{"id":1206,"date":"2025-10-20T12:33:27","date_gmt":"2025-10-20T05:33:27","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/huong-dan-toan-dien-ong-va-hop-inox-chuan-muc-chon-dung-ung-dung\/"},"modified":"2025-10-25T12:36:12","modified_gmt":"2025-10-25T05:36:12","slug":"huong-dan-toan-dien-ong-va-hop-inox-chuan-muc-chon-dung-ung-dung","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/huong-dan-toan-dien-ong-va-hop-inox-chuan-muc-chon-dung-ung-dung\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n \u1ed1ng v\u00e0 h\u1ed9p Inox: chu\u1ea9n m\u1ef1c, ch\u1ecdn d\u00f9ng, \u1ee9ng d\u1ee5ng"},"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-ong-hop-inox-nguyen-nhan-va-giai-phap-triet-de\/\" target=\"_blank\" rel=\"noopener noreferrer\">N\u1ee9t m\u1ed1i h\u00e0n \u1ed1ng, h\u1ed9p Inox: Nguy\u00ean nh\u00e2n v\u00e0 gi\u1ea3i ph\u00e1p tri\u1ec7t \u0111\u1ec3<\/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-hop-inox-khong-mop-chuan-r-d-chon-mandrel-quy-trinh\/\" target=\"_blank\" rel=\"noopener noreferrer\">U\u1ed1n \u1ed1ng, h\u1ed9p Inox kh\u00f4ng m\u00f3p: chu\u1ea9n R\/D, ch\u1ecdn mandrel, quy tr\u00ecnh<\/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\/chon-inox-hop-lam-cong-hang-rao-lan-can-chiu-luc-dung-chuan\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ch\u1ecdn inox h\u1ed9p l\u00e0m c\u1ed5ng, h\u00e0ng r\u00e0o, lan can ch\u1ecbu l\u1ef1c \u0111\u00fang 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\/tieu-chuan-ong-inox-vi-sinh-astm-a270-asme-bpe-en-10357\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ti\u00eau chu\u1ea9n \u1ed1ng inox vi sinh: ASTM A270, ASME BPE, EN 10357<\/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\/tinh-ap-luc-lam-viec-do-day-thanh-ong-inox-theo-asme-b31-3\/\" target=\"_blank\" rel=\"noopener noreferrer\">T\u00ednh \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c, \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng Inox theo ASME B31.3<\/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\/huong-dan-noi-ong-inox-han-ren-va-bich-chon-cach-toi-uu\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u01b0\u1edbng d\u1eabn n\u1ed1i \u1ed1ng Inox: H\u00e0n, ren v\u00e0 b\u00edch \u2013 ch\u1ecdn c\u00e1ch t\u1ed1i \u01b0u<\/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\/\" 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-do-day-do-bong-va-ung-dung-chuan-ky-thuat\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u1ed0ng inox trang tr\u00ed: \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 b\u00f3ng v\u00e0 \u1ee9ng d\u1ee5ng chu\u1ea9n k\u1ef9 thu\u1eadt<\/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\/\" 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\/giai-ma-astm-a312-a270-a778-ong-inox-cong-nghiep-chon-loai-nao\/\" target=\"_blank\" rel=\"noopener noreferrer\">Gi\u1ea3i m\u00e3 ASTM A312, A270, A778: \u1ed1ng Inox c\u00f4ng nghi\u1ec7p ch\u1ecdn lo\u1ea1i n\u00e0o<\/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-cam-nang-ky-thuat-ve-ong-va-hop-inox-danh-cho-cong\">C\u1ea9m nang k\u1ef9 thu\u1eadt v\u1ec1 \u1ed1ng v\u00e0 h\u1ed9p Inox d\u00e0nh cho c\u00f4ng tr\u00ecnh b\u1ec1n v\u1eefng<\/a><\/li>\n<li><a href=\"#toc-1-tong-quan-nen-tang-ong-va-hop-inox-la-gi-vi-sao-qu\">T\u1ed5ng quan n\u1ec1n t\u1ea3ng: \u1ed0ng v\u00e0 h\u1ed9p Inox l\u00e0 g\u00ec, v\u00ec sao quan tr\u1ecdng?<\/a><\/li>\n<li><a href=\"#toc-2-nhung-khia-canh-cot-loi-khi-lua-chon-va-thi-cong\">Nh\u1eefng kh\u00eda c\u1ea1nh c\u1ed1t l\u00f5i khi l\u1ef1a ch\u1ecdn v\u00e0 thi c\u00f4ng<\/a><\/li>\n<li><a href=\"#toc-3-dao-sau-theo-chuyen-de-tieu-chuan-lua-chon-thi-con\">\u0110\u00e0o s\u00e2u theo chuy\u00ean \u0111\u1ec1: ti\u00eau chu\u1ea9n, l\u1ef1a ch\u1ecdn, thi c\u00f4ng<\/a><\/li>\n<li><a href=\"#toc-4-ung-dung-thuc-te-va-khuyen-nghi-tu-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb t\u1eeb chuy\u00ean gia<\/a><\/li>\n<li><a href=\"#toc-5-ket-luan-va-buoc-tiep-theo\">K\u1ebft lu\u1eadn v\u00e0 b\u01b0\u1edbc ti\u1ebfp theo<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"toc-0-cam-nang-ky-thuat-ve-ong-va-hop-inox-danh-cho-cong\">C\u1ea9m nang k\u1ef9 thu\u1eadt v\u1ec1 \u1ed1ng v\u00e0 h\u1ed9p Inox d\u00e0nh cho c\u00f4ng tr\u00ecnh b\u1ec1n v\u1eefng<\/h2>\n<p>Trong th\u1ef1c t\u1ebf thi c\u00f4ng t\u1ea1i Vi\u1ec7t Nam, \u1ed1ng v\u00e0 h\u1ed9p Inox xu\u1ea5t hi\u1ec7n \u1edf h\u1ea7u h\u1ebft c\u00f4ng tr\u00ecnh t\u1eeb c\u1ea5p tho\u00e1t n\u01b0\u1edbc, th\u1ef1c ph\u1ea9m\u2013d\u01b0\u1ee3c ph\u1ea9m \u0111\u1ebfn ki\u1ebfn tr\u00fac n\u1ed9i ngo\u1ea1i th\u1ea5t. Tuy nhi\u00ean, c\u00e2u h\u1ecfi k\u1ef9 thu\u1eadt l\u1eb7p l\u1ea1i r\u1ea5t nhi\u1ec1u: ch\u1ecdn m\u00e1c th\u00e9p n\u00e0o cho m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n, ti\u00eau chu\u1ea9n n\u00e0o cho \u1ed1ng \u00e1p l\u1ef1c, \u0111\u1ed9 d\u00e0y th\u00e0nh ra sao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, v\u00e0 gia c\u00f4ng th\u1ebf n\u00e0o \u0111\u1ec3 kh\u00f4ng bi\u1ebfn d\u1ea1ng, kh\u00f4ng n\u1ee9t m\u1ed1i h\u00e0n? B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p c\u00f3 h\u1ec7 th\u1ed1ng nh\u1eefng g\u00ec k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u v\u00e0 ch\u1ee7 x\u01b0\u1edfng c\u1ea7n: ph\u00e2n lo\u1ea1i \u1ed1ng\/h\u1ed9p Inox, gi\u1ea3i m\u00e3 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf, c\u00e1ch t\u00ednh \u0111\u1ed9 d\u00e0y theo \u00e1p l\u1ef1c, ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i, c\u00f9ng c\u00e1c l\u01b0u \u00fd thi c\u00f4ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. M\u1ee5c ti\u00eau l\u00e0 gi\u00fap b\u1ea1n ra quy\u1ebft \u0111\u1ecbnh nhanh, \u0111\u00fang, t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi thi\u1ebft b\u1ecb, \u0111\u1ed3ng th\u1eddi t\u1ea1o n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt nh\u1ea5t qu\u00e1n \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, ti\u1ebfn \u0111\u1ed9 v\u00e0 an to\u00e0n cho d\u1ef1 \u00e1n.<\/p>\n<h2 id=\"toc-1-tong-quan-nen-tang-ong-va-hop-inox-la-gi-vi-sao-qu\">T\u1ed5ng quan n\u1ec1n t\u1ea3ng: \u1ed0ng v\u00e0 h\u1ed9p Inox l\u00e0 g\u00ec, v\u00ec sao quan tr\u1ecdng?<\/h2>\n<p>\u1ed0ng Inox l\u00e0 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) ho\u1eb7c l\u00e0m k\u1ebft c\u1ea5u. H\u1ed9p Inox (h\u1ed9p vu\u00f4ng, ch\u1eef nh\u1eadt) l\u00e0 ti\u1ebft di\u1ec7n r\u1ed7ng d\u00f9ng cho khung s\u01b0\u1eddn, lan can, m\u00e1i che, k\u1ebft c\u1ea5u ki\u1ebfn tr\u00fac. V\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 austenitic (304\/304L, 316\/316L) nh\u1edd kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, d\u1ec5 h\u00e0n, b\u1ec1 m\u1eb7t \u0111\u1eb9p; trong m\u00f4i tr\u01b0\u1eddng \u00edt kh\u1eafc nghi\u1ec7t c\u00f3 th\u1ec3 g\u1eb7p 201\/202 cho trang tr\u00ed; v\u1edbi m\u00f4i tr\u01b0\u1eddng chloride cao ho\u1eb7c y\u00eau c\u1ea7u c\u01a1 t\u00ednh cao c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc duplex (2205).<\/p>\n<p>T\u1ea7m quan tr\u1ecdng \u0111\u1ebfn t\u1eeb 3 y\u1ebfu t\u1ed1: \u0111\u1ed9 b\u1ec1n \u0103n m\u00f2n (tu\u1ed5i th\u1ecd), \u0111\u1ed9 b\u1ec1n c\u01a1 (an to\u00e0n) v\u00e0 t\u00ednh th\u1ea9m m\u1ef9 (ki\u1ebfn tr\u00fac). Ch\u1ecdn sai m\u00e1c, sai ti\u00eau chu\u1ea9n ho\u1eb7c sai \u0111\u1ed9 d\u00e0y c\u00f3 th\u1ec3 g\u00e2y r\u00f2 r\u1ec9, v\u00f5ng, n\u1ee9t h\u00e0n, ho\u1eb7c gi\u1ea3m tu\u1ed5i th\u1ecd nghi\u00eam tr\u1ecdng, k\u00e9o theo chi ph\u00ed b\u1ea3o tr\u00ec, d\u1eebng m\u00e1y. V\u00ec v\u1eady hi\u1ec3u \u0111\u00fang ti\u00eau chu\u1ea9n (ASTM, ASME, EN), quy c\u00e1ch (Schedule, Gauge), v\u00e0 k\u1ef9 thu\u1eadt gia c\u00f4ng l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 ki\u1ec3m so\u00e1t r\u1ee7i ro.<\/p>\n<h2 id=\"toc-2-nhung-khia-canh-cot-loi-khi-lua-chon-va-thi-cong\">Nh\u1eefng kh\u00eda c\u1ea1nh c\u1ed1t l\u00f5i khi l\u1ef1a ch\u1ecdn v\u00e0 thi c\u00f4ng<\/h2>\n<h3>1) V\u1eadt li\u1ec7u v\u00e0 m\u00e1c th\u00e9p<\/h3>\n<p>&#8211; 304\/304L: \u0111a d\u1ee5ng, n\u1ed9i\u2013ngo\u1ea1i th\u1ea5t, n\u01b0\u1edbc s\u1ea1ch, kh\u00ed n\u00e9n, lan can. 304L cho m\u1ed1i h\u00e0n \u00edt nh\u1ea1y c\u1ea3m \u0103n m\u00f2n k\u1ebd h\u1ea1t.<br \/>\n&#8211; 316\/316L: c\u00f3 Mo, ch\u1ed1ng pitting\/crevice t\u1ed1t h\u01a1n; ph\u00f9 h\u1ee3p ven bi\u1ec3n, th\u1ef1c ph\u1ea9m, h\u00f3a ch\u1ea5t nh\u1eb9.<br \/>\n&#8211; 201\/202: chi ph\u00ed th\u1ea5p, d\u00f9ng trang tr\u00ed kh\u00f4 r\u00e1o; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho m\u00f4i tr\u01b0\u1eddng chloride.<br \/>\nV\u00ed d\u1ee5: h\u1ec7 th\u1ed1ng n\u01b0\u1edbc RO \u0111\u1ea7u ra n\u00ean \u01b0u ti\u00ean 316L Schedule 10S theo A312.<\/p>\n<h3>2) Quy c\u00e1ch v\u00e0 dung sai<\/h3>\n<p>&#8211; \u1ed0ng tr\u00f2n: theo Schedule (5S, 10S, 40S\u2026) ho\u1eb7c theo \u0111\u1ed9 d\u00e0y mm. Dung sai OD\/WT theo ti\u00eau chu\u1ea9n (A312, A270).<br \/>\n&#8211; H\u1ed9p: theo k\u00edch th\u01b0\u1edbc c\u1ea1nh (mm) v\u00e0 \u0111\u1ed9 d\u00e0y. Ki\u1ec3m tra \u0111\u1ed9 th\u1eb3ng, \u0111\u1ed9 v\u1ed3ng, dung sai g\u00f3c.<br \/>\nV\u00ed d\u1ee5: khung m\u00e1i k\u00ednh d\u00f9ng h\u1ed9p 50x100x2.0 mm thay v\u00ec 1.2 mm \u0111\u1ec3 h\u1ea1n ch\u1ebf v\u00f5ng d\u00e0i nh\u1ecbp 3\u20134 m.<\/p>\n<h3>3) Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng<\/h3>\n<p>&#8211; \u1ed0ng c\u00f4ng nghi\u1ec7p: ASTM A312 (austenitic, h\u00e0n\/\u0111\u00fac), A778 (h\u00e0n, kh\u00f4ng \u1ee7), ki\u1ec3m tra NDT theo y\u00eau c\u1ea7u.<br \/>\n&#8211; \u1ed0ng vi sinh: ASTM A270, ASME BPE (b\u1ec1 m\u1eb7t Ra, \u0111\u1ea7u n\u1ed1i clamp).<br \/>\n&#8211; H\u1ed9p\/k\u1ebft c\u1ea5u: EN 10219\/10210 (tham chi\u1ebfu), TCVN t\u01b0\u01a1ng \u0111\u01b0\u01a1ng khi c\u1ea7n.<br \/>\nCh\u1ee9ng ch\u1ec9 MTC 3.1 gi\u00fap truy xu\u1ea5t ngu\u1ed3n g\u1ed1c, ki\u1ec3m so\u00e1t th\u00e0nh ph\u1ea7n v\u00e0 c\u01a1 t\u00ednh.<\/p>\n<h3>4) B\u1ec1 m\u1eb7t v\u00e0 gia c\u00f4ng<\/h3>\n<p>&#8211; Ho\u00e0n thi\u1ec7n: No.1 (c\u00e1n n\u00f3ng), 2B (c\u00e1n ngu\u1ed9i), HL, Satin 240\/320, g\u01b0\u01a1ng 8K.<br \/>\n&#8211; Gia c\u00f4ng: TIG\/GTAW cho m\u1ed1i h\u00e0n s\u1ea1ch; \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t v\u00e0o \u0111\u1ec3 tr\u00e1nh cong v\u00eanh; x\u1eed l\u00fd pickling\/passivation sau h\u00e0n.<\/p>\n<h3>5) Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng<\/h3>\n<p>&#8211; Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 k\u00edn (hydrostatic\/pneumatic), NDT (PT, RT) cho m\u1ed1i h\u00e0n quan tr\u1ecdng.<br \/>\n&#8211; \u0110o \u0111\u1ed9 nh\u00e1m Ra \u0111\u1ed1i v\u1edbi \u1ed1ng vi sinh; test pitting cho m\u00f4i tr\u01b0\u1eddng chloride.<\/p>\n<h2 id=\"toc-3-dao-sau-theo-chuyen-de-tieu-chuan-lua-chon-thi-con\">\u0110\u00e0o s\u00e2u theo chuy\u00ean \u0111\u1ec1: ti\u00eau chu\u1ea9n, l\u1ef1a ch\u1ecdn, thi c\u00f4ng<\/h2>\n<p>\u1ede l\u1edbp ti\u00eau chu\u1ea9n, nhi\u1ec1u d\u1ef1 \u00e1n g\u1eb7p kh\u00f3 khi \u0111\u1ecdc m\u00e3 ASTM, ph\u00e2n bi\u1ec7t \u201ch\u00e0n\u201d v\u00e0 \u201c\u0111\u00fac\u201d, hay ch\u1ecdn b\u1ec1 m\u1eb7t v\u00e0 dung sai. Ph\u1ea7n chuy\u00ean \u0111\u1ec1 sau s\u1ebd gi\u1ea3i m\u00e3 c\u00e1c ti\u00eau chu\u1ea9n \u1ed1ng c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng g\u1eb7p \u0111\u1ec3 b\u1ea1n \u00e1p d\u1ee5ng \u0111\u00fang h\u1ed3 s\u01a1 m\u1eddi th\u1ea7u v\u00e0 nghi\u1ec7m thu.<br \/>\n<!-- CLUSTER_PLACEHOLDER_1 --><\/p>\n<p>Khi ph\u1ea3i quy\u1ebft \u0111\u1ecbnh gi\u1eefa \u1ed1ng h\u00e0n v\u00e0 \u1ed1ng \u0111\u00fac, b\u1ea1n c\u1ea7n c\u00e2n \u0111\u1ed1i \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c, \u0111\u1ed9 s\u1ea1ch b\u1ec1 m\u1eb7t, kh\u1ea3 n\u0103ng s\u1eb5n h\u00e0ng v\u00e0 ng\u00e2n s\u00e1ch. B\u00e0i chuy\u00ean \u0111\u1ec1 s\u1ebd ph\u00e2n t\u00edch tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec3n h\u00ecnh \u0111\u1ec3 b\u1ea1n ch\u1ecdn nhanh v\u00e0 \u0111\u00fang.<br \/>\n<!-- CLUSTER_PLACEHOLDER_2 --><\/p>\n<p>V\u1edbi c\u00e1c h\u1ea1ng m\u1ee5c trang tr\u00ed, tr\u1ecdng t\u00e2m chuy\u1ec3n sang \u0111\u1ed9 b\u00f3ng, \u0111\u1ed3ng \u0111\u1ec1u m\u00e0u, v\u00e0 \u0111\u1ed9 d\u00e0y h\u1ee3p l\u00fd \u0111\u1ec3 ch\u1ed1ng m\u00f3p khi thi c\u00f4ng. Chuy\u00ean \u0111\u1ec1 d\u01b0\u1edbi \u0111\u00e2y t\u1ed5ng h\u1ee3p c\u00e1c m\u1ed1c \u0111\u1ed9 b\u00f3ng v\u00e0 c\u00e1ch ch\u1ecdn th\u1ef1c t\u1ebf.<br \/>\n<!-- CLUSTER_PLACEHOLDER_3 --><\/p>\n<p>K\u1ebft c\u1ea5u khung s\u01b0\u1eddn \u0111\u00f2i h\u1ecfi t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u1ed1ng v\u00f5ng. H\u01b0\u1edbng d\u1eabn ch\u1ecdn quy c\u00e1ch h\u1ed9p vu\u00f4ng\/ch\u1eef nh\u1eadt s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc\u2013\u0111\u1ed9 d\u00e0y t\u1ed1i \u01b0u cho khung, gi\u00e0n, v\u00e0 v\u00ec k\u00e8o nh\u1eb9.<br \/>\n<!-- CLUSTER_PLACEHOLDER_4 --><\/p>\n<p>Li\u00ean k\u1ebft quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 k\u00edn, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec. So s\u00e1nh h\u00e0n, n\u1ed1i ren v\u00e0 n\u1ed1i b\u00edch theo \u00e1p l\u1ef1c, nhi\u1ec7t \u0111\u1ed9 v\u00e0 kh\u00f4ng gian l\u1eafp \u0111\u1eb7t s\u1ebd gi\u00fap b\u1ea1n \u0111\u1ecbnh chu\u1ea9n ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng.<br \/>\n<!-- CLUSTER_PLACEHOLDER_5 --><\/p>\n<p>T\u00ednh \u0111\u00fang \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng theo \u00e1p l\u1ef1c kh\u00f4ng ch\u1ec9 \u0111\u1ec3 \u201cqua ki\u1ec3m \u0111\u1ecbnh\u201d m\u00e0 c\u00f2n t\u1ed1i \u01b0u chi ph\u00ed. Ch\u00fang t\u00f4i tr\u00ecnh b\u00e0y c\u00f4ng th\u1ee9c ti\u00eau chu\u1ea9n, h\u1ec7 s\u1ed1 v\u1eadt li\u1ec7u v\u00e0 v\u00ed d\u1ee5 t\u00ednh nhanh \u0111\u1ec3 b\u1ea1n \u00e1p d\u1ee5ng.<br \/>\n<!-- CLUSTER_PLACEHOLDER_6 --><\/p>\n<p>Trong ng\u00e0nh th\u1ef1c ph\u1ea9m\u2013d\u01b0\u1ee3c ph\u1ea9m, b\u1ec1 m\u1eb7t v\u00e0 v\u1ec7 sinh l\u00e0 t\u1ed1i th\u01b0\u1ee3ng. Chuy\u00ean \u0111\u1ec1 \u1ed1ng vi sinh s\u1ebd l\u00e0m r\u00f5 ASTM A270, ASME BPE, y\u00eau c\u1ea7u Ra, \u0111\u1ea7u n\u1ed1i clamp v\u00e0 h\u00e0n orbital.<br \/>\n<!-- CLUSTER_PLACEHOLDER_7 --><\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang gia c\u00f4ng c\u1ed5ng, h\u00e0ng r\u00e0o, lan can ch\u1ecbu l\u1ef1c, vi\u1ec7c ch\u1ecdn h\u1ed9p, m\u1ed1i h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t s\u1ebd quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n ngo\u00e0i tr\u1eddi. Ph\u1ea7n sau \u0111\u01b0a ra c\u1ea5u h\u00ecnh tham kh\u1ea3o theo t\u1ea3i th\u1ef1c t\u1ebf.<br \/>\n<!-- CLUSTER_PLACEHOLDER_8 --><\/p>\n<p>U\u1ed1n \u1ed1ng\/h\u1ed9p m\u00e0 kh\u00f4ng m\u00f3p c\u1ea7n hi\u1ec3u b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u, k\u1ef9 thu\u1eadt u\u1ed1n c\u00f3 ch\u00e0y l\u00f5i (mandrel) v\u00e0 m\u1eb9o th\u1ef1c \u0111\u1ecba. Chuy\u00ean \u0111\u1ec1 u\u1ed1n s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3m ph\u1ebf ph\u1ea9m v\u00e0 gi\u1eef th\u1ea9m m\u1ef9.<br \/>\n<!-- CLUSTER_PLACEHOLDER_9 --><\/p>\n<p>N\u1ee9t m\u1ed1i h\u00e0n l\u00e0 r\u1ee7i ro t\u1ed1n k\u00e9m nh\u1ea5t. Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n t\u1eeb n\u1ee9t n\u00f3ng \u0111\u1ebfn nhi\u1ec5m b\u1ea9n v\u00e0 quy tr\u00ecnh kh\u1eafc ph\u1ee5c s\u1ebd gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n ngay t\u1eeb \u0111\u1ea7u.<br \/>\n<!-- CLUSTER_PLACEHOLDER_10 --><\/p>\n<h2 id=\"toc-4-ung-dung-thuc-te-va-khuyen-nghi-tu-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb t\u1eeb chuy\u00ean gia<\/h2>\n<p>&#8211; \u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<br \/>\n  &#8211; N\u01b0\u1edbc c\u00f4ng nghi\u1ec7p\/\u0111i\u1ec1u h\u00f2a: \u1ed0ng A312 TP304L\/316L Schedule 10S\u201340S, h\u00e0n TIG, test \u00e1p theo ASME B31.3.<br \/>\n  &#8211; H\u1ec7 vi sinh (s\u1eefa\/\u0111\u1ed3 u\u1ed1ng): \u1ed0ng A270 316L, Ra \u2264 0.8 \u03bcm, \u0111\u1ea7u clamp, h\u00e0n orbital, CIP\/SIP.<br \/>\n  &#8211; Lan can\/ngo\u1ea1i th\u1ea5t: H\u1ed9p 40x80x1.5\u20132.0 mm SUS304, b\u1ec1 m\u1eb7t HL\/Satin 320, h\u00e0n TIG, passivation ch\u1ed1ng \u1ed1.<br \/>\n  &#8211; C\u1ed5ng\/h\u00e0ng r\u00e0o: H\u1ed9p 50x100x2.0\u20133.0 mm, b\u1ea3n m\u00e3 6\u20138 mm, s\u01a1n\/\u0111\u00e1nh passivation v\u00f9ng h\u00e0n.<\/p>\n<p>&#8211; Case ng\u1eafn:<br \/>\n  &#8211; Tr\u1ea1m b\u01a1m H\u00e0 N\u1ed9i: Chuy\u1ec3n t\u1eeb 304 Schedule m\u1ecfng sang 316L 10S cho \u0111o\u1ea1n g\u1ea7n b\u01a1m h\u00f3a ch\u1ea5t, gi\u1ea3m r\u00f2 r\u1ec9 do pitting 100% sau 18 th\u00e1ng v\u1eadn h\u00e0nh.<br \/>\n  &#8211; Kh\u00e1ch s\u1ea1n ven h\u1ed3: \u0110\u1ed5i lan can 304 1.0 mm sang 1.5 mm HL, th\u00eam g\u00e2n t\u0103ng c\u1ee9ng ch\u00e2n tr\u1ee5, h\u1ebft rung l\u1eafc \u1edf gi\u00f3 c\u1ea5p 6\u20137.<\/p>\n<p>&#8211; Best practices c\u1ea7n tu\u00e2n th\u1ee7:<br \/>\n  1) Ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng: khu v\u1ef1c chloride\/ven bi\u1ec3n \u01b0u ti\u00ean 316L; tr\u00e1nh 201 cho ngo\u1ea1i th\u1ea5t \u1ea9m.<br \/>\n  2) Ki\u1ec3m so\u00e1t WPS\/PQR v\u00e0 th\u1ee3 h\u00e0n: d\u00f9ng que\/d\u00e2y 308L cho 304, 316L cho 316; gi\u1eef nhi\u1ec7t v\u00e0o th\u1ea5p, l\u00e0m s\u1ea1ch tr\u01b0\u1edbc\u2013sau h\u00e0n.<br \/>\n  3) Test \u00e1p v\u00e0 NDT theo r\u1ee7i ro: \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c\/\u0111\u1ed9c h\u1ea1i c\u1ea7n RT\/UT m\u1ed1i h\u00e0n tr\u1ecdng y\u1ebfu v\u00e0 th\u1eed k\u00edn chu\u1ea9n.<br \/>\n  4) B\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t: che ph\u1ee7 khi v\u1eadn chuy\u1ec3n; x\u1eed l\u00fd pickling\u2013passivation sau h\u00e0n; tr\u00e1nh ti\u1ebfp x\u00fac s\u1eaft carbon g\u00e2y g\u1ec9 ngo\u1ea1i lai.<br \/>\n  5) Qu\u1ea3n tr\u1ecb dung sai: \u0111o OD\/WT\/\u0111\u1ed9 th\u1eb3ng; ki\u1ec3m tra \u0111\u1ed9 nh\u00e1m cho \u1ed1ng vi sinh; l\u01b0u h\u1ed3 s\u01a1 MTC, nh\u1eadt k\u00fd h\u00e0n.<\/p>\n<p>&#8211; L\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh:<br \/>\n  &#8211; D\u00f9ng \u1ed1ng h\u00e0n kh\u00f4ng \u1ee7 (A778) cho d\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 cao\/\u00e1p l\u1ef1c cao.<br \/>\n  &#8211; B\u1ecf qua h\u1ec7 s\u1ed1 hi\u1ec7u su\u1ea5t m\u1ed1i h\u00e0n khi t\u00ednh \u0111\u1ed9 d\u00e0y.<br \/>\n  &#8211; U\u1ed1n b\u00e1n k\u00ednh qu\u00e1 nh\u1ecf v\u1edbi \u1ed1ng m\u1ecfng, kh\u00f4ng d\u00f9ng mandrel g\u00e2y nh\u0103n\/m\u00f3p.<br \/>\n  &#8211; Kh\u00f4ng th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation) sau h\u00e0n d\u1eabn \u0111\u1ebfn \u1ed1 v\u00e0ng, g\u1ec9 tr\u00e0.<\/p>\n<h2 id=\"toc-5-ket-luan-va-buoc-tiep-theo\">K\u1ebft lu\u1eadn v\u00e0 b\u01b0\u1edbc ti\u1ebfp theo<\/h2>\n<p>Ch\u1ecdn \u0111\u00fang \u1ed1ng\/h\u1ed9p Inox l\u00e0 b\u00e0i to\u00e1n c\u00e2n b\u1eb1ng gi\u1eefa ti\u00eau chu\u1ea9n, m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c, li\u00ean k\u1ebft v\u00e0 thi c\u00f4ng. Khi n\u1eafm v\u1eefng ph\u00e2n lo\u1ea1i v\u1eadt li\u1ec7u, quy c\u00e1ch, c\u00e1ch t\u00ednh \u0111\u1ed9 d\u00e0y v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i, b\u1ea1n s\u1ebd t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c chi ph\u00ed v\u00f2ng \u0111\u1eddi m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 th\u1ea9m m\u1ef9. C\u1ea7n t\u01b0 v\u1ea5n c\u1ea5u h\u00ecnh cho d\u1ef1 \u00e1n t\u1ea1i H\u00e0 N\u1ed9i ho\u1eb7c b\u00e1o gi\u00e1 nhanh theo ti\u00eau chu\u1ea9n ASTM\/ASME? H\u00e3y li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c th\u1ea9m \u0111\u1ecbnh b\u1ea3n v\u1ebd, \u0111\u1ec1 xu\u1ea5t quy c\u00e1ch v\u00e0 cung c\u1ea5p ch\u1ee9ng ch\u1ec9 MTC \u0111\u1ea7y \u0111\u1ee7.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u1ea9m nang ch\u1ecdn \u1ed1ng\/h\u1ed9p Inox: ph\u00e2n lo\u1ea1i, ti\u00eau chu\u1ea9n, t\u00ednh \u0111\u1ed9 d\u00e0y, ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf cho c\u00f4ng tr\u00ecnh. T\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt t\u1eeb chuy\u00ean gia t\u1ea1i H\u00e0 N\u1ed9i.<\/p>\n","protected":false},"author":7,"featured_media":1042,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1206","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\/1206","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=1206"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1206\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1042"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}