{"id":1255,"date":"2025-11-02T00:33:32","date_gmt":"2025-11-01T17:33:32","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/hang-rao-inox-dep-an-toan-hop-vuong-ong-tron-hay-nan-dac\/"},"modified":"2025-11-02T00:33:32","modified_gmt":"2025-11-01T17:33:32","slug":"hang-rao-inox-dep-an-toan-hop-vuong-ong-tron-hay-nan-dac","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/hang-rao-inox-dep-an-toan-hop-vuong-ong-tron-hay-nan-dac\/","title":{"rendered":"H\u00e0ng r\u00e0o Inox \u0111\u1eb9p &#038; an to\u00e0n: h\u1ed9p vu\u00f4ng, \u1ed1ng tr\u00f2n hay nan \u0111\u1eb7c?"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-vi-sao-chon-inox-cho-hang-rao\">V\u00ec sao ch\u1ecdn Inox cho h\u00e0ng r\u00e0o?<\/a><\/li>\n<li><a href=\"#toc-1-vat-lieu-tieu-chuan-va-quy-cach\">V\u1eadt li\u1ec7u, ti\u00eau chu\u1ea9n v\u00e0 quy c\u00e1ch<\/a><\/li>\n<li><a href=\"#toc-2-so-sanh-3-kieu-hop-vuong-ong-tron-nan-dac\">So s\u00e1nh 3 ki\u1ec3u: h\u1ed9p vu\u00f4ng, \u1ed1ng tr\u00f2n, nan \u0111\u1eb7c<\/a><\/li>\n<li><a href=\"#toc-3-do-cung-an-toan-va-khoang-cach-nan-cac-con-so-can-\">\u0110\u1ed9 c\u1ee9ng, an to\u00e0n v\u00e0 kho\u1ea3ng c\u00e1ch nan: c\u00e1c con s\u1ed1 c\u1ea7n bi\u1ebft<\/a><\/li>\n<li><a href=\"#toc-4-chon-mac-inox-va-do-day-theo-moi-truong-ha-noi\">Ch\u1ecdn m\u00e1c Inox v\u00e0 \u0111\u1ed9 d\u00e0y theo m\u00f4i tr\u01b0\u1eddng H\u00e0 N\u1ed9i<\/a><\/li>\n<li><a href=\"#toc-5-3-cau-hinh-mau-toi-uu-kem-thong-so\">3 c\u1ea5u h\u00ecnh m\u1eabu t\u1ed1i \u01b0u (k\u00e8m th\u00f4ng s\u1ed1)<\/a><\/li>\n<li><a href=\"#toc-6-vi-du-tinh-nhanh-vat-tu-va-chi-phi-tham-khao\">V\u00ed d\u1ee5 t\u00ednh nhanh v\u1eadt t\u01b0 v\u00e0 chi ph\u00ed (tham kh\u1ea3o)<\/a><\/li>\n<li><a href=\"#toc-7-thi-cong-va-kiem-soat-chat-luong\">Thi c\u00f4ng v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li>\n<li><a href=\"#toc-8-bao-tri-va-tuoi-tho\">B\u1ea3o tr\u00ec v\u00e0 tu\u1ed5i th\u1ecd<\/a><\/li>\n<li><a href=\"#toc-9-cau-hoi-nhanh\">C\u00e2u h\u1ecfi nhanh<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan-chon-dung-kieu-hang-rao-inox-cho-cong-tri\">K\u1ebft lu\u1eadn: Ch\u1ecdn \u0111\u00fang ki\u1ec3u h\u00e0ng r\u00e0o Inox cho c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong x\u00e2y d\u1ef1ng d\u00e2n d\u1ee5ng v\u00e0 k\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh, h\u00e0ng r\u00e0o Inox l\u00e0 h\u1ea1ng m\u1ee5c v\u1eeba b\u1ea3o v\u1ec7 v\u1eeba \u0111\u1ecbnh h\u00ecnh th\u1ea9m m\u1ef9 m\u1eb7t ti\u1ec1n. B\u00e0i vi\u1ebft n\u00e0y gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang gi\u1eefa 3 ki\u1ec3u ph\u1ed5 bi\u1ebfn: h\u1ed9p vu\u00f4ng, \u1ed1ng tr\u00f2n v\u00e0 nan \u0111\u1eb7c \u2014 d\u1ef1a tr\u00ean \u0111\u1ed9 c\u1ee9ng, an to\u00e0n s\u1eed d\u1ee5ng, thi c\u00f4ng v\u00e0 chi ph\u00ed, k\u00e8m c\u1ea5u h\u00ecnh m\u1eabu t\u1ed1i \u01b0u cho nh\u00e0 \u1edf, nh\u00e0 x\u01b0\u1edfng t\u1ea1i H\u00e0 N\u1ed9i.<\/p>\n<h2 id=\"toc-0-vi-sao-chon-inox-cho-hang-rao\">V\u00ec sao ch\u1ecdn Inox cho h\u00e0ng r\u00e0o?<\/h2>\n<p>&#8211; B\u1ec1n \u0103n m\u00f2n: Inox 304 ch\u1ecbu m\u01b0a \u1ea9m \u0111\u00f4 th\u1ecb t\u1ed1t, h\u1ea1n ch\u1ebf \u1ed1 tr\u00e0; 316 d\u00f9ng cho m\u00f4i tr\u01b0\u1eddng x\u00e2m th\u1ef1c m\u1ea1nh.<br \/>\n&#8211; B\u1ea3o tr\u00ec th\u1ea5p: Kh\u00f4ng s\u01a1n \u0111\u1ecbnh k\u1ef3 nh\u01b0 th\u00e9p \u0111en\/nh\u00f4m s\u01a1n t\u0129nh \u0111i\u1ec7n.<br \/>\n&#8211; Th\u1ea9m m\u1ef9: B\u1ec1 m\u1eb7t Hairline\/No.8 cho v\u1ebb hi\u1ec7n \u0111\u1ea1i, d\u1ec5 ph\u1ed1i m\u1eb7t \u0111\u1ee9ng.<br \/>\n&#8211; T\u00e1i s\u1eed d\u1ee5ng cao: H\u1ec7 m\u00f4-\u0111un c\u00f3 th\u1ec3 th\u00e1o l\u1eafp, m\u1edf l\u1ed1i ho\u1eb7c gia c\u1ed1.<\/p>\n<p>G\u1ee3i \u00fd v\u1eadt li\u1ec7u theo m\u00f4i tr\u01b0\u1eddng H\u00e0 N\u1ed9i: \u01b0u ti\u00ean Inox 304 cho ngo\u00e0i tr\u1eddi; 201 c\u00f3 th\u1ec3 d\u00f9ng v\u1ecb tr\u00ed c\u00f3 m\u00e1i che; 316 cho khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t\/kh\u00ed SOx\/NOx cao.<\/p>\n<h2 id=\"toc-1-vat-lieu-tieu-chuan-va-quy-cach\">V\u1eadt li\u1ec7u, ti\u00eau chu\u1ea9n v\u00e0 quy c\u00e1ch<\/h2>\n<p>&#8211; M\u00e1c th\u00e9p Inox th\u00f4ng d\u1ee5ng:<br \/>\n  &#8211; 201: \u0111\u1ed9 b\u1ec1n ch\u1ea3y ~275 MPa; \u0103n m\u00f2n trung b\u00ecnh; d\u1ec5 \u1ed1 tr\u00e0 ngo\u00e0i tr\u1eddi.<br \/>\n  &#8211; 304: \u0111\u1ed9 b\u1ec1n ch\u1ea3y ~215 MPa; \u0103n m\u00f2n t\u1ed1t; l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh cho ngo\u1ea1i th\u1ea5t \u0111\u00f4 th\u1ecb.<br \/>\n  &#8211; 316\/316L: \u0111\u1ed9 b\u1ec1n ch\u1ea3y ~170\u2013205 MPa; Mo 2\u20132.5% kh\u00e1ng clorua v\u01b0\u1ee3t tr\u1ed9i.<br \/>\n  &#8211; 430 (ferritic): kh\u00e1ng \u0103n m\u00f2n k\u00e9m h\u01a1n 304; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho ngo\u00e0i tr\u1eddi.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: HL\/Satin (No.4) \u00edt l\u1ed9 v\u1ebft x\u01b0\u1edbc s\u1eed d\u1ee5ng; G\u01b0\u01a1ng (No.8) sang tr\u1ecdng nh\u01b0ng d\u1ec5 l\u1ed9 tr\u1ea7y.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n \u1ed1ng\/ h\u1ed9p: ASTM A554 (\u1ed1ng\/h\u1ed9p trang tr\u00ed h\u00e0n), ASTM A240 (t\u1ea5m), ASTM A312 (\u1ed1ng c\u00f4ng nghi\u1ec7p).<br \/>\n&#8211; Quy c\u00e1ch ph\u1ed5 bi\u1ebfn:<br \/>\n  &#8211; H\u1ed9p vu\u00f4ng: 10\u00d710\u00d70.8\u201360\u00d760\u00d72.0 mm<br \/>\n  &#8211; \u1ed0ng tr\u00f2n: \u00d812.7\u00d70.8 \u2013 \u00d838.1\u00d71.5 mm<br \/>\n  &#8211; Nan \u0111\u1eb7c: \u00d88\u2013\u00d816 mm ho\u1eb7c vu\u00f4ng \u0111\u1eb7c 8\u201312 mm<\/p>\n<h2 id=\"toc-2-so-sanh-3-kieu-hop-vuong-ong-tron-nan-dac\">So s\u00e1nh 3 ki\u1ec3u: h\u1ed9p vu\u00f4ng, \u1ed1ng tr\u00f2n, nan \u0111\u1eb7c<\/h2>\n<h3>1) H\u1ed9p vu\u00f4ng (\u1ed1ng h\u1ed9p)<\/h3>\n<p>&#8211; T\u1ed5ng quan: Ti\u1ebft di\u1ec7n k\u00edn, c\u1ea1nh th\u1eb3ng, hi\u1ec7n \u0111\u1ea1i; d\u1ec5 c\u0103n th\u1eb3ng v\u00e0 l\u1eafp m\u00f4-\u0111un.<br \/>\n&#8211; \u0110\u1ed9 c\u1ee9ng v\u00e0 ch\u1ecbu l\u1ef1c: R\u1ea5t t\u1ed1t theo hai ph\u01b0\u01a1ng, t\u1ef7 l\u1ec7 c\u1ee9ng\/tr\u1ecdng l\u01b0\u1ee3ng cao.<br \/>\n  &#8211; V\u00ed d\u1ee5: h\u1ed9p 16\u00d716\u00d71.0 mm c\u00f3 m\u00f4 men qu\u00e1n t\u00ednh I \u2248 2,260 mm4 (g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u1ed1ng tr\u00f2n \u00d819\u00d71.0 mm).<br \/>\n&#8211; An to\u00e0n: M\u00e9p vu\u00f4ng c\u1ea7n b\u1ecbt \u0111\u1ea7u\/bo m\u00e9p ch\u1ed1ng s\u1eafc; kho\u1ea3ng c\u00e1ch nan \u2264 100 mm \u0111\u1ec3 ch\u1ed1ng k\u1eb9t \u0111\u1ea7u tr\u1ebb nh\u1ecf.<br \/>\n&#8211; Thi c\u00f4ng: C\u1eaft, n\u1eafn v\u00e0 h\u00e0n d\u1ec5; m\u1ed1i h\u00e0n ph\u1eb3ng, d\u1ec5 m\u00e0i k\u00edn; d\u1ec5 l\u1eafp ch\u1ee5p nh\u1ef1a\/ Inox b\u1ecbt \u0111\u1ea7u.<br \/>\n&#8211; Th\u1ea9m m\u1ef9: Phong c\u00e1ch t\u1ed1i gi\u1ea3n, d\u1ec5 ph\u1ed1i m\u1eb7t \u0111\u1ee9ng hi\u1ec7n \u0111\u1ea1i.<br \/>\n&#8211; Chi ph\u00ed: T\u1ed1i \u01b0u nh\u1ea5t tr\u00ean m\u1ed7i m\u00e9t d\u00e0i do ti\u1ebft di\u1ec7n hi\u1ec7u qu\u1ea3 v\u00e0 v\u1eadt t\u01b0 s\u1eb5n.<\/p>\n<p>Ph\u00f9 h\u1ee3p: H\u00e0ng r\u00e0o nh\u00e0 ph\u1ed1, tr\u01b0\u1eddng h\u1ecdc, c\u01a1 s\u1edf y t\u1ebf, khu d\u00e2n c\u01b0.<\/p>\n<h3>2) \u1ed0ng tr\u00f2n<\/h3>\n<p>&#8211; T\u1ed5ng quan: M\u1ec1m th\u1ecb gi\u00e1c, kh\u00f4ng c\u1ea1nh s\u1eafc, ph\u00f9 h\u1ee3p c\u00f4ng tr\u00ecnh c\u00f3 \u0111\u01b0\u1eddng n\u00e9t bo tr\u00f2n.<br \/>\n&#8211; \u0110\u1ed9 c\u1ee9ng: V\u1edbi c\u00f9ng kh\u1ed1i l\u01b0\u1ee3ng, \u1ed1ng tr\u00f2n k\u00e9m c\u1ee9ng h\u01a1n h\u1ed9p; c\u1ea7n t\u0103ng \u0111\u01b0\u1eddng k\u00ednh ho\u1eb7c b\u1ec1 d\u00e0y \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 v\u00f5ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<br \/>\n  &#8211; V\u00ed d\u1ee5: \u1ed1ng \u00d819\u00d71.0 mm c\u00f3 I \u2248 2,297 mm4 (g\u1ea7n b\u1eb1ng h\u1ed9p 16\u00d716\u00d71.0 mm).<br \/>\n&#8211; An to\u00e0n: An to\u00e0n ch\u1ea1m va; d\u1ec5 v\u1ec7 sinh; \u00edt b\u00e1m b\u1ea9n \u1edf g\u00f3c.<br \/>\n&#8211; Thi c\u00f4ng: U\u1ed1n cong t\u1ea1o h\u00ecnh d\u1ec5; m\u1ed1i h\u00e0n v\u00f2ng c\u1ea7n m\u00e0i k\u1ef9 \u0111\u1ec3 li\u1ec1n m\u1ea1ch th\u1ea9m m\u1ef9.<br \/>\n&#8211; Th\u1ea9m m\u1ef9: H\u00e0i h\u00f2a v\u1edbi lan can, tay v\u1ecbn tr\u00f2n, phong c\u00e1ch \u201csoft modern\u201d.<br \/>\n&#8211; Chi ph\u00ed: Nh\u1ec9nh h\u01a1n h\u1ed9p vu\u00f4ng n\u1ebfu y\u00eau c\u1ea7u \u0111\u1ed9 c\u1ee9ng cao (t\u0103ng \u00d8 ho\u1eb7c \u0111\u1ed9 d\u00e0y).<\/p>\n<p>Ph\u00f9 h\u1ee3p: Tr\u01b0\u1eddng h\u1ecdc, khu vui ch\u01a1i, nh\u00e0 \u1edf c\u00f3 tr\u1ebb nh\u1ecf, khu\u00f4n vi\u00ean d\u1ecbch v\u1ee5.<\/p>\n<h3>3) Nan \u0111\u1eb7c (\u0111\u1eb7c tr\u00f2n\/\u0111\u1eb7c vu\u00f4ng)<\/h3>\n<p>&#8211; T\u1ed5ng quan: Nan r\u1eafn, \u00edt m\u00f3p, cho c\u1ea3m gi\u00e1c \u201cch\u1eafc tay\u201d, b\u1ec1n va \u0111\u1eadp.<br \/>\n&#8211; \u0110\u1ed9 c\u1ee9ng: V\u1edbi c\u00f9ng \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf, nan \u0111\u1eb7c k\u00e9m c\u1ee9ng so v\u1edbi \u1ed1ng\/ h\u1ed9p l\u1edbn h\u01a1n; mu\u1ed1n c\u1ee9ng ph\u1ea3i t\u0103ng \u0111\u01b0\u1eddng k\u00ednh, d\u1eabn \u0111\u1ebfn n\u1eb7ng.<br \/>\n  &#8211; V\u00ed d\u1ee5: \u0111\u1eb7c \u00d810 mm c\u00f3 I \u2248 491 mm4 (ch\u1ec9 b\u1eb1ng ~21% \u1ed1ng \u00d819\u00d71.0 mm).<br \/>\n&#8211; An to\u00e0n: Kh\u00f4ng m\u00f3p l\u00f5m khi b\u1ecb \u0111\u1eadp; c\u1ea7n x\u1eed l\u00fd \u0111\u1ea7u nan (b\u1ecbt\/ti\u1ec7n c\u1ea7u) \u0111\u1ec3 tr\u00e1nh nh\u1ecdn.<br \/>\n&#8211; Thi c\u00f4ng: Nhi\u1ec1u m\u1ed1i h\u00e0n h\u01a1n n\u1ebfu m\u1eadt \u0111\u1ed9 d\u00e0y; t\u1ed1n c\u00f4ng m\u00e0i \u0111\u1ea7u; kh\u00f3 gi\u1ea5u bi\u1ebfn d\u1ea1ng nhi\u1ec7t.<br \/>\n&#8211; Th\u1ea9m m\u1ef9: Tinh gi\u1ea3n, c\u00f3 th\u1ec3 ph\u1ed1i \u0111\u1ea7u ch\u00f3p\/\u0111\u1ea7u c\u1ea7u c\u1ed5 \u0111i\u1ec3n.<br \/>\n&#8211; Chi ph\u00ed: V\u1eadt t\u01b0 t\u00ednh theo kg cao h\u01a1n; v\u1eadn chuy\u1ec3n n\u1eb7ng; thi c\u00f4ng m\u1ea5t th\u1eddi gian.<\/p>\n<p>Ph\u00f9 h\u1ee3p: C\u1ed5ng \u2013 h\u00e0ng r\u00e0o bi\u1ec7t th\u1ef1, khu c\u00f4ng nghi\u1ec7p c\u1ea7n ch\u1ed1ng va \u0111\u1eadp, kho b\u00e3i.<\/p>\n<h2 id=\"toc-3-do-cung-an-toan-va-khoang-cach-nan-cac-con-so-can-\">\u0110\u1ed9 c\u1ee9ng, an to\u00e0n v\u00e0 kho\u1ea3ng c\u00e1ch nan: c\u00e1c con s\u1ed1 c\u1ea7n bi\u1ebft<\/h2>\n<p>&#8211; Chi\u1ec1u cao h\u00e0ng r\u00e0o tham kh\u1ea3o:<br \/>\n  &#8211; Nh\u00e0 \u1edf: 1.2\u20131.6 m; Bi\u1ec7t th\u1ef1\/nh\u00e0 v\u01b0\u1eddn: 1.6\u20131.8 m; X\u01b0\u1edfng\/kho: 2.0\u20132.4 m.<br \/>\n&#8211; Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c nan: \u2264 100 mm (khuy\u1ebfn ngh\u1ecb 90\u201395 mm t\u00e2m\u2013t\u00e2m cho nan 16\u201319 mm) \u0111\u1ec3 tr\u00e1nh k\u1eb9t \u0111\u1ea7u tr\u1ebb.<br \/>\n&#8211; Kho\u1ea3ng h\u1edf \u0111\u00e1y: \u2264 80 mm so v\u1edbi n\u1ec1n ho\u00e0n thi\u1ec7n.<br \/>\n&#8211; B\u01b0\u1edbc c\u1ed9t: 1.5\u20132.0 m l\u00e0 t\u1ed1i \u01b0u cho gi\u00f3 c\u1ea5p \u0111\u00f4 th\u1ecb v\u00e0 h\u1ea1n ch\u1ebf v\u00f5ng thanh ngang.<br \/>\n&#8211; T\u1ea3i tr\u1ecdng gi\u00f3: Tham kh\u1ea3o ti\u00eau chu\u1ea9n t\u1ea3i tr\u1ecdng hi\u1ec7n h\u00e0nh (VD: TCVN 2737). V\u1edbi kh\u1ea9u \u0111\u1ed9 nan cao 1.2\u20131.6 m, t\u0103ng \u0111\u1ed9 d\u00e0y thanh ngang v\u00e0 ch\u1ecdn b\u1ea3n m\u00e3 \u2013 bu l\u00f4ng neo ph\u00f9 h\u1ee3p.<br \/>\n&#8211; M\u1ed1i h\u00e0n: TIG (GTAW) cho m\u1ed1i tinh; MIG (GMAW) khi c\u1ea7n n\u0103ng su\u1ea5t; sau h\u00e0n x\u1eed l\u00fd pickling\u2013passivation theo ASTM A380\/A967 \u0111\u1ec3 ph\u1ee5c h\u1ed3i th\u1ee5 \u0111\u1ed9ng.<\/p>\n<h2 id=\"toc-4-chon-mac-inox-va-do-day-theo-moi-truong-ha-noi\">Ch\u1ecdn m\u00e1c Inox v\u00e0 \u0111\u1ed9 d\u00e0y theo m\u00f4i tr\u01b0\u1eddng H\u00e0 N\u1ed9i<\/h2>\n<p>&#8211; Inox 304: L\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh cho ngo\u00e0i tr\u1eddi. D\u00e0y khuy\u1ebfn ngh\u1ecb:<br \/>\n  &#8211; Nan \u0111\u1ee9ng: \u2265 1.0 mm (h\u1ed9p\/\u1ed1ng) ho\u1eb7c \u00d8\u226510 mm (nan \u0111\u1eb7c)<br \/>\n  &#8211; Thanh ngang: \u2265 1.2 mm (h\u1ed9p 30\u201340)<br \/>\n  &#8211; C\u1ed9t: \u2265 1.5 mm (h\u1ed9p 50\u201360)<br \/>\n&#8211; Inox 201: D\u00f9ng \u0111\u01b0\u1ee3c cho khu c\u00f3 m\u00e1i, h\u00e0ng r\u00e0o n\u1ed9i th\u1ea5t; n\u1ebfu ngo\u00e0i tr\u1eddi, t\u0103ng \u0111\u1ed9 d\u00e0y th\u00eam 0.2\u20130.3 mm, v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 tr\u00e1nh \u1ed1 tr\u00e0.<br \/>\n&#8211; Inox 316: C\u1ea7n thi\u1ebft khi c\u00f3 phun s\u01b0\u01a1ng h\u00f3a ch\u1ea5t, h\u1ed3 b\u01a1i clorua, ho\u1eb7c y\u00eau c\u1ea7u tu\u1ed5i th\u1ecd >20 n\u0103m kh\u00f4ng \u1ed1.<\/p>\n<h2 id=\"toc-5-3-cau-hinh-mau-toi-uu-kem-thong-so\">3 c\u1ea5u h\u00ecnh m\u1eabu t\u1ed1i \u01b0u (k\u00e8m th\u00f4ng s\u1ed1)<\/h2>\n<h3>M\u1eabu A \u2013 Hi\u1ec7n \u0111\u1ea1i, ti\u1ebft ki\u1ec7m (khuy\u1ebfn ngh\u1ecb ph\u1ed5 th\u00f4ng)<\/h3>\n<p>&#8211; C\u1ed9t: 60\u00d760\u00d71.5 mm (304), cao 1.6 m, b\u01b0\u1edbc 2.0 m<br \/>\n&#8211; Thanh ngang: 40\u00d740\u00d71.2 mm (304), 2 thanh<br \/>\n&#8211; Nan \u0111\u1ee9ng: 16\u00d716\u00d71.0 mm (304), cao h\u1eefu hi\u1ec7u 1.2\u20131.3 m, t\u00e2m\u2013t\u00e2m 95 mm<br \/>\n&#8211; K\u1ebft n\u1ed1i: H\u00e0n TIG + b\u1ea3n m\u00e3 6 mm, bu l\u00f4ng n\u1edf Inox M10\u2013M12<br \/>\n&#8211; B\u1ecbt \u0111\u1ea7u: N\u1eafp Inox\/nh\u1ef1a \u0111\u1ed3ng m\u00e0u<br \/>\n&#8211; B\u1ec1 m\u1eb7t: Hairline, m\u00e0i li\u1ec1n m\u1ed1i h\u00e0n, passivation<br \/>\n&#8211; \u01afu \u0111i\u1ec3m: C\u1ee9ng, g\u1ecdn, chi ph\u00ed\/ m\u00e9t t\u1ed1i \u01b0u<\/p>\n<h3>M\u1eabu B \u2013 An to\u00e0n tr\u1ebb nh\u1ecf, m\u1ec1m th\u1ecb gi\u00e1c<\/h3>\n<p>&#8211; C\u1ed9t: 50\u00d750\u00d71.5 mm (304)<br \/>\n&#8211; Thanh ngang: 30\u00d760\u00d71.2 mm (\u0111\u1eb7t ngang \u0111\u1ec3 t\u0103ng qu\u00e1n t\u00ednh)<br \/>\n&#8211; Nan \u0111\u1ee9ng: \u1ed0ng tr\u00f2n \u00d819\u00d71.0 mm (304), t\u00e2m\u2013t\u00e2m 90\u201395 mm<br \/>\n&#8211; Bo c\u1ea1nh, b\u1ecbt \u0111\u1ea7u b\u00e1n c\u1ea7u; kh\u00f4ng d\u00f9ng \u0111\u1ea7u nh\u1ecdn<br \/>\n&#8211; \u01afu \u0111i\u1ec3m: Kh\u00f4ng c\u1ea1nh s\u1eafc, lau ch\u00f9i d\u1ec5, h\u1ee3p khu vui ch\u01a1i \u2013 tr\u01b0\u1eddng h\u1ecdc<\/p>\n<h3>M\u1eabu C \u2013 Ch\u1ecbu va \u0111\u1eadp, phong c\u00e1ch c\u1ed5 \u0111i\u1ec3n<\/h3>\n<p>&#8211; C\u1ed9t: 60\u00d760\u00d72.0 mm (304)<br \/>\n&#8211; Thanh ngang: 40\u00d740\u00d71.5 mm (304)<br \/>\n&#8211; Nan \u0111\u1ee9ng: \u0110\u1eb7c \u00d812 mm (304), t\u00e2m\u2013t\u00e2m 90\u2013100 mm; \u0111\u1ea7u c\u1ea7u\/\u0111\u1ea7u ch\u00f3p bo tr\u00f2n<br \/>\n&#8211; \u01afu \u0111i\u1ec3m: Kh\u00f3 m\u00f3p, b\u1ec1n va \u0111\u1eadp; h\u1ee3p c\u1ed5ng \u2013 h\u00e0ng r\u00e0o bi\u1ec7t th\u1ef1, kho b\u00e3i<\/p>\n<h2 id=\"toc-6-vi-du-tinh-nhanh-vat-tu-va-chi-phi-tham-khao\">V\u00ed d\u1ee5 t\u00ednh nhanh v\u1eadt t\u01b0 v\u00e0 chi ph\u00ed (tham kh\u1ea3o)<\/h2>\n<p>Gi\u1ea3 s\u1eed h\u00e0ng r\u00e0o 10 m d\u00e0i, cao 1.4 m theo M\u1eabu A (Inox 304):<br \/>\n&#8211; V\u1eadt t\u01b0 \u01b0\u1edbc t\u00ednh: ~127 kg Inox (nan + thanh ngang + c\u1ed9t + ph\u1ee5 ki\u1ec7n).<br \/>\n&#8211; \u0110\u01a1n gi\u00e1 nguy\u00ean v\u1eadt li\u1ec7u 304 d\u1ea1ng \u1ed1ng\/h\u1ed9p tham kh\u1ea3o H\u00e0 N\u1ed9i 2025: 95,000\u2013125,000 \u0111\/kg (bi\u1ebfn \u0111\u1ed9ng theo th\u1ecb tr\u01b0\u1eddng).<br \/>\n&#8211; Chi ph\u00ed v\u1eadt li\u1ec7u: ~12\u201316 tri\u1ec7u.<br \/>\n&#8211; Gia c\u00f4ng \u2013 l\u1eafp \u0111\u1eb7t (h\u00e0n, m\u00e0i, passivation, nh\u00e2n c\u00f4ng, bulong neo): ~600,000\u2013900,000 \u0111\/m \u2192 6\u20139 tri\u1ec7u.<br \/>\n&#8211; T\u1ed5ng: kho\u1ea3ng 18\u201325 tri\u1ec7u cho 10 m (1.8\u20132.5 tri\u1ec7u\/m).<br \/>\nSo s\u00e1nh nhanh:<br \/>\n&#8211; D\u00f9ng 201: c\u00f3 th\u1ec3 gi\u1ea3m c\u00f2n 1.2\u20131.7 tri\u1ec7u\/m nh\u01b0ng c\u1ea7n b\u1ea3o tr\u00ec k\u1ef9 h\u01a1n.<br \/>\n&#8211; D\u00f9ng 316: t\u0103ng l\u00ean 2.8\u20133.6 tri\u1ec7u\/m t\u00f9y \u0111\u1ed9 d\u00e0y.<\/p>\n<p>L\u01b0u \u00fd: B\u00e1o gi\u00e1 th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c \u0111\u1ed9 d\u00e0y, b\u1ec1 m\u1eb7t, y\u00eau c\u1ea7u h\u00e0n k\u00edn\/gi\u1ea5u m\u1ed1i, \u0111\u1ecba h\u00ecnh thi c\u00f4ng, neo n\u1ec1n.<\/p>\n<h2 id=\"toc-7-thi-cong-va-kiem-soat-chat-luong\">Thi c\u00f4ng v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n<p>&#8211; Chu\u1ea9n b\u1ecb n\u1ec1n m\u00f3ng:<br \/>\n  &#8211; B\u1ea3n m\u00e3 c\u1ed9t 6\u20138 mm; bu l\u00f4ng n\u1edf\/ h\u00f3a ch\u1ea5t Inox M10\u2013M12, s\u00e2u \u2265 8d v\u00e0o b\u00ea t\u00f4ng M200+<br \/>\n  &#8211; M\u1eb7t b\u00ea t\u00f4ng ph\u1eb3ng, sai s\u1ed1 cao \u0111\u1ed9 \u2264 5 mm\/2 m<br \/>\n&#8211; Gia c\u00f4ng:<br \/>\n  &#8211; C\u1eaft b\u1eb1ng c\u01b0a v\u00f2ng\/l\u01b0\u1ee1i h\u1ee3p kim \u0111\u1ec3 h\u1ea1n ch\u1ebf ch\u00e1y b\u1ec1 m\u1eb7t; tr\u00e1nh d\u00f9ng \u0111\u0129a \u0111\u00e3 c\u1eaft th\u00e9p \u0111en<br \/>\n  &#8211; H\u00e0n TIG t\u1ea1i c\u00e1c v\u1ecb tr\u00ed l\u1ed9 m\u1eb7t; MIG\/que \u1edf v\u1ecb tr\u00ed khu\u1ea5t<br \/>\n  &#8211; M\u00e0i s\u1ed1 120\u2013240 theo h\u01b0\u1edbng th\u1edb; \u0111\u1ed3ng nh\u1ea5t th\u1edb Hairline to\u00e0n b\u1ed9<br \/>\n  &#8211; T\u1ea9y m\u1ed1i h\u00e0n (pickling) v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation) theo ASTM A380\/A967<br \/>\n&#8211; L\u1eafp \u0111\u1eb7t:<br \/>\n  &#8211; C\u0103n th\u1eb3ng \u0111\u1ee9ng b\u1eb1ng nivo; khe gi\u00e3n \u00b13 mm m\u1ed7i modul 2 m<br \/>\n  &#8211; B\u1ecbt \u0111\u1ea7u \u1ed1ng\/h\u1ed9p; kho\u00e9t l\u1ed7 tho\u00e1t n\u01b0\u1edbc \u1edf v\u1ecb tr\u00ed khu\u1ea5t \u0111\u1ec3 ch\u1ed1ng \u1ee9 \u0111\u1ecdng<br \/>\n&#8211; Nghi\u1ec7m thu:<br \/>\n  &#8211; \u0110\u1ed9 th\u1eb3ng \u2264 3 mm\/2 m; kho\u1ea3ng c\u00e1ch nan sai l\u1ec7ch \u2264 3 mm; \u0111\u1ed9 rung \u0111\u1ea7u nan khi t\u00e1c d\u1ee5ng l\u1ef1c ngang tay ng\u01b0\u1eddi \u2264 5 mm<br \/>\n  &#8211; Ki\u1ec3m tra v\u1ebft s\u1eaft b\u00e1m, h\u1ea1t x\u1ec9; th\u1eed phun s\u01b0\u01a1ng mu\u1ed1i nh\u1eb9 khu v\u1ef1c h\u00e0n (n\u1ebfu y\u00eau c\u1ea7u)<\/p>\n<h2 id=\"toc-8-bao-tri-va-tuoi-tho\">B\u1ea3o tr\u00ec v\u00e0 tu\u1ed5i th\u1ecd<\/h2>\n<p>&#8211; V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 3\u20136 th\u00e1ng b\u1eb1ng kh\u0103n m\u1ec1m + dung d\u1ecbch pH trung t\u00ednh; tr\u00e1nh Clo \u0111\u1eadm \u0111\u1eb7c.<br \/>\n&#8211; Lo\u1ea1i b\u1ecf v\u1ee5n s\u1eaft\/xi m\u0103ng sau thi c\u00f4ng; ti\u1ebfp x\u00fac v\u1edbi th\u00e9p \u0111en d\u1ec5 g\u00e2y \u1ed1 tr\u00e0.<br \/>\n&#8211; Ki\u1ec3m tra m\u1ed1i h\u00e0n, n\u1eafp b\u1ecbt, bulong neo m\u1ed7i 12 th\u00e1ng; si\u1ebft l\u1ea1i khi c\u1ea7n.<br \/>\n&#8211; V\u1edbi 304 ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb, tu\u1ed5i th\u1ecd 10\u201320 n\u0103m g\u1ea7n nh\u01b0 kh\u00f4ng s\u01a1n; 201 c\u1ea7n v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/p>\n<h2 id=\"toc-9-cau-hoi-nhanh\">C\u00e2u h\u1ecfi nhanh<\/h2>\n<p>&#8211; N\u00ean ch\u1ecdn ki\u1ec3u n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed \u2013 \u0111\u1ed9 c\u1ee9ng? H\u1ed9p vu\u00f4ng.<br \/>\n&#8211; \u01afu ti\u00ean an to\u00e0n cho tr\u1ebb? \u1ed0ng tr\u00f2n v\u1edbi \u0111\u1ea7u b\u1ecbt c\u1ea7u, kho\u1ea3ng c\u00e1ch \u2264 95 mm.<br \/>\n&#8211; Ch\u1ed1ng va \u0111\u1eadp t\u1ed1t nh\u1ea5t? Nan \u0111\u1eb7c \u00d812\u201316 mm, nh\u01b0ng n\u1eb7ng v\u00e0 t\u1ed1n chi ph\u00ed.<br \/>\n&#8211; 304 c\u00f3 \u0111\u1ee7 cho ngo\u00e0i tr\u1eddi H\u00e0 N\u1ed9i? C\u00f3. Ch\u1ec9 c\u1ea7n 316 khi m\u00f4i tr\u01b0\u1eddng x\u00e2m th\u1ef1c m\u1ea1nh.<\/p>\n<h2 id=\"toc-10-ket-luan-chon-dung-kieu-hang-rao-inox-cho-cong-tri\">K\u1ebft lu\u1eadn: Ch\u1ecdn \u0111\u00fang ki\u1ec3u h\u00e0ng r\u00e0o Inox cho c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n<\/h2>\n<p>&#8211; H\u1ed9p vu\u00f4ng: hi\u1ec7u qu\u1ea3 nh\u1ea5t v\u1ec1 c\u1ee9ng\/gi\u00e1, \u0111\u01b0\u1eddng n\u00e9t hi\u1ec7n \u0111\u1ea1i \u2014 ph\u00f9 h\u1ee3p \u0111a s\u1ed1 nh\u00e0 \u1edf v\u00e0 x\u01b0\u1edfng.<br \/>\n&#8211; \u1ed0ng tr\u00f2n: an to\u00e0n ti\u1ebfp x\u00fac, th\u1ea9m m\u1ef9 m\u1ec1m \u2014 h\u1ee3p c\u00f4ng tr\u00ecnh c\u00f3 tr\u1ebb nh\u1ecf v\u00e0 phong c\u00e1ch bo tr\u00f2n.<br \/>\n&#8211; Nan \u0111\u1eb7c: b\u1ec1n va \u0111\u1eadp, \u0111\u1eadm ch\u1ea5t \u201cpremium\u201d \u2014 cho c\u1ed5ng, bi\u1ec7t th\u1ef1, kho b\u00e3i c\u1ea7n ch\u1ed1ng ph\u00e1.<br \/>\nV\u1eadt li\u1ec7u khuy\u1ebfn ngh\u1ecb cho H\u00e0 N\u1ed9i: Inox 304; nan \u2265 1.0 mm, thanh ngang \u2265 1.2 mm, c\u1ed9t \u2265 1.5 mm; kho\u1ea3ng c\u00e1ch nan \u2264 100 mm; h\u00e0n TIG v\u00e0 passivation chu\u1ea9n. V\u1edbi nh\u1eefng ti\u00eau ch\u00ed n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 h\u00e0ng r\u00e0o Inox v\u1eeba \u0111\u1eb9p, v\u1eeba an to\u00e0n, b\u1ec1n l\u00e2u v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>So s\u00e1nh chi ti\u1ebft h\u00e0ng r\u00e0o Inox h\u1ed9p vu\u00f4ng, \u1ed1ng tr\u00f2n v\u00e0 nan \u0111\u1eb7c v\u1ec1 \u0111\u1ed9 c\u1ee9ng, an to\u00e0n, th\u1ea9m m\u1ef9, chi ph\u00ed v\u00e0 l\u1eafp \u0111\u1eb7t. K\u00e8m c\u1ea5u h\u00ecnh m\u1eabu v\u00e0 b\u00e1o gi\u00e1 tham kh\u1ea3o.<\/p>\n","protected":false},"author":7,"featured_media":1003,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1255","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\/1255","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=1255"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1255\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1003"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}