Trong nh\u00f3m s\u1ea3n ph\u1ea9m inox, \u201cthanh \u0111\u1eb7c\u201d l\u00e0 v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng cho c\u01a1 kh\u00ed ch\u00ednh x\u00e1c v\u00e0 k\u1ebft c\u1ea5u: t\u1eeb tr\u1ee5c, ch\u1ed1t, bulong \u0111\u1ebfn gi\u1eb1ng khung, b\u1ea3n m\u00e3. B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung v\u00e0o ba d\u00f2ng ch\u1ee7 l\u1ef1c: L\u00e1p tr\u00f2n inox (round bar), Thanh V inox (V-angle) v\u00e0 La \u0111\u00fac inox (flat bar c\u00e1n n\u00f3ng) \u2014 gi\u1ea3i th\u00edch c\u1ea5u t\u1ea1o, ti\u00eau chu\u1ea9n, quy c\u00e1ch, \u1ee9ng d\u1ee5ng \u0111\u1eb7c th\u00f9 v\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c th\u00e9p theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c.<\/p>\n
Thanh \u0111\u1eb7c inox l\u00e0 chi ti\u1ebft c\u00f3 m\u1eb7t c\u1eaft \u0111\u1eb7c (kh\u00f4ng r\u1ed7ng), s\u1ea3n xu\u1ea5t theo ti\u00eau chu\u1ea9n thanh th\u00e9p kh\u00f4ng g\u1ec9. Kh\u00e1c v\u1edbi t\u1ea5m\/cu\u1ed9n (gia c\u00f4ng c\u1eaft t\u1ea1o h\u00ecnh) hay \u1ed1ng\/h\u1ed9p (k\u1ebft c\u1ea5u r\u1ed7ng), thanh \u0111\u1eb7c cung c\u1ea5p: C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf \u00e1p cho thanh inox: ASTM A276\/A479 (thanh thanh ph\u1ea9m\/cho thi\u1ebft b\u1ecb \u00e1p l\u1ef1c), ASTM A484 (y\u00eau c\u1ea7u chung), JIS G4303, EN 10088-3.<\/p>\n – \u0110\u1eb7c \u0111i\u1ec3m s\u1ea3n xu\u1ea5t: c\u00e1n n\u00f3ng (black), t\u1ea9y axit (pickled), ti\u1ec7n l\u1ed9t\/peel, k\u00e9o ngu\u1ed9i (bright), m\u00e0i t\u00e2m kh\u00f4ng (centerless ground, dung sai h9\u2013h11). – C\u1ea5u h\u00ecnh: V \u0111\u1ec1u c\u1ea1nh (equality) ho\u1eb7c V kh\u00f4ng \u0111\u1ec1u (unequal). – Ph\u00e2n bi\u1ec7t \u201cla \u0111\u00fac\u201d v\u00e0 \u201cla x\u1ebb\u201d: – L\u1eafp m\u00e1y c\u01a1 kh\u00ed ch\u00ednh x\u00e1c, tr\u1ee5c\/ch\u1ed1t quay: \u01b0u ti\u00ean L\u00e1p tr\u00f2n (304\/316 cho \u0103n m\u00f2n; 431 khi c\u1ea7n \u0111\u1ed9 b\u1ec1n cao v\u00e0 ch\u1ecbu m\u00e0i m\u00f2n). – Inox 201 (Ni th\u1ea5p): chi ph\u00ed th\u1ea5p, d\u00f9ng trong nh\u00e0 kh\u00f4; kh\u00f4ng khuy\u1ebfn ngh\u1ecb v\u00f9ng bi\u1ec3n\/\u1ea9m ch\u1ea5t clo v\u00ec d\u1ec5 \u1ed1 v\u00e0ng, r\u1ed7. – Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng: – H\u00e0n: M\u1eadt \u0111\u1ed9 inox austenitic ~7.93 t\/m\u00b3. C\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ec3 t\u00ednh ti\u1ec1n v\u1eadt t\u01b0: – L\u00e1p tr\u00f2n: \u00d86\u2013\u00d8120 mm t\u1ed3n kho r\u1ed9ng; \u00d8>120 mm \u0111\u1eb7t h\u00e0ng. B\u1ec1 m\u1eb7t bright\/peeled, m\u00e0i dung sai cho chi ti\u1ebft tr\u01b0\u1ee3t \u1ed5 bi. – D\u00f9ng 201 \u1edf v\u00f9ng bi\u1ec3n \u2192 \u1ed1 v\u00e0ng, r\u1ed7: thay b\u1eb1ng 316\/316L. Gi\u00e1 thanh \u0111\u1eb7c inox ph\u1ee5 thu\u1ed9c: m\u00e1c th\u00e9p (201 < 304 < 316), quy c\u00e1ch (\u0111\u01b0\u1eddng k\u00ednh\/b\u1ec1 d\u00e0y l\u1edbn h\u01a1n \u2192 gi\u00e1\/kg t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u01b0ng t\u1ed5ng chi ph\u00ed t\u0103ng), b\u1ec1 m\u1eb7t (ground\/bright cao h\u01a1n), ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t (\u0111\u00fac\/c\u00e1n n\u00f3ng vs x\u1ebb\/d\u1eadp), ch\u1ee9ng ch\u1ec9 MTC, xu\u1ea5t x\u1ee9 v\u00e0 bi\u1ebfn \u0111\u1ed9ng t\u1ef7 gi\u00e1.\n- H\u00e0ng ph\u1ed5 bi\u1ebfn c\u00f3 s\u1eb5n kho: \u00d86\u2013\u00d8120, V 25\u201375, la 20\u00d73 \u0111\u1ebfn 100\u00d710.\n- D\u1ecbch v\u1ee5 gia c\u00f4ng: c\u1eaft l\u1ebb, m\u00e0i tr\u00f2n, taro\/ti\u1ec7n \u0111\u1ea7u tr\u1ee5c, h\u00e0n k\u1ebft c\u1ea5u theo b\u1ea3n v\u1ebd.\nLi\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c, t\u1ed1i \u01b0u chi ph\u00ed theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c v\u00e0 nh\u1eadn b\u00e1o gi\u00e1 c\u1eadp nh\u1eadt theo ng\u00e0y.\n\n – ASTM A276\/A479, ASTM A484 \u2013 Bar Specifications and General Requirements (ASTM International) – L\u00e1p tr\u00f2n, Thanh V v\u00e0 La \u0111\u00fac l\u00e0 ba d\u00f2ng thanh \u0111\u1eb7c inox c\u1ed1t l\u00f5i, m\u1ed7i lo\u1ea1i t\u1ed1i \u01b0u cho m\u1ed9t nh\u00f3m c\u00f4ng vi\u1ec7c: chi ti\u1ebft quay ch\u00ednh x\u00e1c (l\u00e1p tr\u00f2n), gi\u1eb1ng khung\/k\u1ebft c\u1ea5u g\u00f3c (thanh V) v\u00e0 b\u1ea3n m\u00e3\/thanh \u0111\u1ee1 ph\u1eb3ng (la \u0111\u00fac). T\u1ed5ng h\u1ee3p chi ti\u1ebft v\u1ec1 L\u00e1p tr\u00f2n, Thanh V, La \u0111\u00fac inox: ti\u00eau chu\u1ea9n, quy c\u00e1ch, m\u00e1c th\u00e9p, c\u00f4ng d\u1ee5ng, c\u00e1ch ch\u1ecdn \u0111\u00fang theo m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u00ednh to\u00e1n tr\u1ecdng l\u01b0\u1ee3ng, chi ph\u00ed.<\/p>\n","protected":false},"author":7,"featured_media":1064,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2089","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\/2089","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=2089"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2089\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1064"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n– \u0110\u1ed9 c\u1ee9ng v\u1eefng cho chi ti\u1ebft ch\u1ecbu t\u1ea3i t\u1eadp trung (tr\u1ee5c, ch\u1ed1t, b\u00e1nh r\u0103ng, bulong).
\n– Bi\u00ean d\u1ea1ng ti\u00eau chu\u1ea9n s\u1eb5n (V, la, tr\u00f2n) \u0111\u1ec3 d\u1ef1ng khung, b\u1ea3n m\u00e3, n\u1eb9p, gi\u1eb1ng.
\n– Kh\u1ea3 n\u0103ng gia c\u00f4ng c\u1eaft g\u1ecdt, nhi\u1ec7t luy\u1ec7n (v\u1edbi m\u00e1c martensitic) v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111a d\u1ea1ng.<\/p>\n
\n– Quy c\u00e1ch ph\u1ed5 bi\u1ebfn:
\n – \u0110\u01b0\u1eddng k\u00ednh: \u00d83\u2013\u00d8300 mm (\u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 \u0111\u1ebfn \u00d8500 mm theo \u0111\u1eb7t h\u00e0ng).
\n – Chi\u1ec1u d\u00e0i: 3\u20136 m; c\u00f3 c\u1eaft l\u1ebb theo y\u00eau c\u1ea7u.
\n – B\u1ec1 m\u1eb7t: Black, pickled, bright drawn, ground.
\n– M\u00e1c th\u00e9p ph\u1ed5 bi\u1ebfn:
\n – Austenitic: 201, 304\/304L, 316\/316L, 310S, 321.
\n – T\u0103ng ti\u1ec7n c\u1eaft: 303, 416 (S cao, d\u1ec5 gia c\u00f4ng).
\n – Martensitic\/Ferritic: 410, 420, 431 (c\u00f3 th\u1ec3 t\u00f4i ram, t\u0103ng \u0111\u1ed9 c\u1ee9ng; 431 t\u1ed1t cho tr\u1ee5c ch\u1ecbu t\u1ea3i).
\n– \u1ee8ng d\u1ee5ng:
\n – Tr\u1ee5c \u0111\u1ed9ng c\u01a1, tr\u1ee5c b\u01a1m, ch\u1ed1t \u0111\u1ecbnh v\u1ecb, b\u1ea1c l\u00f3t, b\u00e1nh r\u0103ng nh\u1ecf.
\n – Bulong\/ty ren inox, chi ti\u1ebft ti\u1ec7n CNC trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.
\n – Ch\u1ed1t m\u00e1y, ch\u00e0y c\u1ed1i (v\u1edbi 420\/431 sau nhi\u1ec7t luy\u1ec7n).<\/p>\n
\n– C\u00f4ng ngh\u1ec7: c\u00e1n n\u00f3ng\/\u0111\u00fac h\u00ecnh (V \u0111\u00fac), d\u1eadp\/\u00e9p h\u00ecnh t\u1eeb t\u1ea5m-cu\u1ed9n, h\u00e0n \u0111\u1ecbnh h\u00ecnh. V \u0111\u00fac\/c\u00e1n n\u00f3ng \u01b0u ti\u00ean k\u1ebft c\u1ea5u t\u1ea3i n\u1eb7ng do g\u00f3c v\u00e0 chi\u1ec1u d\u00e0y \u1ed5n \u0111\u1ecbnh h\u01a1n.
\n– Quy c\u00e1ch tham kh\u1ea3o:
\n – C\u1ea1nh V: 20\u00d720 \u0111\u1ebfn 100\u00d7100 mm (l\u1edbn h\u01a1n \u0111\u1eb7t h\u00e0ng).
\n – B\u1ec1 d\u00e0y: 3\u201310 mm (d\u00e0y h\u01a1n theo \u0111\u1eb7t h\u00e0ng).
\n – Chi\u1ec1u d\u00e0i: 6 m ti\u00eau chu\u1ea9n; c\u00f3 c\u1eaft l\u1ebb.
\n– \u1ee8ng d\u1ee5ng:
\n – Khung, gi\u1eb1ng, \u0111\u00e0 ph\u1ee5 trong k\u1ebft c\u1ea5u th\u00e9p kh\u00f4ng g\u1ec9; khung b\u1ec7 m\u00e1y.
\n – Lan can, b\u1eadc thang, k\u1ebft c\u1ea5u ng\u00e0nh th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c, h\u00f3a ch\u1ea5t.
\n – N\u1eb9p, g\u00f3c b\u1ea3o v\u1ec7, khung m\u00e1ng\/c\u00e1p, gi\u00e1 \u0111\u1ee1 ch\u1ecbu \u0103n m\u00f2n.<\/p>\n
\n – La \u0111\u00fac (hot-rolled\/cast-rolled): m\u1eb7t, c\u1ea1nh c\u00f3 b\u00e1n k\u00ednh l\u01b0\u1ee3n, dung sai chi\u1ec1u d\u00e0y \u1ed5n \u0111\u1ecbnh; ch\u1ecbu t\u1ea3i v\u00e0 h\u00e0n t\u1ed1t; \u00edt cong v\u00eanh khi h\u00e0n.
\n – La x\u1ebb t\u1eeb t\u1ea5m\/cu\u1ed9n (sheared\/slit): c\u1ea1nh s\u1eafc vu\u00f4ng, b\u1ec1 m\u1eb7t 2B\/BA \u0111\u1eb9p; ph\u00f9 h\u1ee3p n\u1eb9p, trang tr\u00ed; dung sai ph\u1ee5 thu\u1ed9c ch\u1ea5t l\u01b0\u1ee3ng x\u1ebb, c\u00f3 th\u1ec3 bavia.
\n– Quy c\u00e1ch tham kh\u1ea3o:
\n – B\u1ec1 r\u1ed9ng: 10\u2013300 mm; d\u00e0y: 3\u201360 mm; d\u00e0i: 6 m (c\u1eaft l\u1ebb theo y\u00eau c\u1ea7u).
\n – B\u1ec1 m\u1eb7t: No.1 pickled (\u0111\u00fac\/c\u00e1n n\u00f3ng), 2B\/BA (x\u1ebb t\u1eeb t\u1ea5m).
\n– \u1ee8ng d\u1ee5ng:
\n – B\u1ea3n m\u00e3, thanh gi\u1eb1ng, ch\u00e2n b\u1ec7 m\u00e1y, g\u1ed1i \u0111\u1ee1, n\u1eb9p ch\u1ecbu l\u1ef1c.
\n – B\u1eadc thang c\u00f4ng nghi\u1ec7p, song ch\u1eafn, l\u01b0\u1ee1i g\u1ea1t, chi ti\u1ebft h\u00e0n gh\u00e9p.<\/p>\n
\n– K\u1ebft c\u1ea5u khung, gi\u1eb1ng, g\u00f3c b\u1ea3o v\u1ec7: ch\u1ecdn Thanh V; V \u0111\u00fac\/c\u00e1n n\u00f3ng cho t\u1ea3i n\u1eb7ng, V d\u1eadp\/x\u1ebb cho c\u00f4ng tr\u00ecnh nh\u1eb9 v\u00e0 th\u1ea9m m\u1ef9.
\n– B\u1ea3n m\u00e3, n\u1eb9p, thanh \u0111\u1ee1 ph\u1eb3ng: ch\u1ecdn La \u0111\u00fac khi \u01b0u ti\u00ean c\u1ee9ng v\u1eefng; La x\u1ebb t\u1eeb t\u1ea5m cho b\u1ec1 m\u1eb7t \u0111\u1eb9p v\u00e0 c\u1eaft theo kh\u1ed5 linh ho\u1ea1t.<\/p>\n
\n– Inox 304\/304L: ti\u00eau chu\u1ea9n cho \u0111a s\u1ed1 \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, th\u1ef1c ph\u1ea9m; PREN kho\u1ea3ng 18\u201319; ch\u1ecbu \u0103n m\u00f2n kh\u00ed quy\u1ec3n t\u1ed1t.
\n– Inox 316\/316L: b\u1ed5 sung Mo, PREN ~24, ch\u1ed1ng r\u1ed7 do clo t\u1ed1t h\u01a1n 304; ph\u00f9 h\u1ee3p v\u00f9ng bi\u1ec3n, h\u00f3a ch\u1ea5t nh\u1eb9, b\u1ec3 mu\u1ed1i.
\n– Inox 310S\/321: ch\u1ecbu nhi\u1ec7t cao; 321 \u1ed5n \u0111\u1ecbnh h\u00e0n (Ti), 310S d\u00f9ng \u0111\u1ebfn ~1000\u00b0C t\u00f9y t\u1ea3i.
\n– Inox 410\/420\/431: c\u00f3 th\u1ec3 nhi\u1ec7t luy\u1ec7n, t\u0103ng \u0111\u1ed9 c\u1ee9ng\/\u0111\u1ed9 b\u1ec1n; d\u00f9ng cho tr\u1ee5c, khu\u00f4n dao, v\u00f2ng bi trong m\u00f4i tr\u01b0\u1eddng \u00edt \u0103n m\u00f2n.
\nG\u1ee3i \u00fd nhanh:
\n– G\u1ea7n bi\u1ec3n, n\u01b0\u1edbc mu\u1ed1i, ti\u1ebfp x\u00fac h\u00f3a ch\u1ea5t clo: 316\/316L.
\n– Th\u1ef1c ph\u1ea9m, n\u01b0\u1edbc s\u1ea1ch, kh\u00ed quy\u1ec3n \u0111\u00f4 th\u1ecb: 304\/304L.
\n– Chi ti\u1ebft ti\u1ec7n c\u1eaft g\u1ecdt h\u00e0ng lo\u1ea1t: 303\/416 (d\u1ec5 gia c\u00f4ng).
\n– Y\u00eau c\u1ea7u t\u1eeb t\u00ednh th\u1ea5p: 304\/316 (austenitic, c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9 sau gia c\u00f4ng ngu\u1ed9i).<\/p>\n
\n – ASTM A276\/A479: y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt cho thanh inox (th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh).
\n – ASTM A484: y\u00eau c\u1ea7u chung (dung sai, \u0111\u1ed9 th\u1eb3ng, b\u1ec1 m\u1eb7t).
\n – JIS G4303, EN 10088-3: l\u1ef1a ch\u1ecdn thay th\u1ebf t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.
\n– Ch\u1ee9ng ch\u1ec9 v\u00e0 ki\u1ec3m tra:
\n – MTC (EN 10204 3.1): th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh (Rm, Rp0.2, A%).
\n – PMI (Positive Material Identification): x\u00e1c nh\u1eadn m\u00e1c t\u1ea1i kho\/x\u01b0\u1edfng.
\n – Ki\u1ec3m \u0111\u1ed9 th\u1eb3ng, dung sai \u0111\u01b0\u1eddng k\u00ednh\/b\u1ec1 d\u00e0y (v\u00ed d\u1ee5 h9\u2013h11 cho l\u00e1p ti\u1ec7n m\u00e0i).
\n – Ki\u1ec3m b\u1ec1 m\u1eb7t: r\u1ed7, n\u1ee9t, ba via; v\u1edbi V\/La ki\u1ec3m g\u00f3c vu\u00f4ng, m\u00e9o xo\u1eafn.
\n– Nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn: POSCO, YUSCO, Acerinox, TISCO, Outokumpu, Nippon Steel; ngu\u1ed3n g\u1ed1c r\u00f5 r\u00e0ng gi\u00fap \u1ed5n \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng, \u00edt sai s\u1ed1 dung sai.<\/p>\n
\n – 304\/316: h\u00e0n t\u1ed1t; d\u00f9ng que\/d\u00e2y 308L\/316L; ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ea7u v\u00e0o, l\u00e0m s\u1ea1ch v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n \u0111\u1ec3 t\u1ed1i \u01b0u ch\u1ed1ng \u0103n m\u00f2n.
\n – 201: h\u00e0n \u0111\u01b0\u1ee3c nh\u01b0ng \u0111\u1ed9 b\u1ec1n \u0103n m\u00f2n v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t k\u00e9m h\u01a1n 304\/316.
\n – 410\/420\/431: c\u1ea7n preheat, gi\u1eefa c\u00e1c l\u1edbp n\u00ean gi\u1eef nhi\u1ec7t; c\u00f3 th\u1ec3 ram sau h\u00e0n \u0111\u1ec3 gi\u1ea3m gi\u00f2n.
\n– C\u1eaft g\u1ecdt:
\n – 303\/416: gia c\u00f4ng ti\u1ec7n\/phay khoan d\u1ec5, n\u00e2ng n\u0103ng su\u1ea5t.
\n – 304\/316: d\u1ebbo dai, c\u1ea7n dao h\u1ee3p kim t\u1ed1t, t\u1ed1c \u0111\u1ed9 c\u1eaft th\u1ea5p h\u01a1n; d\u00f9ng dung d\u1ecbch tr\u01a1n ngu\u1ed9i \u0111\u1ea7y \u0111\u1ee7.
\n– X\u1eed l\u00fd b\u1ec1 m\u1eb7t:
\n – Pickling & passivation (axit h\u00f3a v\u00e0 th\u1ee5 \u0111\u1ed9ng): kh\u00f4i ph\u1ee5c l\u1edbp oxit Cr b\u1ea3o v\u1ec7 sau h\u00e0n\/c\u1eaft.
\n – M\u00e0i b\u00f3ng, \u0111\u00e1nh s\u1ecdc hairline, \u0111i\u1ec7n \u0111\u00e1nh b\u00f3ng khi y\u00eau c\u1ea7u th\u1ea9m m\u1ef9\/corrosion cao.<\/p>\n
\n– L\u00e1p tr\u00f2n: kg\/m \u2248 0.006225 \u00d7 d\u00b2 (d t\u00ednh b\u1eb1ng mm).
\n – V\u00ed d\u1ee5: \u00d850 mm \u2192 0.006225 \u00d7 50\u00b2 \u2248 15.56 kg\/m.
\n– La (flat): kg\/m \u2248 0.00793 \u00d7 b \u00d7 t (b, t t\u00ednh b\u1eb1ng mm).
\n – V\u00ed d\u1ee5: 50 \u00d7 6 mm \u2192 0.00793 \u00d7 50 \u00d7 6 \u2248 2.38 kg\/m.
\n– Thanh V (x\u1ea5p x\u1ec9, b\u1ecf qua b\u00e1n k\u00ednh l\u01b0\u1ee3n): kg\/m \u2248 0.00793 \u00d7 t \u00d7 (a + b \u2212 t), v\u1edbi a, b l\u00e0 c\u1ea1nh V (mm), t l\u00e0 d\u00e0y (mm).
\n – V\u00ed d\u1ee5: V 50\u00d750\u00d75 \u2192 0.00793 \u00d7 5 \u00d7 (50 + 50 \u2212 5) \u2248 3.41 kg\/m.
\nL\u01b0u \u00fd: H\u1ec7 s\u1ed1 kh\u00e1c nhau \u0111\u00f4i ch\u00fat theo m\u00e1c v\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u00e1n; ki\u1ec3m tra phi\u1ebfu c\u00e2n khi giao nh\u1eadn \u0111\u1ec3 ch\u1ed1t chi ph\u00ed ch\u00ednh x\u00e1c.<\/p>\n
\n– Thanh V:
\n – V \u0111\u1ec1u: 25\u00d725\u00d73 \u0111\u1ebfn 100\u00d7100\u00d710 mm.
\n – V kh\u00f4ng \u0111\u1ec1u: v\u00ed d\u1ee5 50\u00d730\u00d74, 75\u00d750\u00d76 mm; \u0111\u1eb7t h\u00e0ng theo d\u1ef1 \u00e1n.
\n– La \u0111\u00fac:
\n – 20\u00d73 \u0111\u1ebfn 150\u00d712 mm l\u00e0 size th\u00f4ng d\u1ee5ng; b\u1ea3n r\u1ed9ng 200\u2013300 mm v\u00e0 d\u00e0y >20 mm theo \u0111\u1eb7t h\u00e0ng.
\n– Bi\u00ean d\u1ea1ng kh\u00e1c c\u1ee7a thanh \u0111\u1eb7c (tham kh\u1ea3o): vu\u00f4ng (square bar), l\u1ee5c gi\u00e1c (hex bar) cho bulong\/\u0111ai \u1ed1c v\u00e0 chi ti\u1ebft \u0111\u1eb7c th\u00f9.<\/p>\n
\n– D\u00f9ng la x\u1ebb l\u00e0m b\u1ea3n m\u00e3 ch\u1ecbu l\u1ef1c \u2192 cong v\u00eanh\/h\u1edf g\u00f3c: \u01b0u ti\u00ean la \u0111\u00fac.
\n– Ch\u1ecdn l\u00e1p tr\u00f2n dung sai th\u00f4 cho \u1ed5 l\u0103n \u2192 r\u01a1\/tr\u00f3c \u1ed5: \u0111\u1eb7t h\u00e0ng m\u00e0i h9 ho\u1eb7c ground shafting.
\n– V d\u1eadp m\u1ecfng cho gi\u1eb1ng ch\u1ecbu l\u1ef1c \u2192 xo\u1eafn, l\u1ec7ch g\u00f3c: d\u00f9ng V \u0111\u00fac\/c\u00e1n n\u00f3ng b\u1ec1 d\u00e0y l\u1edbn h\u01a1n.
\n– H\u00e0n kh\u00f4ng l\u00e0m s\u1ea1ch\/th\u1ee5 \u0111\u1ed9ng \u2192 g\u1ec9 b\u1ec1 m\u1eb7t: b\u1eaft bu\u1ed9c pickling & passivation sau h\u00e0n.<\/p>\n
\n– EN 10088-3 \u2013 Stainless steels \u2013 Technical delivery conditions for semi-finished, bars, rods
\n– JIS G4303 \u2013 Stainless steel bars
\n– Outokumpu Datasheets: Core 304\/304L, Core 316\/316L \u2013 t\u00ednh n\u0103ng \u0103n m\u00f2n\/c\u01a1 t\u00ednh
\n– Nickel Institute \u2013 Guidelines for selection and use of stainless steels
\n– ASSDA (Australian Stainless Steel Development Association) \u2013 Fabrication and corrosion guidance<\/p>\n
\n– L\u1ef1a ch\u1ecdn \u0111\u00fang m\u00e1c th\u00e9p theo m\u00f4i tr\u01b0\u1eddng l\u00e0 then ch\u1ed1t: 304\/304L cho \u0111a d\u1ee5ng, 316\/316L cho v\u00f9ng clo\/bi\u1ec3n, 431\/420 cho chi ti\u1ebft c\u1ea7n \u0111\u1ed9 c\u1ee9ng\/b\u1ec1n cao.
\n– Khi mua, ki\u1ec3m tra ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng, ch\u1ee9ng ch\u1ec9 MTC, dung sai, b\u1ec1 m\u1eb7t v\u00e0 y\u00eau c\u1ea7u gia c\u00f4ng sau c\u00f9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1eafp r\u00e1p \u201cv\u00e0o vi\u1ec7c\u201d ngay t\u1ea1i x\u01b0\u1edfng.
\nC\u1ea7n t\u01b0 v\u1ea5n nhanh v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t cho thanh \u0111\u1eb7c inox t\u1ea1i H\u00e0 N\u1ed9i? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"