{"id":2101,"date":"2026-06-04T12:33:09","date_gmt":"2026-06-04T05:33:09","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/ong-va-hop-inox-tu-a-z-phan-loai-tieu-chuan-cach-chon-dung\/"},"modified":"2026-06-09T12:34:27","modified_gmt":"2026-06-09T05:34:27","slug":"ong-va-hop-inox-tu-a-z-phan-loai-tieu-chuan-cach-chon-dung","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/ong-va-hop-inox-tu-a-z-phan-loai-tieu-chuan-cach-chon-dung\/","title":{"rendered":"\u1ed0ng v\u00e0 H\u1ed9p Inox t\u1eeb A-Z: Ph\u00e2n lo\u1ea1i, ti\u00eau chu\u1ea9n, c\u00e1ch ch\u1ecdn d\u00f9ng"},"content":{"rendered":"<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/nut-moi-han-tren-ong-hop-inox-nguyen-nhan-va-cach-khac-phuc\/\" target=\"_blank\" rel=\"noopener noreferrer\">N\u1ee9t m\u1ed1i h\u00e0n tr\u00ean \u1ed1ng, h\u1ed9p Inox: Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/a><\/p>\n<\/p><\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/uon-ong-va-hop-inox-khong-bi-mop-ban-kinh-toi-thieu-do-ga-va-quy-trinh-chuan\/\" target=\"_blank\" rel=\"noopener noreferrer\">U\u1ed1n \u1ed1ng v\u00e0 h\u1ed9p Inox kh\u00f4ng b\u1ecb m\u00f3p: b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u, \u0111\u1ed3 g\u00e1 v\u00e0 quy tr\u00ecnh chu\u1ea9n<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/inox-hop-cho-cong-hang-rao-lan-can-chiu-luc-chon-dung-loai\/\" target=\"_blank\" rel=\"noopener noreferrer\">Inox h\u1ed9p cho c\u1ed5ng, h\u00e0ng r\u00e0o, lan can ch\u1ecbu l\u1ef1c: ch\u1ecdn \u0111\u00fang lo\u1ea1i<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-vi-sinh-cho-nganh-thuc-pham-va-duoc-pham\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ti\u00eau chu\u1ea9n \u1ed1ng inox vi sinh cho ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/cach-tinh-ap-luc-lam-viec-va-do-day-ong-inox-theo-chuan-asme-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">C\u00e1ch t\u00ednh \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c v\u00e0 \u0111\u1ed9 d\u00e0y \u1ed1ng Inox theo chu\u1ea9n ASME<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/han-noi-ren-hay-noi-bich-cho-ong-inox-uu-nhuoc-diem-cach-chon\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u00e0n, n\u1ed1i ren hay n\u1ed1i b\u00edch cho \u1ed1ng Inox? \u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m &#038; c\u00e1ch ch\u1ecdn<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/inox-hop-vuong-chu-nhat-chon-quy-cach-cho-khung-ket-cau-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">Inox h\u1ed9p vu\u00f4ng\/ch\u1eef nh\u1eadt: ch\u1ecdn quy c\u00e1ch cho khung, k\u1ebft c\u1ea5u<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/ong-inox-trang-tri-chon-do-day-do-bong-va-ung-dung-chuan\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u1ed0ng inox trang tr\u00ed: Ch\u1ecdn \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u00f3ng v\u00e0 \u1ee9ng d\u1ee5ng chu\u1ea9n<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/ong-inox-han-hay-ong-inox-duc-tieu-chi-chon-dung-cho-du-an-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u1ed0ng inox h\u00e0n hay \u1ed1ng inox \u0111\u00fac: ti\u00eau ch\u00ed ch\u1ecdn \u0111\u00fang cho d\u1ef1 \u00e1n<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/astm-a312-a270-a778-giai-ma-tieu-chuan-ong-inox-cong-nghiep\/\" target=\"_blank\" rel=\"noopener noreferrer\">ASTM A312, A270, A778: Gi\u1ea3i m\u00e3 ti\u00eau chu\u1ea9n \u1ed1ng inox c\u00f4ng nghi\u1ec7p<\/a><\/p>\n<\/p>\n<\/div>\n<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-toan-canh-ong-hop-inox-nen-tang-ky-thuat-ban-can\">To\u00e0n c\u1ea3nh \u1ed1ng &#038; h\u1ed9p inox: n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt b\u1ea1n c\u1ea7n<\/a><\/li>\n<li><a href=\"#toc-1-ong-va-hop-inox-la-gi-va-vi-sao-quan-trong\">\u1ed0ng v\u00e0 h\u1ed9p inox l\u00e0 g\u00ec, v\u00e0 v\u00ec sao quan tr\u1ecdng?<\/a><\/li>\n<li><a href=\"#toc-2-cac-khia-canh-then-chot-khi-chon-onghop-inox\">C\u00e1c kh\u00eda c\u1ea1nh then ch\u1ed1t khi ch\u1ecdn \u1ed1ng\/h\u1ed9p inox<\/a><\/li>\n<li><a href=\"#toc-3-dao-sau-cac-chu-de-lien-quan\">\u0110\u00e0o s\u00e2u c\u00e1c ch\u1ee7 \u0111\u1ec1 li\u00ean quan<\/a><\/li>\n<li><a href=\"#toc-4-ung-dung-thuc-te-va-khuyen-nghi-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb chuy\u00ean gia<\/a><\/li>\n<li><a href=\"#toc-5-ket-luan-va-loi-moi-hanh-dong\">K\u1ebft lu\u1eadn v\u00e0 l\u1eddi m\u1eddi h\u00e0nh \u0111\u1ed9ng<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"toc-0-toan-canh-ong-hop-inox-nen-tang-ky-thuat-ban-can\">To\u00e0n c\u1ea3nh \u1ed1ng &#038; h\u1ed9p inox: n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt b\u1ea1n c\u1ea7n<\/h2>\n<p>T\u1eeb \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng ngh\u1ec7 ch\u1ecbu \u00e1p, khung s\u01b0\u1eddn nh\u00e0 x\u01b0\u1edfng \u0111\u1ebfn lan can, c\u1ed5ng c\u1eeda \u2014 \u1ed1ng v\u00e0 h\u1ed9p inox xu\u1ea5t hi\u1ec7n \u1edf h\u1ea7u h\u1ebft c\u00f4ng tr\u00ecnh c\u01a1 kh\u00ed, MEP v\u00e0 k\u1ebft c\u1ea5u nh\u1eb9. Nh\u01b0ng ch\u1ecdn sai m\u00e1c th\u00e9p, nh\u1ea7m ti\u00eau chu\u1ea9n hay d\u00f9ng nh\u1ea7m lo\u1ea1i \u201ctrang tr\u00ed\u201d cho \u1ee9ng d\u1ee5ng ch\u1ecbu l\u1ef1c c\u00f3 th\u1ec3 khi\u1ebfn chi ph\u00ed \u0111\u1ed9i l\u00ean, ti\u1ebfn \u0111\u1ed9 tr\u1ec5 ho\u1eb7c t\u1ec7 h\u01a1n l\u00e0 m\u1ea5t an to\u00e0n. B\u00e0i vi\u1ebft n\u00e0y l\u00e0 c\u1ea9m nang th\u1ef1c chi\u1ebfn gi\u00fap k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u v\u00e0 ch\u1ee7 x\u01b0\u1edfng \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u: hi\u1ec3u ph\u00e2n lo\u1ea1i \u1ed1ng\/h\u1ed9p inox, n\u1eafm ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn, bi\u1ebft t\u00ednh \u0111\u1ed9 d\u00e0y theo \u00e1p l\u1ef1c, ch\u1ecdn b\u1ec1 m\u1eb7t, ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i v\u00e0 k\u1ef9 thu\u1eadt gia c\u00f4ng kh\u00f4ng l\u00e0m h\u1ecfng v\u1eadt li\u1ec7u. B\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c khung tham chi\u1ebfu r\u00f5 r\u00e0ng, v\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c l\u01b0u \u00fd tr\u00e1nh l\u1ed7i \u0111\u1eaft gi\u00e1 \u2014 \u0111\u1ec3 thi\u1ebft k\u1ebf t\u1ed1i \u01b0u, mua h\u00e0ng \u0111\u00fang, thi c\u00f4ng nhanh v\u00e0 b\u1ec1n.<\/p>\n<h2 id=\"toc-1-ong-va-hop-inox-la-gi-va-vi-sao-quan-trong\">\u1ed0ng v\u00e0 h\u1ed9p inox l\u00e0 g\u00ec, v\u00e0 v\u00ec sao quan tr\u1ecdng?<\/h2>\n<p>&#8211; \u1ed0ng inox: S\u1ea3n ph\u1ea9m d\u1ea1ng tr\u00f2n r\u1ed7ng, d\u00f9ng d\u1eabn l\u01b0u ch\u1ea5t (n\u01b0\u1edbc, kh\u00ed, h\u00f3a ch\u1ea5t, h\u01a1i) ho\u1eb7c l\u00e0m k\u1ebft c\u1ea5u. S\u1ea3n xu\u1ea5t theo hai nh\u00f3m ch\u00ednh: \u1ed1ng h\u00e0n (welded) v\u00e0 \u1ed1ng \u0111\u00fac\/k\u00e9o ngu\u1ed9i (seamless). Quy chu\u1ea9n th\u01b0\u1eddng d\u00f9ng theo ASTM\/ASME v\u00e0 h\u1ec7 Schedule (Sch. 5\/10\/40&#8230;).<br \/>\n&#8211; H\u1ed9p inox: Ti\u1ebft di\u1ec7n vu\u00f4ng ho\u1eb7c ch\u1eef nh\u1eadt (square\/rectangular), \u01b0u ti\u00ean cho khung, gi\u1eb1ng, c\u1ed9t, lan can. Quy c\u00e1ch th\u1ec3 hi\u1ec7n theo chi\u1ec1u r\u1ed9ng x cao x \u0111\u1ed9 d\u00e0y (mm).<br \/>\n&#8211; M\u00e1c th\u00e9p ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam:<br \/>\n  + Austenitic: 201 (kinh t\u1ebf, trong nh\u00e0\/ngo\u00e0i tr\u1eddi nh\u1eb9), 304\/304L (\u0111a d\u1ee5ng), 316\/316L (\u0103n m\u00f2n cao, ven bi\u1ec3n, th\u1ef1c ph\u1ea9m\/d\u01b0\u1ee3c), 310S (nhi\u1ec7t \u0111\u1ed9 cao).<br \/>\n  + Ferritic: 430 (trang tr\u00ed trong nh\u00e0, t\u1eeb t\u00ednh, ch\u1ed1ng \u0103n m\u00f2n trung b\u00ecnh).<br \/>\n&#8211; B\u1ec1 m\u1eb7t: No.1 (c\u00e1n n\u00f3ng), 2B\/BA (c\u00f4ng nghi\u1ec7p), HL\/No.4 (x\u01b0\u1edbc), 8K (g\u01b0\u01a1ng). \u1ea2nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn th\u1ea9m m\u1ef9, \u0111\u1ed9 s\u1ea1ch b\u1ec1 m\u1eb7t, ma s\u00e1t v\u00e0 kh\u1ea3 n\u0103ng b\u00e1m b\u1ea9n.<br \/>\nT\u1ea7m quan tr\u1ecdng: inox mang l\u1ea1i tu\u1ed5i th\u1ecd cao, kh\u00e1ng \u0103n m\u00f2n, s\u1ea1ch v\u1ec7 sinh, d\u1ec5 b\u1ea3o tr\u00ec. L\u1ef1a ch\u1ecdn \u0111\u00fang m\u00e1c th\u00e9p, ti\u00eau chu\u1ea9n v\u00e0 quy c\u00e1ch gi\u00fap t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi, \u0111\u1ea3m b\u1ea3o an to\u00e0n \u00e1p l\u1ef1c\/k\u1ebft c\u1ea5u v\u00e0 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 \u2013 v\u1ec7 sinh c\u1ee7a t\u1eebng ng\u00e0nh.<\/p>\n<h2 id=\"toc-2-cac-khia-canh-then-chot-khi-chon-onghop-inox\">C\u00e1c kh\u00eda c\u1ea1nh then ch\u1ed1t khi ch\u1ecdn \u1ed1ng\/h\u1ed9p inox<\/h2>\n<h3>1) V\u1eadt li\u1ec7u v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/h3>\n<p>&#8211; Ch\u1ecdn 304\/304L cho m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p chung, 316\/316L cho n\u01b0\u1edbc bi\u1ec3n, clorua, CIP\/SIP; 201 cho trang tr\u00ed nh\u1eb9; 430 ch\u1ec9 d\u00f9ng trong nh\u00e0, kh\u00f4 r\u00e1o.<br \/>\n&#8211; V\u00ed d\u1ee5: \u1ed0ng d\u1eabn n\u01b0\u1edbc mu\u1ed1i tu\u1ea7n ho\u00e0n n\u00ean d\u00f9ng 316L \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 r\u1ed7 (pitting) v\u00e0 \u0103n m\u00f2n k\u1ebd (crevice).<\/p>\n<h3>2) K\u1ebft c\u1ea5u, \u00e1p l\u1ef1c v\u00e0 \u0111\u1ed9 d\u00e0y<\/h3>\n<p>&#8211; \u1ed0ng ch\u1ecbu \u00e1p ch\u1ecdn theo \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9, \u0111\u01b0\u1eddng k\u00ednh v\u00e0 \u1ee9ng su\u1ea5t cho ph\u00e9p (theo ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf). Th\u01b0\u1eddng quy \u0111\u1ed5i theo Schedule (Sch.10\/40&#8230;).<br \/>\n&#8211; H\u1ed9p ch\u1ecbu l\u1ef1c xem m\u00f4 men qu\u00e1n t\u00ednh, \u0111\u1ed9 v\u00f5ng, buckling v\u00e0 \u0111i\u1ec1u ki\u1ec7n li\u00ean k\u1ebft. \u0110\u1ed9 d\u00e0y 1.5\u20133.0 mm cho lan can\/khung nh\u1eb9; >3.0 mm cho k\u1ebft c\u1ea5u ch\u1ecbu t\u1ea3i cao.<\/p>\n<h3>3) Ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t: h\u00e0n vs \u0111\u00fac\/k\u00e9o ngu\u1ed9i<\/h3>\n<p>&#8211; \u1ed0ng h\u00e0n: kinh t\u1ebf, \u0111a d\u1ea1ng quy c\u00e1ch, b\u1ec1 m\u1eb7t \u0111\u1eb9p; \u0111\u1ee7 d\u00f9ng cho \u0111a s\u1ed1 h\u1ec7 th\u1ed1ng c\u00f4ng ngh\u1ec7 \u1edf \u00e1p su\u1ea5t trung b\u00ecnh.<br \/>\n&#8211; \u1ed0ng \u0111\u00fac\/k\u00e9o ngu\u1ed9i (seamless): \u01b0u th\u1ebf \u1edf \u00e1p su\u1ea5t\/nhi\u1ec7t \u0111\u1ed9 cao, \u0103n m\u00f2n kh\u1eafc nghi\u1ec7t ho\u1eb7c y\u00eau c\u1ea7u \u0111\u1ed3ng nh\u1ea5t v\u1eadt li\u1ec7u; chi ph\u00ed cao h\u01a1n.<\/p>\n<h3>4) Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 y\u00eau c\u1ea7u v\u1ec7 sinh<\/h3>\n<p>&#8211; C\u00f4ng nghi\u1ec7p: 2B\/BA d\u1ec5 v\u1ec7 sinh, ma s\u00e1t th\u1ea5p.<br \/>\n&#8211; Trang tr\u00ed: HL\/No.4 cho x\u01b0\u1edbc m\u1ecbn, 8K cho g\u01b0\u01a1ng; c\u1ea7n b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t khi gia c\u00f4ng\/l\u1eafp d\u1ef1ng.<br \/>\n&#8211; Vi sinh\/th\u1ef1c ph\u1ea9m: y\u00eau c\u1ea7u \u0111\u1ed9 nh\u00e1m Ra c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5 \u22640.8 \u03bcm), x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation).<\/p>\n<h3>5) Ch\u1ee9ng ch\u1ec9 v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng<\/h3>\n<p>&#8211; Y\u00eau c\u1ea7u MTC theo EN 10204 3.1, th\u1eed PMI, ki\u1ec3m tra k\u00edch th\u01b0\u1edbc\/dung sai, NDT (PT\/RT) t\u00f9y m\u1ee9c r\u1ee7i ro.<br \/>\n&#8211; V\u1edbi \u1ed1ng ch\u1ecbu \u00e1p: th\u1eed th\u1ee7y l\u1ef1c, ki\u1ec3m tra m\u1ed1i h\u00e0n 100% theo y\u00eau c\u1ea7u d\u1ef1 \u00e1n\/ti\u00eau chu\u1ea9n.<\/p>\n<h2 id=\"toc-3-dao-sau-cac-chu-de-lien-quan\">\u0110\u00e0o s\u00e2u c\u00e1c ch\u1ee7 \u0111\u1ec1 li\u00ean quan<\/h2>\n<p>Khi h\u1ec7 th\u1ed1ng \u1ed1ng chuy\u1ec3n t\u1eeb giai \u0111o\u1ea1n thi\u1ebft k\u1ebf sang mua s\u1eafm, ti\u00eau chu\u1ea9n l\u00e0 \u201cng\u00f4n ng\u1eef chung\u201d gi\u1eefa k\u1ef9 s\u01b0, QA\/QC v\u00e0 nh\u00e0 cung c\u1ea5p. Vi\u1ec7c hi\u1ec3u r\u00f5 ph\u1ea1m vi \u00e1p d\u1ee5ng, y\u00eau c\u1ea7u v\u1eadt li\u1ec7u, th\u1eed nghi\u1ec7m v\u00e0 ghi nh\u00e3n c\u1ee7a t\u1eebng chu\u1ea9n s\u1ebd gi\u00fap b\u1ea1n ch\u1ed1t \u0111\u00fang quy c\u00e1ch ngay l\u1ea7n \u0111\u1ea7u.<br \/>\n<!-- CLUSTER_PLACEHOLDER_1 --><\/p>\n<p>M\u1ed9t trong nh\u1eefng quy\u1ebft \u0111\u1ecbnh s\u1edbm v\u00e0 quan tr\u1ecdng l\u00e0 ch\u1ecdn \u1ed1ng h\u00e0n hay \u1ed1ng \u0111\u00fac\/k\u00e9o ngu\u1ed9i. Quy\u1ebft \u0111\u1ecbnh n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p, chi ph\u00ed, ti\u1ebfn \u0111\u1ed9 v\u00e0 c\u1ea3 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y sau thi c\u00f4ng.<br \/>\n<!-- CLUSTER_PLACEHOLDER_2 --><\/p>\n<p>V\u1edbi c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng, n\u1ed9i th\u1ea5t hay bi\u1ec3n b\u1ea3ng, \u1ed1ng inox trang tr\u00ed y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t ho\u00e0n h\u1ea3o, \u0111\u1ed9 d\u00e0y h\u1ee3p l\u00fd v\u00e0 \u0111\u1ed9 b\u00f3ng nh\u1ea5t qu\u00e1n \u0111\u1ec3 thi c\u00f4ng nhanh v\u00e0 \u0111\u1eb9p b\u1ec1n theo th\u1eddi gian.<br \/>\n<!-- CLUSTER_PLACEHOLDER_3 --><\/p>\n<p>\u1ede m\u1ea3ng k\u1ebft c\u1ea5u nh\u1eb9, h\u1ed9p inox vu\u00f4ng\/ch\u1eef nh\u1eadt l\u00e0 \u201cx\u01b0\u01a1ng s\u1ed1ng\u201d c\u1ee7a khung ch\u1ecbu l\u1ef1c. L\u1ef1a ch\u1ecdn ti\u1ebft di\u1ec7n, \u0111\u1ed9 d\u00e0y v\u00e0 m\u00e1c th\u00e9p ph\u00f9 h\u1ee3p s\u1ebd t\u1ea1o n\u00ean t\u1ec9 l\u1ec7 t\u1ed1i \u01b0u gi\u1eefa \u0111\u1ed9 c\u1ee9ng \u2013 tr\u1ecdng l\u01b0\u1ee3ng \u2013 chi ph\u00ed.<br \/>\n<!-- CLUSTER_PLACEHOLDER_4 --><\/p>\n<p>Kh\u00e2u l\u1eafp \u0111\u1eb7t quy\u1ebft \u0111\u1ecbnh 50% \u0111\u1ed9 b\u1ec1n h\u1ec7 th\u1ed1ng \u1ed1ng. B\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u00fang khi n\u00e0o h\u00e0n l\u00e0 t\u1ed1i \u01b0u, khi n\u00e0o d\u00f9ng n\u1ed1i ren hay n\u1ed1i b\u00edch \u0111\u1ec3 b\u1ea3o tr\u00ec thu\u1eadn ti\u1ec7n, \u0111\u1ed3ng th\u1eddi v\u1eabn b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 k\u00edn v\u00e0 an to\u00e0n.<br \/>\n<!-- CLUSTER_PLACEHOLDER_5 --><\/p>\n<p>Thi\u1ebft k\u1ebf \u1ed1ng ch\u1ecbu \u00e1p kh\u00f4ng th\u1ec3 thi\u1ebfu b\u01b0\u1edbc t\u00ednh \u0111\u1ed9 d\u00e0y th\u00e0nh theo \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c. \u00c1p d\u1ee5ng c\u00f4ng th\u1ee9c \u0111\u00fang chu\u1ea9n v\u00e0 h\u1ec7 s\u1ed1 v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p gi\u00fap tr\u00e1nh t\u00ecnh tr\u1ea1ng \u201cd\u00e0y qu\u00e1 t\u1ed1n chi ph\u00ed\u201d hay \u201cm\u1ecfng g\u00e2y r\u1ee7i ro\u201d.<br \/>\n<!-- CLUSTER_PLACEHOLDER_6 --><\/p>\n<p>Trong ng\u00e0nh th\u1ef1c ph\u1ea9m \u2013 d\u01b0\u1ee3c ph\u1ea9m, y\u00eau c\u1ea7u v\u1ec7 sinh v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c nghi\u00eam ng\u1eb7t. Vi\u1ec7c tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n \u1ed1ng vi sinh, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t, h\u00e0n qu\u1ef9 \u0111\u1ea1o v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a h\u1ec7 th\u1ed1ng an to\u00e0n, s\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh.<br \/>\n<!-- CLUSTER_PLACEHOLDER_7 --><\/p>\n<p>Lan can, h\u00e0ng r\u00e0o, c\u1ed5ng ch\u1ecbu l\u1ef1c v\u1eeba c\u1ea7n th\u1ea9m m\u1ef9, v\u1eeba ph\u1ea3i b\u1ec1n v\u1eefng tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng gi\u00f3, rung v\u00e0 \u0103n m\u00f2n ngo\u00e0i tr\u1eddi. Ch\u1ecdn h\u1ed9p inox \u0111\u00fang quy c\u00e1ch gi\u00fap thi c\u00f4ng nhanh, gi\u1ea3m b\u1ea3o tr\u00ec v\u00e0 an to\u00e0n s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<br \/>\n<!-- CLUSTER_PLACEHOLDER_8 --><\/p>\n<p>Gia c\u00f4ng u\u1ed1n l\u00e0 c\u00f4ng \u0111o\u1ea1n d\u1ec5 g\u00e2y m\u00f3p, nh\u0103n ho\u1eb7c bi\u1ebfn c\u1ee9ng n\u1ebfu ch\u1ecdn sai b\u00e1n k\u00ednh u\u1ed1n v\u00e0 \u0111\u1ed3 g\u00e1. N\u1eafm k\u1ef9 thu\u1eadt u\u1ed1n \u0111\u00fang gi\u00fap gi\u1ea3m ph\u1ebf, b\u1ea3o to\u00e0n th\u1ea9m m\u1ef9 v\u00e0 \u0111\u1ed9 b\u1ec1n m\u1ecfi c\u1ee7a chi ti\u1ebft.<br \/>\n<!-- CLUSTER_PLACEHOLDER_9 --><\/p>\n<p>M\u1ed1i h\u00e0n l\u00e0 \u0111i\u1ec3m nh\u1ea1y c\u1ea3m nh\u1ea5t c\u1ee7a \u1ed1ng\/h\u1ed9p inox. Hi\u1ec3u c\u01a1 ch\u1ebf n\u1ee9t n\u00f3ng, n\u1ee9t ngu\u1ed9i v\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u00e1nh s\u1ebd gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng ngay t\u1ea1i x\u01b0\u1edfng v\u00e0 tr\u00ean c\u00f4ng tr\u01b0\u1eddng.<br \/>\n<!-- CLUSTER_PLACEHOLDER_10 --><\/p>\n<h2 id=\"toc-4-ung-dung-thuc-te-va-khuyen-nghi-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb chuy\u00ean gia<\/h2>\n<p>&#8211; H\u1ec7 th\u1ed1ng n\u01b0\u1edbc RO\/DI, th\u1ef1c ph\u1ea9m: ch\u1ecdn 316L, \u1ed1ng theo ASTM A270 ho\u1eb7c theo y\u00eau c\u1ea7u v\u1ec7 sinh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng; b\u1ec1 m\u1eb7t Ra \u22640.8 \u03bcm; h\u00e0n TIG\/Orbital v\u1edbi back purging; th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n; th\u1eed s\u1ea1ch v\u00e0 ki\u1ec3m tra ATP n\u1ebfu c\u1ea7n.<br \/>\n&#8211; \u0110\u01b0\u1eddng \u1ed1ng c\u00f4ng ngh\u1ec7 chung\/MEP: 304\/304L; \u1ed1ng Sch.10 cho c\u1ea5p n\u01b0\u1edbc\/kh\u00ed \u1edf \u00e1p trung b\u00ecnh; m\u1ed1i h\u00e0n ki\u1ec3m tra PT; g\u1ed1i \u0111\u1ee1 c\u00f3 \u0111\u1ec7m c\u00e1ch ly \u0111\u1ec3 tr\u00e1nh m\u00e0i m\u00f2n c\u1ee5c b\u1ed9.<br \/>\n&#8211; Khung s\u01b0\u1eddn, m\u00e1i che, bi\u1ec3n b\u1ea3ng: h\u1ed9p 201\/304 d\u00e0y 1.2\u20132.0 mm; b\u1ec1 m\u1eb7t HL\/No.4; b\u1ecbt \u0111\u1ea7u v\u00e0 tho\u00e1t n\u01b0\u1edbc ng\u01b0ng \u0111\u1ec3 h\u1ea1n ch\u1ebf r\u1ec9 b\u1ea9n.<br \/>\n&#8211; Lan can, c\u1ea7u thang ngo\u00e0i tr\u1eddi, ven bi\u1ec3n: h\u1ed9p 304 d\u00e0y 1.5\u20133.0 mm ho\u1eb7c 316 n\u1ebfu g\u1ea7n bi\u1ec3n; x\u1eed l\u00fd m\u1ed1i h\u00e0n v\u00e0 ph\u1ee7 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t sau l\u1eafp.<br \/>\n&#8211; H\u1ec7 th\u1ed1ng h\u01a1i\/nhi\u1ec7t \u0111\u1ed9 cao: 304\/316 seamless cho \u00e1p cao\/nhi\u1ec7t cao; t\u00ednh \u0111\u1ed9 d\u00e0y theo \u00e1p \u2013 nhi\u1ec7t \u2013 \u0103n m\u00f2n d\u1ef1 ph\u00f2ng; b\u00f9 gi\u00e3n n\u1edf b\u1eb1ng kh\u1edbp gi\u00e3n.<\/p>\n<p>C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh:<br \/>\n1) D\u00f9ng \u1ed1ng trang tr\u00ed cho h\u1ec7 th\u1ed1ng ch\u1ecbu \u00e1p ho\u1eb7c nhi\u1ec7t cao, kh\u00f4ng theo Schedule\/ti\u00eau chu\u1ea9n.<br \/>\n2) Ch\u1ecdn sai m\u00e1c th\u00e9p so v\u1edbi m\u00f4i tr\u01b0\u1eddng ch\u1ee9a clorua\/ven bi\u1ec3n d\u1eabn t\u1edbi r\u1ed7 v\u00e0 h\u1ecfng s\u1edbm.<br \/>\n3) Kh\u00f4ng x\u1eed l\u00fd sau h\u00e0n (pickling\/passivation), \u0111\u1ec3 l\u1ea1i v\u00f9ng b\u1ecb thi\u00eau k\u1ebft, g\u00e2y \u0103n m\u00f2n k\u1ebd.<br \/>\n4) U\u1ed1n b\u00e1n k\u00ednh qu\u00e1 nh\u1ecf, thi\u1ebfu ch\u00e0y ch\u1ed1ng m\u00f3p; kh\u00f4ng b\u00f9 h\u1ed3i xu\u00e2n, g\u00e2y nh\u0103n\/m\u00f3p.<br \/>\n5) L\u1eabn nhi\u1ec5m s\u1eaft carbon khi gia c\u00f4ng chung \u0111\u1ed3 g\u00e1, l\u00e0m b\u1ec1 m\u1eb7t inox \u201cr\u1ec9 gi\u1ea3\u201d.<\/p>\n<p>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t:<br \/>\n&#8211; X\u00e1c \u0111\u1ecbnh r\u00f5 th\u00f4ng s\u1ed1 thi\u1ebft k\u1ebf (\u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9, l\u01b0u ch\u1ea5t, v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t) tr\u01b0\u1edbc khi ch\u1ed1t m\u00e1c, ti\u00eau chu\u1ea9n v\u00e0 \u0111\u1ed9 d\u00e0y.<br \/>\n&#8211; Y\u00eau c\u1ea7u MTC 3.1, PMI ng\u1eabu nhi\u00ean, ki\u1ec3m tra dung sai; ni\u00eam phong, b\u1ea3o qu\u1ea3n kh\u00f4 v\u00e0 c\u00f3 m\u00e0ng b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t.<br \/>\n&#8211; Quy \u0111\u1ecbnh WPS\/PQR cho h\u00e0n inox, d\u00f9ng que\/d\u00e2y ph\u00f9 h\u1ee3p (308L\/309L\/316L), ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ea7u v\u00e0o v\u00e0 nhi\u1ec7t \u0111\u1ed9 gi\u1eefa c\u00e1c l\u1edbp h\u00e0n.<br \/>\n&#8211; L\u1eadp k\u1ebf ho\u1ea1ch th\u1eed \u00e1p, NDT theo m\u1ee9c r\u1ee7i ro; v\u1ec7 sinh v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3.<\/p>\n<h2 id=\"toc-5-ket-luan-va-loi-moi-hanh-dong\">K\u1ebft lu\u1eadn v\u00e0 l\u1eddi m\u1eddi h\u00e0nh \u0111\u1ed9ng<\/h2>\n<p>Ch\u1ecdn \u0111\u00fang \u1ed1ng\/h\u1ed9p inox b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c hi\u1ec3u ti\u00eau chu\u1ea9n, m\u00e1c th\u00e9p, \u0111\u1ed9 d\u00e0y, b\u1ec1 m\u1eb7t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i \u2013 gia c\u00f4ng. Khi l\u00e0m t\u1ed1t t\u1eeb kh\u00e2u thi\u1ebft k\u1ebf \u0111\u1ebfn thi c\u00f4ng, b\u1ea1n s\u1ebd c\u00f3 h\u1ec7 th\u1ed1ng b\u1ec1n, s\u1ea1ch, an to\u00e0n v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi. N\u1ebfu b\u1ea1n c\u1ea7n h\u1ed7 tr\u1ee3 r\u00e0 so\u00e1t b\u1ea3n v\u1ebd, quy \u0111\u1ed5i ti\u00eau chu\u1ea9n, t\u00ednh \u0111\u1ed9 d\u00e0y ho\u1eb7c ch\u1ecdn quy c\u00e1ch h\u00e0ng t\u1ed3n kho s\u1eb5n t\u1ea1i H\u00e0 N\u1ed9i \u0111\u1ec3 r\u00fat ng\u1eafn ti\u1ebfn \u0111\u1ed9, h\u00e3y 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 v\u00e0 nh\u1eadn b\u00e1o gi\u00e1 nhanh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng h\u1ee3p chu\u1ea9n k\u1ef9 thu\u1eadt, c\u00e1ch ch\u1ecdn \u1ed1ng\/h\u1ed9p inox theo t\u1ea3i, \u00e1p v\u00e0 \u1ee9ng d\u1ee5ng. H\u01b0\u1edbng d\u1eabn n\u1ed1i, u\u1ed1n, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng, tr\u00e1nh l\u1ed7i thi c\u00f4ng. Li\u00ean h\u1ec7 t\u01b0 v\u1ea5n.<\/p>\n","protected":false},"author":7,"featured_media":1029,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2101","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\/2101","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=2101"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2101\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1029"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}