{"id":1648,"date":"2026-02-08T00:34:38","date_gmt":"2026-02-07T17:34:38","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/thanh-dac-inox-lap-tron-thanh-v-la-duc-kich-thuoc-mac-ung-dung\/"},"modified":"2026-02-08T00:34:38","modified_gmt":"2026-02-07T17:34:38","slug":"thanh-dac-inox-lap-tron-thanh-v-la-duc-kich-thuoc-mac-ung-dung","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/thanh-dac-inox-lap-tron-thanh-v-la-duc-kich-thuoc-mac-ung-dung\/","title":{"rendered":"Thanh \u0111\u1eb7c Inox: L\u00e1p tr\u00f2n, Thanh V, La \u0111\u00fac \u2013 k\u00edch th\u01b0\u1edbc, m\u00e1c, \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-1-thanh-dac-inox-la-gi-uu-diem-va-vai-tro\">1) Thanh \u0111\u1eb7c inox l\u00e0 g\u00ec? \u01afu \u0111i\u1ec3m v\u00e0 vai tr\u00f2<\/a><\/li>\n<li><a href=\"#toc-1-2-phan-loai-chi-tiet-va-cong-dung\">2) Ph\u00e2n lo\u1ea1i chi ti\u1ebft v\u00e0 c\u00f4ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-2-3-chon-mac-thep-theo-moi-truong-lam-viec\">3) Ch\u1ecdn m\u00e1c th\u00e9p theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/a><\/li>\n<li><a href=\"#toc-3-4-kich-thuoc-trong-luong-quy-doi-va-vi-du-tinh\">4) K\u00edch th\u01b0\u1edbc \u2013 tr\u1ecdng l\u01b0\u1ee3ng quy \u0111\u1ed5i v\u00e0 v\u00ed d\u1ee5 t\u00ednh<\/a><\/li>\n<li><a href=\"#toc-4-5-dung-sai-be-mat-va-chung-chi-chat-luong\">5) Dung sai, b\u1ec1 m\u1eb7t v\u00e0 ch\u1ee9ng ch\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li>\n<li><a href=\"#toc-5-6-gia-cong-cat-khoan-tien-uon-va-han\">6) Gia c\u00f4ng: c\u1eaft, khoan ti\u1ec7n, u\u1ed1n v\u00e0 h\u00e0n<\/a><\/li>\n<li><a href=\"#toc-6-7-ung-dung-theo-nganh\">7) \u1ee8ng d\u1ee5ng theo ng\u00e0nh<\/a><\/li>\n<li><a href=\"#toc-7-8-quy-trinh-chon-nhanh-theo-bai-toan-thuc-te\">8) Quy tr\u00ecnh ch\u1ecdn nhanh theo b\u00e0i to\u00e1n th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-8-9-hoi-dap-nhanh\">9) H\u1ecfi \u2013 \u0111\u00e1p nhanh<\/a><\/li>\n<li><a href=\"#toc-9-10-bao-gia-cung-ung-tai-ha-noi\">10) B\u00e1o gi\u00e1 &#038; cung \u1ee9ng t\u1ea1i H\u00e0 N\u1ed9i<\/a><\/li>\n<li><a href=\"#toc-10-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Thanh \u0111\u1eb7c inox l\u00e0 nh\u00f3m s\u1ea3n ph\u1ea9m c\u1ed1t l\u00f5i b\u00ean c\u1ea1nh t\u1ea5m, cu\u1ed9n, \u1ed1ng v\u00e0 h\u1ed9p trong chu\u1ed7i v\u1eadt t\u01b0 inox c\u00f4ng nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y \u0111i th\u1eb3ng v\u00e0o 3 d\u1ea1ng ch\u00ednh \u2013 L\u00e1p tr\u00f2n (round bar), Thanh V (angle), La \u0111\u00fac (flat bar) \u2013 k\u00e8m ti\u00eau chu\u1ea9n, k\u00edch th\u01b0\u1edbc, dung sai, c\u00e1ch t\u00ednh tr\u1ecdng l\u01b0\u1ee3ng, ch\u1ecdn m\u00e1c th\u00e9p theo m\u00f4i tr\u01b0\u1eddng v\u00e0 \u1ee9ng d\u1ee5ng \u0111\u1eb7c th\u00f9.<\/p>\n<h2 id=\"toc-0-1-thanh-dac-inox-la-gi-uu-diem-va-vai-tro\">1) Thanh \u0111\u1eb7c inox l\u00e0 g\u00ec? \u01afu \u0111i\u1ec3m v\u00e0 vai tr\u00f2<\/h2>\n<p>&#8211; Kh\u00e1i ni\u1ec7m: Thanh \u0111\u1eb7c inox l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 d\u1ea1ng thanh \u0111\u1eb7c ti\u1ebft di\u1ec7n tr\u00f2n, g\u00f3c V (L), ho\u1eb7c d\u1eb9t (la). \u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1n n\u00f3ng, k\u00e9o ngu\u1ed9i, ho\u1eb7c x\u1ebb \u2013 n\u1eafn \u2013 m\u00e0i \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<br \/>\n&#8211; \u01afu \u0111i\u1ec3m:<br \/>\n  &#8211; Ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t (\u0111\u1eb7c bi\u1ec7t v\u1edbi 304\/316\/316L).<br \/>\n  &#8211; C\u01a1 t\u00ednh \u1ed5n \u0111\u1ecbnh, d\u1ec5 gia c\u00f4ng c\u01a1 kh\u00ed, h\u00e0n TIG\/MIG, \u0111\u00e1nh b\u00f3ng.<br \/>\n  &#8211; \u0110\u1ed9 th\u1ea9m m\u1ef9 t\u1ed1t cho \u1ee9ng d\u1ee5ng trang tr\u00ed \u2013 ki\u1ebfn tr\u00fac.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt n\u1ec1n t\u1ea3ng:<br \/>\n  &#8211; ASTM A276 (thanh inox c\u00e1n n\u00f3ng\/k\u00e9o ngu\u1ed9i cho m\u1ee5c \u0111\u00edch chung).<br \/>\n  &#8211; ASTM A484 (y\u00eau c\u1ea7u chung v\u1ec1 dung sai, b\u1ec1 m\u1eb7t, th\u1eb3ng, c\u1eaft).<br \/>\n  &#8211; EN 10088-3 (Ch\u00e2u \u00c2u \u2013 th\u00e9p kh\u00f4ng g\u1ec9 d\u1ea1ng b\u00e1n th\u00e0nh ph\u1ea9m).<br \/>\n  &#8211; JIS G4303 (Nh\u1eadt \u2013 thanh inox).<br \/>\n  &#8211; Ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u: EN 10204 3.1.<\/p>\n<h2 id=\"toc-1-2-phan-loai-chi-tiet-va-cong-dung\">2) Ph\u00e2n lo\u1ea1i chi ti\u1ebft v\u00e0 c\u00f4ng d\u1ee5ng<\/h2>\n<h3>2.1 L\u00e1p tr\u00f2n inox (Round Bar)<\/h3>\n<p>&#8211; C\u1ea5u h\u00ecnh &#038; b\u1ec1 m\u1eb7t:<br \/>\n  &#8211; C\u00e1n n\u00f3ng, t\u1ea9y g\u1ec9 (HRAP); k\u00e9o ngu\u1ed9i s\u00e1ng (bright drawn); ti\u1ec7n b\u00f3c v\u1ecf (peeled\/turned); m\u00e0i t\u00e2m (centerless ground, dung sai h6\u2013h9).<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn:<br \/>\n  &#8211; \u0110\u01b0\u1eddng k\u00ednh: \u00d83\u2013\u00d8350 mm (h\u00e0ng ph\u1ed5 th\u00f4ng: \u00d86\u2013\u00d8120 mm).<br \/>\n  &#8211; Chi\u1ec1u d\u00e0i: 6 m; c\u00f3 th\u1ec3 c\u1eaft 3 m, c\u1eaft quy c\u00e1ch.<br \/>\n&#8211; Dung sai &#038; th\u1eb3ng:<br \/>\n  &#8211; Theo ASTM A484 ho\u1eb7c c\u1ea5p dung sai ISO h9\u2013h11 (h\u00e0ng k\u00e9o ngu\u1ed9i).<br \/>\n  &#8211; \u0110\u1ed9 th\u1eb3ng tham kh\u1ea3o \u22641\u20132 mm\/m t\u00f9y c\u1ea5p ho\u00e0n thi\u1ec7n.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng \u0111\u1eb7c th\u00f9:<br \/>\n  &#8211; Tr\u1ee5c, ch\u1ed1t, ty ren, bu l\u00f4ng, vitme, b\u1ea1c l\u00f3t.<br \/>\n  &#8211; K\u1ebft c\u1ea5u ch\u1ecbu t\u1ea3i, chi ti\u1ebft m\u00e1y th\u1ef1c ph\u1ea9m \u2013 d\u01b0\u1ee3c (316L).<br \/>\n  &#8211; Ph\u1ee5 ki\u1ec7n lan can, tay v\u1ecbn, c\u01a1 kh\u00ed ch\u00ednh x\u00e1c (m\u00e0i Ra\u22641.6 \u03bcm).<\/p>\n<h3>2.2 Thanh V inox (Angle Bar \u2013 th\u00e9p g\u00f3c L)<\/h3>\n<p>&#8211; C\u1ea5u h\u00ecnh:<br \/>\n  &#8211; G\u00f3c \u0111\u1ec1u c\u1ea1nh (equal angle) v\u00e0 kh\u00f4ng \u0111\u1ec1u (unequal angle).<br \/>\n  &#8211; S\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1n n\u00f3ng ho\u1eb7c x\u1ebb \u2013 n\u1eafn t\u1eeb t\u1ea5m\/\u0111u\u0301c g\u00f3c.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn:<br \/>\n  &#8211; Equal: 20\u00d720\u00d73 \u0111\u1ebfn 100\u00d7100\u00d710 mm (6 m\/c\u00e2y).<br \/>\n  &#8211; Unequal: 30\u00d720\u00d73 \u0111\u1ebfn 150\u00d7100\u00d712 mm (t\u00f9y h\u00e0ng).<br \/>\n&#8211; Dung sai h\u00ecnh h\u1ecdc:<br \/>\n  &#8211; Sai l\u1ec7ch c\u1ea1nh, \u0111\u1ed9 vu\u00f4ng g\u00f3c c\u00e1nh, \u0111\u1ed9 v\u00eanh theo ASTM A484\/EN 10056 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng th\u01b0\u01a1ng m\u1ea1i.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng \u0111\u1eb7c th\u00f9:<br \/>\n  &#8211; Khung \u2013 gi\u1eb1ng k\u1ebft c\u1ea5u nh\u1eb9, b\u00e1t \u0111\u1ee1 \u1ed1ng, \u0111\u1ee1 m\u00e1ng c\u00e1p.<br \/>\n  &#8211; Khung che m\u01b0a, lan can, b\u1ec7 \u0111\u1ee1 m\u00e1y, thi\u1ebft b\u1ecb HVAC.<\/p>\n<h3>2.3 La inox (Flat Bar \u2013 la \u0111\u00fac\/la x\u1ebb b\u0103ng)<\/h3>\n<p>&#8211; C\u1ea5u h\u00ecnh &#038; ngu\u1ed3n ph\u00f4i:<br \/>\n  &#8211; La \u0111\u00fac\/c\u00e1n: ti\u1ebft di\u1ec7n d\u00e0y \u2013 \u0111\u1ec1u, b\u1ec1 m\u1eb7t HRAP.<br \/>\n  &#8211; La x\u1ebb b\u0103ng t\u1eeb cu\u1ed9n\/t\u1ea5m: linh ho\u1ea1t quy c\u00e1ch, m\u00e9p c\u00f3 th\u1ec3 m\u00e0i bo.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn:<br \/>\n  &#8211; B\u00d7T: 10\u00d73 \u0111\u1ebfn 120\u00d712 mm; k\u00edch c\u1ee1 l\u1edbn h\u01a1n \u0111\u1eb7t h\u00e0ng.<br \/>\n  &#8211; Chi\u1ec1u d\u00e0i: 6 m; nh\u1eadn c\u1eaft CNC, c\u1eaft plasma\/laser.<br \/>\n&#8211; Dung sai:<br \/>\n  &#8211; B\u1ec1 r\u1ed9ng\/thickness theo ASTM A484; la x\u1ebb b\u0103ng th\u01b0\u1eddng \u00b10.5\u20131.0 mm.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng \u0111\u1eb7c th\u00f9:<br \/>\n  &#8211; B\u1ea3n m\u00e3, b\u00edch, thanh gi\u1eb1ng, n\u1eb9p g\u1edd, chi ti\u1ebft thang \u2013 s\u00e0n.<br \/>\n  &#8211; Ph\u1ee5 ki\u1ec7n ki\u1ebfn tr\u00fac c\u1ea7n c\u1ea1nh bo, \u0111\u00e1nh b\u00f3ng hairline\/600#.<\/p>\n<h2 id=\"toc-2-3-chon-mac-thep-theo-moi-truong-lam-viec\">3) Ch\u1ecdn m\u00e1c th\u00e9p theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/h2>\n<p>&#8211; Inox 201 (Cr\u2013Mn\u2013Ni th\u1ea5p):<br \/>\n  &#8211; Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u1ea1n ch\u1ebf h\u01a1n 304, d\u1ec5 b\u1ecb g\u1ec9 n\u00e2u trong m\u00f4i tr\u01b0\u1eddng \u1ea9m\/mu\u1ed1i. D\u00f9ng n\u1ed9i th\u1ea5t, k\u1ebft c\u1ea5u trong nh\u00e0, chi ph\u00ed th\u1ea5p.<br \/>\n&#8211; Inox 304\/304L (18Cr\u20138Ni):<br \/>\n  &#8211; C\u00e2n b\u1eb1ng gi\u1eefa ch\u1ed1ng \u0103n m\u00f2n \u2013 gia c\u00f4ng \u2013 gi\u00e1. D\u00f9ng th\u1ef1c ph\u1ea9m, n\u01b0\u1edbc s\u1ea1ch, ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb. 304L \u01b0u ti\u00ean khi h\u00e0n d\u00e0y, h\u1ea1n ch\u1ebf nh\u1ea1y c\u1ea3m h\u00f3a (carbide precipitation).<br \/>\n&#8211; Inox 316\/316L (Mo\u22482\u20132.5%):<br \/>\n  &#8211; Ch\u1ed1ng r\u1ed7 pitting\/crevice t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng clorua, ven bi\u1ec3n, x\u1eed l\u00fd n\u01b0\u1edbc m\u1eb7n, h\u00f3a ch\u1ea5t nh\u1eb9. 316L d\u00f9ng cho k\u1ebft c\u1ea5u h\u00e0n, y t\u1ebf \u2013 d\u01b0\u1ee3c.<br \/>\n&#8211; Inox 321:<br \/>\n  &#8211; \u1ed4n \u0111\u1ecbnh titan, b\u1ec1n nhi\u1ec7t h\u01a1n 304; d\u00f9ng \u1ed1ng x\u1ea3, m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t cao.<br \/>\n&#8211; Inox 420 (martensitic, c\u00f3 th\u1ec3 t\u00f4i c\u1ee9ng):<br \/>\n  &#8211; \u0110\u1ed9 c\u1ee9ng cao (HRC 48\u201352 sau nhi\u1ec7t luy\u1ec7n), ch\u1ecbu m\u00e0i m\u00f2n; d\u00f9ng dao c\u1ee5, tr\u1ee5c ch\u1ecbu m\u00f2n. Ch\u1ed1ng \u0103n m\u00f2n k\u00e9m h\u01a1n 304.<br \/>\n&#8211; Inox 430 (ferritic):<br \/>\n  &#8211; T\u1eeb t\u00ednh, ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i, chi ph\u00ed th\u1ea5p; \u00edt d\u00f9ng cho chi ti\u1ebft k\u1ebft c\u1ea5u ngo\u00e0i tr\u1eddi.<\/p>\n<p>G\u1ee3i \u00fd nhanh:<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng n\u1ed9i th\u1ea5t kh\u00f4, t\u1ea3i trung b\u00ecnh: 201\/304.<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb, th\u1ef1c ph\u1ea9m, n\u01b0\u1edbc s\u1ea1ch: 304\/304L.<br \/>\n&#8211; Ven bi\u1ec3n, n\u01b0\u1edbc m\u1eb7n, h\u00f3a ch\u1ea5t clorua: 316\/316L.<br \/>\n&#8211; C\u1ea7n \u0111\u1ed9 c\u1ee9ng\/m\u00e0i m\u00f2n cao: 420 (xem x\u00e9t \u0103n m\u00f2n).<\/p>\n<h2 id=\"toc-3-4-kich-thuoc-trong-luong-quy-doi-va-vi-du-tinh\">4) K\u00edch th\u01b0\u1edbc \u2013 tr\u1ecdng l\u01b0\u1ee3ng quy \u0111\u1ed5i v\u00e0 v\u00ed d\u1ee5 t\u00ednh<\/h2>\n<p>M\u1eadt \u0111\u1ed9 inox austenitic (304\/316) \u2248 7.93 g\/cm\u00b3.<\/p>\n<p>&#8211; L\u00e1p tr\u00f2n: kh\u1ed1i l\u01b0\u1ee3ng (kg\/m) \u2248 0.00622 \u00d7 d\u00b2, v\u1edbi d (mm).<br \/>\n  &#8211; V\u00ed d\u1ee5: \u00d820 mm \u2192 0.00622\u00d7400 = 2.488 kg\/m; c\u00e2y 6 m \u2248 14.9 kg.<br \/>\n&#8211; La (flat bar): kh\u1ed1i l\u01b0\u1ee3ng (kg\/m) \u2248 B \u00d7 T \u00d7 0.00793, v\u1edbi B, T (mm).<br \/>\n  &#8211; V\u00ed d\u1ee5: 50\u00d75 \u2192 50\u00d75\u00d70.00793 = 1.983 kg\/m; c\u00e2y 6 m \u2248 11.9 kg.<br \/>\n&#8211; Thanh V (L): kh\u1ed1i l\u01b0\u1ee3ng (kg\/m) \u2248 0.00793 \u00d7 (A + B \u2212 t) \u00d7 t, v\u1edbi A, B (mm l\u00e0 c\u1ea1nh), t (mm l\u00e0 \u0111\u1ed9 d\u00e0y).<br \/>\n  &#8211; V\u00ed d\u1ee5: 50\u00d750\u00d75 \u2192 0.00793\u00d7(100\u22125)\u00d75 = 3.77 kg\/m; c\u00e2y 6 m \u2248 22.6 kg.<\/p>\n<p>K\u00edch th\u01b0\u1edbc th\u01b0\u01a1ng m\u1ea1i tham kh\u1ea3o (c\u00f3 th\u1ec3 kh\u00e1c gi\u1eefa nh\u00e0 m\u00e1y):<br \/>\n&#8211; L\u00e1p tr\u00f2n: \u00d86\/8\/10\/12\/16\/20\/22\/25\/30\/32\/36\/40\/45\/50\/60\/70\/80\/90\/100 mm.<br \/>\n&#8211; Thanh V \u0111\u1ec1u: 20\u00d720\u00d73; 25\u00d725\u00d73; 30\u00d730\u00d73\/4; 40\u00d740\u00d74\/5; 50\u00d750\u00d75; 63\u00d763\u00d76; 75\u00d775\u00d76; 90\u00d790\u00d78; 100\u00d7100\u00d710 mm.<br \/>\n&#8211; La: 20\u00d73\/4\/5; 25\u00d73\/5; 30\u00d73\/5; 40\u00d74\/5\/6; 50\u00d75\/6\/8; 60\u00d76\/8; 75\u00d76\/8\/10; 100\u00d78\/10\/12 mm.<\/p>\n<h2 id=\"toc-4-5-dung-sai-be-mat-va-chung-chi-chat-luong\">5) Dung sai, b\u1ec1 m\u1eb7t v\u00e0 ch\u1ee9ng ch\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n<p>&#8211; Dung sai k\u00edch th\u01b0\u1edbc (tham chi\u1ebfu ASTM A484):<br \/>\n  &#8211; L\u00e1p tr\u00f2n c\u00e1n n\u00f3ng: \u00b10.4 \u0111\u1ebfn \u00b11.6 mm t\u00f9y \u0111\u01b0\u1eddng k\u00ednh; k\u00e9o ngu\u1ed9i\/ti\u1ec7n: c\u1ea5p h9\u2013h11 (c\u00f3 th\u1ec3 t\u1edbi h6 khi m\u00e0i).<br \/>\n  &#8211; Thanh V, La: sai l\u1ec7ch b\u1ec1 r\u1ed9ng\/\u0111\u1ed9 d\u00e0y th\u01b0\u1eddng \u00b10.5\u20131.0 mm; \u0111\u1ed9 vu\u00f4ng m\u00e9p v\u00e0 \u0111\u1ed9 v\u00eanh theo c\u1ea5p th\u01b0\u01a1ng m\u1ea1i.<br \/>\n  &#8211; \u0110\u1ed9 th\u1eb3ng: th\u01b0\u1eddng \u22641\u20132 mm\/m (y\u00eau c\u1ea7u cao c\u00f3 th\u1ec3 m\u00e0i th\u1eb3ng).<br \/>\n&#8211; B\u1ec1 m\u1eb7t:<br \/>\n  &#8211; HR\/\u0111en, t\u1ea9y g\u1ec9 (pickled); s\u00e1ng k\u00e9o ngu\u1ed9i; m\u00e0i b\u00f3ng 180\u2013600#; m\u00e0i t\u00e2m (centerless ground) Ra ~0.8\u20131.6 \u03bcm; \u0111\u00e1nh x\u01b0\u1edbc hairline cho la.<br \/>\n&#8211; Ki\u1ec3m tra &#038; ch\u1ee9ng ch\u1ec9:<br \/>\n  &#8211; MTC 3.1 (EN 10204), th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh (Rm, Rp0.2, A%).<br \/>\n  &#8211; PMI (x\u00e1c \u0111\u1ecbnh m\u00e1c t\u1ea1i ch\u1ed7), ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng, th\u1eed k\u00e9o (khi c\u1ea7n).<br \/>\n  &#8211; Passivation sau h\u00e0n \u0111\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng ch\u1ed1ng g\u1ec9.<\/p>\n<h2 id=\"toc-5-6-gia-cong-cat-khoan-tien-uon-va-han\">6) Gia c\u00f4ng: c\u1eaft, khoan ti\u1ec7n, u\u1ed1n v\u00e0 h\u00e0n<\/h2>\n<p>&#8211; C\u1eaft: c\u01b0a v\u00f2ng, c\u01b0a \u0111\u0129a h\u1ee3p kim, plasma, oxy-laser (fiber laser cho la).<br \/>\n  &#8211; L\u01b0u \u00fd 304\/316 d\u1ec5 h\u00f3a b\u1ec1n ngu\u1ed9i: d\u00f9ng l\u01b0\u1ee1i b\u00e9n, l\u1ef1c \u0103n dao \u0111\u1ee7 l\u1edbn, l\u00e0m m\u00e1t t\u1ed1t.<br \/>\n&#8211; Gia c\u00f4ng c\u1eaft g\u1ecdt:<br \/>\n  &#8211; T\u1ed1c \u0111\u1ed9 c\u1eaft tham kh\u1ea3o: HSS 15\u201330 m\/ph; carbide 80\u2013180 m\/ph (t\u00f9y \u0111\u01b0\u1eddng k\u00ednh\/v\u1eadt li\u1ec7u dao).<br \/>\n  &#8211; D\u00f9ng m\u0169i khoan\/c\u1eaft ph\u1ee7 TiAlN, c\u1ea5p phoi d\u01b0\u01a1ng, tr\u00e1nh \u201cc\u1ecd x\u00e1t\u201d g\u00e2y chai b\u1ec1 m\u1eb7t.<br \/>\n&#8211; U\u1ed1n:<br \/>\n  &#8211; 304 \u1ee7 m\u1ec1m: b\u00e1n k\u00ednh u\u1ed1n trong t\u1ed1i thi\u1ec3u \u2248 1.0\u00d7t; 316 khuy\u1ebfn ngh\u1ecb \u22651.5\u00d7t.<br \/>\n  &#8211; La v\u00e0 V khi u\u1ed1n c\u1ea7n g\u00e1 \u0111\u1ee1 m\u00e9p \u0111\u1ec3 h\u1ea1n ch\u1ebf o\u1eb1n, n\u1ee9t m\u00e9p.<br \/>\n&#8211; H\u00e0n:<br \/>\n  &#8211; 304\/304L d\u00f9ng que\/kim lo\u1ea1i \u0111i\u1ec1n 308L; 316\/316L d\u00f9ng 316L.<br \/>\n  &#8211; Ki\u1ec3m so\u00e1t nhi\u1ec7t, k\u1ebd h\u1edf; l\u00e0m s\u1ea1ch, t\u1ea9y m\u1ed1i h\u00e0n \u2013 passivation sau h\u00e0n.<br \/>\n  &#8211; Kh\u00f4ng c\u1ea7n preheat cho austenitic; gi\u1edbi h\u1ea1n nhi\u1ec7t gi\u1eefa l\u1edbp ~150 \u00b0C.<\/p>\n<h2 id=\"toc-6-7-ung-dung-theo-nganh\">7) \u1ee8ng d\u1ee5ng theo ng\u00e0nh<\/h2>\n<p>&#8211; C\u01a1 kh\u00ed \u2013 ch\u1ebf t\u1ea1o: tr\u1ee5c, ch\u1ed1t, b\u1ea1c, vitme (l\u00e1p tr\u00f2n m\u00e0i ch\u00ednh x\u00e1c).<br \/>\n&#8211; Th\u1ef1c ph\u1ea9m \u2013 \u0111\u1ed3 u\u1ed1ng \u2013 d\u01b0\u1ee3c: khung m\u00e1y, gi\u00e1 \u0111\u1ee1, ph\u1ee5 ki\u1ec7n (304\/316L).<br \/>\n&#8211; X\u1eed l\u00fd n\u01b0\u1edbc \u2013 ven bi\u1ec3n: gi\u00e0n \u0111\u1ee1, b\u00e1t treo, khung ch\u1eafn s\u00f3ng (316\/316L).<br \/>\n&#8211; Ki\u1ebfn tr\u00fac \u2013 n\u1ed9i ngo\u1ea1i th\u1ea5t: n\u1eb9p la \u0111\u00e1nh x\u01b0\u1edbc, khung V, tay v\u1ecbn tr\u00f2n.<br \/>\n&#8211; HVAC \u2013 MEP: gi\u00e1 \u0111\u1ee1 \u1ed1ng, m\u00e1ng c\u00e1p (V\/La 304); ph\u00f2ng s\u1ea1ch (316L).<br \/>\n&#8211; N\u0103ng l\u01b0\u1ee3ng \u2013 solar: khung k\u1eb9p, b\u1ea3n m\u00e3 ch\u1ed1ng \u0103n m\u00f2n d\u00e0i h\u1ea1n.<\/p>\n<h2 id=\"toc-7-8-quy-trinh-chon-nhanh-theo-bai-toan-thuc-te\">8) Quy tr\u00ecnh ch\u1ecdn nhanh theo b\u00e0i to\u00e1n th\u1ef1c t\u1ebf<\/h2>\n<p>1) X\u00e1c \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng: kh\u00f4\/\u1ea9m, pH, c\u00f3 clorua\/bi\u1ec3n hay kh\u00f4ng.<br \/>\n2) M\u1ee9c t\u1ea3i \u2013 \u0111\u1ed9 c\u1ee9ng: c\u00f3 c\u1ea7n t\u00f4i c\u1ee9ng (420) hay ch\u1ed1ng \u0103n m\u00f2n l\u00e0 \u01b0u ti\u00ean (304\/316).<br \/>\n3) Ch\u1ecdn ti\u1ebft di\u1ec7n \u2013 k\u00edch th\u01b0\u1edbc: ki\u1ec3m b\u1ec1n u\u1ed1n\/k\u00e9o; t\u00ednh tr\u1ecdng l\u01b0\u1ee3ng theo c\u00f4ng th\u1ee9c \u1edf m\u1ee5c 4.<br \/>\n4) Ch\u1ecdn b\u1ec1 m\u1eb7t: c\u01a1 kh\u00ed ch\u00ednh x\u00e1c (m\u00e0i t\u00e2m), ki\u1ebfn tr\u00fac (m\u00e0i 400\u2013600#), c\u00f4ng nghi\u1ec7p (HRAP).<br \/>\n5) X\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng: h\u00e0n nhi\u1ec1u \u2192 ch\u1ecdn 304L\/316L; y\u00eau c\u1ea7u dung sai ch\u1eb7t \u2192 h\u00e0ng k\u00e9o ngu\u1ed9i\/m\u00e0i.<br \/>\n6) Chu\u1ea9n h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng: y\u00eau c\u1ea7u MTC 3.1, PMI, dung sai theo ASTM A484\/A276.<br \/>\n7) T\u1ed1i \u01b0u chi ph\u00ed: 201 cho n\u1ed9i th\u1ea5t kh\u00f4; 304 \u201cm\u1eb7c \u0111\u1ecbnh\u201d c\u00f4ng nghi\u1ec7p; 316 cho n\u01b0\u1edbc m\u1eb7n\/h\u00f3a ch\u1ea5t nh\u1eb9.<\/p>\n<h2 id=\"toc-8-9-hoi-dap-nhanh\">9) H\u1ecfi \u2013 \u0111\u00e1p nhanh<\/h2>\n<p>&#8211; 201 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng? C\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n g\u1ec9 n\u00e2u trong m\u00f4i tr\u01b0\u1eddng \u1ea9m\/mu\u1ed1i; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho ven bi\u1ec3n.<br \/>\n&#8211; 304 c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng? 304 nguy\u00ean b\u1ea3n h\u1ea7u nh\u01b0 kh\u00f4ng t\u1eeb; sau gia c\u00f4ng ngu\u1ed9i c\u00f3 th\u1ec3 c\u1ea3m \u1ee9ng t\u1eeb nh\u1eb9.<br \/>\n&#8211; V\u00ec sao 316 \u0111\u1eaft h\u01a1n 304? Do c\u00f3 Mo c\u1ea3i thi\u1ec7n ch\u1ed1ng r\u1ed7 pitting trong m\u00f4i tr\u01b0\u1eddng clorua.<br \/>\n&#8211; C\u00f3 c\u1ea7n s\u01a1n b\u1ea3o v\u1ec7 inox? Kh\u00f4ng b\u1eaft bu\u1ed9c; nh\u01b0ng n\u00ean t\u1ea9y g\u1ec9 \u2013 passivation sau h\u00e0n v\u00e0 v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 duy tr\u00ec b\u1ec1 m\u1eb7t.<\/p>\n<h2 id=\"toc-9-10-bao-gia-cung-ung-tai-ha-noi\">10) B\u00e1o gi\u00e1 &#038; cung \u1ee9ng t\u1ea1i H\u00e0 N\u1ed9i<\/h2>\n<p>&#8211; Y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng gi\u00e1: m\u00e1c (201\/304\/316), quy c\u00e1ch (\u0111\u01b0\u1eddng k\u00ednh\/k\u00edch th\u01b0\u1edbc, chi\u1ec1u d\u00e0i), c\u1ea5p b\u1ec1 m\u1eb7t (HRAP, s\u00e1ng, m\u00e0i), ngu\u1ed3n g\u1ed1c (nh\u00e0 m\u00e1y), ch\u1ee9ng ch\u1ec9.<br \/>\n&#8211; Quy c\u00e1ch s\u1eb5n h\u00e0ng ph\u1ed5 bi\u1ebfn: \u00d86\u2013\u00d8120; V 30\u00d730\u00d73 \u0111\u1ebfn 100\u00d7100\u00d710; La 20\u00d73 \u0111\u1ebfn 100\u00d710; c\u1eaft l\u1ebb theo y\u00eau c\u1ea7u.<br \/>\n&#8211; D\u1ecbch v\u1ee5: c\u1eaft CNC, m\u00e0i b\u00f3ng, bo m\u00e9p, \u0111\u1ed9t \u2013 khoan \u2013 taro, giao nhanh n\u1ed9i th\u00e0nh H\u00e0 N\u1ed9i.<\/p>\n<p>Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c \u2013 quy c\u00e1ch t\u1ed1i \u01b0u v\u00e0 nh\u1eadn b\u00e1o gi\u00e1 t\u1ed1t:<br \/>\n&#8211; Hotline: 0343.417.281<br \/>\n&#8211; Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n<h2 id=\"toc-10-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A276\/A276M \u2013 Standard Specification for Stainless Steel Bars and Shapes (ASTM International).<br \/>\n&#8211; ASTM A484\/A484M \u2013 General Requirements for Stainless Steel Bars, Billets, and Forgings (ASTM International).<br \/>\n&#8211; Outokumpu Stainless Steel Handbook &#038; Fabrication Guidelines (Outokumpu).<br \/>\n&#8211; Designing with Stainless Steel, The Nickel Institute.<br \/>\n&#8211; SSINA \u2013 Machining, Welding and Fabrication of Stainless Steels (Specialty Steel Industry of North America).<\/p>\n<h2 id=\"toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; L\u00e1p tr\u00f2n, Thanh V v\u00e0 La \u0111\u00fac l\u00e0 3 d\u1ea1ng thanh \u0111\u1eb7c inox ch\u1ee7 l\u1ef1c, m\u1ed7i lo\u1ea1i ph\u00f9 h\u1ee3p m\u1ed9t nh\u00f3m \u1ee9ng d\u1ee5ng: chi ti\u1ebft tr\u1ee5c \u2013 ch\u1ed1t (l\u00e1p tr\u00f2n), khung \u2013 gi\u1eb1ng (V), b\u1ea3n m\u00e3 \u2013 n\u1eb9p (la).<br \/>\n&#8211; Ch\u1ecdn m\u00e1c d\u1ef1a tr\u00ean m\u00f4i tr\u01b0\u1eddng: 304 cho \u0111a d\u1ee5ng; 316\/316L cho clorua\/ven bi\u1ec3n; 201 cho n\u1ed9i th\u1ea5t kh\u00f4; 420 khi c\u1ea7n \u0111\u1ed9 c\u1ee9ng cao.<br \/>\n&#8211; N\u1eafm v\u1eefng c\u00f4ng th\u1ee9c tr\u1ecdng l\u01b0\u1ee3ng, dung sai, c\u1ea5p b\u1ec1 m\u1eb7t v\u00e0 quy tr\u00ecnh gia c\u00f4ng gi\u00fap t\u1ed1i \u01b0u chi ph\u00ed \u2013 hi\u1ec7u n\u0103ng \u2013 th\u1ea9m m\u1ef9.  <\/p>\n<p>C\u1ea7n b\u1ea3ng quy c\u00e1ch chi ti\u1ebft, t\u01b0 v\u1ea5n v\u1eadt li\u1ec7u theo m\u00f4i tr\u01b0\u1eddng v\u00e0 b\u00e1o gi\u00e1 c\u1eadp nh\u1eadt? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u2013 Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 thanh \u0111\u1eb7c inox: ph\u00e2n lo\u1ea1i (l\u00e1p tr\u00f2n, thanh V, la \u0111\u00fac), m\u00e1c th\u00e9p 201\/304\/316, k\u00edch th\u01b0\u1edbc, dung sai, tr\u1ecdng l\u01b0\u1ee3ng, b\u1ec1 m\u1eb7t v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>\n","protected":false},"author":7,"featured_media":1008,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1648","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\/1648","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=1648"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1648\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1008"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}