{"id":1581,"date":"2026-01-22T00:35:24","date_gmt":"2026-01-21T17:35:24","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/inox-430-thanh-phan-dac-tinh-ung-dung-va-vi-sao-hut-nam-cham\/"},"modified":"2026-01-22T00:35:24","modified_gmt":"2026-01-21T17:35:24","slug":"inox-430-thanh-phan-dac-tinh-ung-dung-va-vi-sao-hut-nam-cham","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/inox-430-thanh-phan-dac-tinh-ung-dung-va-vi-sao-hut-nam-cham\/","title":{"rendered":"Inox 430: Th\u00e0nh ph\u1ea7n, \u0111\u1eb7c t\u00ednh, \u1ee9ng d\u1ee5ng v\u00e0 v\u00ec sao h\u00fat nam ch\u00e2m"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-inox-430-la-gi-cac-tieu-chuan-tuong-duong\">Inox 430 l\u00e0 g\u00ec? C\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/a><\/li>\n<li><a href=\"#toc-1-thanh-phan-hoa-hoc-co-tinh-va-tinh-chat-vat-ly\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/a><\/li>\n<li><a href=\"#toc-2-vi-sao-inox-430-hut-nam-cham\">V\u00ec sao inox 430 h\u00fat nam ch\u00e2m?<\/a><\/li>\n<li><a href=\"#toc-3-kha-nang-chong-an-mon-dung-o-dau-tranh-o-dau\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n: d\u00f9ng \u1edf \u0111\u00e2u, tr\u00e1nh \u1edf \u0111\u00e2u<\/a><\/li>\n<li><a href=\"#toc-4-kha-nang-gia-cong-cat-uon-han-danh-bong\">Kh\u1ea3 n\u0103ng gia c\u00f4ng: c\u1eaft, u\u1ed1n, h\u00e0n, \u0111\u00e1nh b\u00f3ng<\/a><\/li>\n<li><a href=\"#toc-5-ung-dung-tieu-bieu-tai-viet-nam\">\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u t\u1ea1i Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-6-so-sanh-nhanh-inox-430-vs-304-201-410-va-439441\">So s\u00e1nh nhanh: Inox 430 vs 304, 201, 410 v\u00e0 439\/441<\/a><\/li>\n<li><a href=\"#toc-7-cach-kiem-tra-va-chon-dung-inox-430-cho-du-an\">C\u00e1ch ki\u1ec3m tra v\u00e0 ch\u1ecdn \u0111\u00fang inox 430 cho d\u1ef1 \u00e1n<\/a><\/li>\n<li><a href=\"#toc-8-quy-cach-ton-kho-va-dich-vu-goi-y\">Quy c\u00e1ch t\u1ed3n kho v\u00e0 d\u1ecbch v\u1ee5 (g\u1ee3i \u00fd)<\/a><\/li>\n<li><a href=\"#toc-9-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-10-nguon-tham-khao\">Ngu\u1ed3n 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>Inox 430 l\u00e0 m\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 ferritic ph\u1ed5 bi\u1ebfn nh\u1edd c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u n\u0103ng trong m\u00f4i tr\u01b0\u1eddng trong nh\u00e0, kh\u00f4 r\u00e1o. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh \u2013 v\u1eadt l\u00fd, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, gia c\u00f4ng \u2013 h\u00e0n, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 gi\u1ea3i th\u00edch khoa h\u1ecdc v\u00ec sao inox 430 h\u00fat nam ch\u00e2m. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong b\u1ee9c tranh \u201cc\u00e1c m\u00e1c inox ph\u1ed5 bi\u1ebfn\u201d, gi\u00fap k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u v\u00e0 ch\u1ee7 x\u01b0\u1edfng ch\u1ecdn v\u1eadt li\u1ec7u ch\u00ednh x\u00e1c cho t\u1eebng h\u1ea1ng m\u1ee5c.<\/p>\n<h2 id=\"toc-0-inox-430-la-gi-cac-tieu-chuan-tuong-duong\">Inox 430 l\u00e0 g\u00ec? C\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/h2>\n<p>&#8211; H\u1ec7 kim lo\u1ea1i: Th\u00e9p kh\u00f4ng g\u1ec9 ferritic (n\u1ec1n ferit, c\u1ea5u tr\u00fac BCC).<br \/>\n&#8211; Th\u00e0nh ph\u1ea7n \u0111\u1eb7c tr\u01b0ng: 16\u201318% Cr, carbon th\u1ea5p; h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 Nickel (Ni).<br \/>\n&#8211; K\u00fd hi\u1ec7u ti\u00eau chu\u1ea9n:<br \/>\n  &#8211; ASTM\/ASME: Type 430 (theo ASTM A240\/A480).<br \/>\n  &#8211; EN: 1.4016 (X6Cr17 \u2013 theo EN 10088).<br \/>\n  &#8211; JIS: SUS430.<br \/>\n&#8211; D\u1ea1ng h\u00e0ng th\u00f4ng d\u1ee5ng t\u1ea1i Vi\u1ec7t Nam: t\u1ea5m\/coil 0.4\u20133.0 mm (r\u1ed9ng 1000\/1219\/1500), 2B, BA, HL\/No.4, g\u01b0\u01a1ng No.8; \u1ed1ng trang tr\u00ed h\u00e0n TIG\/MIG.<\/p>\n<h2 id=\"toc-1-thanh-phan-hoa-hoc-co-tinh-va-tinh-chat-vat-ly\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/h2>\n<h3>Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc (tham kh\u1ea3o theo ASTM A240\/EN 10088)<\/h3>\n<p>&#8211; C \u2264 0.12%; Mn \u2264 1.00%; Si \u2264 1.00%; P \u2264 0.040%; S \u2264 0.030%.<br \/>\n&#8211; Cr 16.0\u201318.0%.<br \/>\n&#8211; Ni: th\u01b0\u1eddng kh\u00f4ng quy \u0111\u1ecbnh (n\u1ebfu c\u00f3 ch\u1ec9 v\u1ebft).<br \/>\n&#8211; Bi\u1ebfn th\u1ec3:<br \/>\n  &#8211; 430F: th\u00eam S \u0111\u1ec3 c\u1eaft g\u1ecdt t\u1ed1t h\u01a1n (kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho u\u1ed1n\/h\u00e0n).<br \/>\n  &#8211; 439\/441: ferritic \u1ed5n \u0111\u1ecbnh Nb\/Ti, c\u1ea3i thi\u1ec7n h\u00e0n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n v\u00f9ng nhi\u1ec7t.<\/p>\n<h3>C\u01a1 t\u00ednh \u1edf tr\u1ea1ng th\u00e1i \u1ee7 (annealed, gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh)<\/h3>\n<p>&#8211; \u0110\u1ed9 b\u1ec1n k\u00e9o (Rm): ~450\u2013600 MPa; gi\u1edbi h\u1ea1n ch\u1ea3y (Rp0.2): \u2265205 MPa.<br \/>\n&#8211; \u0110\u1ed9 gi\u00e3n d\u00e0i: \u226522% (t\u00f9y chi\u1ec1u d\u00e0y).<br \/>\n&#8211; \u0110\u1ed9 c\u1ee9ng: t\u1ed1i \u0111a kho\u1ea3ng HRB 89 (\u2248\u2264 179\u2013183 HB).<br \/>\nL\u01b0u \u00fd: gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3 ph\u1ee5 thu\u1ed9c ti\u00eau chu\u1ea9n, chi\u1ec1u d\u00e0y v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<h3>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/h3>\n<p>&#8211; Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang: ~7.7 g\/cm\u00b3 (th\u1ea5p h\u01a1n nh\u00f3m austenitic ~8.0 g\/cm\u00b3).<br \/>\n&#8211; D\u1eabn nhi\u1ec7t: ~25 W\/m\u00b7K (cao h\u01a1n 304, gi\u00fap t\u1ea3n nhi\u1ec7t t\u1ed1t).<br \/>\n&#8211; H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t: ~10\u201311 \u00b5m\/m\u00b7K (th\u1ea5p h\u01a1n 304, \u00edt cong v\u00eanh khi gia nhi\u1ec7t).<br \/>\n&#8211; \u0110i\u1ec7n tr\u1edf su\u1ea5t: ~0.60 \u00b5\u03a9\u00b7m (20\u00b0C).<br \/>\n&#8211; Nhi\u1ec7t \u0111\u1ed9 ch\u1ecbu \u00f4xy h\u00f3a: kho\u1ea3ng \u0111\u1ebfn 815\u00b0C (li\u00ean t\u1ee5c), cao h\u01a1n cho chu k\u1ef3 ng\u1eaft qu\u00e3ng; kh\u00f4ng d\u00f9ng cho cryogenic.<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o cho c\u00e1c d\u1ea3i gi\u00e1 tr\u1ecb: ASTM A240\/A480, EN 10088, datasheet c\u1ee7a Outokumpu, AK Steel\/Cleveland-Cliffs, SSINA.<\/p>\n<h2 id=\"toc-2-vi-sao-inox-430-hut-nam-cham\">V\u00ec sao inox 430 h\u00fat nam ch\u00e2m?<\/h2>\n<p>&#8211; N\u1ec1n t\u1ea3ng vi c\u1ea5u tr\u00fac: Inox 430 l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 ferritic, m\u1ea1ng tinh th\u1ec3 l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC). Ferit l\u00e0 ferromagnetic, n\u00ean b\u1ecb nam ch\u00e2m h\u00fat m\u1ea1nh.<br \/>\n&#8211; Vai tr\u00f2 c\u1ee7a Nickel: Kh\u00f4ng c\u00f3 Ni kh\u00f4ng ph\u1ea3i l\u00e0 \u201cnguy\u00ean nh\u00e2n\u201d tr\u1ef1c ti\u1ebfp l\u00e0m h\u00fat nam ch\u00e2m; Ni trong c\u00e1c m\u00e1c austenitic (nh\u01b0 304) \u1ed5n \u0111\u1ecbnh pha austenit (FCC) v\u1ed1n kh\u00f4ng t\u1eeb t\u00ednh \u1edf tr\u1ea1ng th\u00e1i \u1ee7.<br \/>\n&#8211; So s\u00e1nh v\u1edbi 304\/201: 304\/201 \u1edf tr\u1ea1ng th\u00e1i \u1ee7 g\u1ea7n nh\u01b0 kh\u00f4ng ho\u1eb7c r\u1ea5t \u00edt b\u1ecb h\u00fat; tuy nhi\u00ean sau khi gia c\u00f4ng ngu\u1ed9i m\u1ea1nh (c\u00e1n ngu\u1ed9i, u\u1ed1n g\u1eaft), ch\u00fang c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9. 430 th\u00ec h\u1ea7u nh\u01b0 lu\u00f4n h\u00fat m\u1ea1nh \u1edf m\u1ecdi tr\u1ea1ng th\u00e1i.<br \/>\n&#8211; Ghi ch\u00fa: \u1ede nhi\u1ec7t \u0111\u1ed9 \u0111\u1ee7 cao v\u01b0\u1ee3t qua nhi\u1ec7t \u0111\u1ed9 Curie, t\u00ednh t\u1eeb s\u1ebd m\u1ea5t; khi ngu\u1ed9i tr\u1edf l\u1ea1i t\u00ednh t\u1eeb ph\u1ee5c h\u1ed3i.<\/p>\n<h2 id=\"toc-3-kha-nang-chong-an-mon-dung-o-dau-tranh-o-dau\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n: d\u00f9ng \u1edf \u0111\u00e2u, tr\u00e1nh \u1edf \u0111\u00e2u<\/h2>\n<p>&#8211; M\u00f4i tr\u01b0\u1eddng ph\u00f9 h\u1ee3p:<br \/>\n  &#8211; Trong nh\u00e0, kh\u00f4 r\u00e1o, kh\u00ed quy\u1ec3n \u0111\u00f4 th\u1ecb \u00edt \u0103n m\u00f2n.<br \/>\n  &#8211; M\u00f4i tr\u01b0\u1eddng \u00f4xy h\u00f3a nh\u1eb9 nh\u01b0 axit nitric lo\u00e3ng, \u1ee9ng d\u1ee5ng gia d\u1ee5ng \u2013 n\u1ed9i th\u1ea5t.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng c\u1ea7n c\u00e2n nh\u1eafc\/tr\u00e1nh:<br \/>\n  &#8211; C\u00f3 clo\/ion Cl- (n\u01b0\u1edbc m\u1eb7n, h\u01a1i mu\u1ed1i, ch\u1ea5t t\u1ea9y clo, n\u01b0\u1edbc r\u1eeda ch\u00e9n m\u1eb7n) \u2013 d\u1ec5 r\u1ed7\/\u0103n k\u1ebd.<br \/>\n  &#8211; M\u00f4i tr\u01b0\u1eddng axit kh\u1eed, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, ngo\u00e0i tr\u1eddi ven bi\u1ec3n.<br \/>\n&#8211; Ch\u1ec9 s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i: PREN 430 ~ 16\u201318; 304 ~ 18\u201320; 316 ~ 24\u201326 \u2192 430 k\u00e9m 304\/316 v\u1ec1 ch\u1ed1ng r\u1ed7 clorua.<br \/>\n&#8211; Khi c\u00f3 m\u1ed1i h\u00e0n d\u00e0y\/\u0111\u01b0\u1eddng h\u00e0n nhi\u1ec1u: n\u00ean c\u00e2n nh\u1eafc 439\/441 (\u1ed5n \u0111\u1ecbnh Nb\/Ti) \u0111\u1ec3 gi\u1ea3m nh\u1ea1y c\u1ea3m \u0103n m\u00f2n li\u00ean k\u1ebft h\u1ea1t v\u00e0 gi\u00f2n v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t.<\/p>\n<h2 id=\"toc-4-kha-nang-gia-cong-cat-uon-han-danh-bong\">Kh\u1ea3 n\u0103ng gia c\u00f4ng: c\u1eaft, u\u1ed1n, h\u00e0n, \u0111\u00e1nh b\u00f3ng<\/h2>\n<h3>C\u1eaft \u2013 gia c\u00f4ng nhi\u1ec7t<\/h3>\n<p>&#8211; C\u1eaft guillotine, laser, plasma \u0111\u1ec1u ph\u00f9 h\u1ee3p; v\u1edbi laser c\u1ea7n hi\u1ec7u ch\u1ec9nh do d\u1eabn nhi\u1ec7t cao h\u01a1n 304.<br \/>\n&#8211; Tr\u00e1nh \u0111\u1ec3 ba via s\u1eafc g\u00e2y kh\u1edfi ph\u00e1t r\u1ed7; n\u00ean m\u00e0i ph\u00e1 v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau gia c\u00f4ng.<\/p>\n<h3>U\u1ed1n \u2013 t\u1ea1o h\u00ecnh<\/h3>\n<p>&#8211; \u0110\u1ed9 h\u00f3a b\u1ec1n bi\u1ebfn d\u1ea1ng c\u1ee7a 430 th\u1ea5p h\u01a1n 304, u\u1ed1n d\u1eadp trung b\u00ecnh; ch\u1ed1ng n\u1ee9t k\u00e9m h\u01a1n austenitic khi u\u1ed1n g\u1eaft.<br \/>\n&#8211; Khuy\u1ebfn ngh\u1ecb th\u1ef1c t\u1ebf:<br \/>\n  &#8211; B\u00e1n k\u00ednh u\u1ed1n trong t\u1ed1i thi\u1ec3u ri \u2265 1.0\u00d7t (vu\u00f4ng g\u00f3c h\u01b0\u1edbng c\u00e1n); theo h\u01b0\u1edbng c\u00e1n n\u00ean \u22651.5\u20132.0\u00d7t \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 n\u1ee9t m\u00e9p.<br \/>\n  &#8211; B\u00f4i tr\u01a1n t\u1ed1t, l\u00e0m s\u1ea1ch sau u\u1ed1n \u0111\u1ec3 tr\u00e1nh \u0103n k\u1ebd do c\u1eb7n b\u1ea9n.<\/p>\n<h3>H\u00e0n<\/h3>\n<p>&#8211; Kh\u1ea3 n\u0103ng h\u00e0n: t\u1eeb trung b\u00ecnh \u0111\u1ebfn kh\u00e1; tr\u00e1nh nhi\u1ec7t \u0111\u1ea7u v\u00e0o cao \u0111\u1ec3 h\u1ea1n ch\u1ebf th\u00f4 h\u1ea1t\/gi\u00f2n.<br \/>\n&#8211; Th\u1ef1c h\u00e0nh khuy\u1ebfn ngh\u1ecb:<br \/>\n  &#8211; H\u00e0n TIG\/MIG v\u1edbi nhi\u1ec7t v\u00e0o th\u1ea5p, ki\u1ec3m so\u00e1t nhi\u1ec7t gi\u1eefa l\u01b0\u1ee3t h\u00e0n (interpass) \u2264150\u00b0C.<br \/>\n  &#8211; V\u1eadt li\u1ec7u \u0111i\u1ec1n: c\u00f3 th\u1ec3 d\u00f9ng d\u00e2y\/que 430 (matching) cho m\u1ed1i h\u00e0n m\u1ecfng; v\u1edbi k\u1ebft c\u1ea5u y\u00eau c\u1ea7u \u0111\u1ed9 dai cao, nhi\u1ec1u \u0111\u01a1n v\u1ecb ch\u1ecdn 308L\/309L \u0111\u1ec3 t\u0103ng \u0111\u1ed9 d\u1ebbo m\u1ed1i h\u00e0n (\u0111\u00e1nh \u0111\u1ed5i ch\u00fat kh\u00e1c bi\u1ec7t \u0103n m\u00f2n).<br \/>\n  &#8211; \u1ee6 gi\u1ea3m \u1ee9ng su\u1ea5t ho\u1eb7c \u1ee7 ph\u1ee5c h\u1ed3i 760\u2013815\u00b0C, l\u00e0m ngu\u1ed9i kh\u00f4ng qu\u00e1 ch\u1eadm; kh\u00f4ng t\u00f4i c\u1ee9ng \u0111\u01b0\u1ee3c b\u1eb1ng t\u00f4i n\u01b0\u1edbc.<br \/>\n&#8211; Tr\u00e1nh l\u01b0u gi\u1eef l\u00e2u 400\u2013550\u00b0C (nguy c\u01a1 gi\u00f2n 475\u00b0C).<\/p>\n<h3>Gia c\u00f4ng c\u1eaft g\u1ecdt \u2013 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/h3>\n<p>&#8211; Gia c\u00f4ng c\u1eaft g\u1ecdt t\u1ed1t h\u01a1n 304 nh\u01b0ng k\u00e9m 430F; d\u00f9ng dao h\u1ee3p kim, d\u1ea7u c\u1eaft c\u00f3 l\u01b0u hu\u1ef3nh c\u1ea3i thi\u1ec7n ph\u00e1 phoi.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n: 2B cho s\u01a1n ph\u1ee7; BA v\u00e0 No.4\/HL cho trang tr\u00ed gia d\u1ee5ng; No.8 cho trang tr\u00ed cao c\u1ea5p. Lu\u00f4n l\u00e0m s\u1ea1ch \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a (acid nitric\/citrid) sau ho\u00e0n thi\u1ec7n \u0111\u1ec3 ph\u1ee5c h\u1ed3i m\u00e0ng th\u1ee5 \u0111\u1ed9ng.<\/p>\n<h2 id=\"toc-5-ung-dung-tieu-bieu-tai-viet-nam\">\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u t\u1ea1i Vi\u1ec7t Nam<\/h2>\n<p>&#8211; Gia d\u1ee5ng \u2013 nh\u00e0 b\u1ebfp: m\u1eb7t sau t\u1ee7 l\u1ea1nh, l\u00f2 n\u01b0\u1edbng, m\u00e1y gi\u1eb7t, \u1ed1p t\u01b0\u1eddng b\u1ebfp kh\u00f4, ch\u1ee5p h\u00fat m\u00f9i (trong nh\u00e0), n\u1eb9p trang tr\u00ed.<br \/>\n&#8211; N\u1ed9i th\u1ea5t \u2013 ki\u1ebfn tr\u00fac trong nh\u00e0: \u1ed1p tr\u1ea7n\/t\u01b0\u1eddng, chi ti\u1ebft thang m\u00e1y trong nh\u00e0 kh\u00f4, \u0111\u1ed3 n\u1ed9i th\u1ea5t inox, b\u1ea3ng t\u1eeb (t\u1eadn d\u1ee5ng t\u00ednh h\u00fat nam ch\u00e2m).<br \/>\n&#8211; \u00d4 t\u00f4 \u2013 xe m\u00e1y: \u1ed1p trang tr\u00ed, chi ti\u1ebft khoang m\u00e1y \u00edt \u0103n m\u00f2n, n\u1eb9p.<br \/>\n&#8211; C\u01a1 kh\u00ed \u2013 HVAC: \u1ed1ng gi\u00f3, v\u1ecf m\u00e1y, t\u1ee7 \u0111i\u1ec7n trong nh\u00e0, b\u00e0n thao t\u00e1c, k\u1ec7 kho kh\u00f4.<br \/>\n&#8211; C\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m: c\u00e1c chi ti\u1ebft \u00edt nguy c\u01a1 clorua, v\u1ec7 sinh b\u1eb1ng ch\u1ea5t t\u1ea9y kh\u00f4ng c\u00f3 clo; kh\u00f4ng khuy\u1ebfn ngh\u1ecb ti\u1ebfp x\u00fac n\u01b0\u1edbc mu\u1ed1i\/brine.<\/p>\n<h2 id=\"toc-6-so-sanh-nhanh-inox-430-vs-304-201-410-va-439441\">So s\u00e1nh nhanh: Inox 430 vs 304, 201, 410 v\u00e0 439\/441<\/h2>\n<p>&#8211; 430 vs 304:<br \/>\n  &#8211; Ch\u1ed1ng \u0103n m\u00f2n: 430 < 304, \u0111\u1eb7c bi\u1ec7t v\u1edbi Cl-.\n  - T\u1eeb t\u00ednh: 430 h\u00fat m\u1ea1nh; 304 g\u1ea7n nh\u01b0 kh\u00f4ng h\u00fat (tr\u1eeb khi bi\u1ebfn d\u1ea1ng ngu\u1ed9i).\n  - D\u1ec5 u\u1ed1n\/h\u00e0n: 430 k\u00e9m h\u01a1n 304 m\u1ed9t ch\u00fat; c\u1ea7n ki\u1ec3m so\u00e1t nhi\u1ec7t.\n  - Chi ph\u00ed: 430 th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 (\u00edt ph\u1ee5 thu\u1ed9c gi\u00e1 Ni).\n- 430 vs 201:\n  - 201 r\u1ebb g\u1ea7n 430, c\u01a1 t\u00ednh cao, nh\u01b0ng ch\u1ed1ng \u0103n m\u00f2n v\u1edbi Cl- kh\u00f4ng \u1ed5n \u0111\u1ecbnh n\u1ebfu kh\u00f4ng ki\u1ec3m so\u00e1t; 201 g\u1ea7n nh\u01b0 kh\u00f4ng h\u00fat \u1edf tr\u1ea1ng th\u00e1i \u1ee7.\n- 430 vs 410 (martensitic):\n  - 410 c\u00f3 th\u1ec3 t\u00f4i c\u1ee9ng, \u0111\u1ed9 b\u1ec1n cao h\u01a1n nh\u01b0ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 d\u1ebbo th\u1ea5p h\u01a1n; h\u00e0n kh\u00f3 h\u01a1n 430.\n- 430 vs 439\/441:\n  - 439\/441 (ferritic \u1ed5n \u0111\u1ecbnh Nb\/Ti) h\u00e0n t\u1ed1t h\u01a1n, ch\u1ed1ng \u0103n m\u00f2n\/n\u1ee9t HAZ t\u1ed1t h\u01a1n; chi ph\u00ed cao h\u01a1n 430, th\u1ea5p h\u01a1n 304. L\u1ef1a ch\u1ecdn t\u1ed1t khi c\u00f3 nhi\u1ec1u m\u1ed1i h\u00e0n.\n\n\n\n<h2 id=\"toc-7-cach-kiem-tra-va-chon-dung-inox-430-cho-du-an\">C\u00e1ch ki\u1ec3m tra v\u00e0 ch\u1ecdn \u0111\u00fang inox 430 cho d\u1ef1 \u00e1n<\/h2>\n<p>&#8211; \u0110\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o \u201cth\u1eed nam ch\u00e2m\u201d: 430 h\u00fat m\u1ea1nh, nh\u01b0ng 304 c\u00e1n ngu\u1ed9i c\u0169ng c\u00f3 th\u1ec3 h\u00fat nh\u1eb9. C\u1ea7n x\u00e1c minh th\u00eam.<br \/>\n&#8211; Ki\u1ec3m ch\u1ee9ng nhanh t\u1ea1i x\u01b0\u1edfng:<br \/>\n  &#8211; \u0110\u1ecdc m\u00e1c\/nh\u00e3n coil v\u00e0 MTC (Mill Test Certificate) theo ASTM A240\/EN 10088.<br \/>\n  &#8211; D\u00f9ng PMI\/XRF c\u1ea7m tay \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh Cr ~16\u201318%, Ni \u22480.<br \/>\n  &#8211; Quan s\u00e1t b\u1ec1 m\u1eb7t: BA\/2B \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng r\u1ed7 \u0111en; \u0111o chi\u1ec1u d\u00e0y theo ASTM A480.<br \/>\n&#8211; L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u:<br \/>\n  &#8211; Trong nh\u00e0, kh\u00f4 \u2013 trang tr\u00ed: 430\/430BA l\u00e0 t\u1ed1i \u01b0u chi ph\u00ed.<br \/>\n  &#8211; K\u1ebft c\u1ea5u nhi\u1ec1u m\u1ed1i h\u00e0n: \u01b0u ti\u00ean 439\/441.<br \/>\n  &#8211; Ngo\u00e0i tr\u1eddi, ven bi\u1ec3n, n\u01b0\u1edbc\/\u1ea9m c\u00f3 Cl-: chuy\u1ec3n sang 304\/316.<br \/>\n&#8211; B\u1ea3o tr\u00ec:<br \/>\n  &#8211; Lau r\u1eeda \u0111\u1ecbnh k\u1ef3 b\u1eb1ng x\u00e0 ph\u00f2ng trung t\u00ednh; tr\u00e1nh ch\u1ea5t t\u1ea9y clo; th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ecbnh k\u1ef3 cho b\u1ec1 m\u1eb7t l\u00e0m vi\u1ec7c.<\/p>\n<h2 id=\"toc-8-quy-cach-ton-kho-va-dich-vu-goi-y\">Quy c\u00e1ch t\u1ed3n kho v\u00e0 d\u1ecbch v\u1ee5 (g\u1ee3i \u00fd)<\/h2>\n<p>&#8211; T\u1ea5m\/coil: 0.4\u20133.0 mm; r\u1ed9ng 1000\/1219\/1500; b\u1ec1 m\u1eb7t 2B, BA, HL\/No.4, No.8.<br \/>\n&#8211; \u1ed0ng trang tr\u00ed 430: \u03a69.5\u2013\u03a6114, \u0111\u1ed9 d\u00e0y 0.5\u20132.0 mm, h\u00e0n TIG\/MIG, b\u1ec1 m\u1eb7t b\u00f3ng\/HL.<br \/>\n&#8211; Gia c\u00f4ng theo y\u00eau c\u1ea7u: c\u1eaft x\u1ea3 b\u0103ng, ch\u1ea5n u\u1ed1n, d\u1eadp l\u1ed7, \u0111\u00e1nh b\u00f3ng, kh\u1eafc laser.<br \/>\nLi\u00ean h\u1ec7 \u0111\u1ec3 ki\u1ec3m tra t\u1ed3n kho th\u1ef1c t\u1ebf v\u00e0 nh\u1eadn b\u00e1o gi\u00e1 nhanh theo kh\u1ed5, b\u1ec1 m\u1eb7t, s\u1ed1 l\u01b0\u1ee3ng.<\/p>\n<h2 id=\"toc-9-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; Inox 430 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng?<br \/>\n  &#8211; C\u00f3 th\u1ec3, trong m\u00f4i tr\u01b0\u1eddng c\u00f3 clorua, \u1ea9m, ho\u1eb7c ngo\u00e0i tr\u1eddi ven bi\u1ec3n. Trong nh\u00e0 kh\u00f4 r\u00e1o, 430 gi\u1eef b\u1ec1 m\u1eb7t r\u1ea5t t\u1ed1t n\u1ebfu v\u1ec7 sinh \u0111\u00fang c\u00e1ch.<br \/>\n&#8211; D\u00f9ng 430 l\u00e0m ch\u1eadu r\u1eeda \u0111\u01b0\u1ee3c kh\u00f4ng?<br \/>\n  &#8211; C\u00f3 th\u1ec3 cho ph\u00e2n kh\u00fac ti\u1ebft ki\u1ec7m v\u00e0 khu v\u1ef1c n\u01b0\u1edbc m\u1ec1m\/\u00edt m\u1eb7n; tuy nhi\u00ean 304 v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n v\u1ec1 ch\u1ed1ng r\u1ed7 do mu\u1ed1i.<br \/>\n&#8211; 430 c\u00f3 an to\u00e0n ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m?<br \/>\n  &#8211; 1.4016\/Type 430 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong thi\u1ebft b\u1ecb gia d\u1ee5ng, n\u1ed9i th\u1ea5t th\u1ef1c ph\u1ea9m; tu\u00e2n th\u1ee7 v\u1ec7 sinh v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u00fang quy tr\u00ecnh l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c (tham kh\u1ea3o Euro Inox\/Nickel Institute).<\/p>\n<h2 id=\"toc-10-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A240\/A480 \u2013 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip.<br \/>\n&#8211; EN 10088-1\/2 \u2013 Stainless steels (chemical composition, mechanical properties).<br \/>\n&#8211; Outokumpu Stainless Steel Handbook &#038; Grade Datasheet 1.4016 (https:\/\/www.outokumpu.com).<br \/>\n&#8211; AK Steel\/Cleveland-Cliffs Type 430 Stainless Steel Data Sheet (https:\/\/www.clevelandcliffs.com).<br \/>\n&#8211; SSINA \u2013 Stainless Steel 430 Grade Datasheet (https:\/\/www.ssina.com).<br \/>\n&#8211; Atlas Steels Technical Handbook \u2013 Atlas Grade Datasheets 430 (https:\/\/www.atlassteels.com.au).<br \/>\n&#8211; Euro Inox \u2013 Stainless Steel: Fabrication, Food Contact (https:\/\/www.euro-inox.org).<br \/>\n&#8211; Nickel Institute \u2013 Magnetic Properties of Stainless Steels (https:\/\/www.nickelinstitute.org).<\/p>\n<h2 id=\"toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>Inox 430 l\u00e0 l\u1ef1a ch\u1ecdn \u201c\u0111\u00fang m\u1ee5c ti\u00eau \u2013 \u0111\u00fang chi ph\u00ed\u201d cho m\u00f4i tr\u01b0\u1eddng trong nh\u00e0, kh\u00f4 r\u00e1o, y\u00eau c\u1ea7u trang tr\u00ed ho\u1eb7c c\u01a1 kh\u00ed nh\u1eb9, n\u01a1i c\u1ea7n b\u1ec1 m\u1eb7t \u0111\u1eb9p, d\u1ec5 v\u1ec7 sinh v\u00e0 t\u00ednh t\u1eeb m\u1ea1nh. B\u1ea3n ch\u1ea5t ferritic (Cr 16\u201318%, kh\u00f4ng Ni) gi\u1ea3i th\u00edch v\u00ec sao 430 h\u00fat nam ch\u00e2m; \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0 l\u00fd do 430 k\u00e9m 304\/316 v\u1ec1 ch\u1ed1ng \u0103n m\u00f2n clorua v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t nhi\u1ec7t khi h\u00e0n. H\u00e3y d\u00f9ng 430 cho gia d\u1ee5ng \u2013 n\u1ed9i th\u1ea5t, \u1ed1p trang tr\u00ed, \u1ed1ng gi\u00f3, t\u1ee7 \u0111i\u1ec7n trong nh\u00e0; chuy\u1ec3n sang 439\/441 khi h\u00e0n nhi\u1ec1u, v\u00e0 304\/316 khi ra ngo\u00e0i tr\u1eddi\/ven bi\u1ec3n. L\u1ef1a ch\u1ecdn \u0111\u00fang m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c s\u1ebd t\u1ed1i \u01b0u c\u1ea3 tu\u1ed5i th\u1ecd l\u1eabn chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n chi ti\u1ebft \u1ee9ng d\u1ee5ng, ch\u1ecdn b\u1ec1 m\u1eb7t, quy c\u00e1ch v\u00e0 nh\u1eadn b\u00e1o gi\u00e1 t\u1ed1t? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u2013 Hotline: 0343.417.281 \u2013 Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Inox 430: ferritic 16\u201318% Cr, c\u01a1 l\u00fd t\u00ednh, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, gia c\u00f4ng\u2013h\u00e0n, \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh v\u00e0 l\u1eddi gi\u1ea3i r\u00f5 r\u00e0ng v\u00ec sao inox 430 h\u00fat nam ch\u00e2m.<\/p>\n","protected":false},"author":7,"featured_media":1074,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1581","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\/1581","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=1581"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1581\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1074"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}