u1ecdc k\u1ef9 SDS c\u1ee7a h\u00f3a ch\u1ea5t; kh\u00f4ng \u0111\u1ec3 h\u00f3a ch\u1ea5t kh\u00f4 tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n<h2 id=\"toc-4-quy-trinh-bao-duong-theo-cap-do-banhu-hai\">Quy tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng theo c\u1ea5p \u0111\u1ed9 b\u1ea9n\/h\u01b0 h\u1ea1i<\/h2>\n<h3>M\u1ee9c 1 \u2013 L\u00e0m s\u1ea1ch \u0111\u1ecbnh k\u1ef3 (\u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p trong nh\u00e0)<\/h3>\n<p>&#8211; Pha n\u01b0\u1edbc \u1ea5m v\u1edbi x\u00e0 ph\u00f2ng trung t\u00ednh (pH 6\u20138).<br \/>\n&#8211; Lau theo m\u1ed9t h\u01b0\u1edbng b\u1eb1ng kh\u0103n microfiber; ch\u1ea3i nylon \u1edf khe.<br \/>\n&#8211; X\u1ea3 s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc, lau kh\u00f4 ngay \u0111\u1ec3 tr\u00e1nh v\u1ec7t n\u01b0\u1edbc.<br \/>\n&#8211; T\u00f9y ch\u1ecdn: ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7 m\u1ecfng (wax vi tinh th\u1ec3\/si-oxane kh\u00f4ng silicone) \u0111\u1ec3 ch\u1ed1ng b\u00e1m b\u1ea9n.<\/p>\n<h3>M\u1ee9c 2 \u2013 T\u1ea9y d\u1ea7u m\u1ee1 c\u1ee9ng \u0111\u1ea7u<\/h3>\n<p>&#8211; D\u00f9ng c\u1ed3n isopropyl 70\u201390% ho\u1eb7c ch\u1ea5t t\u1ea9y d\u1ea7u ki\u1ec1m nh\u1eb9 kh\u00f4ng ch\u1ee9a clorua.<br \/>\n&#8211; Lau \u0111\u1ebfn khi \u0111\u1ea1t \u201cwater-break free\u201d (n\u01b0\u1edbc loang \u0111\u1ec1u kh\u00f4ng r\u00e3nh).<br \/>\n&#8211; R\u1eeda s\u1ea1ch, lau kh\u00f4.<\/p>\n<h3>M\u1ee9c 3 \u2013 C\u1eb7n kho\u00e1ng, \u1ed1 n\u01b0\u1edbc c\u1ee9ng, \u1ed1 nh\u1eb9<\/h3>\n<p>&#8211; D\u00f9ng dung d\u1ecbch axit h\u1eefu c\u01a1 nh\u1eb9: axit citric 4\u201310% ho\u1eb7c gi\u1ea5m 5\u201310%.<br \/>\n&#8211; Thoa \u01b0\u1edbt \u0111\u1ec1u 5\u201315 ph\u00fat; ch\u00e0 nylon; kh\u00f4ng \u0111\u1ec3 kh\u00f4.<br \/>\n&#8211; R\u1eeda n\u01b0\u1edbc nhi\u1ec1u l\u1ea7n; trung h\u00f2a nh\u1eb9 b\u1eb1ng dung d\u1ecbch x\u00e0 ph\u00f2ng; lau kh\u00f4.<\/p>\n<h3>M\u1ee9c 4 \u2013 \u1ed0 v\u00e0ng (tea staining) v\u00e0 \u0111\u1ed1m g\u1ec9 ngo\u1ea1i lai<\/h3>\n<p>Ph\u1ee5c h\u1ed3i b\u1eb1ng t\u1ea9y g\u1ec9 + th\u1ee5 \u0111\u1ed9ng h\u00f3a:<br \/>\n&#8211; T\u1ea9y g\u1ec9: d\u00f9ng gel\/kem t\u1ea9y g\u1ec9 g\u1ed1c citric\/nitric th\u01b0\u01a1ng m\u1ea1i; b\u00f4i l\u1edbp m\u1ecfng, ch\u1edd theo khuy\u1ebfn c\u00e1o NSX (th\u01b0\u1eddng 10\u201340 ph\u00fat).<br \/>\n&#8211; Ch\u00e0 nylon, r\u1eeda \u00e1p l\u1ef1c cao; ki\u1ec3m tra b\u1ec1 m\u1eb7t s\u1ea1ch kim lo\u1ea1i.<br \/>\n&#8211; Th\u1ee5 \u0111\u1ed9ng h\u00f3a: dung d\u1ecbch axit citric 4\u201310% ho\u1eb7c nitric theo ASTM A967; thoa 10\u201330 ph\u00fat; r\u1eeda th\u1eadt k\u1ef9 v\u00e0 lau kh\u00f4.<br \/>\nL\u01b0u \u00fd: Tr\u00e1nh m\u1ecdi s\u1ea3n ph\u1ea9m ch\u1ee9a clorua. N\u1ebfu pitting \u0111\u00e3 h\u00ecnh th\u00e0nh (l\u00f5m \u0111i\u1ec3m), c\u1ea7n \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 s\u00e2u; pitting >1 mm n\u00ean li\u00ean h\u1ec7 d\u1ecbch v\u1ee5 chuy\u00ean nghi\u1ec7p.<\/p>\n<h3>M\u1ee9c 5 \u2013 V\u1ebft \u1ed1 h\u00e0n, m\u00e0u nhi\u1ec7t, ph\u1ee5c h\u1ed3i b\u00f3ng g\u01b0\u01a1ng<\/h3>\n<p>Ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd t\u0103ng d\u1ea7n:<br \/>\n&#8211; H\u00f3a h\u1ecdc\/pickling: d\u00f9ng gel pickling chuy\u00ean d\u1ee5ng (th\u01b0\u1eddng h\u1ec7 HNO3\/HF) cho v\u1ebft m\u00e0u nhi\u1ec7t\/m\u00e0ng oxit d\u00e0y quanh m\u1ed1i h\u00e0n; nguy hi\u1ec3m, ch\u1ec9 d\u00f9ng b\u1edfi th\u1ee3 \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n, theo ASTM A380.<br \/>\n&#8211; C\u01a1 h\u1ecdc:<br \/>\n  &#8211; V\u1edbi HL\/No.4: m\u00e0i theo h\u01b0\u1edbng v\u00e2n b\u1eb1ng gi\u1ea5y nh\u00e1m 240\u2192320\u2192400, sau \u0111\u00f3 pad Scotch-Brite ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u00e1i t\u1ea1o v\u00e2n.<br \/>\n  &#8211; V\u1edbi BA\/No.8: \u0111\u00e1nh b\u00f3ng b\u1eb1ng b\u00e1nh n\u1ec9 + compound Al2O3\/Cr2O3 nhi\u1ec1u c\u1ea5p, tr\u00e1nh qu\u00e1 nhi\u1ec7t.<br \/>\n&#8211; \u0110i\u1ec7n h\u00f3a (electropolishing): t\u1ed1i \u01b0u cho chi ti\u1ebft ph\u1ee9c t\u1ea1p; c\u1ea3i thi\u1ec7n Ra, lo\u1ea1i b\u1ecf vi nh\u1ea5p nh\u00f4, t\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u00f3ng; c\u1ea7n thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng.<br \/>\nSau m\u1ecdi x\u1eed l\u00fd c\u01a1 h\u1ecdc, ti\u1ebfn h\u00e0nh th\u1ee5 \u0111\u1ed9ng h\u00f3a (citric\/nitric) v\u00e0 r\u1eeda s\u1ea1ch.<\/p>\n<h3>M\u1ee9c 6 \u2013 B\u1ea3o v\u1ec7 sau l\u00e0m s\u1ea1ch<\/h3>\n<p>&#8211; Ph\u1ee7 sealant m\u1ecfng g\u1ed1c PTFE\/si-oxane ho\u1eb7c wax vi tinh th\u1ec3 \u0111\u1ec3 gi\u1ea3m b\u00e1m b\u1ea9n, \u0111\u1eb7c bi\u1ec7t cho ngo\u00e0i tr\u1eddi\/ven bi\u1ec3n.<br \/>\n&#8211; Tr\u00e1nh l\u1edbp d\u1ea7u d\u00e0y g\u00e2y h\u00fat b\u1ee5i trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p.<\/p>\n<h2 id=\"toc-5-lich-bao-duong-theo-moi-truong-su-dung\">L\u1ecbch b\u1ea3o d\u01b0\u1ee1ng theo m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng<\/h2>\n<p>&#8211; Trong nh\u00e0 kh\u00f4 (v\u0103n ph\u00f2ng, n\u1ed9i th\u1ea5t): v\u1ec7 sinh nh\u1eb9 m\u1ed7i 3\u20136 th\u00e1ng; ki\u1ec3m tra \u0111\u1ed1m g\u1ec9 6\u201312 th\u00e1ng.<br \/>\n&#8211; Khu b\u1ebfp, th\u1ef1c ph\u1ea9m: lau h\u1eb1ng ng\u00e0y\/tu\u1ea7n b\u1eb1ng ch\u1ea5t t\u1ea9y pH trung t\u00ednh; tr\u00e1nh ho\u00e0n to\u00e0n NaClO.<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb (H\u00e0 N\u1ed9i, g\u1ea7n \u0111\u01b0\u1eddng l\u1edbn): r\u1eeda n\u01b0\u1edbc s\u1ea1ch 2\u20134 tu\u1ea7n\/l\u1ea7n; l\u00e0m s\u1ea1ch k\u1ef9 + th\u1ee5 \u0111\u1ed9ng h\u00f3a 6 th\u00e1ng\/l\u1ea7n.<br \/>\n&#8211; Ven h\u1ed3\/ven bi\u1ec3n (<5 km): x\u1ecbt r\u1eeda n\u01b0\u1edbc ng\u1ecdt h\u1eb1ng tu\u1ea7n; l\u00e0m s\u1ea1ch + th\u1ee5 \u0111\u1ed9ng h\u00f3a h\u00e0ng th\u00e1ng; \u01b0u ti\u00ean m\u00e1c 316 v\u00e0 b\u1ec1 m\u1eb7t Ra th\u1ea5p.  \n- Nh\u00e0 x\u01b0\u1edfng c\u01a1 kh\u00ed: t\u00e1ch bi\u1ec7t d\u1ee5ng c\u1ee5 Inox; v\u1ec7 sinh cu\u1ed1i ca t\u1ea1i khu v\u1ef1c c\u00f3 b\u1ee5i th\u00e9p \u0111en.\n\n\n\n<h2 id=\"toc-6-checklist-dung-cu-va-hoa-chat-khuyen-nghi\">Checklist d\u1ee5ng c\u1ee5 v\u00e0 h\u00f3a ch\u1ea5t khuy\u1ebfn ngh\u1ecb<\/h2>\n<p>&#8211; Kh\u0103n microfiber \u2265300 GSM; b\u00e0n ch\u1ea3i nylon m\u1ec1m; b\u00ecnh x\u1ecbt; b\u0103ng keo gi\u1ea5y che.<br \/>\n&#8211; X\u00e0 ph\u00f2ng pH trung t\u00ednh; c\u1ed3n IPA; axit citric b\u1ed9t (c\u1ea5p th\u1ef1c ph\u1ea9m) pha 4\u201310%; gel t\u1ea9y g\u1ec9 g\u1ed1c citric\/nitric th\u01b0\u01a1ng m\u1ea1i; compound \u0111\u00e1nh b\u00f3ng Al2O3; wax vi tinh th\u1ec3\/si-oxane.<br \/>\n&#8211; Thi\u1ebft b\u1ecb t\u00f9y ch\u1ecdn: m\u00e1y \u0111\u00e1nh b\u00f3ng t\u1ed1c \u0111\u1ed9 bi\u1ebfn thi\u00ean; m\u00e1y r\u1eeda \u00e1p l\u1ef1c; b\u1ed9 electropolishing (d\u1ecbch v\u1ee5).<br \/>\n&#8211; Lu\u00f4n \u0111\u1ecdc SDS, th\u1eed \u0111i\u1ec3m nh\u1ecf, kh\u00f4ng tr\u1ed9n h\u00f3a ch\u1ea5t.<\/p>\n<h2 id=\"toc-7-cac-loi-thuong-gap-can-tranh\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh<\/h2>\n<p>&#8211; D\u00f9ng Javen\/NaClO ho\u1eb7c ch\u1ea5t t\u1ea9y c\u00f3 clorua \u2192 g\u00e2y r\u1ed7 pitting nhanh.<br \/>\n&#8211; Ch\u00e0 b\u1eb1ng b\u00f9i nh\u00f9i th\u00e9p carbon \u2192 nhi\u1ec5m s\u1eaft ngo\u1ea1i lai, t\u00e1i g\u1ec9.<br \/>\n&#8211; Kh\u00f4ng r\u1eeda-s\u1ea5y k\u1ef9 sau khi d\u00f9ng axit \u2192 loang \u1ed1, \u0103n m\u00f2n k\u1ebd h\u1edf.<br \/>\n&#8211; Ch\u00e0 ng\u01b0\u1ee3c h\u01b0\u1edbng v\u00e2n tr\u00ean HL\/No.4 \u2192 x\u01b0\u1edbc \u201cb\u1eadc thang\u201d, kh\u00f3 ph\u1ee5c h\u1ed3i.<br \/>\n&#8211; D\u00f9ng m\u1ed9t b\u1ed9 gi\u1ebb\/d\u1ee5ng c\u1ee5 cho c\u1ea3 th\u00e9p \u0111en v\u00e0 Inox \u2192 nhi\u1ec5m b\u1ea9n ch\u00e9o.<\/p>\n<h2 id=\"toc-8-kiem-tra-chat-luong-sau-bao-duong\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng sau b\u1ea3o d\u01b0\u1ee1ng<\/h2>\n<p>&#8211; Water-break test: b\u1ec1 m\u1eb7t \u01b0\u1edbt n\u01b0\u1edbc loang \u0111\u1ec1u, kh\u00f4ng t\u00e1ch r\u00e3nh.<br \/>\n&#8211; Ki\u1ec3m tra m\u1eaft th\u01b0\u1eddng d\u01b0\u1edbi \u00e1nh s\u00e1ng xi\u00ean: kh\u00f4ng c\u00f2n v\u1ebft m\u00e0u nhi\u1ec7t\/\u1ed1 v\u00e0ng.<br \/>\n&#8211; N\u1ebfu y\u00eau c\u1ea7u cao: \u0111o \u0111\u1ed9 nh\u00e1m Ra; th\u1eed th\u1ee5 \u0111\u1ed9ng theo ASTM A967 (v\u00ed d\u1ee5 ph\u00e9p th\u1eed mu\u1ed1i phun\/oxy h\u00f3a nh\u1eb9 ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5p nh\u1eadn c\u1ee7a kh\u00e1ch h\u00e0ng).<\/p>\n<h2 id=\"toc-9-khi-nao-can-goi-dich-vu-chuyen-nghiep\">Khi n\u00e0o c\u1ea7n g\u1ecdi d\u1ecbch v\u1ee5 chuy\u00ean nghi\u1ec7p<\/h2>\n<p>&#8211; M\u1ed1i h\u00e0n c\u00f3 m\u00e0u xanh-t\u00edm r\u1ed9ng, c\u1ea7n pickling HF\/HNO3.<br \/>\n&#8211; Pitting \u0111\u00e3 t\u1ea1o l\u1ed7 >1 mm ho\u1eb7c di\u1ec7n t\u00edch l\u1edbn m\u1eb7t ti\u1ec1n ngo\u00e0i tr\u1eddi.<br \/>\n&#8211; Y\u00eau c\u1ea7u ho\u00e0n thi\u1ec7n No.8 g\u01b0\u01a1ng tr\u00ean di\u1ec7n t\u00edch r\u1ed9ng; c\u1ea7n m\u00e1y m\u00f3c v\u00e0 k\u1ef9 n\u0103ng.<br \/>\n&#8211; Thi\u1ebft b\u1ecb\/qu\u1ea7y Inox trong ng\u00e0nh th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c, y\u00eau c\u1ea7u tu\u00e2n chu\u1ea9n v\u1ec7 sinh.<\/p>\n<h2 id=\"toc-10-uoc-tinh-thoi-gian-va-chi-phi-tham-khao\">\u01af\u1edbc t\u00ednh th\u1eddi gian v\u00e0 chi ph\u00ed tham kh\u1ea3o<\/h2>\n<p>&#8211; V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 pH trung t\u00ednh: nhanh, chi ph\u00ed th\u1ea5p.<br \/>\n&#8211; T\u1ea9y g\u1ec9 + th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1eb1ng gel citric\/nitric: t\u1ed1n 10\u201340 ph\u00fat\/khu v\u1ef1c t\u00f9y m\u1ee9c \u1ed1; chi ph\u00ed ph\u1ee5 thu\u1ed9c s\u1ea3n ph\u1ea9m v\u00e0 nh\u00e2n c\u00f4ng.<br \/>\n&#8211; \u0110\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc\/\u0111i\u1ec7n h\u00f3a: c\u1ea7n th\u1ee3 l\u00e0nh ngh\u1ec1; chi ph\u00ed bi\u1ebfn thi\u00ean theo c\u1ea5p ho\u00e0n thi\u1ec7n v\u00e0 di\u1ec7n t\u00edch.<br \/>\n\u0110\u1ec3 c\u00f3 b\u00e1o gi\u00e1 ch\u00ednh x\u00e1c theo lo\u1ea1i ph\u1ee5 ki\u1ec7n (b\u1ea3n l\u1ec1, tay n\u1eafm, \u1ed1p n\u1eb9p, lan can, khung c\u1eeda, \u1ed1ng\/h\u1ed9p\u2026) v\u00e0 m\u00e1c th\u00e9p, vui l\u00f2ng li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh.<\/p>\n<h2 id=\"toc-11-faq-cau-hoi-thuong-gap\">FAQ \u2013 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; V\u00ec sao Inox v\u1eabn \u201cg\u1ec9\u201d? V\u00ec l\u1edbp th\u1ee5 \u0111\u1ed9ng b\u1ecb ph\u00e1 h\u1ee7y ho\u1eb7c nhi\u1ec5m s\u1eaft ngo\u1ea1i lai; \u1ed1 v\u00e0ng kh\u00f4ng ph\u1ea3i r\u1ed7 s\u00e2u nh\u01b0ng l\u00e0 c\u1ea3nh b\u00e1o m\u00f4i tr\u01b0\u1eddng c\u00f3 clorua\/b\u1ee5i kim lo\u1ea1i.<br \/>\n&#8211; D\u00f9ng baking soda \u0111\u01b0\u1ee3c kh\u00f4ng? C\u00f3 th\u1ec3 trung h\u00f2a axit nh\u1eb9, t\u1ea9y d\u1ea7u; nh\u01b0ng h\u1ea1t c\u00f3 th\u1ec3 g\u00e2y x\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t b\u00f3ng. Th\u1eed \u1edf v\u00f9ng khu\u1ea5t, ch\u00e0 nh\u1eb9 theo h\u01b0\u1edbng v\u00e2n.<br \/>\n&#8211; WD-40 c\u00f3 ph\u00f9 h\u1ee3p? \u0110\u1ec3 t\u1ea9y g\u1ec9 nh\u1eb9\/t\u1ea1o m\u00e0ng d\u1ea7u t\u1ea1m th\u1eddi trong nh\u00e0 th\u00ec \u0111\u01b0\u1ee3c; tuy nhi\u00ean d\u1ec5 h\u00fat b\u1ee5i. \u01afu ti\u00ean s\u1ea3n ph\u1ea9m chuy\u00ean d\u1ee5ng cho Inox, kh\u00f4ng silicone.<br \/>\n&#8211; C\u00f3 c\u1ea7n th\u1ee5 \u0111\u1ed9ng h\u00f3a sau \u0111\u00e1nh b\u00f3ng? N\u00ean c\u00f3, nh\u1ea5t l\u00e0 sau x\u1eed l\u00fd c\u01a1 h\u1ecdc\/h\u00e0n, \u0111\u1ec3 t\u00e1i l\u1eadp l\u1edbp b\u1ea3o v\u1ec7 Cr2O3 \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n<h2 id=\"toc-12-tieu-chuan-va-tai-lieu-tham-khao\">Ti\u00eau chu\u1ea9n v\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A380\/A380M \u2013 Cleaning, Descaling, and Passivation of Stainless Steel Parts.<br \/>\n&#8211; ASTM A967\/A967M \u2013 Chemical Passivation Treatments for Stainless Steel Parts.<br \/>\n&#8211; Nickel Institute \u2013 Guidelines for stainless steel in atmospheric and chloride environments (nickelinstitute.org).<br \/>\n&#8211; ASSDA Technical Bulletin: Preventing Tea Staining on Stainless Steel (assda.asn.au).<br \/>\n&#8211; British Stainless Steel Association (BSSA): Cleaning Stainless Steel (bssa.org.uk).<\/p>\n<h2 id=\"toc-13-quy-trinh-mau-goi-y-cho-xuongnha-thau\">Quy tr\u00ecnh m\u1eabu g\u1ee3i \u00fd cho x\u01b0\u1edfng\/nh\u00e0 th\u1ea7u<\/h2>\n<p>&#8211; B\u01b0\u1edbc 1: Che ch\u1eafn v\u1eadt li\u1ec7u l\u00e2n c\u1eadn, thu gom b\u1ee5i.<br \/>\n&#8211; B\u01b0\u1edbc 2: T\u1ea9y d\u1ea7u \u2013 r\u1eeda \u2013 s\u1ea5y kh\u00f4 (M\u1ee9c 1\u20132).<br \/>\n&#8211; B\u01b0\u1edbc 3: T\u1ea9y c\u1eb7n\/\u1ed1 (M\u1ee9c 3); \u0111\u00e1nh gi\u00e1 l\u1ea1i.<br \/>\n&#8211; B\u01b0\u1edbc 4: T\u1ea9y g\u1ec9\/th\u1ee5 \u0111\u1ed9ng h\u00f3a (M\u1ee9c 4) n\u1ebfu c\u00f3 tea staining\/\u0111\u1ed1m g\u1ec9\/\u1ed1 h\u00e0n.<br \/>\n&#8211; B\u01b0\u1edbc 5: Ph\u1ee5c h\u1ed3i ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t (M\u1ee9c 5) n\u1ebfu c\u1ea7n.<br \/>\n&#8211; B\u01b0\u1edbc 6: Ph\u1ee7 b\u1ea3o v\u1ec7 (M\u1ee9c 6) v\u00e0 thi\u1ebft l\u1eadp l\u1ecbch b\u1ea3o d\u01b0\u1ee1ng theo m\u00f4i tr\u01b0\u1eddng.<br \/>\n&#8211; H\u1ed3 s\u01a1: ch\u1ee5p \u1ea3nh tr\u01b0\u1edbc\u2013sau, ghi lo\u1ea1i h\u00f3a ch\u1ea5t, th\u1eddi gian ti\u1ebfp x\u00fac, k\u1ebft qu\u1ea3 test water-break\/Ra (n\u1ebfu \u00e1p d\u1ee5ng).<\/p>\n<p>K\u1ebft lu\u1eadn<br \/>\nMu\u1ed1n ph\u1ee5 ki\u1ec7n Inox lu\u00f4n s\u00e1ng b\u00f3ng v\u00e0 b\u1ec1n g\u1ec9, h\u00e3y gi\u1eef b\u1ec1 m\u1eb7t s\u1ea1ch, nh\u1eb5n, kh\u00f4ng nhi\u1ec5m b\u1ea9n, \u01b0u ti\u00ean h\u00f3a ch\u1ea5t pH trung t\u00ednh ho\u1eb7c axit h\u1eefu c\u01a1 nh\u1eb9, th\u1ee5 \u0111\u1ed9ng h\u00f3a khi c\u1ea7n v\u00e0 tu\u00e2n th\u1ee7 l\u1ecbch b\u1ea3o d\u01b0\u1ee1ng theo m\u00f4i tr\u01b0\u1eddng. X\u1eed l\u00fd \u0111\u00fang c\u1ea5p \u0111\u1ed9 (t\u1eeb v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 \u0111\u1ebfn pickling\/th\u1ee5 \u0111\u1ed9ng h\u00f3a v\u00e0 \u0111\u00e1nh b\u00f3ng) s\u1ebd t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi, gi\u1ea3m r\u1ee7i ro r\u1ed7 pitting v\u00e0 duy tr\u00ec th\u1ea9m m\u1ef9 c\u00f4ng tr\u00ecnh.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n quy tr\u00ecnh t\u1ed1i \u01b0u theo m\u00e1c 201\/304\/316, ho\u00e0n thi\u1ec7n HL\/No.4\/BA\/No.8 ho\u1eb7c b\u00e1o gi\u00e1 v\u1eadt t\u01b0 \u2013 d\u1ecbch v\u1ee5 t\u1ea9y g\u1ec9, th\u1ee5 \u0111\u1ed9ng h\u00f3a, \u0111\u00e1nh b\u00f3ng? 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 gi\u00e1 t\u1ed1t nh\u1ea5t.<br \/>\nHotline: 0343.417.281<br \/>\nEmail: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quy tr\u00ecnh chu\u1ea9n \u0111\u1ec3 v\u1ec7 sinh, t\u1ea9y g\u1ec9, th\u1ee5 \u0111\u1ed9ng h\u00f3a v\u00e0 \u0111\u00e1nh b\u00f3ng ph\u1ee5 ki\u1ec7n Inox; l\u1ecbch b\u1ea3o d\u01b0\u1ee1ng theo m\u00f4i tr\u01b0\u1eddng, l\u1ed7i c\u1ea7n tr\u00e1nh, k\u00e8m ti\u00eau chu\u1ea9n tham chi\u1ebfu.<\/p>\n","protected":false},"author":7,"featured_media":1043,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2140","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\/2140","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=2140"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2140\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1043"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}