{"id":1666,"date":"2026-02-12T12:34:09","date_gmt":"2026-02-12T05:34:09","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/ong-inox-trang-tri-do-day-do-bong-tieu-chuan-ung-dung-thuc-te\/"},"modified":"2026-02-12T12:34:09","modified_gmt":"2026-02-12T05:34:09","slug":"ong-inox-trang-tri-do-day-do-bong-tieu-chuan-ung-dung-thuc-te","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/ong-inox-trang-tri-do-day-do-bong-tieu-chuan-ung-dung-thuc-te\/","title":{"rendered":"\u1ed0ng inox trang tr\u00ed: \u0110\u1ed9 d\u00e0y, \u0111\u1ed9 b\u00f3ng, ti\u00eau chu\u1ea9n &#038; \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf"},"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-khac-gi-ong-cong-nghiepon\">\u1ed0ng inox trang tr\u00ed l\u00e0 g\u00ec? Kh\u00e1c g\u00ec \u1ed1ng c\u00f4ng nghi\u1ec7p\/\u1ed1ng \u00e1p l\u1ef1c<\/a><\/li>\n<li><a href=\"#toc-1-tieu-chuan-mac-thep-pho-bien-tai-viet-nam\">Ti\u00eau chu\u1ea9n &#038; m\u00e1c th\u00e9p ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-2-do-day-ong-inox-trang-tri-chon-bao-nhieu-la-hop-ly\">\u0110\u1ed9 d\u00e0y \u1ed1ng inox trang tr\u00ed: ch\u1ecdn bao nhi\u00eau l\u00e0 h\u1ee3p l\u00fd?<\/a><\/li>\n<li><a href=\"#toc-3-do-bongbe-mat-phan-loai-so-sanh-va-cach-chon\">\u0110\u1ed9 b\u00f3ng\/b\u1ec1 m\u1eb7t: ph\u00e2n lo\u1ea1i, so s\u00e1nh v\u00e0 c\u00e1ch ch\u1ecdn<\/a><\/li>\n<li><a href=\"#toc-4-kich-co-ong-trang-tri-ban-chay-tai-viet-nam\">K\u00edch c\u1ee1 \u1ed1ng trang tr\u00ed b\u00e1n ch\u1ea1y t\u1ea1i Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-5-gia-cong-thi-cong-de-ben-dep-an-toan\">Gia c\u00f4ng &#038; thi c\u00f4ng \u0111\u1ec3 \u201cb\u1ec1n \u2013 \u0111\u1eb9p \u2013 an to\u00e0n\u201d<\/a><\/li>\n<li><a href=\"#toc-6-ung-dung-thuc-te-theo-moi-truong\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf theo m\u00f4i tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-7-kiem-tra-chat-luong-meo-chon-mua-tai-viet-nam\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng &#038; m\u1eb9o ch\u1ecdn mua t\u1ea1i Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-8-hoi-nhanh-dap-gon\">H\u1ecfi nhanh \u2013 \u0111\u00e1p g\u1ecdn<\/a><\/li>\n<li><a href=\"#toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>\u1ed0ng inox trang tr\u00ed l\u00e0 nh\u00f3m \u1ed1ng h\u00e0n (welded) d\u00f9ng cho m\u1ee5c \u0111\u00edch th\u1ea9m m\u1ef9 \u2013 lan can, tay v\u1ecbn, c\u1eeda c\u1ed5ng, n\u1ed9i th\u1ea5t, bi\u1ec3n b\u1ea3ng \u2013 v\u1edbi y\u00eau c\u1ea7u cao v\u1ec1 b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng cho k\u1ebft c\u1ea5u nh\u1eb9. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 t\u1eeb \u0111\u1ed9 d\u00e0y t\u1ed1i \u01b0u, m\u1ee9c \u0111\u1ed9 b\u00f3ng\/ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, m\u00e1c th\u00e9p, ti\u00eau chu\u1ea9n \u0111\u1ebfn h\u01b0\u1edbng d\u1eabn ch\u1ecdn mua v\u00e0 thi c\u00f4ng th\u1ef1c t\u1ebf. Ch\u1ee7 \u0111\u1ec1 n\u00e0y l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong b\u1ee9c tranh l\u1edbn v\u1ec1 \u1ed1ng\/h\u1ed9p inox \u2013 n\u01a1i ph\u00e2n lo\u1ea1i, ti\u00eau chu\u1ea9n v\u00e0 \u1ee9ng d\u1ee5ng quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n, chi ph\u00ed v\u00e0 t\u00ednh th\u1ea9m m\u1ef9 c\u00f4ng tr\u00ecnh.<\/p>\n<h2 id=\"toc-0-ong-inox-trang-tri-la-gi-khac-gi-ong-cong-nghiepon\">\u1ed0ng inox trang tr\u00ed l\u00e0 g\u00ec? Kh\u00e1c g\u00ec \u1ed1ng c\u00f4ng nghi\u1ec7p\/\u1ed1ng \u00e1p l\u1ef1c<\/h2>\n<p>&#8211; K\u1ebft c\u1ea5u: Ch\u1ee7 y\u1ebfu l\u00e0 \u1ed1ng h\u00e0n t\u1eeb b\u0103ng cu\u1ed9n inox, \u0111\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc (mechanically polished). Th\u00e0nh m\u1ecfng \u0111\u1ebfn trung b\u00ecnh (0.5\u20132.0 mm) \u0111\u1ec3 t\u1ed1i \u01b0u tr\u1ecdng l\u01b0\u1ee3ng \u2013 chi ph\u00ed.<br \/>\n&#8211; M\u1ee5c ti\u00eau: Th\u1ea9m m\u1ef9 (\u0111\u1ed9 b\u00f3ng \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u01b0\u1eddng h\u00e0n k\u00edn \u0111\u1eb9p), \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng cho t\u1ea3i tr\u1ecdng ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00f4i tr\u01b0\u1eddng (trong nh\u00e0\/ngo\u00e0i tr\u1eddi).<br \/>\n&#8211; Kh\u00e1c \u1ed1ng c\u00f4ng nghi\u1ec7p\/\u00e1p l\u1ef1c: Kh\u00f4ng thi\u1ebft k\u1ebf cho \u00e1p su\u1ea5t\/\u0103n m\u00f2n kh\u1eafc nghi\u1ec7t nh\u01b0 \u0111\u01b0\u1eddng \u1ed1ng h\u00f3a ch\u1ea5t; ti\u00eau chu\u1ea9n t\u1eadp trung v\u00e0o k\u00edch th\u01b0\u1edbc, c\u01a1 t\u00ednh v\u00e0 b\u1ec1 m\u1eb7t cho m\u1ee5c \u0111\u00edch c\u01a1 kh\u00ed\/trang tr\u00ed (v\u00ed d\u1ee5 ASTM A554) thay v\u00ec ti\u00eau chu\u1ea9n \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c (ASTM A312).<\/p>\n<h2 id=\"toc-1-tieu-chuan-mac-thep-pho-bien-tai-viet-nam\">Ti\u00eau chu\u1ea9n &#038; m\u00e1c th\u00e9p ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam<\/h2>\n<h3>Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt th\u01b0\u1eddng d\u00f9ng<\/h3>\n<p>&#8211; ASTM A554\/A554M: Ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf cho \u1ed1ng inox h\u00e0n ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch c\u01a1 kh\u00ed\/trang tr\u00ed (mechanical\/ornamental tubing). Quy \u0111\u1ecbnh lo\u1ea1i ho\u00e0n thi\u1ec7n, k\u00edch th\u01b0\u1edbc, dung sai, th\u1eed c\u01a1 t\u00ednh v\u00e0 ki\u1ec3m tra b\u1ec1 m\u1eb7t.<br \/>\n&#8211; EN 10296-2: \u1ed0ng inox h\u00e0n d\u00f9ng cho c\u01a1 kh\u00ed v\u00e0 m\u1ee5c \u0111\u00edch chung theo h\u1ec7 Ch\u00e2u \u00c2u.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t tham chi\u1ebfu th\u00eam theo ASTM A480 (\u0111\u1ecbnh ngh\u0129a No.4, BA, v.v.).<\/p>\n<p>Dung sai tham kh\u1ea3o th\u1ef1c t\u1ebf theo ASTM A554 v\u00e0 th\u00f4ng l\u1ec7 nh\u00e0 m\u00e1y:<br \/>\n&#8211; \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD): \u00b10.10\u20130.20 mm v\u1edbi OD \u2264 38.1 mm; t\u0103ng theo c\u1ee1 \u1ed1ng l\u1edbn h\u01a1n.<br \/>\n&#8211; B\u1ec1 d\u00e0y (WT): dung sai \u00e2m th\u01b0\u1eddng t\u1edbi \u221210%.<br \/>\n&#8211; \u0110\u1ed9 \u00f4 van v\u00e0 \u0111\u1ed9 th\u1eb3ng: ki\u1ec3m so\u00e1t theo c\u1ee1; th\u00f4ng d\u1ee5ng \u22641.5 mm tr\u00ean 1 m chi\u1ec1u d\u00e0i v\u1edbi \u1ed1ng trang tr\u00ed ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<p>Chi\u1ec1u d\u00e0i ti\u00eau chu\u1ea9n: 6 m\/c\u00e2y (c\u00f3 th\u1ec3 c\u1eaft theo y\u00eau c\u1ea7u).<\/p>\n<h3>M\u00e1c th\u00e9p (grade) v\u00e0 khuy\u1ebfn ngh\u1ecb ch\u1ecdn theo m\u00f4i tr\u01b0\u1eddng<\/h3>\n<p>&#8211; SUS\/AISI 201 (Cr-Mn-Ni th\u1ea5p): T\u00ednh kinh t\u1ebf t\u1ed1t, \u0111\u1ee7 d\u00f9ng n\u1ed9i th\u1ea5t kh\u00f4; c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9; kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 k\u00e9m h\u01a1n 304\/316 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, ven bi\u1ec3n, g\u1ea7n h\u1ed3 b\u01a1i.<br \/>\n&#8211; SUS\/AISI 304 (18\/8): C\u00e2n b\u1eb1ng gi\u1eefa gi\u00e1 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n; ph\u00f9 h\u1ee3p ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb, tay v\u1ecbn c\u00f4ng c\u1ed9ng, c\u1eeda c\u1ed5ng.<br \/>\n&#8211; SUS\/AISI 316\/316L (Mo 2\u20132.5%): Ch\u1ed1ng r\u1ed7 pitting\/\u0103n m\u00f2n khe v\u01b0\u1ee3t tr\u1ed9i; n\u00ean ch\u1ecdn cho ven bi\u1ec3n, g\u1ea7n h\u1ed3 b\u01a1i\/clorua, c\u00f4ng tr\u00ecnh cao c\u1ea5p c\u1ea7n \u0111\u1ed9 b\u1ec1n b\u1ec1 m\u1eb7t l\u00e2u d\u00e0i.<\/p>\n<p>G\u1ee3i \u00fd nhanh:<br \/>\n&#8211; Trong nh\u00e0 kh\u00f4: 201 ho\u1eb7c 304<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb: 304<br \/>\n&#8211; Ven bi\u1ec3n\/kh\u00ed h\u1eadu mu\u1ed1i, h\u1ed3 b\u01a1i: 316\/316L<\/p>\n<h2 id=\"toc-2-do-day-ong-inox-trang-tri-chon-bao-nhieu-la-hop-ly\">\u0110\u1ed9 d\u00e0y \u1ed1ng inox trang tr\u00ed: ch\u1ecdn bao nhi\u00eau l\u00e0 h\u1ee3p l\u00fd?<\/h2>\n<p>Nguy\u00ean t\u1eafc:<br \/>\n&#8211; Th\u00e0nh c\u00e0ng d\u00e0y \u2192 c\u1ee9ng v\u1eefng, \u00edt bi\u1ebfn d\u1ea1ng khi u\u1ed1n\/h\u00e0n, b\u1ec1n khi s\u1eed d\u1ee5ng c\u00f4ng c\u1ed9ng; nh\u01b0ng n\u1eb7ng v\u00e0 t\u1ed1n chi ph\u00ed.<br \/>\n&#8211; Th\u00e0nh qu\u00e1 m\u1ecfng (\u22640.6 mm) d\u1ec5 m\u00f3p khi va \u0111\u1eadp, kh\u00f3 h\u00e0n\/b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t.<\/p>\n<p>D\u1ea3i \u0111\u1ed9 d\u00e0y ph\u1ed5 bi\u1ebfn \u1edf Vi\u1ec7t Nam: 0.5 \u2013 2.0 mm (th\u00f4ng d\u1ee5ng 0.8\/1.0\/1.2\/1.5 mm).<\/p>\n<p>G\u1ee3i \u00fd theo \u1ee9ng d\u1ee5ng:<br \/>\n&#8211; Tay v\u1ecbn\/lan can trong nh\u00e0: \u00d825.4\u201338.1 mm, WT 1.0\u20131.2 mm (\u0111i c\u00f4ng c\u1ed9ng: 1.5 mm).<br \/>\n&#8211; Lan can\/khung ngo\u00e0i tr\u1eddi: \u00d838.1\u201350.8 mm, WT 1.2\u20131.5 mm; c\u1eeda c\u1ed5ng l\u1edbn c\u00f3 th\u1ec3 2.0 mm.<br \/>\n&#8211; Khung bi\u1ec3n b\u1ea3ng, showroom: \u00d819\u201331.8 mm, WT 0.8\u20131.0 mm.<br \/>\n&#8211; \u1ed0ng trang tr\u00ed nh\u1eb9, treo k\u1ec7: \u00d812.7\u201325.4 mm, WT 0.6\u20130.8 mm.<br \/>\n&#8211; C\u1ed9t \u0111\u1ee1\/m\u00e1i che trang tr\u00ed: \u00d850.8\u201376.2 mm, WT 1.5\u20132.0 mm.<\/p>\n<p>M\u1eb9o t\u00ednh tr\u1ecdng l\u01b0\u1ee3ng (\u01b0\u1edbc chi ph\u00ed) cho \u1ed1ng tr\u00f2n inox:<br \/>\n&#8211; C\u00f4ng th\u1ee9c g\u1ea7n \u0111\u00fang: Kg\/m \u2248 0.0246 \u00d7 (OD \u2212 WT) \u00d7 WT, v\u1edbi OD v\u00e0 WT t\u00ednh b\u1eb1ng mm, m\u1eadt \u0111\u1ed9 inox ~7.93 g\/cm\u00b3.<br \/>\n&#8211; V\u00ed d\u1ee5: \u1ed0ng \u00d838.1 \u00d7 1.2 mm \u2192 Kg\/m \u2248 0.0246 \u00d7 (38.1 \u2212 1.2) \u00d7 1.2 \u2248 1.09 kg\/m. C\u00e2y 6 m n\u1eb7ng ~6.5 kg.<\/p>\n<h2 id=\"toc-3-do-bongbe-mat-phan-loai-so-sanh-va-cach-chon\">\u0110\u1ed9 b\u00f3ng\/b\u1ec1 m\u1eb7t: ph\u00e2n lo\u1ea1i, so s\u00e1nh v\u00e0 c\u00e1ch ch\u1ecdn<\/h2>\n<h3>C\u00e1c m\u1ee9c ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t th\u00f4ng d\u1ee5ng<\/h3>\n<p>&#8211; No.4 (satin\/brush): V\u00e2n x\u01b0\u1edbc m\u1ecbn \u0111\u1ed3ng \u0111\u1ec1u; Ra th\u01b0\u1eddng ~0.2\u20130.6 \u00b5m; che x\u01b0\u1edbc nh\u1ecf t\u1ed1t; h\u1ee3p tay v\u1ecbn, lan can, ngo\u00e0i tr\u1eddi.<br \/>\n&#8211; HL (Hairline): V\u00e2n d\u00e0i theo tr\u1ee5c \u1ed1ng, th\u1ea9m m\u1ef9 cao; d\u1ec5 \u0111\u1ed3ng b\u1ed9 v\u1edbi ph\u1ee5 ki\u1ec7n HL.<br \/>\n&#8211; BA (Bright Annealed): S\u00e1ng b\u00f3ng do \u1ee7 s\u00e1ng trong m\u00f4i tr\u01b0\u1eddng b\u1ea3o v\u1ec7; b\u1ec1 m\u1eb7t ph\u1eb3ng, ph\u1ea3n x\u1ea1 t\u1ed1t h\u01a1n No.4; ph\u1ed5 bi\u1ebfn n\u1ed9i th\u1ea5t.<br \/>\n&#8211; 8K (Mirror): G\u01b0\u01a1ng soi g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o; Ra r\u1ea5t th\u1ea5p (~\u22640.1\u20130.2 \u00b5m, ph\u1ee5 thu\u1ed9c nh\u00e0 m\u00e1y); sang tr\u1ecdng nh\u01b0ng d\u1ec5 th\u1ea5y v\u1ebft tay\/x\u01b0\u1edbc; c\u1ea7n b\u1ea3o v\u1ec7 t\u1ed1t.<\/p>\n<p>L\u01b0u \u00fd:<br \/>\n&#8211; B\u1ec1 m\u1eb7t c\u00e0ng m\u1ecbn, \u00edt b\u00e1m b\u1ea9n\/chloride \u2192 gi\u1ea3m nguy c\u01a1 \u201c\u1ed1 tr\u00e0\u201d (tea staining) ngo\u00e0i tr\u1eddi.<br \/>\n&#8211; Ch\u1ecdn HL\/No.4 cho khu v\u1ef1c d\u1ec5 b\u1ecb c\u1ecd x\u00e1t (\u00edt l\u1ed9 v\u1ebft x\u01b0\u1edbc v\u1eb7t); ch\u1ecdn 8K\/BA cho n\u1ed9i th\u1ea5t cao c\u1ea5p, showroom.<\/p>\n<h3>\u01afu\/nh\u01b0\u1ee3c \u0111i\u1ec3m nhanh<\/h3>\n<p>&#8211; No.4\/HL: D\u1ec5 b\u1ea3o tr\u00ec, kh\u00f3 l\u1ed9 v\u1ebft x\u01b0\u1edbc, gi\u00e1 h\u1ee3p l\u00fd; \u00edt \u201cwow effect\u201d h\u01a1n g\u01b0\u01a1ng 8K.<br \/>\n&#8211; BA: S\u00e1ng, m\u1ecbn; ph\u00f9 h\u1ee3p trong nh\u00e0; ngo\u00e0i tr\u1eddi c\u1ea7n v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; 8K: \u0110\u1eb9p nh\u1ea5t, ph\u1ea3n chi\u1ebfu m\u1ea1nh; nh\u01b0\u1ee3c: d\u1ec5 tr\u1ea7y\/xu\u1ed1ng m\u00e0u n\u1ebfu v\u1ec7 sinh sai; chi ph\u00ed \u0111\u00e1nh b\u00f3ng cao.<\/p>\n<h3>Gia c\u00f4ng b\u1ec1 m\u1eb7t v\u00e0 ph\u1ee5c h\u1ed3i sau h\u00e0n<\/h3>\n<p>&#8211; H\u00e0n TIG\/MIG c\u00f3 th\u1ec3 l\u00e0m \u0111\u1ed5i m\u00e0u v\u00f9ng nhi\u1ec7t; c\u1ea7n t\u1ea9y m\u1ed1i h\u00e0n v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a (pickling\/passivation) theo th\u1ef1c h\u00e0nh t\u1ed1t, tham chi\u1ebfu ASTM A967 \u0111\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng ch\u1ed1ng g\u1ec9.<br \/>\n&#8211; Sau h\u00e0n: M\u00e0i tinh theo c\u00f9ng h\u01b0\u1edbng h\u1ea1t (No.4\/HL) b\u1eb1ng \u0111ai nh\u00e1m\/fleece; v\u1edbi 8K c\u1ea7n \u0111\u00e1nh b\u00f3ng nhi\u1ec1u c\u1ea5p h\u1ea1t v\u00e0 d\u00f9ng h\u1ee3p ch\u1ea5t \u0111\u00e1nh b\u00f3ng.<br \/>\n&#8211; Lu\u00f4n v\u1ec7 sinh s\u1ea1ch h\u1ea1t s\u1eaft\/thi\u1ebft b\u1ecb th\u00e9p \u0111en \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m b\u1ea9n Fe g\u00e2y g\u1ec9 b\u1ec1 m\u1eb7t.<\/p>\n<h2 id=\"toc-4-kich-co-ong-trang-tri-ban-chay-tai-viet-nam\">K\u00edch c\u1ee1 \u1ed1ng trang tr\u00ed b\u00e1n ch\u1ea1y t\u1ea1i Vi\u1ec7t Nam<\/h2>\n<p>&#8211; H\u1ec7 inch (OD, mm): 9.5; 12.7; 15.9; 19.1; 22.2; 25.4; 31.8; 38.1; 50.8; 63.5; 76.2; 101.6.<br \/>\n&#8211; H\u1ec7 m\u00e9t (OD, mm): 10; 12; 16; 20; 25; 32; 38; 50; 60; 76; 89; 114.<br \/>\n&#8211; Chi\u1ec1u d\u00e0i: 6 m\/c\u00e2y; c\u1eaft l\u1ebb theo y\u00eau c\u1ea7u. Dung sai OD\/WT tham chi\u1ebfu ASTM A554; nh\u00e0 m\u00e1y uy t\u00edn c\u00f4ng b\u1ed1 r\u00f5 tr\u00ean ch\u1ee9ng ch\u1ec9.<\/p>\n<h2 id=\"toc-5-gia-cong-thi-cong-de-ben-dep-an-toan\">Gia c\u00f4ng &#038; thi c\u00f4ng \u0111\u1ec3 \u201cb\u1ec1n \u2013 \u0111\u1eb9p \u2013 an to\u00e0n\u201d<\/h2>\n<h3>B\u1ebb u\u1ed1n v\u00e0 t\u1ea1o h\u00ecnh<\/h3>\n<p>&#8211; N\u00ean u\u1ed1n c\u00f3 l\u00f5i (mandrel) v\u1edbi \u1ed1ng m\u1ecfng \u22641.0 mm \u0111\u1ec3 tr\u00e1nh nh\u0103n\/bo g\u1ea5p; b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u th\u01b0\u1eddng 1.5D\u20132D.<br \/>\n&#8211; D\u00f9ng 304\/316 tr\u1ea1ng th\u00e1i \u1ee7 ti\u00eau chu\u1ea9n \u0111\u1ec3 u\u1ed1n \u0111\u1eb9p; 201 c\u1ee9ng h\u01a1n, d\u1ec5 \u201ccam\u201d b\u1ec1 m\u1eb7t khi u\u1ed1n g\u1ea5p.<\/p>\n<h3>H\u00e0n v\u00e0 x\u1eed l\u00fd sau h\u00e0n<\/h3>\n<p>&#8211; H\u00e0n TIG v\u1edbi d\u00e2y 308L cho 304, 316L cho 316; h\u1ea1n ch\u1ebf b\u1eafn t\u00f3e, b\u1ea3o v\u1ec7 kh\u00ed t\u1ed1t \u0111\u1ec3 gi\u1ea3m \u0111\u1ed5i m\u00e0u.<br \/>\n&#8211; T\u1ea9y m\u1ed1i h\u00e0n &#038; th\u1ee5 \u0111\u1ed9ng h\u00f3a (ASTM A967) ho\u1eb7c x\u1eed l\u00fd axit citric\/nitric chuy\u00ean d\u1ee5ng; r\u1eeda s\u1ea1ch, trung h\u00f2a.<br \/>\n&#8211; M\u00e0i \u2013 \u0111\u00e1nh b\u00f3ng ph\u1ee5c h\u1ed3i theo c\u1ea5p h\u1ea1t ph\u00f9 h\u1ee3p v\u1edbi No.4\/HL\/8K; d\u00f9ng b\u0103ng d\u00ednh b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t trong thi c\u00f4ng.<\/p>\n<h3>L\u1eafp \u0111\u1eb7t &#038; b\u1ea3o tr\u00ec<\/h3>\n<p>&#8211; B\u1ecbt \u0111\u1ea7u \u1ed1ng, khoan l\u1ed7 tho\u00e1t n\u01b0\u1edbc t\u1ea1i v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p \u0111\u1ec3 tr\u00e1nh \u0111\u1ecdng n\u01b0\u1edbc b\u00ean trong.<br \/>\n&#8211; Tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi th\u00e9p carbon\/kinh lo\u1ea1i kh\u00e1c; d\u00f9ng \u0111\u1ec7m c\u00e1ch ly (nh\u1ef1a, cao su EPDM).<br \/>\n&#8211; D\u00f9ng keo silicone trung t\u00ednh (kh\u00f4ng ch\u1ee9a axit acetic) \u0111\u1ec3 kh\u00f4ng l\u00e0m \u1ed1 b\u1ec1 m\u1eb7t.<br \/>\n&#8211; V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3: n\u01b0\u1edbc s\u1ea1ch + x\u00e0 ph\u00f2ng trung t\u00ednh; tr\u00e1nh ch\u1ea5t t\u1ea9y ch\u1ee9a chloride m\u1ea1nh. Ven bi\u1ec3n: r\u1eeda n\u01b0\u1edbc ng\u1ecdt h\u00e0ng tu\u1ea7n\u2013h\u00e0ng th\u00e1ng \u0111\u1ec3 ng\u1eeba \u1ed1 tr\u00e0.<\/p>\n<h2 id=\"toc-6-ung-dung-thuc-te-theo-moi-truong\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf theo m\u00f4i tr\u01b0\u1eddng<\/h2>\n<p>&#8211; N\u1ed9i th\u1ea5t kh\u00f4 (thang, tay v\u1ecbn, k\u1ec7, showroom): 201\/304, b\u1ec1 m\u1eb7t BA\/8K ho\u1eb7c HL; WT 0.8\u20131.2 mm.<br \/>\n&#8211; Ngo\u1ea1i th\u1ea5t \u0111\u00f4 th\u1ecb (lan can, m\u00e1i s\u1ea3nh, c\u1ed5ng): 304, HL\/No.4; WT 1.2\u20131.5 mm; r\u1eeda \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; Ven bi\u1ec3n\/g\u1ea7n h\u1ed3 b\u01a1i: 316\/316L, HL\/No.4; WT 1.5 mm tr\u1edf l\u00ean cho h\u1ea1ng m\u1ee5c c\u00f4ng c\u1ed9ng; t\u0103ng l\u1ecbch v\u1ec7 sinh \u0111\u1ec3 ng\u1eeba r\u1ed7\/\u1ed1.<\/p>\n<h2 id=\"toc-7-kiem-tra-chat-luong-meo-chon-mua-tai-viet-nam\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng &#038; m\u1eb9o ch\u1ecdn mua t\u1ea1i Vi\u1ec7t Nam<\/h2>\n<h3>X\u00e1c th\u1ef1c m\u00e1c v\u00e0 ngu\u1ed3n g\u1ed1c<\/h3>\n<p>&#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 MTC (Mill Test Certificate) c\u00f3 Heat No., th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh, ti\u00eau chu\u1ea9n.<br \/>\n&#8211; Th\u1eed nhanh hi\u1ec7n tr\u01b0\u1eddng: nam ch\u00e2m (304\/316 th\u01b0\u1eddng nhi\u1ec5m t\u1eeb r\u1ea5t nh\u1eb9 ho\u1eb7c kh\u00f4ng; 201 c\u00f3 th\u1ec3 h\u00fat h\u01a1n), test PMI di \u0111\u1ed9ng. Tr\u00e1nh k\u1ebft lu\u1eadn ch\u1ec9 d\u1ef1a v\u00e0o nam ch\u00e2m\/thu\u1ed1c th\u1eed kh\u00f4ng chu\u1ea9n.<\/p>\n<h3>Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc \u2013 b\u1ec1 m\u1eb7t<\/h3>\n<p>&#8211; \u0110o OD b\u1eb1ng th\u01b0\u1edbc c\u1eb7p; \u0111o WT b\u1eb1ng panme\/\u0111\u1ed3ng h\u1ed3 si\u00eau \u00e2m.<br \/>\n&#8211; Soi \u0111\u01b0\u1eddng h\u00e0n: \u0111\u1ec1u, kh\u00f4ng l\u01b0\u1ee3n s\u00f3ng; kh\u00f4ng r\u1ed7 kim; kh\u00f4ng \u201c\u0111\u01b0\u1eddng ng\u1eadm x\u1ec9\u201d.<br \/>\n&#8211; Quan s\u00e1t b\u1ec1 m\u1eb7t: \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng cam v\u1ecf cam, kh\u00f4ng x\u01b0\u1edbc s\u00e2u; phim b\u1ea3o v\u1ec7 d\u00e1n k\u00edn, d\u1ec5 b\u00f3c.<\/p>\n<h3>So s\u00e1nh b\u00e1o gi\u00e1 v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed<\/h3>\n<p>&#8211; H\u1ecfi r\u00f5 \u0111\u01a1n v\u1ecb t\u00ednh (kg hay c\u00e2y 6 m); d\u00f9ng c\u00f4ng th\u1ee9c Kg\/m \u0111\u1ec3 quy \u0111\u1ed5i v\u00e0 so s\u00e1nh c\u00f4ng b\u1eb1ng.<br \/>\n&#8211; Gi\u00e1 ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi: m\u00e1c (201 < 304 < 316), c\u1ea5p \u0111\u1ed9 b\u00f3ng (8K > BA > HL\/No.4), \u0111\u1ed9 d\u00e0y, th\u01b0\u01a1ng hi\u1ec7u cu\u1ed9n (POSCO, TISCO, YUSCO, Baosteel\u2026), dung sai, ch\u1ee9ng ch\u1ec9.<br \/>\n&#8211; \u0110\u1eebng ch\u1ecdn ch\u1ec9 theo gi\u00e1\/kg: m\u1ed9t s\u1ed1 h\u00e0ng \u201cm\u1ecfng thi\u1ebfu\u201d ho\u1eb7c \u0111\u00e1nh b\u00f3ng k\u00e9m s\u1ebd \u0111\u1ed9i chi ph\u00ed b\u1ea3o tr\u00ec\/l\u1ed7i c\u00f4ng tr\u00ecnh.<\/p>\n<h3>L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 ph\u00f2ng tr\u00e1nh<\/h3>\n<p>&#8211; \u1ed0 tr\u00e0 ngo\u00e0i tr\u1eddi: ch\u1ecdn sai m\u00e1c\/b\u1ec1 m\u1eb7t, kh\u00f4ng v\u1ec7 sinh; kh\u1eafc ph\u1ee5c b\u1eb1ng v\u1ec7 sinh + th\u1ee5 \u0111\u1ed9ng h\u00f3a; ch\u1ecdn 304\/316 v\u00e0 b\u1ec1 m\u1eb7t m\u1ecbn h\u01a1n.<br \/>\n&#8211; R\u1ed7 m\u1eb7t g\u01b0\u01a1ng 8K: thao t\u00e1c l\u1eafp \u0111\u1eb7t l\u00e0m x\u01b0\u1edbc; c\u1ea7n b\u1ea3o v\u1ec7 phim \u0111\u1ebfn tr\u01b0\u1edbc nghi\u1ec7m thu; d\u00f9ng kh\u0103n microfiber, h\u00f3a ch\u1ea5t trung t\u00ednh.<br \/>\n&#8211; \u1ed0ng m\u00f3p khi k\u1eb9p\/u\u1ed1n: WT qu\u00e1 m\u1ecfng, kh\u00f4ng d\u00f9ng mandrel; \u0111i\u1ec1u ch\u1ec9nh khu\u00f4n v\u00e0 t\u0103ng WT.<\/p>\n<h2 id=\"toc-8-hoi-nhanh-dap-gon\">H\u1ecfi nhanh \u2013 \u0111\u00e1p g\u1ecdn<\/h2>\n<p>&#8211; 201 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng? C\u00f3 th\u1ec3 b\u1ecb \u1ed1\/g\u1ec9 nh\u1eb9 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, h\u00f3a ch\u1ea5t mu\u1ed1i; \u01b0u ti\u00ean d\u00f9ng trong nh\u00e0 kh\u00f4. Ngo\u00e0i tr\u1eddi n\u00ean l\u00ean 304, ven bi\u1ec3n 316.<br \/>\n&#8211; B\u00f3ng g\u01b0\u01a1ng 8K c\u00f3 d\u1ec5 x\u01b0\u1edbc? C\u00f3. N\u00ean d\u00f9ng phim b\u1ea3o v\u1ec7, v\u1ec7 sinh \u0111\u00fang c\u00e1ch; cho ngo\u1ea1i th\u1ea5t \u0111\u00f4ng ng\u01b0\u1eddi, HL\/No.4 th\u1ef1c d\u1ee5ng h\u01a1n.<br \/>\n&#8211; PVD m\u00e0u c\u00f3 b\u1ec1n kh\u00f4ng? L\u1edbp PVD t\u0103ng ch\u1ed1ng x\u01b0\u1edbc v\u00e0 t\u1ea1o m\u00e0u (v\u00e0ng, h\u1ed3ng, \u0111en\u2026), nh\u01b0ng \u0111\u1ed9 b\u1ec1n n\u1ec1n v\u1eabn ph\u1ee5 thu\u1ed9c m\u00e1c (304\/316 cho ngo\u00e0i tr\u1eddi). Tr\u00e1nh h\u00f3a ch\u1ea5t m\u1ea1nh khi v\u1ec7 sinh.<\/p>\n<h2 id=\"toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; Ch\u1ecdn \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u: m\u00e1c 201\/304\/316 theo m\u00f4i tr\u01b0\u1eddng; \u0111\u1ed9 d\u00e0y ph\u00f9 h\u1ee3p t\u1ea3i tr\u1ecdng v\u00e0 ph\u01b0\u01a1ng \u00e1n gia c\u00f4ng; b\u1ec1 m\u1eb7t \u0111\u00fang m\u1ee5c ti\u00eau th\u1ea9m m\u1ef9 \u2013 b\u1ea3o tr\u00ec.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n c\u1ea7n bi\u1ebft: ASTM A554 cho \u1ed1ng trang tr\u00ed; tham chi\u1ebfu ASTM A480 v\u1ec1 b\u1ec1 m\u1eb7t, ASTM A967 v\u1ec1 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n.<br \/>\n&#8211; Quy t\u1eafc v\u00e0ng: ngo\u00e0i tr\u1eddi d\u00f9ng b\u1ec1 m\u1eb7t m\u1ecbn h\u01a1n, v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3; ven bi\u1ec3n \u01b0u ti\u00ean 316 v\u00e0 r\u1eeda n\u01b0\u1edbc ng\u1ecdt th\u01b0\u1eddng xuy\u00ean.<br \/>\n&#8211; So s\u00e1nh b\u00e1o gi\u00e1 theo tr\u1ecdng l\u01b0\u1ee3ng th\u1ef1c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t, kh\u00f4ng ch\u1ec9 theo \u201cc\u00e2y r\u1ebb\u201d.<\/p>\n<p>C\u1ea7n h\u1ed7 tr\u1ee3 b\u00f3c t\u00e1ch kh\u1ed1i l\u01b0\u1ee3ng, ch\u1ecdn m\u00e1c \u2013 \u0111\u1ed9 d\u00e0y \u2013 b\u1ec1 m\u1eb7t t\u1ed1i \u01b0u cho h\u1ea1ng m\u1ee5c c\u1ee5 th\u1ec3? Li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n nhanh v\u00e0 b\u00e1o gi\u00e1 c\u1ea1nh tranh.<\/p>\n<p>Contact Inox Cuong Thinh for more advice and the best price. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o:<br \/>\n&#8211; ASTM A554\/A554M \u2013 Standard Specification for Welded Stainless Steel Mechanical Tubing: https:\/\/www.astm.org\/a0554_a0554m-22.html<br \/>\n&#8211; ASTM A480\/A480M \u2013 General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip: https:\/\/www.astm.org\/a0480_a0480m-20.html<br \/>\n&#8211; ASTM A967\/A967M \u2013 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts: https:\/\/www.astm.org\/a0967_a0967m-17.html<br \/>\n&#8211; EN 10296-2 \u2013 Welded circular steel tubes for mechanical and general engineering purposes \u2013 Stainless steel: https:\/\/standards.iteh.ai\/catalog\/standards\/cen\/2d0b1f7d-\u2026<br \/>\n&#8211; ASSDA \u2013 Guide to Preventing Tea Staining on Exterior Stainless Steel: https:\/\/www.assda.asn.au\/technical-info\/technical-faqs\/tea-staining<br \/>\n&#8211; Nickel Institute \u2013 Stainless steel selection and corrosion resources: https:\/\/www.nickelinstitute.org<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u00f3ng (HL\/No.4\/BA\/8K), m\u00e1c 201\/304\/316, ti\u00eau chu\u1ea9n ASTM A554 v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a \u1ed1ng inox trang tr\u00ed, k\u00e8m m\u1eb9o ch\u1ecdn mua.<\/p>\n","protected":false},"author":7,"featured_media":1044,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1666","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\/1666","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=1666"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1666\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1044"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}