{"id":1157,"date":"2025-10-08T00:34:04","date_gmt":"2025-10-07T17:34:04","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/cach-chon-inox-lan-can-can-bang-tham-my-ben-va-chi-phi\/"},"modified":"2025-10-08T00:34:04","modified_gmt":"2025-10-07T17:34:04","slug":"cach-chon-inox-lan-can-can-bang-tham-my-ben-va-chi-phi","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/cach-chon-inox-lan-can-can-bang-tham-my-ben-va-chi-phi\/","title":{"rendered":"C\u00e1ch ch\u1ecdn inox lan can: c\u00e2n b\u1eb1ng th\u1ea9m m\u1ef9, b\u1ec1n v\u00e0 chi ph\u00ed"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-cac-yeu-to-quyet-dinh-khi-chon-inox-lam-lan-can\">C\u00e1c y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn inox l\u00e0m lan can<\/a><\/li>\n<li><a href=\"#toc-1-chon-mac-inox-theo-moi-truong-thuc-te\">Ch\u1ecdn m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-2-hoan-thien-be-mat-chia-khoa-chong-o-tra-va-giu-ve-\">Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: ch\u00eca kh\u00f3a ch\u1ed1ng \u1ed1 tr\u00e0 v\u00e0 gi\u1eef v\u1ebb \u0111\u1eb9p<\/a><\/li>\n<li><a href=\"#toc-3-quy-cach-vat-lieu-va-tieu-chuan-san-pham\">Quy c\u00e1ch v\u1eadt li\u1ec7u v\u00e0 ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m<\/a><\/li>\n<li><a href=\"#toc-4-kich-thuoc-do-day-va-tai-trong-tham-chieu\">K\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y v\u00e0 t\u1ea3i tr\u1ecdng tham chi\u1ebfu<\/a><\/li>\n<li><a href=\"#toc-5-lien-ket-phu-kien-va-chong-an-mon-dien-hoa\">Li\u00ean k\u1ebft, ph\u1ee5 ki\u1ec7n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/a><\/li>\n<li><a href=\"#toc-6-so-sanh-chi-phi-mua-re-hay-so-huu-re\">So s\u00e1nh chi ph\u00ed: mua r\u1ebb hay s\u1edf h\u1eefu r\u1ebb?<\/a><\/li>\n<li><a href=\"#toc-7-quy-trinh-gia-cong-va-lap-dat-khuyen-nghi\">Quy tr\u00ecnh gia c\u00f4ng v\u00e0 l\u1eafp \u0111\u1eb7t khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-8-bao-tri-toi-thieu-de-luon-nhu-moi\">B\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u \u0111\u1ec3 lu\u00f4n nh\u01b0 m\u1edbi<\/a><\/li>\n<li><a href=\"#toc-9-goi-y-cau-hinh-nhanh-theo-boi-canh\">G\u1ee3i \u00fd c\u1ea5u h\u00ecnh nhanh theo b\u1ed1i c\u1ea3nh<\/a><\/li>\n<li><a href=\"#toc-10-nhung-loi-pho-bien-can-tranh\">Nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-11-checklist-dat-hang-va-nghiem-thu\">Checklist \u0111\u1eb7t h\u00e0ng v\u00e0 nghi\u1ec7m thu<\/a><\/li>\n<li><a href=\"#toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Lan can inox l\u00e0 h\u1ea1ng m\u1ee5c th\u1ec3 hi\u1ec7n r\u00f5 tri\u1ebft l\u00fd \u201c\u0111\u1ea7u t\u01b0 m\u1ed9t l\u1ea7n, d\u00f9ng d\u00e0i l\u00e2u\u201d: \u0111\u1eb9p, s\u1ea1ch, \u00edt b\u1ea3o tr\u00ec v\u00e0 b\u1ec1n v\u1edbi th\u1eddi ti\u1ebft Vi\u1ec7t Nam. Tuy nhi\u00ean, ch\u1ecdn sai m\u00e1c th\u00e9p, b\u1ec1 m\u1eb7t ho\u1eb7c \u0111\u1ed9 d\u00e0y s\u1ebd khi\u1ebfn lan can nhanh \u1ed1 v\u00e0ng, g\u1ec9 \u201ctr\u00e0\u201d, cong v\u00f5ng, \u0111\u1ed9i chi ph\u00ed s\u1eeda ch\u1eefa. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 b\u1ea1n c\u00e2n b\u1eb1ng th\u1ea9m m\u1ef9, \u0111\u1ed9 b\u1ec1n v\u00e0 ng\u00e2n s\u00e1ch khi ch\u1ecdn inox cho lan can, t\u1eeb l\u1ef1a ch\u1ecdn m\u00e1c 201\/304\/316 \u0111\u1ebfn ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, quy c\u00e1ch k\u00edch th\u01b0\u1edbc, ph\u1ee5 ki\u1ec7n v\u00e0 b\u1ea3o tr\u00ec. \u0110\u00e2y l\u00e0 ph\u1ea7n chuy\u00ean s\u00e2u trong b\u1ee9c tranh t\u1ed5ng th\u1ec3 ch\u1ecdn inox theo m\u00f4i tr\u01b0\u1eddng, m\u1ee5c \u0111\u00edch v\u00e0 ng\u00e2n s\u00e1ch \u2014 nh\u01b0ng ho\u00e0n to\u00e0n \u0111\u1ee7 \u0111\u1ec3 b\u1ea1n ra quy\u1ebft \u0111\u1ecbnh ngay.<\/p>\n<h2 id=\"toc-0-cac-yeu-to-quyet-dinh-khi-chon-inox-lam-lan-can\">C\u00e1c y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn inox l\u00e0m lan can<\/h2>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t: trong nh\u00e0\/ngo\u00e0i tr\u1eddi, g\u1ea7n bi\u1ec3n\/h\u1ed3 b\u01a1i, \u0111\u00f4 th\u1ecb \u00f4 nhi\u1ec5m, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<br \/>\n&#8211; Thi\u1ebft k\u1ebf v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: kh\u1ea3 n\u0103ng kh\u00e1ng b\u00e1m b\u1ea9n, ch\u1ed1ng \u201ctea-staining\u201d (\u1ed1 n\u00e2u), d\u1ec5 v\u1ec7 sinh.<br \/>\n&#8211; \u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc: chi\u1ec1u cao, t\u1ea3i tr\u1ecdng lan can, kh\u1ea9u \u0111\u1ed9 gi\u1eefa c\u00e1c tr\u1ee5, \u0111\u1ed9 d\u00e0y \u1ed1ng\/h\u1ed9p.<br \/>\n&#8211; T\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u v\u00e0 li\u00ean k\u1ebft: bu l\u00f4ng, pad \u0111\u1ee1, k\u00ednh\/c\u00e1p d\u00e2y, tr\u00e1nh \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; Chi ph\u00ed v\u00f2ng \u0111\u1eddi (TCO): mua s\u1eafm + gia c\u00f4ng + l\u1eafp \u0111\u1eb7t + v\u1ec7 sinh\/b\u1ea3o tr\u00ec nhi\u1ec1u n\u0103m.<\/p>\n<h2 id=\"toc-1-chon-mac-inox-theo-moi-truong-thuc-te\">Ch\u1ecdn m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf<\/h2>\n<h3>Inox 201 \u2013 \u01afu ti\u00ean n\u1ed9i th\u1ea5t kh\u00f4 r\u00e1o, chi ph\u00ed th\u1ea5p<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n Ni th\u1ea5p, Mn\/N cao \u2192 gi\u00e1 r\u1ebb, b\u1ec1 m\u1eb7t s\u00e1ng.<br \/>\n&#8211; Khuy\u1ebfn ngh\u1ecb: tay v\u1ecbn\/lan can trong nh\u00e0, m\u00f4i tr\u01b0\u1eddng kh\u00f4, \u00edt clorua v\u00e0 SO2 (v\u0103n ph\u00f2ng, nh\u00e0 \u1edf).<br \/>\n&#8211; H\u1ea1n ch\u1ebf: k\u00e9m b\u1ec1n trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, m\u01b0a axit \u0111\u00f4 th\u1ecb, g\u1ea7n bi\u1ec3n\/h\u1ed3 b\u01a1i; d\u1ec5 \u1ed1 tr\u00e0 n\u1ebfu b\u1ea3o tr\u00ec k\u00e9m.<\/p>\n<h3>Inox 304\/304L \u2013 Chu\u1ea9n \u0111a d\u1ee5ng cho ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb<\/h3>\n<p>&#8211; C\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa kh\u00e1ng \u0103n m\u00f2n v\u00e0 chi ph\u00ed; 304L gi\u1ea3m nguy c\u01a1 nh\u1ea1y c\u1ea3m h\u00f3a khi h\u00e0n.<br \/>\n&#8211; Khuy\u1ebfn ngh\u1ecb: ngo\u00e0i tr\u1eddi khu v\u1ef1c n\u1ed9i \u0111\u1ecba\/\u0111\u00f4 th\u1ecb (H\u00e0 N\u1ed9i, B\u1eafc Ninh\u2026), m\u00e1i che b\u00e1n ph\u1ea7n.<br \/>\n&#8211; L\u01b0u \u00fd: v\u1eabn c\u00f3 nguy c\u01a1 \u1ed1 tr\u00e0 \u1edf n\u01a1i \u00f4 nhi\u1ec5m\/\u1ea9m m\u1eb7n; c\u1ea7n ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111\u00fang v\u00e0 v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3.<\/p>\n<h3>Inox 316\/316L \u2013 L\u1ef1a ch\u1ecdn cho m\u00f4i tr\u01b0\u1eddng clorua cao<\/h3>\n<p>&#8211; C\u00f3 Mo (~2\u20132.5%) t\u0103ng kh\u00e1ng r\u1ed7 pitting; 316L t\u1ed1i \u01b0u cho h\u00e0n d\u00e0y.<br \/>\n&#8211; Khuy\u1ebfn ngh\u1ecb: ven bi\u1ec3n (<5\u201310 km b\u1edd bi\u1ec3n, H\u1ea3i Ph\u00f2ng, \u0110\u00e0 N\u1eb5ng, Nha Trang), h\u1ed3 b\u01a1i, khu ngh\u1ec9 d\u01b0\u1ee1ng, c\u1ea7u c\u1ea3ng.\n- V\u1edbi m\u00f4i tr\u01b0\u1eddng bi\u1ec3n tr\u1ef1c di\u1ec7n, \u01b0u ti\u00ean b\u1ec1 m\u1eb7t b\u00f3ng g\u01b0\u01a1ng v\u00e0 v\u1ec7 sinh n\u01b0\u1edbc ng\u1ecdt \u0111\u1ecbnh k\u1ef3.\n\n\n\n<h3>Inox Duplex (v\u00ed d\u1ee5 2205) \u2013 Khi y\u00eau c\u1ea7u b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i<\/h3>\n<p>&#8211; Kh\u00e1ng r\u1ed7\/\u0103n k\u1ebd n\u1ee9t clorua cao, c\u1ee9ng v\u1eefng t\u1ed1t; chi ph\u00ed cao.<br \/>\n&#8211; Khuy\u1ebfn ngh\u1ecb: c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng ven bi\u1ec3n nhi\u1ec1u mu\u1ed1i, khu v\u1ef1c phun s\u00f3ng; ho\u1eb7c kh\u1ea9u \u0111\u1ed9 l\u1edbn c\u1ea7n \u0111\u1ed9 c\u1ee9ng.<\/p>\n<h2 id=\"toc-2-hoan-thien-be-mat-chia-khoa-chong-o-tra-va-giu-ve-\">Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: ch\u00eca kh\u00f3a ch\u1ed1ng \u1ed1 tr\u00e0 v\u00e0 gi\u1eef v\u1ebb \u0111\u1eb9p<\/h2>\n<p>&#8211; Satin\/No.4 (m\u1ecbn 240\u2013320#): th\u1ea9m m\u1ef9 hi\u1ec7n \u0111\u1ea1i, che x\u01b0\u1edbc nh\u1eb9; d\u00f9ng t\u1ed1t cho 304 n\u1ed9i \u0111\u1ecba. C\u1ea7n v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 h\u1ea1n ch\u1ebf b\u00e1m b\u1ea9n.<br \/>\n&#8211; Hairline (HL): \u0111\u01b0\u1eddng v\u00e2n d\u00e0i, \u00edt l\u1ed9 v\u1ebft ch\u1ea1m; ph\u00f9 h\u1ee3p tay v\u1ecbn trong nh\u00e0 v\u00e0 ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb.<br \/>\n&#8211; B\u00f3ng g\u01b0\u01a1ng (No.8\/8K) ho\u1eb7c \u0111i\u1ec7n \u0111\u00e1nh b\u00f3ng (electropolish): b\u1ec1 m\u1eb7t c\u1ef1c m\u1ecbn (Ra th\u1ea5p) \u2192 b\u00e1m mu\u1ed1i\/b\u1ee5i k\u00e9m, d\u1ec5 r\u1eeda s\u1ea1ch; khuy\u1ebfn ngh\u1ecb cho 316 \u1edf ven bi\u1ec3n\/h\u1ed3 b\u01a1i.<br \/>\n&#8211; Bead-blast\/sandblast m\u1edd: th\u1ea9m m\u1ef9 t\u1ed1t nh\u01b0ng b\u1ec1 m\u1eb7t \u201cm\u1edf\u201d h\u01a1n \u2192 d\u1ec5 b\u00e1m b\u1ea9n; tr\u00e1nh d\u00f9ng \u1edf ven bi\u1ec3n.<br \/>\n&#8211; Quy t\u1eafc: m\u00f4i tr\u01b0\u1eddng c\u00e0ng kh\u1eafc nghi\u1ec7t, b\u1ec1 m\u1eb7t c\u00e0ng ph\u1ea3i m\u1ecbn\/b\u00f3ng; k\u1ebft h\u1ee3p v\u1ec7 sinh n\u01b0\u1edbc ng\u1ecdt.<\/p>\n<h2 id=\"toc-3-quy-cach-vat-lieu-va-tieu-chuan-san-pham\">Quy c\u00e1ch v\u1eadt li\u1ec7u v\u00e0 ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m<\/h2>\n<p>&#8211; \u1ed0ng c\u01a1 kh\u00ed h\u00e0n: theo ASTM A554 (ph\u1ed5 bi\u1ebfn t\u1ea1i VN).<br \/>\n&#8211; T\u1ea5m\/\u0111ai, ph\u1ee5 ki\u1ec7n: ASTM A240\/A276.<br \/>\n&#8211; D\u00e2y c\u00e1p: AISI 316, c\u1ea5u tr\u00fac 7&#215;7\/7&#215;19 cho tay v\u1ecbn c\u00e1p.<br \/>\n&#8211; K\u00ednh \u0111i k\u00e8m: temper\/laminated theo TCVN\/EN ph\u00f9 h\u1ee3p t\u1ea3i lan can.<br \/>\n&#8211; Filler h\u00e0n: 201\u2192308L kh\u00f4ng khuy\u1ebfn ngh\u1ecb (do kh\u00e1c m\u00e1c), 304\u2192308L, 316\u2192316L; m\u1ed1i h\u00e0n c\u1ea7n t\u1ea9y\/passivate theo ASTM A380\/A967.<\/p>\n<h2 id=\"toc-4-kich-thuoc-do-day-va-tai-trong-tham-chieu\">K\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y v\u00e0 t\u1ea3i tr\u1ecdng tham chi\u1ebfu<\/h2>\n<p>L\u01b0u \u00fd: lu\u00f4n ki\u1ec3m tra y\u00eau c\u1ea7u TCVN\/QCVN \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf. Th\u00f4ng s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y l\u00e0 tham chi\u1ebfu k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn:<br \/>\n&#8211; Chi\u1ec1u cao lan can:<br \/>\n  &#8211; Ban c\u00f4ng\/s\u00e2n th\u01b0\u1ee3ng: 1,100\u20131,200 mm.<br \/>\n  &#8211; C\u1ea7u thang tay v\u1ecbn: 900\u20131,000 mm.<br \/>\n&#8211; T\u1ea3i ngang d\u1ecdc lan can (tham chi\u1ebfu th\u00f4ng l\u1ec7 qu\u1ed1c t\u1ebf):<br \/>\n  &#8211; Nh\u00e0 \u1edf: 0.75 kN\/m.<br \/>\n  &#8211; C\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng: 1.0\u20133.0 kN\/m t\u00f9y lo\u1ea1i s\u1eed d\u1ee5ng.<br \/>\n&#8211; Kh\u1ea9u \u0111\u1ed9 tr\u1ee5: 900\u20131,200 mm v\u1edbi \u1ed1ng tr\u1ee5 \u0111\u1ee7 d\u00e0y v\u00e0 li\u00ean k\u1ebft v\u1eefng.<br \/>\n&#8211; Khe h\u1edf v\u00ec an to\u00e0n tr\u1ebb em: <100 mm gi\u1eefa c\u00e1c thanh\/infill.\n- Quy c\u00e1ch \u1ed1ng\/h\u1ed9p th\u01b0\u1eddng d\u00f9ng:\n  - Tay v\u1ecbn: tr\u00f2n 42.4\u201350.8 mm; d\u00e0y 1.2\u20131.5 mm (n\u1ed9i th\u1ea5t) \/ 1.5\u20132.0 mm (ngo\u1ea1i th\u1ea5t, c\u00f4ng c\u1ed9ng).\n  - Tr\u1ee5: tr\u00f2n 42.4\u201360.3 mm ho\u1eb7c h\u1ed9p 40x40\u201350x50 mm; d\u00e0y 1.5\u20133.0 mm t\u00f9y t\u1ea3i v\u00e0 kh\u1ea9u \u0111\u1ed9.\n  - Thanh ngang\/infill: tr\u00f2n 12.7\u201319.05 mm; d\u00e0y \u22651.0 mm; c\u00e1p 4\u20136 mm (316).\n- V\u1edbi k\u00ednh: d\u00f9ng pad\/kh\u00f3a k\u00ednh inox 316, gio\u0103ng EPDM; t\u00ednh to\u00e1n chi\u1ec1u d\u00e0y k\u00ednh theo t\u1ea3i v\u00e0 kh\u1ea9u \u0111\u1ed9.\n\n\n\n<h2 id=\"toc-5-lien-ket-phu-kien-va-chong-an-mon-dien-hoa\">Li\u00ean k\u1ebft, ph\u1ee5 ki\u1ec7n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/h2>\n<p>&#8211; D\u00f9ng c\u00f9ng m\u00e1c cho to\u00e0n h\u1ec7: 316 v\u1edbi 316; tr\u00e1nh bu l\u00f4ng th\u00e9p carbon ho\u1eb7c 201 tr\u00ean h\u1ec7 316.<br \/>\n&#8211; C\u00e1ch ly kim lo\u1ea1i kh\u00e1c nhau (nh\u00f4m, th\u00e9p m\u1ea1 k\u1ebdm) b\u1eb1ng gio\u0103ng\/long \u0111en nylon ho\u1eb7c EPDM.<br \/>\n&#8211; Ch\u00e2n \u0111\u1ebf\/tr\u1ee5: base plate 6\u201310 mm, h\u00e0n k\u00edn, d\u00f9ng keo h\u00f3a ch\u1ea5t\/neo c\u01a1 kh\u00ed \u0111\u1ea1t chu\u1ea9n; x\u1eed l\u00fd ch\u1ed1ng th\u1ea5m quanh l\u1ed7 khoan.<br \/>\n&#8211; B\u1ecbt k\u00edn \u0111\u1ea7u \u1ed1ng, n\u00fat ch\u1eb7n \u0111\u1ec3 tr\u00e1nh \u0111\u1ecdng n\u01b0\u1edbc b\u00ean trong.<br \/>\n&#8211; Sau h\u00e0n m\u00e0i: t\u1ea9y g\u1ec9 v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a (pickling\/passivation), r\u1eeda s\u1ea1ch, s\u1ea5y kh\u00f4.<\/p>\n<h2 id=\"toc-6-so-sanh-chi-phi-mua-re-hay-so-huu-re\">So s\u00e1nh chi ph\u00ed: mua r\u1ebb hay s\u1edf h\u1eefu r\u1ebb?<\/h2>\n<p>T\u1ef7 l\u1ec7 chi ph\u00ed v\u1eadt li\u1ec7u tham kh\u1ea3o (c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed9ng theo th\u1ecb tr\u01b0\u1eddng):<br \/>\n&#8211; 201 \u2248 60\u201370% gi\u00e1 304<br \/>\n&#8211; 316 \u2248 140\u2013170% gi\u00e1 304<br \/>\n&#8211; Duplex 2205 \u2248 180\u2013250% gi\u00e1 304<\/p>\n<p>Nh\u01b0ng TCO ph\u1ee5 thu\u1ed9c b\u1ea3o tr\u00ec v\u00e0 tu\u1ed5i th\u1ecd:<br \/>\n&#8211; K\u1ecbch b\u1ea3n \u0111\u00f4 th\u1ecb n\u1ed9i \u0111\u1ecba (H\u00e0 N\u1ed9i, c\u00f3 m\u01b0a axit nh\u1eb9): 304 HL\/No.4 v\u1edbi v\u1ec7 sinh 2\u20134 l\u1ea7n\/n\u0103m th\u01b0\u1eddng r\u1ebb h\u01a1n TCO 201 do 201 d\u1ec5 \u1ed1 tr\u00e0, ph\u1ea3i \u0111\u00e1nh b\u00f3ng l\u1ea1i.<br \/>\n&#8211; K\u1ecbch b\u1ea3n ven bi\u1ec3n (\u22645 km b\u1edd): 316 b\u00f3ng g\u01b0\u01a1ng v\u1ec7 sinh 1\u20132 l\u1ea7n\/th\u00e1ng th\u01b0\u1eddng r\u1ebb h\u01a1n 304 sau 3\u20135 n\u0103m v\u00ec 304 nhanh \u1ed1, ph\u1ea3i x\u1eed l\u00fd b\u1ec1 m\u1eb7t\/l\u00e0m m\u1edbi.<br \/>\n&#8211; C\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng t\u1ea3i cao: t\u0103ng \u0111\u1ed9 d\u00e0y v\u00e0 ch\u1ecdn 316\/2205 gi\u1ea3m r\u1ee7i ro cong v\u00f5ng v\u00e0 s\u1eeda ch\u1eefa, b\u1ea3o to\u00e0n h\u00ecnh \u1ea3nh d\u1ef1 \u00e1n.<\/p>\n<h2 id=\"toc-7-quy-trinh-gia-cong-va-lap-dat-khuyen-nghi\">Quy tr\u00ecnh gia c\u00f4ng v\u00e0 l\u1eafp \u0111\u1eb7t khuy\u1ebfn ngh\u1ecb<\/h2>\n<p>&#8211; C\u1eaft\/h\u00e0n: TIG v\u1edbi kh\u00ed b\u1ea3o v\u1ec7 t\u1ed1t, back purging cho m\u1ed1i h\u00e0n xuy\u00ean; h\u1ea1n ch\u1ebf b\u1eafn t\u00f3e.<br \/>\n&#8211; D\u1ee5ng c\u1ee5 ri\u00eang cho inox, tr\u00e1nh nhi\u1ec5m s\u1eaft t\u1ef1 do t\u1eeb th\u00e9p carbon (g\u00e2y g\u1ec9 n\u00e2u).<br \/>\n&#8211; M\u00e0i\/x\u1eed l\u00fd m\u1ed1i h\u00e0n \u0111\u1ed3ng b\u1ed9 v\u1edbi ho\u00e0n thi\u1ec7n t\u1ed5ng th\u1ec3; kh\u00f4ng \u0111\u1ec3 \u201cv\u1ebft ch\u00e1y xanh\u201d tr\u00ean b\u1ec1 m\u1eb7t.<br \/>\n&#8211; T\u1ea9y\/passivate sau gia c\u00f4ng theo ASTM A380\/A967; r\u1eeda s\u1ea1ch, trung h\u00f2a, s\u1ea5y kh\u00f4.<br \/>\n&#8211; Th\u1eed t\u1ea3i th\u1ef1c t\u1ebf t\u1ea1i ch\u1ed7 sau l\u1eafp \u0111\u1eb7t; ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng v\u1eefng, khe h\u1edf, m\u00e9p s\u1eafc.<\/p>\n<h2 id=\"toc-8-bao-tri-toi-thieu-de-luon-nhu-moi\">B\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u \u0111\u1ec3 lu\u00f4n nh\u01b0 m\u1edbi<\/h2>\n<p>&#8211; \u0110\u00f4 th\u1ecb n\u1ed9i \u0111\u1ecba: lau r\u1eeda b\u1eb1ng n\u01b0\u1edbc v\u00e0 ch\u1ea5t t\u1ea9y trung t\u00ednh 1\u20133 th\u00e1ng\/l\u1ea7n; tr\u00e1ng n\u01b0\u1edbc s\u1ea1ch, lau kh\u00f4.<br \/>\n&#8211; Ven bi\u1ec3n\/h\u1ed3 b\u01a1i: x\u1ecbt r\u1eeda n\u01b0\u1edbc ng\u1ecdt 2\u20134 tu\u1ea7n\/l\u1ea7n; tr\u00e1nh ch\u1ea5t t\u1ea9y ch\u1ee9a clo\/chloride.<br \/>\n&#8211; X\u1eed l\u00fd \u1ed1 tr\u00e0 nh\u1eb9: d\u00f9ng gel axit oxalic\/citric chuy\u00ean d\u1ee5ng cho inox; th\u1eed \u1edf v\u00f9ng khu\u1ea5t tr\u01b0\u1edbc khi x\u1eed l\u00fd to\u00e0n b\u1ed9.<br \/>\n&#8211; B\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t: s\u00e1p b\u1ea3o v\u1ec7\/coat nano \u0111\u1ecbnh k\u1ef3 \u1edf m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<br \/>\n&#8211; L\u1eadp l\u1ecbch ki\u1ec3m tra bul\u00f4ng, m\u1ed1i h\u00e0n, gio\u0103ng ch\u1ed1ng th\u1ea5m m\u1ed7i 6\u201312 th\u00e1ng.<\/p>\n<h2 id=\"toc-9-goi-y-cau-hinh-nhanh-theo-boi-canh\">G\u1ee3i \u00fd c\u1ea5u h\u00ecnh nhanh theo b\u1ed1i c\u1ea3nh<\/h2>\n<p>&#8211; Trong nh\u00e0 kh\u00f4, ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf:<br \/>\n  &#8211; M\u00e1c: 201<br \/>\n  &#8211; Ho\u00e0n thi\u1ec7n: HL\/No.4<br \/>\n  &#8211; Tay v\u1ecbn 42.4 x 1.2\u20131.5 mm; tr\u1ee5 40&#215;40 x 1.2\u20131.5 mm; kho\u1ea3ng tr\u1ee5 900\u20131,000 mm<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb (kh\u00f4ng g\u1ea7n bi\u1ec3n):<br \/>\n  &#8211; M\u00e1c: 304\/304L<br \/>\n  &#8211; Ho\u00e0n thi\u1ec7n: HL\/No.4; khu v\u1ef1c b\u00e1m b\u1ee5i nhi\u1ec1u ch\u1ecdn b\u00e1n b\u00f3ng<br \/>\n  &#8211; Tay v\u1ecbn 42.4\u201350.8 x 1.5\u20132.0 mm; tr\u1ee5 50.8 x 1.5\u20132.0 mm<br \/>\n&#8211; Ven bi\u1ec3n\/h\u1ed3 b\u01a1i:<br \/>\n  &#8211; M\u00e1c: 316\/316L<br \/>\n  &#8211; Ho\u00e0n thi\u1ec7n: No.8\/\u0111i\u1ec7n \u0111\u00e1nh b\u00f3ng<br \/>\n  &#8211; Tay v\u1ecbn 50.8 x 1.5\u20132.0 mm; tr\u1ee5 60.3 x 2.0\u20133.0 mm; ph\u1ee5 ki\u1ec7n, bu l\u00f4ng \u0111\u1ed3ng m\u00e1c 316<br \/>\n&#8211; C\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng, t\u1ea3i cao\/kh\u1ea9u \u0111\u1ed9 l\u1edbn:<br \/>\n  &#8211; M\u00e1c: 316 ho\u1eb7c Duplex 2205<br \/>\n  &#8211; T\u0103ng \u0111\u1ed9 d\u00e0y tr\u1ee5 v\u00e0 base plate; xem x\u00e9t k\u00ednh\/c\u00e1p \u0111\u1ea1t chu\u1ea9n, th\u1eed t\u1ea3i hi\u1ec7n tr\u01b0\u1eddng<\/p>\n<h2 id=\"toc-10-nhung-loi-pho-bien-can-tranh\">Nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n<p>&#8211; D\u00f9ng 201 cho ngo\u00e0i tr\u1eddi \u1ea9m m\u1eb7n \u2192 \u1ed1 tr\u00e0 nhanh, gi\u1ea3m tu\u1ed5i th\u1ecd.<br \/>\n&#8211; B\u1ec1 m\u1eb7t m\u1edd nh\u00e1m \u1edf ven bi\u1ec3n \u2192 b\u00e1m mu\u1ed1i, kh\u00f3 v\u1ec7 sinh.<br \/>\n&#8211; Pha tr\u1ed9n m\u00e1c inox\/\u0111inh, bu l\u00f4ng th\u00e9p th\u01b0\u1eddng \u2192 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; Kh\u00f4ng passivate sau h\u00e0n \u2192 v\u00f9ng nhi\u1ec7t m\u00e0u n\u00e2u, r\u1ed7 s\u1edbm.<br \/>\n&#8211; Tho\u00e1t n\u01b0\u1edbc k\u00e9m \u1edf \u0111\u1ea7u \u1ed1ng\/tr\u1ee5 \u2192 \u0111\u1ecdng n\u01b0\u1edbc, r\u1ec9 b\u1ea9n \u201cch\u1ea3y v\u1ec7t\u201d.<\/p>\n<h2 id=\"toc-11-checklist-dat-hang-va-nghiem-thu\">Checklist \u0111\u1eb7t h\u00e0ng v\u00e0 nghi\u1ec7m thu<\/h2>\n<p>&#8211; M\u00e1c th\u00e9p, ti\u00eau chu\u1ea9n (ASTM A554\/A240), ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u n\u1ebfu c\u1ea7n.<br \/>\n&#8211; Quy c\u00e1ch \u1ed1ng\/h\u1ed9p, \u0111\u1ed9 d\u00e0y \u0111o th\u1ef1c b\u1eb1ng th\u01b0\u1edbc Panme.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111\u1ed3ng b\u1ed9; m\u1eabu duy\u1ec7t tr\u01b0\u1edbc s\u1ea3n xu\u1ea5t.<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n\/fastener \u0111\u1ed3ng m\u00e1c; c\u00f3 l\u1edbp c\u00e1ch ly khi g\u1eafn l\u00ean n\u1ec1n th\u00e9p\/nh\u00f4m.<br \/>\n&#8211; H\u1ed3 s\u01a1 quy tr\u00ecnh h\u00e0n, t\u1ea9y-passivation; bi\u00ean b\u1ea3n v\u1ec7 sinh b\u00e0n giao.<br \/>\n&#8211; K\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 b\u00e0n giao cho ch\u1ee7 s\u1edf h\u1eefu.<\/p>\n<h2 id=\"toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110\u1ec3 c\u00e2n b\u1eb1ng th\u1ea9m m\u1ef9, \u0111\u1ed9 b\u1ec1n v\u00e0 ng\u00e2n s\u00e1ch cho lan can inox:<br \/>\n&#8211; Ch\u1ecdn m\u00e1c \u0111\u00fang theo m\u00f4i tr\u01b0\u1eddng: 201 (trong nh\u00e0 kh\u00f4) \u2192 304 (ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb) \u2192 316 (ven bi\u1ec3n, h\u1ed3 b\u01a1i) \u2192 Duplex (kh\u1eafc nghi\u1ec7t\/t\u1ea3i cao).<br \/>\n&#8211; \u01afu ti\u00ean b\u1ec1 m\u1eb7t c\u00e0ng m\u1ecbn \u1edf m\u00f4i tr\u01b0\u1eddng c\u00e0ng n\u1eb7ng, \u0111\u1eb7c bi\u1ec7t 316 b\u00f3ng g\u01b0\u01a1ng cho ven bi\u1ec3n.<br \/>\n&#8211; Quy c\u00e1ch \u0111\u1ee7 d\u00e0y v\u00e0 li\u00ean k\u1ebft \u0111\u00fang k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u1ea1t t\u1ea3i an to\u00e0n, h\u1ea1n ch\u1ebf cong v\u00f5ng.<br \/>\n&#8211; \u0110\u1ed3ng b\u1ed9 v\u1eadt li\u1ec7u\/ph\u1ee5 ki\u1ec7n, passivate sau h\u00e0n v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<br \/>\nL\u00e0m t\u1ed1t c\u00e1c \u0111i\u1ec3m tr\u00ean, b\u1ea1n s\u1ebd c\u00f3 lan can inox \u0111\u1eb9p l\u00e2u, b\u1ec1n ch\u1eafc v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi \u2014 \u0111\u00fang ngh\u0129a \u201cc\u00e2n b\u1eb1ng ho\u00e0n h\u1ea3o\u201d gi\u1eefa th\u1ea9m m\u1ef9, \u0111\u1ed9 b\u1ec1n v\u00e0 ng\u00e2n s\u00e1ch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn inox lan can theo m\u00f4i tr\u01b0\u1eddng, ho\u00e0n thi\u1ec7n v\u00e0 \u0111\u1ed9 d\u00e0y; so s\u00e1nh 201\/304\/316, t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi, quy c\u00e1ch thi c\u00f4ng v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n","protected":false},"author":7,"featured_media":1069,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1157","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\/1157","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=1157"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1157\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1069"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}