{"id":1211,"date":"2025-10-22T00:33:46","date_gmt":"2025-10-21T17:33:46","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/ong-inox-trang-tri-do-day-do-bong-va-ung-dung-chuan-ky-thuat\/"},"modified":"2025-10-22T00:33:46","modified_gmt":"2025-10-21T17:33:46","slug":"ong-inox-trang-tri-do-day-do-bong-va-ung-dung-chuan-ky-thuat","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/ong-inox-trang-tri-do-day-do-bong-va-ung-dung-chuan-ky-thuat\/","title":{"rendered":"\u1ed0ng inox trang tr\u00ed: \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u00f3ng v\u00e0 \u1ee9ng d\u1ee5ng chu\u1ea9n k\u1ef9 thu\u1eadt"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-ong-inox-trang-tri-la-gi-va-tieu-chuan-nao-ap-dung\">\u1ed0ng inox trang tr\u00ed l\u00e0 g\u00ec v\u00e0 ti\u00eau chu\u1ea9n n\u00e0o \u00e1p d\u1ee5ng?<\/a><\/li>\n<li><a href=\"#toc-1-chon-mac-inox-201-304-316-hay-430\">Ch\u1ecdn m\u00e1c inox: 201, 304, 316 hay 430?<\/a><\/li>\n<li><a href=\"#toc-2-kich-thuoc-do-day-va-dung-sai-quan-trong\">K\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y v\u00e0 dung sai quan tr\u1ecdng<\/a><\/li>\n<li><a href=\"#toc-3-do-bonghoan-thien-be-mat-y-nghia-va-cach-chon\">\u0110\u1ed9 b\u00f3ng\/ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: \u00fd ngh\u0129a v\u00e0 c\u00e1ch ch\u1ecdn<\/a><\/li>\n<li><a href=\"#toc-4-goi-y-do-day-kich-thuoc-theo-hang-muc-thuc-te\">G\u1ee3i \u00fd \u0111\u1ed9 d\u00e0y \u2013 k\u00edch th\u01b0\u1edbc theo h\u1ea1ng m\u1ee5c th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-5-gia-cong-han-va-hoan-thien-de-giu-chuan-trang-tri\">Gia c\u00f4ng, h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n \u0111\u1ec3 gi\u1eef \u201cchu\u1ea9n trang tr\u00ed\u201d<\/a><\/li>\n<li><a href=\"#toc-6-bao-duong-va-tuoi-tho\">B\u1ea3o d\u01b0\u1ee1ng v\u00e0 tu\u1ed5i th\u1ecd<\/a><\/li>\n<li><a href=\"#toc-7-chi-phi-toi-uu-ngan-sach-theo-muc-tieu\">Chi ph\u00ed: t\u1ed1i \u01b0u ng\u00e2n s\u00e1ch theo m\u1ee5c ti\u00eau<\/a><\/li>\n<li><a href=\"#toc-8-checklist-mua-hang-cho-ky-sunha-thau\">Checklist mua h\u00e0ng cho k\u1ef9 s\u01b0\/nh\u00e0 th\u1ea7u<\/a><\/li>\n<li><a href=\"#toc-9-hoi-nhanh-dap-gon\">H\u1ecfi nhanh \u2013 \u0110\u00e1p g\u1ecdn<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>\u1ed0ng inox trang tr\u00ed l\u00e0 v\u1eadt li\u1ec7u ch\u1ee7 l\u1ef1c trong tay v\u1ecbn, lan can, khung n\u1ed9i ngo\u1ea1i th\u1ea5t v\u00e0 bi\u1ec3n hi\u1ec7u nh\u1edd th\u1ea9m m\u1ef9 cao v\u00e0 \u0111\u1ed9 b\u1ec1n. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 c\u00e1ch ch\u1ecdn \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u00f3ng, m\u00e1c inox ph\u00f9 h\u1ee3p v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf \u0111\u1ec3 b\u1ea1n thi c\u00f4ng hi\u1ec7u qu\u1ea3, t\u1ed1i \u01b0u chi ph\u00ed. Ch\u1ee7 \u0111\u1ec1 n\u00e0y c\u0169ng l\u00e0 m\u1ea3nh gh\u00e9p quan tr\u1ecdng trong c\u1ea9m nang v\u1ec1 \u1ed1ng\/h\u1ed9p inox n\u00f3i chung, nh\u01b0ng ch\u00fang ta t\u1eadp trung s\u00e2u v\u00e0o \u1ed1ng tr\u00f2n trang tr\u00ed.<\/p>\n<h2 id=\"toc-0-ong-inox-trang-tri-la-gi-va-tieu-chuan-nao-ap-dung\">\u1ed0ng inox trang tr\u00ed l\u00e0 g\u00ec v\u00e0 ti\u00eau chu\u1ea9n n\u00e0o \u00e1p d\u1ee5ng?<\/h2>\n<p>\u1ed0ng inox trang tr\u00ed l\u00e0 \u1ed1ng h\u00e0n (welded tube) d\u00f9ng cho m\u1ee5c \u0111\u00edch c\u01a1 kh\u00ed \u2013 th\u1ea9m m\u1ef9, b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n cao, dung sai ch\u1eb7t \u0111\u1ec3 l\u1eafp gh\u00e9p ch\u00ednh x\u00e1c. Ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn:<br \/>\n&#8211; ASTM A554: Welded Stainless Steel Mechanical Tubing \u2013 ti\u00eau chu\u1ea9n \u201cx\u01b0\u01a1ng s\u1ed1ng\u201d cho \u1ed1ng trang tr\u00ed, quy \u0111\u1ecbnh c\u1ea5p b\u1ec1 m\u1eb7t, dung sai k\u00edch th\u01b0\u1edbc, c\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u.<br \/>\n&#8211; EN 10296-2: \u1ed0ng h\u00e0n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 cho m\u1ee5c \u0111\u00edch c\u01a1 kh\u00ed (tham kh\u1ea3o khi d\u1ef1 \u00e1n theo EU).<br \/>\nTrong th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam, ph\u1ea7n l\u1edbn \u1ed1ng trang tr\u00ed th\u01b0\u01a1ng m\u1ea1i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t\/nh\u1eadp kh\u1ea9u theo ASTM A554.<\/p>\n<p>\u0110i\u1ec3m nh\u1eadn di\u1ec7n \u1ed1ng trang tr\u00ed \u0111\u1ea1t chu\u1ea9n:<br \/>\n&#8211; B\u1ec1 m\u1eb7t \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng s\u1ecdc m\u00e0i s\u00e2u, kh\u00f4ng r\u1ed7\/\u0111\u1ed1m tr\u00ean v\u00f9ng h\u00e0n.<br \/>\n&#8211; M\u1ed1i h\u00e0n d\u1ecdc \u0111\u01b0\u1ee3c n\u1eafn ph\u1eb3ng (bead rolled) v\u00e0 x\u1eed l\u00fd axit\/passivation.<br \/>\n&#8211; C\u00f3 m\u00e0ng film b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t b\u00f3ng g\u01b0\u01a1ng\/HL; ghi r\u00f5 m\u00e1c th\u00e9p, k\u00edch th\u01b0\u1edbc, l\u00f4.<\/p>\n<h2 id=\"toc-1-chon-mac-inox-201-304-316-hay-430\">Ch\u1ecdn m\u00e1c inox: 201, 304, 316 hay 430?<\/h2>\n<p>M\u1ed7i m\u00e1c c\u00f3 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. L\u1ef1a ch\u1ecdn sai m\u00e1c l\u00e0 nguy\u00ean nh\u00e2n s\u1ed1 m\u1ed9t g\u00e2y \u1ed1 v\u00e0ng, r\u1ec9 s\u00e9t s\u1edbm.<\/p>\n<p>&#8211; Inox 201 (Cr\u2013Mn\u2013Ni th\u1ea5p):<br \/>\n  &#8211; \u01afu: Gi\u00e1 t\u1ed1t, c\u1ee9ng b\u1ec1 m\u1eb7t cao, ph\u00f9 h\u1ee3p n\u1ed9i th\u1ea5t kh\u00f4.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Ch\u1ed1ng \u0103n m\u00f2n k\u00e9m h\u01a1n; d\u1ec5 \u1ed1 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, h\u00f3a ch\u1ea5t, ven bi\u1ec3n.<br \/>\n  &#8211; D\u00f9ng khi: N\u1ed9i th\u1ea5t kh\u00f4, bi\u1ec3n hi\u1ec7u trong nh\u00e0, tay v\u1ecbn trong trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<p>&#8211; Inox 304 (18Cr-8Ni, austenitic):<br \/>\n  &#8211; \u01afu: C\u00e2n b\u1eb1ng gi\u1eefa b\u1ec1n \u2013 \u0111\u1eb9p \u2013 ch\u1ed1ng \u0103n m\u00f2n; l\u1ef1a ch\u1ecdn \u201cchu\u1ea9n\u201d x\u00e2y d\u1ef1ng.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Gi\u00e1 cao h\u01a1n 201.<br \/>\n  &#8211; D\u00f9ng khi: Lan can, tay v\u1ecbn ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb, khu d\u00e2n c\u01b0, \u1ed1p trang tr\u00ed thang m\u00e1y, nh\u00e0 h\u00e0ng.<\/p>\n<p>&#8211; Inox 316\/316L (Mo t\u0103ng c\u01b0\u1eddng ch\u1ed1ng r\u1ed7):<br \/>\n  &#8211; \u01afu: Ch\u1ed1ng \u0103n m\u00f2n clorua v\u01b0\u1ee3t tr\u1ed9i; b\u1ec1n m\u00e0u \u1edf ven bi\u1ec3n, h\u1ed3 b\u01a1i n\u01b0\u1edbc m\u1eb7n.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Gi\u00e1 cao.<br \/>\n  &#8211; D\u00f9ng khi: C\u00f4ng tr\u00ecnh ven bi\u1ec3n, b\u1ebfn du thuy\u1ec1n, khu h\u1ed3 b\u01a1i, m\u1eb7t ti\u1ec1n phun n\u01b0\u1edbc.<\/p>\n<p>&#8211; Inox 430 (ferritic, c\u00f3 t\u1eeb t\u00ednh):<br \/>\n  &#8211; \u01afu: Gi\u00e1 th\u1ea5p, b\u1ec1 m\u1eb7t b\u00f3ng g\u01b0\u01a1ng\/PVD \u0111\u1eb9p trong nh\u00e0 kh\u00f4.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: Ch\u1ed1ng \u0103n m\u00f2n k\u00e9m; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho ngo\u00e0i tr\u1eddi.<br \/>\n  &#8211; D\u00f9ng khi: Trang tr\u00ed n\u1ed9i th\u1ea5t kh\u00f4, \u1ed1p gi\u1ea3 inox, chi ti\u1ebft kh\u00f4ng ti\u1ebfp x\u00fac tay th\u01b0\u1eddng xuy\u00ean.<\/p>\n<p>G\u1ee3i \u00fd nhanh:<br \/>\n&#8211; Trong nh\u00e0 kh\u00f4: 201\/430 (ti\u1ebft ki\u1ec7m) ho\u1eb7c 304 (b\u1ec1n h\u01a1n, \u00edt b\u1ea3o tr\u00ec).<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb: 304.<br \/>\n&#8211; Ven bi\u1ec3n\/h\u1ed3 b\u01a1i: 316\/316L.<\/p>\n<h2 id=\"toc-2-kich-thuoc-do-day-va-dung-sai-quan-trong\">K\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y v\u00e0 dung sai quan tr\u1ecdng<\/h2>\n<p>\u1ed0ng inox trang tr\u00ed c\u00f3 d\u1ea3i k\u00edch th\u01b0\u1edbc r\u1ea5t r\u1ed9ng. C\u00e1c c\u1ee1 th\u00f4ng d\u1ee5ng:<br \/>\n&#8211; \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD): 9.5, 12.7, 19.1, 25.4, 31.8, 38.1, 50.8, 63.5 mm\u2026<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y: 0.5\u20132.0 mm cho h\u1ea7u h\u1ebft nhu c\u1ea7u trang tr\u00ed; n\u1eb7ng t\u1ea3i c\u00f3 th\u1ec3 \u0111\u1ebfn 2.5\u20133.0 mm.<br \/>\n&#8211; Chi\u1ec1u d\u00e0i thanh: 6.0 m chu\u1ea9n; c\u00f3 th\u1ec3 c\u1eaft theo y\u00eau c\u1ea7u.<\/p>\n<p>Dung sai \u0111i\u1ec3n h\u00ecnh theo ASTM A554 (mang t\u00ednh tham kh\u1ea3o nh\u00e0 s\u1ea3n xu\u1ea5t):<br \/>\n&#8211; OD: dung sai nh\u1ecf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1eafp k\u1eb9p\/\u0111\u1ea7u b\u1ecbt; y\u00eau c\u1ea7u th\u01b0\u1eddng th\u1ea5y \u00b10.2 mm cho OD \u2264 38.1 mm; \u00b10.3\u20130.5 mm cho c\u1ee1 l\u1edbn.<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y: dung sai \u00e2m ph\u1ed5 bi\u1ebfn (kho\u1ea3ng \u221210%); ki\u1ec3m tra th\u1ef1c t\u1ebf b\u1eb1ng th\u01b0\u1edbc panme.<br \/>\n&#8211; \u0110\u1ed9 \u00f4van: h\u1ea1n ch\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1edbp n\u1ed1i; ch\u1ecdn nh\u00e0 cung c\u1ea5p c\u00f3 ki\u1ec3m so\u00e1t \u00f4van <50% dung sai OD.\n\nM\u1eb9o ki\u1ec3m tra nhanh khi nh\u1eadp h\u00e0ng:\n- \u0110o OD \u1edf 3 v\u1ecb tr\u00ed kh\u00e1c nhau, xoay 90\u00b0 \u0111\u1ec3 ki\u1ec3m tra \u00f4van.\n- \u0110o \u0111\u1ed9 d\u00e0y c\u1ea3 t\u1ea1i v\u00f9ng m\u1ed1i h\u00e0n v\u00e0 \u0111\u1ed1i di\u1ec7n m\u1ed1i h\u00e0n.\n- Soi b\u1ec1 m\u1eb7t d\u01b0\u1edbi \u00e1nh s\u00e1ng d\u00e0i \u0111\u1ec3 ph\u00e1t hi\u1ec7n \u201cs\u00f3ng\u201d m\u00e0i ho\u1eb7c s\u1ecdc.\n\n\n\n<h2 id=\"toc-3-do-bonghoan-thien-be-mat-y-nghia-va-cach-chon\">\u0110\u1ed9 b\u00f3ng\/ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: \u00fd ngh\u0129a v\u00e0 c\u00e1ch ch\u1ecdn<\/h2>\n<p>B\u1ec1 m\u1eb7t quy\u1ebft \u0111\u1ecbnh th\u1ea9m m\u1ef9, c\u1ea3m gi\u00e1c ch\u1ea1m v\u00e0 kh\u1ea3 n\u0103ng b\u00e1m b\u1ea9n. C\u00e1c ho\u00e0n thi\u1ec7n ph\u1ed5 bi\u1ebfn:<\/p>\n<p>&#8211; 2B: B\u1ec1 m\u1eb7t c\u00e1n ngu\u1ed9i ti\u00eau chu\u1ea9n, m\u1edd nh\u1eb9; \u00edt d\u00f9ng l\u1ed9 thi\u00ean cho trang tr\u00ed, th\u01b0\u1eddng l\u00e0m n\u1ec1n \u0111\u1ec3 m\u00e0i No.4\/HL.<br \/>\n&#8211; BA (Bright Annealed): S\u00e1ng b\u00f3ng nh\u1edd \u1ee7 s\u00e1ng; ph\u1ea3n x\u1ea1 t\u1ed1t h\u01a1n 2B; d\u00f9ng cho n\u1ed9i th\u1ea5t y\u00eau c\u1ea7u s\u1ea1ch, hi\u1ec7n \u0111\u1ea1i.<br \/>\n&#8211; No.4\/Satin: \u0110\u01b0\u1eddng m\u00e0i ng\u1eafn, m\u1ecbn; \u00edt l\u1ed9 v\u1ebft tay; h\u1ee3p tay v\u1ecbn c\u00f4ng c\u1ed9ng, c\u1eeda thang m\u00e1y.<br \/>\n&#8211; Hairline (HL): V\u00e2n d\u00e0i li\u00ean t\u1ee5c, sang tr\u1ecdng; che x\u01b0\u1edbc v\u1eb7t t\u1ed1t; h\u1ee3p \u1ed1p trang tr\u00ed, c\u1ed9t, tay v\u1ecbn cao c\u1ea5p.<br \/>\n&#8211; 8K\/Mirror: B\u00f3ng g\u01b0\u01a1ng nh\u01b0 g\u01b0\u01a1ng soi; th\u1ea9m m\u1ef9 cao nh\u01b0ng d\u1ec5 th\u1ea5y v\u1ebft tay\/x\u01b0\u1edbc; c\u1ea7n b\u1ea3o d\u01b0\u1ee1ng nh\u1eb9 th\u01b0\u1eddng xuy\u00ean.<br \/>\n&#8211; Bead-blast (phun c\u00e1t\/h\u1ea1t th\u1ee7y tinh): Nh\u00e1m m\u1ecbn, ch\u1ed1ng ch\u00f3i; n\u00ean d\u00f9ng 304\/316 v\u00e0 x\u1eed l\u00fd passivation t\u1ed1t.<br \/>\n&#8211; PVD m\u00e0u (TiN, TiCN, TiAlN\u2026): V\u00e0ng, v\u00e0ng h\u1ed3ng, \u0111en, \u0111\u1ed3ng\u2026; t\u0103ng ch\u1ed1ng x\u01b0\u1edbc b\u1ec1 m\u1eb7t; n\u00ean d\u00f9ng n\u1ec1n 304\/316 \u0111\u1ec3 b\u1ec1n m\u00e0u.<\/p>\n<p>Ch\u1ec9 s\u1ed1 nh\u00e1m b\u1ec1 m\u1eb7t (Ra, tham kh\u1ea3o):<br \/>\n&#8211; 8K: Ra ~0.02\u20130.05 \u00b5m<br \/>\n&#8211; BA: Ra ~0.05\u20130.15 \u00b5m<br \/>\n&#8211; No.4\/HL: Ra ~0.3\u20130.6 \u00b5m<br \/>\nRa c\u00e0ng th\u1ea5p c\u00e0ng b\u00f3ng; Ra cao h\u01a1n che v\u1ebft x\u01b0\u1edbc v\u00e0 d\u1ea5u tay t\u1ed1t h\u01a1n.<\/p>\n<p>Ch\u1ecdn \u0111\u1ed9 b\u00f3ng theo \u1ee9ng d\u1ee5ng:<br \/>\n&#8211; Tay v\u1ecbn c\u00f4ng c\u1ed9ng: No.4 ho\u1eb7c HL (\u00edt b\u00e1m v\u00e2n tay, b\u1ec1n).<br \/>\n&#8211; Khung bi\u1ec3n hi\u1ec7u n\u1ed9i th\u1ea5t: HL\/8K t\u00f9y phong c\u00e1ch; n\u1ebfu 8K, d\u00e1n film b\u1ea3o v\u1ec7 khi thi c\u00f4ng.<br \/>\n&#8211; M\u1eb7t ti\u1ec1n sang tr\u1ecdng: HL + PVD m\u00e0u ho\u1eb7c 8K + PVD; d\u00f9ng 304\/316 \u0111\u1ec3 gi\u1eef m\u00e0u.<br \/>\n&#8211; Khu \u1ea9m\/ven bi\u1ec3n: Tr\u00e1nh bead-blast n\u1ebfu kh\u00f4ng passivation k\u1ef9; \u01b0u ti\u00ean HL\/No.4 tr\u00ean 316.<\/p>\n<h2 id=\"toc-4-goi-y-do-day-kich-thuoc-theo-hang-muc-thuc-te\">G\u1ee3i \u00fd \u0111\u1ed9 d\u00e0y \u2013 k\u00edch th\u01b0\u1edbc theo h\u1ea1ng m\u1ee5c th\u1ef1c t\u1ebf<\/h2>\n<p>C\u00e1c khuy\u1ebfn ngh\u1ecb sau d\u1ef1a tr\u00ean kinh nghi\u1ec7m thi c\u00f4ng ph\u1ed5 bi\u1ebfn, nh\u1eb1m c\u00e2n b\u1eb1ng th\u1ea9m m\u1ef9 \u2013 t\u1ea3i tr\u1ecdng \u2013 chi ph\u00ed. \u0110i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf (nh\u1ecbp, \u0111i\u1ec3m li\u00ean k\u1ebft, ti\u00eau chu\u1ea9n d\u1ef1 \u00e1n) c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n<p>&#8211; Tay v\u1ecbn trong nh\u00e0 (trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i, v\u0103n ph\u00f2ng):<br \/>\n  &#8211; \u1ed0ng ch\u00ednh: \u00d838.1 \u00d7 1.2\u20131.5 mm (304\/201); b\u1ec1 m\u1eb7t No.4\/HL.<br \/>\n  &#8211; Kho\u1ea3ng c\u00e1ch \u0111\u1ee1 tay v\u1ecbn: 1.2\u20131.5 m.<br \/>\n&#8211; Tay v\u1ecbn\/lan can ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb:<br \/>\n  &#8211; \u1ed0ng ch\u00ednh: \u00d850.8 \u00d7 1.5\u20132.0 mm (304); tr\u1ee5 \u0111\u1ee1 c\u00f3 th\u1ec3 d\u00f9ng h\u1ed9p\/\u1ed1ng 2.0\u20133.0 mm.<br \/>\n  &#8211; Nh\u1ecbp tr\u1ee5: \u22641.2 m; li\u00ean k\u1ebft n\u1edf \u2013 ch\u00e2n \u0111\u1ebf inox 304 \u0111\u00fac.<br \/>\n&#8211; Khu c\u00f4ng c\u1ed9ng t\u1ea3i cao (s\u00e2n v\u1eadn \u0111\u1ed9ng, nh\u00e0 ga):<br \/>\n  &#8211; \u1ed0ng ch\u00ednh: \u00d850.8\u201363.5 \u00d7 2.0 mm (304\/316).<br \/>\n  &#8211; Nh\u1ecbp tr\u1ee5: 0.9\u20131.0 m.<br \/>\n&#8211; Ven bi\u1ec3n\/h\u1ed3 b\u01a1i n\u01b0\u1edbc m\u1eb7n:<br \/>\n  &#8211; \u1ed0ng ch\u00ednh: \u00d850.8 \u00d7 1.5\u20132.0 mm (316\/316L); ho\u00e0n thi\u1ec7n HL\/No.4.<br \/>\n  &#8211; B\u1eaft bu\u1ed9c passivation sau h\u00e0n; v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 b\u1eb1ng n\u01b0\u1edbc ng\u1ecdt.<br \/>\n&#8211; Khung bi\u1ec3n qu\u1ea3ng c\u00e1o, kiosk n\u1ed9i th\u1ea5t:<br \/>\n  &#8211; \u00d819.1\u201331.8 \u00d7 0.8\u20131.2 mm (201\/304); BA ho\u1eb7c HL.<br \/>\n&#8211; \u1ed0p c\u1ed9t\/trang tr\u00ed m\u1eb7t ti\u1ec1n cao c\u1ea5p:<br \/>\n  &#8211; \u00d850.8\u2013114.3 \u00d7 1.0\u20131.5 mm (304\/316); 8K ho\u1eb7c HL + PVD.<\/p>\n<p>Quy t\u1eafc th\u1ef1c h\u00e0nh:<br \/>\n&#8211; Nh\u1ecbp c\u00e0ng l\u1edbn \u2192 t\u0103ng \u00d8 ho\u1eb7c t\u0103ng \u0111\u1ed9 d\u00e0y.<br \/>\n&#8211; T\u1ea3i va \u0111\u1eadp\/c\u00f4ng c\u1ed9ng \u2192 \u01b0u ti\u00ean \u0111\u1ed9 d\u00e0y \u22651.5 mm v\u00e0 m\u00e1c 304\/316.<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u2192 tr\u00e1nh 201\/430 n\u1ebfu kh\u00f4ng c\u00f3 m\u00e1i che v\u00e0 b\u1ea3o d\u01b0\u1ee1ng k\u1ef9.<\/p>\n<h2 id=\"toc-5-gia-cong-han-va-hoan-thien-de-giu-chuan-trang-tri\">Gia c\u00f4ng, h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n \u0111\u1ec3 gi\u1eef \u201cchu\u1ea9n trang tr\u00ed\u201d<\/h2>\n<p>&#8211; C\u1eaft: D\u00f9ng l\u01b0\u1ee1i c\u1eaft inox chuy\u00ean d\u1ee5ng; b\u1ea3o v\u1ec7 m\u1eb7t b\u1eb1ng b\u0103ng d\u00ednh gi\u1ea5y; che b\u1ec1 m\u1eb7t b\u1eb1ng film.<br \/>\n&#8211; H\u00e0n: TIG v\u1edbi d\u00e2y h\u00e0n ph\u00f9 h\u1ee3p (ER308L cho 304, ER316L cho 316); d\u00f2ng th\u1ea5p, h\u1ed3 quang \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 gi\u1ea3m bi\u1ebfn m\u00e0u.<br \/>\n&#8211; X\u1eed l\u00fd sau h\u00e0n:<br \/>\n  &#8211; M\u00e0i ph\u1eb3ng m\u1ed1i h\u00e0n theo c\u00f9ng h\u01b0\u1edbng v\u1edbi v\u00e2n HL\/No.4.<br \/>\n  &#8211; T\u1ea9y m\u1ed1i h\u00e0n b\u1eb1ng gel\/nh\u00e3o pickling, r\u1eeda s\u1ea1ch, passivation \u0111\u1ec3 t\u00e1i t\u1ea1o l\u1edbp oxit Cr.<br \/>\n&#8211; Lau b\u00f3ng\/b\u1ea3o v\u1ec7: D\u00f9ng h\u00f3a ch\u1ea5t v\u1ec7 sinh inox pH trung t\u00ednh; tr\u00e1nh b\u1ed9t m\u00e0i m\u1ea1nh tr\u00ean 8K\/PVD.<br \/>\n&#8211; L\u1eafp \u0111\u1eb7t: Tr\u00e1nh ti\u1ebfp x\u00fac ch\u00e9o v\u1edbi s\u1eaft th\u00e9p \u0111en (b\u1ee5i Fe g\u00e2y r\u1ec9 n\u00e2u); d\u00f9ng \u0111\u1ec7m nylon\/EPDM t\u1ea1i g\u1ed1i \u0111\u1ee1.<\/p>\n<h2 id=\"toc-6-bao-duong-va-tuoi-tho\">B\u1ea3o d\u01b0\u1ee1ng v\u00e0 tu\u1ed5i th\u1ecd<\/h2>\n<p>&#8211; L\u00e0m s\u1ea1ch \u0111\u1ecbnh k\u1ef3:<br \/>\n  &#8211; Trong nh\u00e0: 1\u20133 th\u00e1ng\/l\u1ea7n b\u1eb1ng kh\u0103n \u1ea9m + ch\u1ea5t t\u1ea9y nh\u1eb9.<br \/>\n  &#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb: 1\u20132 th\u00e1ng\/l\u1ea7n, ch\u00fa \u00fd v\u00f9ng n\u01b0\u1edbc m\u01b0a \u0111\u1ecdng.<br \/>\n  &#8211; Ven bi\u1ec3n\/h\u1ed3 b\u01a1i: X\u1ea3 n\u01b0\u1edbc ng\u1ecdt h\u00e0ng tu\u1ea7n; v\u1ec7 sinh h\u00e0ng th\u00e1ng b\u1eb1ng dung d\u1ecbch ki\u1ec1m nh\u1eb9.<br \/>\n&#8211; Tr\u00e1nh: Clo \u0111\u1eadm \u0111\u1eb7c, axit m\u1ea1nh, ch\u1ea5t t\u1ea9y r\u1eeda ch\u1ee9a halogen; ch\u00fang g\u00e2y r\u1ed7\/ch\u00e1y b\u1ec1 m\u1eb7t.<br \/>\n&#8211; PVD: B\u1ec1n v\u1edbi th\u1eddi ti\u1ebft, nh\u01b0ng tr\u00e1nh c\u1ecd x\u00e1t kim lo\u1ea1i; v\u1ec7 sinh b\u1eb1ng kh\u0103n m\u1ec1m, kh\u00f4ng d\u00f9ng b\u1ed9t m\u00e0i.<\/p>\n<h2 id=\"toc-7-chi-phi-toi-uu-ngan-sach-theo-muc-tieu\">Chi ph\u00ed: t\u1ed1i \u01b0u ng\u00e2n s\u00e1ch theo m\u1ee5c ti\u00eau<\/h2>\n<p>&#8211; Ch\u00eanh l\u1ec7ch m\u00e1c:<br \/>\n  &#8211; 201 r\u1ebb h\u01a1n 304 kho\u1ea3ng 20\u201335% (t\u00f9y th\u1eddi \u0111i\u1ec3m).<br \/>\n  &#8211; 316 cao h\u01a1n 304 kho\u1ea3ng 25\u201350%.<br \/>\n&#8211; Ch\u00eanh l\u1ec7ch ho\u00e0n thi\u1ec7n:<br \/>\n  &#8211; No.4\/HL \u2248 n\u1ec1n t\u1ea3ng ph\u1ed5 bi\u1ebfn.<br \/>\n  &#8211; 8K t\u0103ng chi ph\u00ed do \u0111\u00e1nh b\u00f3ng nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n.<br \/>\n  &#8211; PVD c\u1ed9ng th\u00eam \u0111\u00e1ng k\u1ec3 cho m\u1ed7i m\u00e9t, \u0111\u1ed5i l\u1ea1i \u0111\u1ed9 b\u1ec1n m\u00e0u v\u00e0 ch\u1ed1ng x\u01b0\u1edbc t\u1ed1t h\u01a1n.<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y\/\u0111\u01b0\u1eddng k\u00ednh: T\u0103ng \u0111\u1ed9 d\u00e0y th\u00eam 0.3 mm c\u00f3 th\u1ec3 l\u00e0m t\u0103ng tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed \u0111\u00e1ng k\u1ec3; c\u00e2n b\u1eb1ng theo nh\u1ecbp v\u00e0 t\u1ea3i.<\/p>\n<p>L\u1eddi khuy\u00ean:<br \/>\n&#8211; \u01afu ti\u00ean 304\/No.4 cho ngo\u00e0i tr\u1eddi n\u00f3i chung: t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi th\u1ea5p.<br \/>\n&#8211; D\u1ef1 \u00e1n bi\u1ec3u t\u01b0\u1ee3ng: 304\/316 + HL\/8K + PVD, d\u1ef1 to\u00e1n ri\u00eang cho b\u1ea3o d\u01b0\u1ee1ng.<\/p>\n<h2 id=\"toc-8-checklist-mua-hang-cho-ky-sunha-thau\">Checklist mua h\u00e0ng cho k\u1ef9 s\u01b0\/nh\u00e0 th\u1ea7u<\/h2>\n<p>&#8211; Ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u: M\u00e1c, ti\u00eau chu\u1ea9n ASTM A554, c\u01a1 t\u00ednh, \u0111\u1ed9 c\u1ee9ng.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc\/dung sai: OD, \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 \u00f4van, chi\u1ec1u d\u00e0i; k\u00e8m m\u1eabu \u0111o th\u1ef1c t\u1ebf.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: M\u1eabu ho\u00e0n thi\u1ec7n c\u00f9ng l\u00f4; film b\u1ea3o v\u1ec7 c\u00f2n nguy\u00ean.<br \/>\n&#8211; M\u1ed1i h\u00e0n: \u0110\u01b0\u1ee3c n\u1eafn ph\u1eb3ng, kh\u00f4ng r\u1ed7; c\u00f3 x\u1eed l\u00fd passivation.<br \/>\n&#8211; Th\u1eed nhanh m\u00e1c:<br \/>\n  &#8211; Nam ch\u00e2m ch\u1ec9 l\u00e0 tham kh\u1ea3o (304 \u0111\u00f4i khi h\u01a1i h\u00fat nh\u1eb9 \u1edf v\u00f9ng h\u00e0n); x\u00e1c nh\u1eadn b\u1eb1ng ch\u1ee9ng ch\u1ec9 ho\u1eb7c ki\u1ec3m tra h\u00f3a h\u1ecdc nhanh khi c\u1ea7n.<br \/>\n&#8211; H\u1eadu m\u00e3i: Ch\u00ednh s\u00e1ch \u0111\u1ed5i tr\u1ea3 khi b\u1ec1 m\u1eb7t l\u1ed7i, h\u1ed7 tr\u1ee3 c\u1eaft\/\u0111\u00e1nh b\u00f3ng theo y\u00eau c\u1ea7u.<\/p>\n<h2 id=\"toc-9-hoi-nhanh-dap-gon\">H\u1ecfi nhanh \u2013 \u0110\u00e1p g\u1ecdn<\/h2>\n<h3>\u1ed0ng 201 c\u00f3 d\u00f9ng ngo\u00e0i tr\u1eddi \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng khuy\u1ebfn ngh\u1ecb. 201 d\u1ec5 \u1ed1 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m\/\u00f4 nhi\u1ec5m. N\u1ebfu b\u1eaft bu\u1ed9c, ph\u1ea3i c\u00f3 m\u00e1i che, v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean; t\u1ed1t nh\u1ea5t ch\u1ecdn 304.<\/p>\n<h3>8K hay HL b\u1ec1n h\u01a1n?<\/h3>\n<p>\u0110\u1ed9 b\u1ec1n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1ec1 v\u1eadt li\u1ec7u; HL che x\u01b0\u1edbc v\u00e0 d\u1ea5u tay t\u1ed1t h\u01a1n n\u00ean nh\u00ecn \u201cb\u1ec1n \u0111\u1eb9p\u201d h\u01a1n trong v\u1eadn h\u00e0nh. 8K y\u00eau c\u1ea7u b\u1ea3o d\u01b0\u1ee1ng k\u1ef9 v\u00e0 tr\u00e1nh c\u1ecd x\u00e1t.<\/p>\n<h3>PVD c\u00f3 ch\u1ed1ng r\u1ec9 kh\u00f4ng?<\/h3>\n<p>PVD l\u00e0 l\u1edbp ph\u1ee7 m\u1ecfng t\u0103ng ch\u1ed1ng x\u01b0\u1edbc\/\u0103n m\u00f2n b\u1ec1 m\u1eb7t, nh\u01b0ng kh\u00f4ng thay th\u1ebf m\u00e1c n\u1ec1n. D\u00f9ng n\u1ec1n 304\/316 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n t\u1ed5ng th\u1ec3.<\/p>\n<h3>C\u00f3 c\u1ea7n passivation sau h\u00e0n?<\/h3>\n<p>C\u00f3. Passivation kh\u00f4i ph\u1ee5c l\u1edbp oxit crom b\u1ea3o v\u1ec7, gi\u1ea3m nguy c\u01a1 \u1ed1 v\u00e0ng\/r\u1ed7 \u1edf m\u1ed1i h\u00e0n, \u0111\u1eb7c bi\u1ec7t cho ngo\u00e0i tr\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f3 clorua.<\/p>\n<h2 id=\"toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110\u1ec3 \u1ed1ng inox trang tr\u00ed \u0111\u1ea1t \u201c\u0111\u1eb9p \u2013 b\u1ec1n \u2013 t\u1ed1i \u01b0u chi ph\u00ed\u201d, h\u00e3y:<br \/>\n&#8211; Ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng: 201\/430 cho n\u1ed9i th\u1ea5t kh\u00f4; 304 cho ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb; 316 cho ven bi\u1ec3n\/h\u1ed3 b\u01a1i.<br \/>\n&#8211; Ch\u1ecdn \u0111\u1ed9 d\u00e0y theo t\u1ea3i v\u00e0 nh\u1ecbp: tay v\u1ecbn trong nh\u00e0 1.2\u20131.5 mm; ngo\u00e0i tr\u1eddi\/c\u00f4ng c\u1ed9ng 1.5\u20132.0 mm tr\u1edf l\u00ean.<br \/>\n&#8211; Ch\u1ecdn b\u1ec1 m\u1eb7t theo v\u1eadn h\u00e0nh: No.4\/HL cho c\u00f4ng c\u1ed9ng; 8K\/PVD cho \u0111i\u1ec3m nh\u1ea5n cao c\u1ea5p.<br \/>\n&#8211; Thi c\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt: TIG, m\u00e0i theo v\u00e2n, pickling &#038; passivation, b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t khi l\u1eafp.<br \/>\n&#8211; B\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>L\u00e0m \u0111\u00fang c\u00e1c nguy\u00ean t\u1eafc tr\u00ean, \u1ed1ng inox trang tr\u00ed s\u1ebd gi\u1eef \u0111\u01b0\u1ee3c th\u1ea9m m\u1ef9 l\u00e2u d\u00e0i, an to\u00e0n khai th\u00e1c v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi t\u1ed1i \u01b0u cho c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn \u1ed1ng inox trang tr\u00ed \u0111\u00fang \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u00f3ng, m\u00e1c 201\/304\/316 theo ASTM A554; k\u00e8m khuy\u1ebfn ngh\u1ecb k\u00edch th\u01b0\u1edbc, \u1ee9ng d\u1ee5ng v\u00e0 m\u1eb9o gia c\u00f4ng.<\/p>\n","protected":false},"author":7,"featured_media":1022,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1211","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\/1211","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=1211"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1211\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1022"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}