{"id":2084,"date":"2026-05-31T12:33:32","date_gmt":"2026-05-31T05:33:32","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/so-sanh-ong-inox-cong-nghiep-vs-trang-tri-tieu-chuan-ung-dung\/"},"modified":"2026-05-31T12:33:32","modified_gmt":"2026-05-31T05:33:32","slug":"so-sanh-ong-inox-cong-nghiep-vs-trang-tri-tieu-chuan-ung-dung","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/so-sanh-ong-inox-cong-nghiep-vs-trang-tri-tieu-chuan-ung-dung\/","title":{"rendered":"So s\u00e1nh \u1ed0ng Inox C\u00f4ng nghi\u1ec7p vs Trang tr\u00ed: ti\u00eau chu\u1ea9n &#038; \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-khai-niem-va-pham-vi-su-dung\">Kh\u00e1i ni\u1ec7m v\u00e0 ph\u1ea1m vi s\u1eed d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-1-tieu-chuan-ap-dung-diem-phan-biet-then-chot\">Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng: \u0111i\u1ec3m ph\u00e2n bi\u1ec7t then ch\u1ed1t<\/a><\/li>\n<li><a href=\"#toc-2-vat-lieumac-thep-thuong-dung\">V\u1eadt li\u1ec7u\/m\u00e1c th\u00e9p th\u01b0\u1eddng d\u00f9ng<\/a><\/li>\n<li><a href=\"#toc-3-cau-truc-do-day-va-kich-thuoc\">C\u1ea5u tr\u00fac, \u0111\u1ed9 d\u00e0y v\u00e0 k\u00edch th\u01b0\u1edbc<\/a><\/li>\n<li><a href=\"#toc-4-be-mat-hoan-thien-finish-va-do-nham\">B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n (finish) v\u00e0 \u0111\u1ed9 nh\u00e1m<\/a><\/li>\n<li><a href=\"#toc-5-kiem-dinh-chat-luong-va-chung-chi\">Ki\u1ec3m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ch\u1ee9ng ch\u1ec9<\/a><\/li>\n<li><a href=\"#toc-6-kha-nang-chiu-ap-nhiet-va-an-mon\">Kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p, nhi\u1ec7t v\u00e0 \u0103n m\u00f2n<\/a><\/li>\n<li><a href=\"#toc-7-tom-tat-khac-biet-quan-trong\">T\u00f3m t\u1eaft kh\u00e1c bi\u1ec7t quan tr\u1ecdng<\/a><\/li>\n<li><a href=\"#toc-8-ung-dung-dien-hinh-va-vi-du-lua-chon\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh v\u00e0 v\u00ed d\u1ee5 l\u1ef1a ch\u1ecdn<\/a><\/li>\n<li><a href=\"#toc-9-loi-chon-vat-tu-thuong-gap-va-cach-tranh\">L\u1ed7i ch\u1ecdn v\u1eadt t\u01b0 th\u01b0\u1eddng g\u1eb7p (v\u00e0 c\u00e1ch tr\u00e1nh)<\/a><\/li>\n<li><a href=\"#toc-10-huong-dan-nhanh-de-chon-dung\">H\u01b0\u1edbng d\u1eabn nhanh \u0111\u1ec3 ch\u1ecdn \u0111\u00fang<\/a><\/li>\n<li><a href=\"#toc-11-bao-quan-gia-cong-va-lap-dat\">B\u1ea3o qu\u1ea3n, gia c\u00f4ng v\u00e0 l\u1eafp \u0111\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-12-quy-cach-hang-san-kho-pho-bien-tai-ha-noi-tham-kha\">Quy c\u00e1ch h\u00e0ng s\u1eb5n kho ph\u1ed5 bi\u1ebfn t\u1ea1i H\u00e0 N\u1ed9i (tham kh\u1ea3o)<\/a><\/li>\n<li><a href=\"#toc-13-faq-nhanh\">FAQ nhanh<\/a><\/li>\n<li><a href=\"#toc-14-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-15-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>\u1ed0ng inox l\u00e0 m\u1ed9t trong nh\u1eefng nh\u00f3m s\u1ea3n ph\u1ea9m c\u1ed1t l\u00f5i b\u00ean c\u1ea1nh t\u1ea5m, cu\u1ed9n, h\u1ed9p v\u00e0 thanh \u0111\u1eb7c. Tuy nhi\u00ean, \u1ed1ng inox c\u00f4ng nghi\u1ec7p v\u00e0 \u1ed1ng inox trang tr\u00ed kh\u00e1c nhau \u0111\u00e1ng k\u1ec3 v\u1ec1 ti\u00eau chu\u1ea9n, v\u1eadt li\u1ec7u, c\u1ea5u tr\u00fac, ki\u1ec3m \u0111\u1ecbnh v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng. B\u00e0i vi\u1ebft n\u00e0y gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng, ch\u1ecdn \u0111\u00fang lo\u1ea1i \u1ed1ng ngay t\u1eeb \u0111\u1ea7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed.<\/p>\n<h2 id=\"toc-0-khai-niem-va-pham-vi-su-dung\">Kh\u00e1i ni\u1ec7m v\u00e0 ph\u1ea1m vi s\u1eed d\u1ee5ng<\/h2>\n<p>&#8211; \u1ed0ng inox c\u00f4ng nghi\u1ec7p: D\u00f9ng cho \u0111\u01b0\u1eddng \u1ed1ng ch\u1ecbu \u00e1p, nhi\u1ec7t, \u0103n m\u00f2n v\u00e0\/ho\u1eb7c y\u00eau c\u1ea7u v\u1ec7 sinh kh\u1eaft khe trong nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, th\u1ef1c ph\u1ea9m \u2013 \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c, x\u1eed l\u00fd n\u01b0\u1edbc, h\u01a1i \u2013 n\u1ed3i h\u01a1i, trao \u0111\u1ed5i nhi\u1ec7t, d\u1ea7u kh\u00ed. Ch\u00fa tr\u1ecdng \u0111\u1ebfn c\u01a1 t\u00ednh, kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p, ki\u1ec3m \u0111\u1ecbnh NDT, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<br \/>\n&#8211; \u1ed0ng inox trang tr\u00ed (c\u00f2n g\u1ecdi \u1ed1ng c\u01a1 kh\u00ed\/\u1ed1ng m\u1ef9 thu\u1eadt): D\u00f9ng cho k\u1ebft c\u1ea5u nh\u1eb9, ki\u1ebfn tr\u00fac \u2013 n\u1ed9i ngo\u1ea1i th\u1ea5t, tay v\u1ecbn, lan can, c\u1eeda c\u1ed5ng, khung bi\u1ec3n qu\u1ea3ng c\u00e1o, \u0111\u1ed3 n\u1ed9i th\u1ea5t. \u01afu ti\u00ean th\u1ea9m m\u1ef9 b\u1ec1 m\u1eb7t, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, thi c\u00f4ng nhanh; kh\u00f4ng thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u00e1p ho\u1eb7c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<h2 id=\"toc-1-tieu-chuan-ap-dung-diem-phan-biet-then-chot\">Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng: \u0111i\u1ec3m ph\u00e2n bi\u1ec7t then ch\u1ed1t<\/h2>\n<p>&#8211; \u1ed0ng inox c\u00f4ng nghi\u1ec7p (\u00e1p l\u1ef1c\/quy tr\u00ecnh):<br \/>\n  &#8211; ASTM A312\/A358: \u1ed0ng h\u00e0n v\u00e0 \u0111\u00fac cho d\u1ecbch v\u1ee5 nhi\u1ec7t \u2013 \u0103n m\u00f2n.<br \/>\n  &#8211; ASTM A269\/A249: \u1ed0ng (welded\/seamless) cho d\u1ecbch v\u1ee5 t\u1ed5ng qu\u00e1t, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t.<br \/>\n  &#8211; ASTM A213: \u1ed0ng trao \u0111\u1ed5i nhi\u1ec7t, l\u00f2 h\u01a1i (seamless).<br \/>\n  &#8211; ASTM A270: \u1ed0ng v\u1ec7 sinh (sanitary) cho th\u1ef1c ph\u1ea9m \u2013 d\u01b0\u1ee3c, y\u00eau c\u1ea7u \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u1ea5p v\u00e0 v\u1ec7 sinh n\u1ed9i\/ngo\u1ea1i.<br \/>\n  &#8211; EN 10217-7: \u1ed0ng h\u00e0n inox cho d\u1ecbch v\u1ee5 \u00e1p l\u1ef1c.<br \/>\n  &#8211; ASME B36.19M: K\u00edch th\u01b0\u1edbc danh \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 d\u00e0y theo schedule cho \u1ed1ng inox.<br \/>\n&#8211; \u1ed0ng inox trang tr\u00ed\/c\u01a1 kh\u00ed:<br \/>\n  &#8211; ASTM A554: \u1ed0ng inox h\u00e0n d\u00f9ng cho m\u1ee5c \u0111\u00edch c\u01a1 kh\u00ed \u2013 trang tr\u00ed (tr\u00f2n, vu\u00f4ng, ch\u1eef nh\u1eadt).<br \/>\n  &#8211; EN 10296-2 ho\u1eb7c JIS G3446: \u1ed0ng inox c\u01a1 kh\u00ed.<br \/>\nL\u01b0u \u00fd: ASTM A554 kh\u00f4ng quy \u0111\u1ecbnh th\u1eed \u00e1p; s\u1ea3n ph\u1ea9m kh\u00f4ng \u0111\u01b0\u1ee3c coi l\u00e0 \u201cpressure rated\u201d.<\/p>\n<h2 id=\"toc-2-vat-lieumac-thep-thuong-dung\">V\u1eadt li\u1ec7u\/m\u00e1c th\u00e9p th\u01b0\u1eddng d\u00f9ng<\/h2>\n<p>&#8211; C\u00f4ng nghi\u1ec7p: 304\/304L, 316\/316L chi\u1ebfm \u0111a s\u1ed1; c\u00f3 th\u1ec3 d\u00f9ng duplex 2205, 904L, 321, 310S cho h\u00f3a ch\u1ea5t\/ nhi\u1ec7t \u0111\u1ed9 cao. \u01afu ti\u00ean \u201cL\u201d (h\u00e0m l\u01b0\u1ee3ng C th\u1ea5p) \u0111\u1ec3 ch\u1ed1ng nh\u1ea1y c\u1ea3m \u0103n m\u00f2n m\u1ed1i h\u00e0n.<br \/>\n&#8211; Trang tr\u00ed: Ph\u1ed5 bi\u1ebfn 201, 304; m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi cao c\u1ea5p\/ven bi\u1ec3n m\u1edbi d\u00f9ng 316\/316L. 201 r\u1ebb nh\u01b0ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 pitting k\u00e9m trong m\u00f4i tr\u01b0\u1eddng chloride.<\/p>\n<h2 id=\"toc-3-cau-truc-do-day-va-kich-thuoc\">C\u1ea5u tr\u00fac, \u0111\u1ed9 d\u00e0y v\u00e0 k\u00edch th\u01b0\u1edbc<\/h2>\n<h3>\u1ed0ng c\u00f4ng nghi\u1ec7p<\/h3>\n<p>&#8211; C\u1ea5u t\u1ea1o: H\u00e0n ERW\/TIG (welded) ho\u1eb7c \u0111\u00fac (seamless). Nhi\u1ec1u quy c\u00e1ch y\u00eau c\u1ea7u \u1ee7 dung d\u1ecbch (solution annealing), t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc: Theo danh \u0111\u1ecbnh NPS (inch) v\u00e0 schedule (10S, 40S, 80S&#8230;). V\u00ed d\u1ee5 NPS 1&#8243; c\u00f3 OD 33.4 mm; \u0111\u1ed9 d\u00e0y thay \u0111\u1ed5i theo schedule (SCH 10S ~ 2.77 mm; SCH 40S ~ 3.38 mm).<br \/>\n&#8211; \u0110\u1ea7u \u1ed1ng: Bevel 37.5\u00b0 cho h\u00e0n \u00e1p l\u1ef1c; c\u00f3 th\u1ec3 y\u00eau c\u1ea7u \u0111\u1ea7u tr\u00f2n (plain end) t\u00f9y h\u1ec7 th\u1ed1ng.<\/p>\n<h3>\u1ed0ng trang tr\u00ed<\/h3>\n<p>&#8211; C\u1ea5u t\u1ea1o: H\u00e0n TIG\/ERW, m\u00e0i b\u1ecf g\u1edd h\u00e0n trong, ch\u00fa tr\u1ecdng ph\u1eb3ng m\u1ed1i h\u00e0n \u0111\u1ec3 \u0111\u1ea1t b\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc: \u0110o theo \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD) mm, \u0111\u1ed9 d\u00e0y m\u1ecfng (0.4\u20132.0 mm ph\u1ed5 bi\u1ebfn). V\u00ed d\u1ee5 phi 25, phi 38, phi 51&#8230;; c\u0169ng c\u00f3 h\u1ed9p vu\u00f4ng\/ch\u1eef nh\u1eadt (ASTM A554).<br \/>\n&#8211; Chi\u1ec1u d\u00e0i th\u01b0\u1eddng 6 m; y\u00eau c\u1ea7u d\u00e1n m\u00e0ng PVC b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t.<\/p>\n<h2 id=\"toc-4-be-mat-hoan-thien-finish-va-do-nham\">B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n (finish) v\u00e0 \u0111\u1ed9 nh\u00e1m<\/h2>\n<p>&#8211; C\u00f4ng nghi\u1ec7p: No.1 (c\u00e1n n\u00f3ng t\u1ea9y g\u1ec9), 2B (c\u00e1n ngu\u1ed9i), pickled &#038; passivated; v\u1edbi \u1ed1ng v\u1ec7 sinh y\u00eau c\u1ea7u Ra \u2264 0.8 \u03bcm (\u0111\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc\/\u0111i\u1ec7n h\u00f3a).<br \/>\n&#8211; Trang tr\u00ed: Hairline\/HL (#180\u2013#240\u2013#320), Satin, BA, g\u01b0\u01a1ng 8K; y\u00eau c\u1ea7u \u0111\u1ed3ng \u0111\u1ec1u m\u00e0u, kh\u00f4ng v\u1ebft x\u01b0\u1edbc, c\u00f3 m\u00e0ng b\u1ea3o v\u1ec7.<br \/>\nG\u1ee3i \u00fd: Kh\u00f4ng d\u00f9ng \u1ed1ng HL\/g\u01b0\u01a1ng cho m\u00f4i tr\u01b0\u1eddng v\u1ec7 sinh y\u00eau c\u1ea7u CIP\/SIP n\u1ebfu kh\u00f4ng c\u00f3 ki\u1ec3m so\u00e1t Ra b\u00ean trong.<\/p>\n<h2 id=\"toc-5-kiem-dinh-chat-luong-va-chung-chi\">Ki\u1ec3m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ch\u1ee9ng ch\u1ec9<\/h2>\n<p>&#8211; C\u00f4ng nghi\u1ec7p:<br \/>\n  &#8211; Th\u1eed hydrostatic\/eddy current theo ASTM A312\/A269.<br \/>\n  &#8211; Th\u1eed c\u01a1 t\u00ednh: k\u00e9o, d\u1eb9p, loe, u\u1ed1n; ki\u1ec3m tra m\u1ed1i h\u00e0n (RT\/UT\/ET) theo y\u00eau c\u1ea7u.<br \/>\n  &#8211; T\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a, ki\u1ec3m tra ferrite m\u1ed1i h\u00e0n n\u1ebfu c\u1ea7n.<br \/>\n  &#8211; PMI (Positive Material Identification), ch\u1ee9ng ch\u1ec9 MTC EN 10204 3.1; truy xu\u1ea5t heat number.<br \/>\n&#8211; Trang tr\u00ed:<br \/>\n  &#8211; Ki\u1ec3m k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 th\u1eb3ng, \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u b\u1ec1 m\u1eb7t theo ASTM A554.<br \/>\n  &#8211; Kh\u00f4ng th\u1eed \u00e1p; ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 2.2 ho\u1eb7c 3.1 t\u00f9y nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<h2 id=\"toc-6-kha-nang-chiu-ap-nhiet-va-an-mon\">Kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p, nhi\u1ec7t v\u00e0 \u0103n m\u00f2n<\/h2>\n<p>&#8211; \u1ed0ng c\u00f4ng nghi\u1ec7p:<br \/>\n  &#8211; C\u00f3 th\u1ec3 t\u00ednh to\u00e1n \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c theo ASME v\u00e0 Barlow (P \u2248 2 S t \/ D, d\u00f9ng tr\u1ecb s\u1ed1 S theo v\u1eadt li\u1ec7u v\u00e0 nhi\u1ec7t \u0111\u1ed9). Ph\u00f9 h\u1ee3p h\u1ec7 th\u1ed1ng n\u01b0\u1edbc n\u00f3ng, h\u01a1i, h\u00f3a ch\u1ea5t.<br \/>\n  &#8211; 316\/316L \u0111\u1ec1 kh\u00e1ng chloride t\u1ed1t h\u01a1n 304\/304L; ch\u1ecdn duplex cho n\u01b0\u1edbc bi\u1ec3n\/Cl- cao.<br \/>\n&#8211; \u1ed0ng trang tr\u00ed:<br \/>\n  &#8211; Th\u00e0nh m\u1ecfng, kh\u00f4ng \u0111\u1ecbnh m\u1ee9c \u00e1p l\u1ef1c; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c, nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c h\u00f3a ch\u1ea5t \u0103n m\u00f2n.<br \/>\n  &#8211; 201 d\u1ec5 r\u1ed7 trong m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n\/axit y\u1ebfu; 304 kh\u00e1 h\u01a1n trong \u0111\u00f4 th\u1ecb kh\u00f4 r\u00e1o; 316L cho v\u00f9ng bi\u1ec3n.<\/p>\n<h2 id=\"toc-7-tom-tat-khac-biet-quan-trong\">T\u00f3m t\u1eaft kh\u00e1c bi\u1ec7t quan tr\u1ecdng<\/h2>\n<p>&#8211; Ti\u00eau chu\u1ea9n:<br \/>\n  &#8211; C\u00f4ng nghi\u1ec7p: ASTM A312\/A269\/A270, EN 10217-7, ASME B36.19M.<br \/>\n  &#8211; Trang tr\u00ed: ASTM A554, EN 10296-2.<br \/>\n&#8211; \u0110o l\u01b0\u1eddng:<br \/>\n  &#8211; C\u00f4ng nghi\u1ec7p: NPS + Schedule (inch).<br \/>\n  &#8211; Trang tr\u00ed: \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i\/chi\u1ec1u d\u00e0y (mm).<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y:<br \/>\n  &#8211; C\u00f4ng nghi\u1ec7p: D\u00e0y theo SCH (10S\/40S\/80S).<br \/>\n  &#8211; Trang tr\u00ed: M\u1ecfng 0.4\u20132.0 mm (ph\u1ed5 bi\u1ebfn 0.6\u20131.2 mm).<br \/>\n&#8211; B\u1ec1 m\u1eb7t:<br \/>\n  &#8211; C\u00f4ng nghi\u1ec7p: No.1\/2B, pickled, Ra ki\u1ec3m so\u00e1t (sanitary).<br \/>\n  &#8211; Trang tr\u00ed: HL\/BA\/8K, th\u1ea9m m\u1ef9 cao.<br \/>\n&#8211; Ki\u1ec3m \u0111\u1ecbnh:<br \/>\n  &#8211; C\u00f4ng nghi\u1ec7p: C\u00f3 th\u1eed \u00e1p\/NDT\/PMI\/ch\u1ee9ng ch\u1ec9 3.1.<br \/>\n  &#8211; Trang tr\u00ed: Ki\u1ec3m ngo\u1ea1i quan \u2013 k\u00edch th\u01b0\u1edbc; kh\u00f4ng th\u1eed \u00e1p.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng:<br \/>\n  &#8211; C\u00f4ng nghi\u1ec7p: \u00c1p l\u1ef1c, nhi\u1ec7t, v\u1ec7 sinh.<br \/>\n  &#8211; Trang tr\u00ed: K\u1ebft c\u1ea5u nh\u1eb9 \u2013 th\u1ea9m m\u1ef9.<\/p>\n<h2 id=\"toc-8-ung-dung-dien-hinh-va-vi-du-lua-chon\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh v\u00e0 v\u00ed d\u1ee5 l\u1ef1a ch\u1ecdn<\/h2>\n<p>&#8211; H\u1ec7 th\u1ed1ng n\u01b0\u1edbc n\u00f3ng 80\u2013120\u00b0C, b\u01a1m \u00e1p: Ch\u1ecdn \u1ed1ng c\u00f4ng nghi\u1ec7p ASTM A312 304L\/316L, SCH 10S\/40S t\u00f9y \u00e1p; \u0111\u1ea7u v\u00e1t h\u00e0n, pickled &#038; passivated.<br \/>\n&#8211; \u0110\u01b0\u1eddng \u1ed1ng CIP trong nh\u00e0 m\u00e1y s\u1eefa: \u1ed0ng sanitary ASTM A270 316L, Ra \u2264 0.8 \u03bcm, clamp ferrule; ki\u1ec3m \u0111\u1ecbnh vi sinh b\u1ec1 m\u1eb7t trong.<br \/>\n&#8211; H\u1ec7 th\u1ed1ng chiller \u2013 n\u01b0\u1edbc mu\u1ed1i lo\u00e3ng: 316L ho\u1eb7c duplex t\u00f9y Cl-; tr\u00e1nh 304\/201.<br \/>\n&#8211; Lan can, tay v\u1ecbn trong nh\u00e0: \u1ed0ng trang tr\u00ed ASTM A554 201\/304, finish HL, d\u00e0y 0.8\u20131.2 mm.<br \/>\n&#8211; M\u1eb7t d\u1ef1ng ngo\u00e0i tr\u1eddi g\u1ea7n bi\u1ec3n: \u1ed0ng trang tr\u00ed 316L, finish satin; b\u1ea3o tr\u00ec r\u1eeda nh\u1ea1t \u0111\u1ecbnh k\u1ef3.<\/p>\n<h2 id=\"toc-9-loi-chon-vat-tu-thuong-gap-va-cach-tranh\">L\u1ed7i ch\u1ecdn v\u1eadt t\u01b0 th\u01b0\u1eddng g\u1eb7p (v\u00e0 c\u00e1ch tr\u00e1nh)<\/h2>\n<p>&#8211; D\u00f9ng \u1ed1ng trang tr\u00ed 201 cho \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc \u00e1p l\u1ef1c: D\u1ec5 ph\u1ed3ng r\u00f2, r\u1ed7 sau th\u1eddi gian ng\u1eafn. Gi\u1ea3i ph\u00e1p: D\u00f9ng \u1ed1ng c\u00f4ng nghi\u1ec7p theo A312, ch\u1ecdn schedule \u0111\u00fang \u00e1p l\u1ef1c.<br \/>\n&#8211; D\u00f9ng 304 \u1edf khu v\u1ef1c ven bi\u1ec3n: Xu\u1ea5t hi\u1ec7n r\u1ed7 n\u00e2u (tea staining). Gi\u1ea3i ph\u00e1p: 316L ho\u1eb7c duplex; v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; Nh\u1ea7m l\u1eabn k\u00edch th\u01b0\u1edbc inch vs mm: Mua \u201cphi 34\u201d thay v\u00ec NPS 1&#8243; (OD 33.4 mm) d\u1eabn \u0111\u1ebfn kh\u00f4ng l\u1eafp \u0111\u01b0\u1ee3c ph\u1ee5 ki\u1ec7n. Gi\u1ea3i ph\u00e1p: Ch\u1ed1t theo ti\u00eau chu\u1ea9n (ASME B36.19M ho\u1eb7c OD mm) ngay t\u1eeb b\u1ea3n v\u1ebd.<br \/>\n&#8211; Ch\u1ecdn b\u1ec1 m\u1eb7t g\u01b0\u01a1ng 8K cho khu c\u00f4ng c\u1ed9ng ngo\u00e0i tr\u1eddi: D\u1ea5u tay\/v\u1ebft b\u1ea9n l\u1ed9 r\u00f5, chi ph\u00ed b\u1ea3o tr\u00ec cao. Gi\u1ea3i ph\u00e1p: HL\/Satin 240\u2013320.<\/p>\n<h2 id=\"toc-10-huong-dan-nhanh-de-chon-dung\">H\u01b0\u1edbng d\u1eabn nhanh \u0111\u1ec3 ch\u1ecdn \u0111\u00fang<\/h2>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng \u2013 t\u1ea3i tr\u1ecdng:<br \/>\n  &#8211; C\u00f3 \u00e1p l\u1ef1c\/nhi\u1ec7t\/h\u00f3a ch\u1ea5t? Ch\u1ecdn \u1ed1ng c\u00f4ng nghi\u1ec7p theo A312\/A269\/A270.<br \/>\n  &#8211; Ch\u1ec9 y\u00eau c\u1ea7u th\u1ea9m m\u1ef9\/k\u1ebft c\u1ea5u nh\u1eb9? Ch\u1ecdn \u1ed1ng trang tr\u00ed theo A554.<br \/>\n&#8211; M\u00e1c th\u00e9p:<br \/>\n  &#8211; Trong nh\u00e0 kh\u00f4 r\u00e1o: 201\/304 (trang tr\u00ed).<br \/>\n  &#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb: 304; ven bi\u1ec3n\/h\u1ed3 b\u01a1i\/Cl-: 316L.<br \/>\n  &#8211; H\u00f3a ch\u1ea5t\/\u0103n m\u00f2n \u0111\u1eb7c bi\u1ec7t: 316L\/duplex\/904L (tham kh\u1ea3o k\u1ef9 sds h\u00f3a ch\u1ea5t).<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc \u2013 \u0111\u1ed9 d\u00e0y:<br \/>\n  &#8211; H\u1ec7 th\u1ed1ng \u1ed1ng c\u00f4ng ngh\u1ec7: NPS + SCH (ASME B36.19M).<br \/>\n  &#8211; K\u1ebft c\u1ea5u trang tr\u00ed: OD mm + \u0111\u1ed9 d\u00e0y 0.8\u20131.5 mm theo y\u00eau c\u1ea7u ch\u1ecbu l\u1ef1c \u2013 h\u00e0n.<br \/>\n&#8211; Ki\u1ec3m \u0111\u1ecbnh:<br \/>\n  &#8211; D\u1ef1 \u00e1n c\u00f4ng nghi\u1ec7p: Y\u00eau c\u1ea7u MTC 3.1, PMI, hydro test\/NDT.<br \/>\n  &#8211; D\u1ef1 \u00e1n ki\u1ebfn tr\u00fac: Ki\u1ec3m b\u1ec1 m\u1eb7t, sai s\u1ed1 k\u00edch th\u01b0\u1edbc; d\u00e1n m\u00e0ng PVC.<\/p>\n<h2 id=\"toc-11-bao-quan-gia-cong-va-lap-dat\">B\u1ea3o qu\u1ea3n, gia c\u00f4ng v\u00e0 l\u1eafp \u0111\u1eb7t<\/h2>\n<p>&#8211; B\u1ea3o qu\u1ea3n: Tr\u00e1nh \u1ea9m m\u1eb7n; k\u00ea \u0111\u1ec7m g\u1ed7, b\u1ecdc nilon, kh\u00f4ng \u0111\u1ec3 tr\u1ef1c ti\u1ebfp n\u1ec1n xi m\u0103ng \u1ea9m. H\u1ea1n ch\u1ebf ti\u1ebfp x\u00fac m\u1ea1t s\u1eaft carbon g\u00e2y g\u1ec9 n\u00e2u.<br \/>\n&#8211; Gia c\u00f4ng h\u00e0n:<br \/>\n  &#8211; C\u00f4ng nghi\u1ec7p: H\u00e0n GTAW root pass c\u00f3 kh\u00ed \u0111\u1ec7m (purge) \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1eb7t trong; d\u00f9ng que\/rod \u201cL\u201d t\u01b0\u01a1ng \u1ee9ng; pickling &#038; passivation sau h\u00e0n.<br \/>\n  &#8211; Trang tr\u00ed: \u01afu ti\u00ean TIG \u0111\u1ec3 \u0111\u01b0\u1eddng h\u00e0n m\u1ea3nh, m\u00e0i \u2013 \u0111\u00e1nh x\u01b0\u1edbc \u0111\u1ed3ng nh\u1ea5t.<br \/>\n&#8211; L\u1eafp \u0111\u1eb7t: D\u00f9ng ph\u1ee5 ki\u1ec7n (fitting) \u0111\u1ed3ng b\u1ed9 m\u00e1c \u2013 ti\u00eau chu\u1ea9n; tr\u00e1nh tr\u1ed9n 201 v\u1edbi 304\/316 tr\u00ean c\u00f9ng h\u1ea1ng m\u1ee5c ngo\u00e0i tr\u1eddi.<\/p>\n<h2 id=\"toc-12-quy-cach-hang-san-kho-pho-bien-tai-ha-noi-tham-kha\">Quy c\u00e1ch h\u00e0ng s\u1eb5n kho ph\u1ed5 bi\u1ebfn t\u1ea1i H\u00e0 N\u1ed9i (tham kh\u1ea3o)<\/h2>\n<p>&#8211; \u1ed0ng c\u00f4ng nghi\u1ec7p A312 304\/304L: NPS 1\/2&#8243;\u20134&#8243;, SCH 10S\/40S, chi\u1ec1u d\u00e0i 6 m, pickled.<br \/>\n&#8211; \u1ed0ng trang tr\u00ed A554 201\/304: OD 19\u2013114 mm, d\u00e0y 0.6\u20131.5 mm, finish HL\/BA\/8K, d\u00e0i 6 m, c\u00f3 m\u00e0ng PVC.<br \/>\nL\u01b0u \u00fd: Quy c\u00e1ch th\u1ef1c t\u1ebf theo th\u1eddi \u0111i\u1ec3m \u2013 vui l\u00f2ng li\u00ean h\u1ec7 \u0111\u1ec3 c\u1eadp nh\u1eadt t\u1ed3n kho v\u00e0 lead time.<\/p>\n<h2 id=\"toc-13-faq-nhanh\">FAQ nhanh<\/h2>\n<p>&#8211; C\u00f3 th\u1ec3 d\u00f9ng \u1ed1ng c\u00f4ng nghi\u1ec7p cho m\u1ee5c \u0111\u00edch trang tr\u00ed? \u0110\u01b0\u1ee3c, nh\u01b0ng chi ph\u00ed cao v\u00e0 b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1eb9p b\u1eb1ng A554; c\u1ea7n \u0111\u00e1nh b\u00f3ng l\u1ea1i n\u1ebfu y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 cao.<br \/>\n&#8211; \u1ed0ng trang tr\u00ed 304 c\u00f3 d\u00f9ng cho n\u01b0\u1edbc s\u1ea1ch? V\u1ec1 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3, nh\u01b0ng \u1ed1ng A554 kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng \u00e1p l\u1ef1c; n\u00ean d\u00f9ng A312\/A269 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 ch\u1ee9ng ch\u1ec9.<br \/>\n&#8211; 201 c\u00f3 an to\u00e0n cho n\u1ed9i th\u1ea5t trong nh\u00e0? C\u00f3 cho m\u1ee5c \u0111\u00edch trang tr\u00ed kh\u00f4 r\u00e1o; kh\u00f4ng khuy\u1ebfn ngh\u1ecb m\u00f4i tr\u01b0\u1eddng \u1ea9m m\u1eb7n\/axit.<\/p>\n<h2 id=\"toc-14-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A312\/A312M \u2013 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes (astm.org)<br \/>\n&#8211; ASTM A554 \u2013 Standard Specification for Welded Stainless Steel Mechanical Tubing (astm.org)<br \/>\n&#8211; ASTM A269 \u2013 Seamless and Welded Austenitic Stainless Steel Tubing for General Service (astm.org)<br \/>\n&#8211; ASTM A270 \u2013 Sanitary Tubing (astm.org)<br \/>\n&#8211; ASME B36.19M \u2013 Stainless Steel Pipe (asme.org)<br \/>\n&#8211; EN 10217-7 \u2013 Welded steel tubes for pressure purposes; stainless steels (standards.iteh.ai)<\/p>\n<h2 id=\"toc-15-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>\u1ed0ng inox c\u00f4ng nghi\u1ec7p v\u00e0 \u1ed1ng inox trang tr\u00ed kh\u00e1c nhau t\u1eeb ti\u00eau chu\u1ea9n, m\u00e1c th\u00e9p, \u0111\u1ed9 d\u00e0y \u2013 k\u00edch th\u01b0\u1edbc, ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111\u1ebfn quy tr\u00ecnh ki\u1ec3m \u0111\u1ecbnh. G\u00f3i g\u1ecdn:<br \/>\n&#8211; C\u00f3 \u00e1p l\u1ef1c\/nhi\u1ec7t\/h\u00f3a ch\u1ea5t ho\u1eb7c y\u00eau c\u1ea7u v\u1ec7 sinh: ch\u1ecdn \u1ed1ng c\u00f4ng nghi\u1ec7p theo A312\/A269\/A270, x\u00e1c \u0111\u1ecbnh NPS + Schedule, m\u00e1c 304L\/316L tr\u1edf l\u00ean, k\u00e8m ki\u1ec3m \u0111\u1ecbnh.<br \/>\n&#8211; Ch\u1ec9 c\u1ea7n th\u1ea9m m\u1ef9 \u2013 k\u1ebft c\u1ea5u nh\u1eb9: ch\u1ecdn \u1ed1ng trang tr\u00ed theo A554, x\u00e1c \u0111\u1ecbnh OD mm + \u0111\u1ed9 d\u00e0y, ch\u1ecdn finish HL\/BA\/8K ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng (\u01b0u ti\u00ean 316L cho ven bi\u1ec3n).<br \/>\nCh\u1ecdn \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u gi\u00fap b\u1ea3o \u0111\u1ea3m an to\u00e0n v\u1eadn h\u00e0nh, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 t\u1ed1i \u01b0u t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi. C\u1ea7n t\u01b0 v\u1ea5n nhanh quy c\u00e1ch, m\u00e1c th\u00e9p v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox Cuong Thinh: Hotline 0343.417.281 \u2013 Email inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u r\u00f5 kh\u00e1c bi\u1ec7t gi\u1eefa \u1ed1ng inox c\u00f4ng nghi\u1ec7p v\u00e0 trang tr\u00ed: ti\u00eau chu\u1ea9n (ASTM A312\/A554), m\u00e1c th\u00e9p, \u0111\u1ed9 d\u00e0y, \u00e1p l\u1ef1c, b\u1ec1 m\u1eb7t, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1ch ch\u1ecdn \u0111\u00fang.<\/p>\n","protected":false},"author":7,"featured_media":1025,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2084","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\/2084","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=2084"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2084\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1025"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}