{"id":2002,"date":"2026-05-10T12:34:35","date_gmt":"2026-05-10T05:34:35","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-nam-cham-ri-set-201-304-do-day-han\/"},"modified":"2026-05-10T12:34:35","modified_gmt":"2026-05-10T05:34:35","slug":"top-5-lam-tuong-ve-inox-nam-cham-ri-set-201-304-do-day-han","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/top-5-lam-tuong-ve-inox-nam-cham-ri-set-201-304-do-day-han\/","title":{"rendered":"Top 5 l\u1ea7m t\u01b0\u1edfng v\u1ec1 inox: nam ch\u00e2m, r\u1ec9 s\u00e9t, 201\u2013304, \u0111\u1ed9 d\u00e0y, h\u00e0n"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-lam-tuong-1-inox-khong-bao-gio-ri\">L\u1ea7m t\u01b0\u1edfng 1: \u201cInox kh\u00f4ng bao gi\u1edd r\u1ec9\u201d<\/a><\/li>\n<li><a href=\"#toc-1-lam-tuong-2-bi-nam-cham-hut-la-inox-gia\">L\u1ea7m t\u01b0\u1edfng 2: \u201cB\u1ecb nam ch\u00e2m h\u00fat l\u00e0 inox gi\u1ea3\u201d<\/a><\/li>\n<li><a href=\"#toc-2-lam-tuong-3-304-va-201-gan-nhu-nhau-dung-cai-nao-c\">L\u1ea7m t\u01b0\u1edfng 3: \u201c304 v\u00e0 201 g\u1ea7n nh\u01b0 nhau, d\u00f9ng c\u00e1i n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c\u201d<\/a><\/li>\n<li><a href=\"#toc-3-lam-tuong-4-do-day-khong-quan-trong-chi-can-dung-m\">L\u1ea7m t\u01b0\u1edfng 4: \u201c\u0110\u1ed9 d\u00e0y kh\u00f4ng quan tr\u1ecdng, ch\u1ec9 c\u1ea7n \u0111\u00fang m\u00e1c th\u00e9p\u201d<\/a><\/li>\n<li><a href=\"#toc-4-lam-tuong-5-han-inox-xong-la-ben-nhu-truoc-khong-c\">L\u1ea7m t\u01b0\u1edfng 5: \u201cH\u00e0n inox xong l\u00e0 b\u1ec1n nh\u01b0 tr\u01b0\u1edbc, kh\u00f4ng c\u1ea7n x\u1eed l\u00fd\u201d<\/a><\/li>\n<li><a href=\"#toc-5-nhung-hieu-lam-lien-quan-khac-rut-gon\">Nh\u1eefng hi\u1ec3u l\u1ea7m li\u00ean quan kh\u00e1c (r\u00fat g\u1ecdn)<\/a><\/li>\n<li><a href=\"#toc-6-checklist-nhanh-truoc-khi-mua-lap-dat-inox\">Checklist nhanh tr\u01b0\u1edbc khi mua \u2013 l\u1eafp \u0111\u1eb7t inox<\/a><\/li>\n<li><a href=\"#toc-7-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox l\u00e0 v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng trong c\u01a1 kh\u00ed \u2013 x\u00e2y d\u1ef1ng \u2013 th\u1ef1c ph\u1ea9m, nh\u01b0ng ng\u01b0\u1eddi m\u1edbi r\u1ea5t d\u1ec5 \u201cv\u1ea5p\u201d v\u00e0o v\u00e0i \u0111\u1ecbnh ki\u1ebfn khi\u1ebfn l\u1ef1a ch\u1ecdn sai m\u00e1c th\u00e9p, sai \u0111\u1ed9 d\u00e0y, ho\u1eb7c thi c\u00f4ng kh\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt. B\u00e0i vi\u1ebft n\u00e0y b\u00f3c t\u00e1ch 5 l\u1ea7m t\u01b0\u1edfng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1ec1 inox v\u00e0 \u0111\u01b0a ra ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt \u0111\u1ec3 b\u1ea1n ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u.<\/p>\n<h2 id=\"toc-0-lam-tuong-1-inox-khong-bao-gio-ri\">L\u1ea7m t\u01b0\u1edfng 1: \u201cInox kh\u00f4ng bao gi\u1edd r\u1ec9\u201d<\/h2>\n<p>Th\u1ef1c t\u1ebf: Inox c\u00f3 l\u1edbp m\u00e0ng th\u1ee5 \u0111\u1ed9ng gi\u00e0u Cr2O3 t\u1ef1 h\u00ecnh th\u00e0nh gi\u00fap ch\u1ed1ng \u0103n m\u00f2n. Nh\u01b0ng l\u1edbp n\u00e0y c\u00f3 th\u1ec3 b\u1ecb ph\u00e1 h\u1ee7y trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n:<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng clorua cao: h\u01a1i mu\u1ed1i ven bi\u1ec3n, n\u01b0\u1edbc m\u1eafm, h\u1ed3 b\u01a1i (NaCl\/NaOCl), dung d\u1ecbch t\u1ea9y r\u1eeda ch\u1ee9a chlorine.<br \/>\n&#8211; Khe h\u1edf, \u0111\u1ecdng n\u01b0\u1edbc, oxy th\u1ea5p: \u0103n m\u00f2n k\u1ebd h\u1edf, \u0103n m\u00f2n k\u1ebd n\u1ee9t.<br \/>\n&#8211; Nhi\u1ec5m b\u1ea9n s\u1eaft t\u1eeb d\u1ee5ng c\u1ee5 th\u00e9p \u0111en ho\u1eb7c phoi m\u00e0i b\u00e1m l\u00ean b\u1ec1 m\u1eb7t inox.<br \/>\n&#8211; V\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t sau h\u00e0n (heat tint) l\u00e0m ngh\u00e8o crom b\u1ec1 m\u1eb7t.<\/p>\n<p>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf:<br \/>\n&#8211; Lan can 304 \u1edf \u0110\u1ed3 S\u01a1n\/\u0110\u00e0 N\u1eb5ng b\u1ecb \u201ctea-staining\u201d n\u00e2u v\u00e0ng sau 3\u20136 th\u00e1ng n\u1ebfu kh\u00f4ng r\u1eeda \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; B\u1ed3n 201 ch\u1ee9a dung d\u1ecbch m\u1eb7n nh\u1eb9 nhanh xu\u1ea5t hi\u1ec7n r\u1ed7 (pitting) quanh \u0111\u01b0\u1eddng h\u00e0n.<\/p>\n<p>Gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt:<br \/>\n&#8211; Ch\u1ecdn \u0111\u00fang m\u00e1c: 316 (c\u00f3 2.0\u20132.5% Mo) b\u1ec1n pitting h\u01a1n 304 trong m\u00f4i tr\u01b0\u1eddng clorua; 304 v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi 201 cho khu v\u1ef1c \u1ea9m.<br \/>\n&#8211; Thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc, tr\u00e1nh khe h\u1edf; d\u00f9ng gio\u0103ng\/\u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n khi gh\u00e9p kh\u00e1c kim lo\u1ea1i \u0111\u1ec3 gi\u1ea3m \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; L\u00e0m s\u1ea1ch \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a: sau gia c\u00f4ng\/h\u00e0n, t\u1ea9y m\u1ed1i h\u00e0n \u2013 th\u1ee5 \u0111\u1ed9ng theo ASTM A380\/A967 (dung d\u1ecbch nitric\/citric); lo\u1ea1i b\u1ecf phoi s\u1eaft; v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch\/x\u00e0 ph\u00f2ng trung t\u00ednh, tr\u00e1nh ch\u1ea5t t\u1ea9y g\u1ed1c chloride.<br \/>\n&#8211; Tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi th\u00e9p cacbon trong kho v\u00e0 khi v\u1eadn chuy\u1ec3n.<\/p>\n<p>G\u1ee3i \u00fd nhanh theo \u0111\u1ed9 b\u1ec1n r\u1ed7: ch\u1ec9 s\u1ed1 PREN x\u1ea5p x\u1ec9 = %Cr + 3.3\u00d7%Mo + 16\u00d7%N.<br \/>\n&#8211; 304: PREN kho\u1ea3ng 18\u201319.<br \/>\n&#8211; 316: PREN kho\u1ea3ng 24\u201326.<br \/>\n&#8211; 201: PREN th\u01b0\u1eddng th\u1ea5p h\u01a1n 304. PREN c\u00e0ng cao, kh\u00e1ng pitting c\u00e0ng t\u1ed1t.<\/p>\n<h2 id=\"toc-1-lam-tuong-2-bi-nam-cham-hut-la-inox-gia\">L\u1ea7m t\u01b0\u1edfng 2: \u201cB\u1ecb nam ch\u00e2m h\u00fat l\u00e0 inox gi\u1ea3\u201d<\/h2>\n<p>Th\u1ef1c t\u1ebf: T\u1eeb t\u00ednh kh\u00f4ng quy\u1ebft \u0111\u1ecbnh inox \u201cth\u1eadt\u201d hay \u201cgi\u1ea3\u201d.<br \/>\n&#8211; Austenitic (nh\u01b0 304, 316) nguy\u00ean tr\u1ea1ng th\u01b0\u1eddng kh\u00f4ng nhi\u1ec5m t\u1eeb, nh\u01b0ng sau c\u00e1n ngu\u1ed9i\/u\u1ed1n m\u00e9p c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9.<br \/>\n&#8211; Ferritic (430) v\u00e0 martensitic (410\/420) l\u00e0 inox h\u1ee3p l\u1ec7 nh\u01b0ng nhi\u1ec5m t\u1eeb m\u1ea1nh.<br \/>\n&#8211; Nhi\u1ec1u thi\u1ebft b\u1ecb gia d\u1ee5ng\/khay l\u00f2 d\u00f9ng 430 (nhi\u1ec5m t\u1eeb) v\u1eabn \u0111\u1ea1t ti\u00eau chu\u1ea9n v\u1ec7 sinh.<\/p>\n<p>C\u00e1ch ki\u1ec3m tra \u0111\u00fang:<br \/>\n&#8211; \u0110\u1eebng d\u1ef1a duy nh\u1ea5t v\u00e0o nam ch\u00e2m. K\u1ebft h\u1ee3p:<br \/>\n  &#8211; H\u1ed3 s\u01a1 v\u1eadt li\u1ec7u: CO, CQ, MTR theo ASTM A240\/A480.<br \/>\n  &#8211; Ki\u1ec3m tra PMI b\u1eb1ng XRF \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n Cr\/Ni\/Mo.<br \/>\n  &#8211; Ki\u1ec3m tra kh\u1ed1i l\u01b0\u1ee3ng theo di\u1ec7n t\u00edch \u0111\u1ec3 ph\u00e1t hi\u1ec7n \u201cnon \u0111\u1ee7\u201d \u0111\u1ed9 d\u00e0y.<br \/>\n  &#8211; Th\u1eed \u0103n m\u00f2n c\u00f3 ki\u1ec3m so\u00e1t trong dung d\u1ecbch mu\u1ed1i v\u1edbi m\u1eabu \u0111\u1ed1i ch\u1ee9ng (khi c\u1ea7n).<\/p>\n<h2 id=\"toc-2-lam-tuong-3-304-va-201-gan-nhu-nhau-dung-cai-nao-c\">L\u1ea7m t\u01b0\u1edfng 3: \u201c304 v\u00e0 201 g\u1ea7n nh\u01b0 nhau, d\u00f9ng c\u00e1i n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c\u201d<\/h2>\n<p>Th\u1ef1c t\u1ebf: 201 t\u1ed1i \u01b0u chi ph\u00ed nh\u01b0ng kh\u00f4ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304 v\u1ec1 ch\u1ed1ng \u0103n m\u00f2n.<br \/>\n&#8211; Th\u00e0nh ph\u1ea7n \u0111i\u1ec3n h\u00ecnh (tham kh\u1ea3o ASTM A240):<br \/>\n  &#8211; 304: ~18% Cr, 8\u201310.5% Ni, Mo ~0.<br \/>\n  &#8211; 201: ~16\u201317% Cr, 3.5\u20135.5% Ni, Mn cao; b\u1ed5 sung N \u0111\u1ec3 b\u00f9 Ni.<br \/>\n&#8211; H\u1ec7 qu\u1ea3:<br \/>\n  &#8211; Kh\u00e1ng clorua: 304 v\u01b0\u1ee3t tr\u1ed9i; 201 d\u1ec5 tea-staining\/\u0111\u1ed1m r\u1ec9 \u1edf m\u00f4i tr\u01b0\u1eddng \u1ea9m \u2013 m\u1eb7n.<br \/>\n  &#8211; Gia c\u00f4ng: 201 b\u1ec1n ch\u1ea3y cao h\u01a1n, d\u1ec5 \u201cwork-hardening\u201d, c\u1ea7n l\u1ef1c u\u1ed1n l\u1edbn h\u01a1n; 304 \u1ed5n \u0111\u1ecbnh h\u01a1n khi h\u00e0n t\u1ea1o h\u00ecnh s\u00e2u.<br \/>\n  &#8211; Gi\u00e1: 201 r\u1ebb h\u01a1n do Ni th\u1ea5p, nh\u01b0ng chi ph\u00ed v\u00f2ng \u0111\u1eddi \u1edf m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t c\u00f3 th\u1ec3 cao h\u01a1n v\u00ec b\u1ea3o tr\u00ec\/thay th\u1ebf s\u1edbm.<\/p>\n<p>Khuy\u1ebfn ngh\u1ecb \u1ee9ng d\u1ee5ng:<br \/>\n&#8211; 201: n\u1eb9p trang tr\u00ed n\u1ed9i th\u1ea5t kh\u00f4, \u0111\u1ed3 gia d\u1ee5ng kh\u00f4, khung k\u1ec7 trong nh\u00e0.<br \/>\n&#8211; 304: b\u1ebfp c\u00f4ng nghi\u1ec7p, b\u1ed3n \u2013 b\u00e0n s\u01a1 ch\u1ebf th\u1ef1c ph\u1ea9m, khu \u1ea9m, khu x\u01b0\u1edfng g\u1ea7n h\u1ed3 b\u01a1i.<br \/>\n&#8211; 316: ven bi\u1ec3n, ti\u1ebfp x\u00fac n\u01b0\u1edbc m\u1eb7n\/h\u00f3a ch\u1ea5t clorua, c\u01a1 s\u1edf ch\u1ebf bi\u1ebfn h\u1ea3i s\u1ea3n.<\/p>\n<h2 id=\"toc-3-lam-tuong-4-do-day-khong-quan-trong-chi-can-dung-m\">L\u1ea7m t\u01b0\u1edfng 4: \u201c\u0110\u1ed9 d\u00e0y kh\u00f4ng quan tr\u1ecdng, ch\u1ec9 c\u1ea7n \u0111\u00fang m\u00e1c th\u00e9p\u201d<\/h2>\n<p>Th\u1ef1c t\u1ebf: \u0110\u1ed9 d\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng v\u1eefng, tu\u1ed5i th\u1ecd v\u00e0 an to\u00e0n.<br \/>\n&#8211; C\u01a1 t\u00ednh \u2013 \u1ed5n \u0111\u1ecbnh: t\u1ea5m d\u00e0y ch\u1ed1ng \u201coil-canning\u201d, m\u00f3p m\u00e9o, rung \u0111\u1ed9ng t\u1ed1t h\u01a1n; \u1ed1ng d\u00e0y ch\u1ecbu l\u1ef1c \u2013 va \u0111\u1eadp t\u1ed1t h\u01a1n.<br \/>\n&#8211; \u0102n m\u00f2n: trong m\u00f4i tr\u01b0\u1eddng m\u00e0i m\u00f2n\/\u0111\u1ed1m r\u1ed7, d\u00e0y h\u01a1n cho \u201ccorrosion allowance\u201d l\u1edbn h\u01a1n.<br \/>\n&#8211; Dung sai ti\u00eau chu\u1ea9n: theo ASTM A480, t\u1ea5m c\u00e1n ngu\u1ed9i th\u01b0\u1eddng c\u00f3 dung sai \u00b10.02\u20130.05 mm t\u00f9y \u0111\u1ed9 d\u00e0y\/kh\u1ed5.<br \/>\n&#8211; R\u1ee7i ro th\u1ecb tr\u01b0\u1eddng: \u201cnon \u0111\u1ee7 ly\u201d 0.9 mm b\u00e1n nh\u01b0 1.0 mm khi\u1ebfn s\u1ea3n ph\u1ea9m y\u1ebfu v\u00e0 nhanh h\u1ecfng.<\/p>\n<p>C\u00e1ch x\u00e1c minh nhanh \u0111\u1ed9 d\u00e0y:<br \/>\n&#8211; C\u00e2n theo di\u1ec7n t\u00edch: m\u1eadt \u0111\u1ed9 inox ~7.9 g\/cm\u00b3. T\u1ea5m 1.0 mm, 1 m\u00b2 n\u1eb7ng ~7.9 kg. Sai kh\u00e1c l\u1edbn \u2192 nghi ng\u1edd non \u0111\u1ee7.<br \/>\n&#8211; D\u00f9ng panme\/\u0111\u1ed3ng h\u1ed3 so t\u1ea1i nhi\u1ec1u \u0111i\u1ec3m; y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p c\u00f4ng b\u1ed1 ti\u00eau chu\u1ea9n dung sai.<\/p>\n<p>G\u1ee3i \u00fd ch\u1ecdn \u0111\u1ed9 d\u00e0y tham kh\u1ea3o:<br \/>\n&#8211; M\u1eb7t b\u00e0n b\u1ebfp c\u00f4ng nghi\u1ec7p 304: t\u1ed1i thi\u1ec3u 1.0\u20131.2 mm; b\u1ed3n ch\u1ee9a nh\u1ecf: 1.5\u20132.0 mm; lan can \u1ed1ng 304: 1.2\u20131.5 mm (t\u00f9y nh\u1ecbp v\u00e0 t\u1ea3i).<\/p>\n<h2 id=\"toc-4-lam-tuong-5-han-inox-xong-la-ben-nhu-truoc-khong-c\">L\u1ea7m t\u01b0\u1edfng 5: \u201cH\u00e0n inox xong l\u00e0 b\u1ec1n nh\u01b0 tr\u01b0\u1edbc, kh\u00f4ng c\u1ea7n x\u1eed l\u00fd\u201d<\/h2>\n<p>Th\u1ef1c t\u1ebf: H\u00e0n t\u1ea1o v\u00f9ng oxi h\u00f3a m\u00e0u r\u01a1m \u2013 xanh (heat tint) v\u00e0 c\u00f3 nguy c\u01a1 \u201csensitization\u201d (k\u1ebft t\u1ee7a Cr-carbide 500\u2013800\u00b0C) l\u00e0m ngh\u00e8o crom b\u1ec1 m\u1eb7t, gi\u1ea3m ch\u1ed1ng \u0103n m\u00f2n.<br \/>\nH\u1eadu qu\u1ea3 th\u01b0\u1eddng g\u1eb7p:<br \/>\n&#8211; R\u1ec9 loang quanh \u0111\u01b0\u1eddng h\u00e0n sau v\u00e0i tu\u1ea7n \u1edf m\u00f4i tr\u01b0\u1eddng \u1ea9m \u2013 m\u1eb7n.<br \/>\n&#8211; \u0102n m\u00f2n k\u1ebd ngay m\u00e9p trong c\u1ee7a m\u1ed1i h\u00e0n do kh\u00f4ng c\u00f3 kh\u00ed b\u1ea3o v\u1ec7.<\/p>\n<p>Quy tr\u00ecnh h\u00e0n \u2013 x\u1eed l\u00fd khuy\u1ebfn ngh\u1ecb (theo AWS D1.6, ASTM A380\/A967):<br \/>\n1) Ch\u1ecdn v\u1eadt li\u1ec7u: d\u00f9ng 304L\/316L \u0111\u1ec3 gi\u1ea3m nh\u1ea1y c\u1ea3m; que\/ d\u00e2y h\u00e0n t\u01b0\u01a1ng th\u00edch ER308L\/ER316L.<br \/>\n2) Ki\u1ec3m so\u00e1t nhi\u1ec7t: d\u00f2ng \u2013 t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n ph\u00f9 h\u1ee3p, h\u1ea1n ch\u1ebf v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t r\u1ed9ng.<br \/>\n3) Kh\u00ed b\u1ea3o v\u1ec7: Argon \u0111\u1ee7 l\u01b0u l\u01b0\u1ee3ng; h\u00e0n \u1ed1ng\/b\u1ec3 c\u1ea7n back-purging \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u00e2n m\u1ed1i.<br \/>\n4) L\u00e0m s\u1ea1ch c\u01a1 h\u1ecdc: \u0111\u00e1nh x\u1ec9, ch\u1ea3i inox (kh\u00f4ng d\u00f9ng b\u00e0n ch\u1ea3i th\u00e9p \u0111en), m\u00e0i m\u1ecbn.<br \/>\n5) T\u1ea9y m\u1ed1i h\u00e0n \u2013 th\u1ee5 \u0111\u1ed9ng: d\u00f9ng gel\/b\u1ec3 t\u1ea9y (h\u1ed7n h\u1ee3p axit chuy\u00ean d\u1ee5ng) \u0111\u1ec3 lo\u1ea1i oxit m\u00e0u v\u00e0 t\u00e1i t\u1ea1o m\u00e0ng th\u1ee5 \u0111\u1ed9ng; r\u1eeda \u2013 trung h\u00f2a \u0111\u00fang quy tr\u00ecnh an to\u00e0n. L\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p th\u1ee5 \u0111\u1ed9ng g\u1ed1c citric an to\u00e0n h\u01a1n khi ph\u00f9 h\u1ee3p.<br \/>\n6) Ki\u1ec3m tra: m\u00e0u b\u1ec1 m\u1eb7t \u0111\u1ed3ng nh\u1ea5t, test mu\u1ed1i \u0111i\u1ec3m t\u1ea1i ch\u1ed7 khi y\u00eau c\u1ea7u cao.<\/p>\n<h2 id=\"toc-5-nhung-hieu-lam-lien-quan-khac-rut-gon\">Nh\u1eefng hi\u1ec3u l\u1ea7m li\u00ean quan kh\u00e1c (r\u00fat g\u1ecdn)<\/h2>\n<p>&#8211; \u201cB\u1ec1 m\u1eb7t c\u00e0ng b\u00f3ng c\u00e0ng ch\u1ed1ng r\u1ec9\u201d: \u0110\u1ed9 nh\u1eb5n c\u00f3 l\u1ee3i cho v\u1ec7 sinh v\u00e0 gi\u1ea3m b\u00e1m b\u1ea9n, nh\u01b0ng ch\u1ecdn \u0111\u00fang m\u00e1c + thi\u1ebft k\u1ebf + b\u1ea3o tr\u00ec v\u1eabn l\u00e0 then ch\u1ed1t. 2B, BA, No.4\/Hairline, No.8 c\u00f3 m\u1ee5c \u0111\u00edch kh\u00e1c nhau.<br \/>\n&#8211; \u201cInox n\u00e0o c\u0169ng \u0111\u1ea1t chu\u1ea9n th\u1ef1c ph\u1ea9m\u201d: Th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c m\u00e1c, b\u1ec1 m\u1eb7t v\u00e0 quy tr\u00ecnh l\u00e0m s\u1ea1ch. 304\/316 \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i cho ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m; 430 d\u00f9ng \u0111\u01b0\u1ee3c cho \u1ee9ng d\u1ee5ng kh\u00f4, kh\u00f4ng \u0103n m\u00f2n.<\/p>\n<h2 id=\"toc-6-checklist-nhanh-truoc-khi-mua-lap-dat-inox\">Checklist nhanh tr\u01b0\u1edbc khi mua \u2013 l\u1eafp \u0111\u1eb7t inox<\/h2>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng: kh\u00f4\/\u1ea9m, c\u00f3 clorua\/ven bi\u1ec3n\/h\u00f3a ch\u1ea5t? \u2192 201 (kh\u00f4), 304 (\u1ea9m), 316 (clorua).<br \/>\n&#8211; K\u1ebft c\u1ea5u \u2013 t\u1ea3i: t\u00ednh ch\u1ecdn \u0111\u1ed9 d\u00e0y, \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng, nh\u1ecbp \u0111\u1ee1; ki\u1ec3m tra dung sai.<br \/>\n&#8211; Gia c\u00f4ng: y\u00eau c\u1ea7u h\u00e0n c\u00f3 back-purge? c\u00f3 t\u1ea9y \u2013 th\u1ee5 \u0111\u1ed9ng sau h\u00e0n?<br \/>\n&#8211; B\u1ec1 m\u1eb7t: 2B cho c\u00f4ng nghi\u1ec7p, No.4\/Hairline cho trang tr\u00ed, BA\/No.8 cho ho\u00e0n thi\u1ec7n cao.<br \/>\n&#8211; Ch\u1ee9ng t\u1eeb: CO, CQ, MTR; quy c\u00e1ch theo ASTM A240\/A554 (\u1ed1ng trang tr\u00ed), A312 (\u1ed1ng h\u00e0n c\u00f4ng nghi\u1ec7p)\u2026<br \/>\n&#8211; Ki\u1ec3m tra t\u1ea1i ch\u1ed7: c\u00e2n theo di\u1ec7n t\u00edch, \u0111o panme nhi\u1ec1u \u0111i\u1ec3m; kh\u00f4ng ph\u00e1n x\u00e9t b\u1eb1ng nam ch\u00e2m m\u1ed9t c\u00e1ch \u0111\u01a1n \u0111\u1ed9c.<\/p>\n<h2 id=\"toc-7-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A240\/A480 \u2013 Ti\u00eau chu\u1ea9n t\u1ea5m inox; ASTM A380\/A967 \u2013 L\u00e0m s\u1ea1ch v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau gia c\u00f4ng\/h\u00e0n.<br \/>\n&#8211; Nickel Institute \u2013 Stainless Steel and Corrosion Basics: nickelinstitute.org<br \/>\n&#8211; British Stainless Steel Association (BSSA) \u2013 Myths: bssa.org.uk<br \/>\n&#8211; Outokumpu \u2013 Selecting stainless steels guide: outokumpu.com<br \/>\n&#8211; AWS D1.6 \u2013 Structural Welding Code \u2013 Stainless Steel: aws.org<br \/>\n&#8211; ISSF \u2013 Guidelines for cleaning and maintenance of stainless steel: worldstainless.org<\/p>\n<h2 id=\"toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>5 l\u1ea7m t\u01b0\u1edfng ph\u1ed5 bi\u1ebfn \u2013 inox kh\u00f4ng bao gi\u1edd r\u1ec9, nam ch\u00e2m quy\u1ebft \u0111\u1ecbnh \u201cth\u1eadt\/gi\u1ea3\u201d, 201 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304, \u0111\u1ed9 d\u00e0y kh\u00f4ng quan tr\u1ecdng, h\u00e0n xong kh\u00f4ng c\u1ea7n x\u1eed l\u00fd \u2013 \u0111\u1ec1u d\u1eabn \u0111\u1ebfn l\u1ef1a ch\u1ecdn sai v\u00e0 chi ph\u00ed \u0111\u1ed9i l\u00ean. C\u1ed1t l\u00f5i l\u00e0: ch\u1ecdn \u0111\u00fang m\u00e1c theo m\u00f4i tr\u01b0\u1eddng, b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 d\u00e0y \u2013 dung sai, thi c\u00f4ng h\u00e0n \u0111\u00fang chu\u1ea9n v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1ec1 m\u1eb7t, \u0111\u1eebng \u0111\u00e1nh gi\u00e1 inox ch\u1ec9 b\u1eb1ng nam ch\u00e2m. L\u00e0m t\u1ed1t c\u00e1c \u0111i\u1ec3m n\u00e0y, b\u1ea1n s\u1ebd t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi v\u00e0 \u0111\u1ed9 tin c\u1eady cho c\u00f4ng tr\u00ecnh\/x\u01b0\u1edfng.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn m\u00e1c, \u0111\u1ed9 d\u00e0y v\u00e0 quy tr\u00ecnh h\u00e0n \u2013 x\u1eed l\u00fd ph\u00f9 h\u1ee3p \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf t\u1ea1i H\u00e0 N\u1ed9i v\u00e0 mi\u1ec1n B\u1eafc? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb 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>Gi\u1ea3i m\u00e3 5 l\u1ea7m t\u01b0\u1edfng l\u1edbn v\u1ec1 inox: v\u00ec sao inox v\u1eabn c\u00f3 th\u1ec3 r\u1ec9, nam ch\u00e2m kh\u00f4ng quy\u1ebft \u0111\u1ecbnh th\u1eadt gi\u1ea3, kh\u00e1c bi\u1ec7t 201\u2013304, ch\u1ecdn \u0111\u00fang \u0111\u1ed9 d\u00e0y v\u00e0 x\u1eed l\u00fd m\u1ed1i h\u00e0n.<\/p>\n","protected":false},"author":7,"featured_media":1004,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2002","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\/2002","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=2002"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2002\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1004"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}