{"id":2004,"date":"2026-05-11T00:34:29","date_gmt":"2026-05-10T17:34:29","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/giai-ma-ky-hieu-inox-sus-aisi-astm-jis-y-nghia-va-cach-dung\/"},"modified":"2026-05-11T00:34:29","modified_gmt":"2026-05-10T17:34:29","slug":"giai-ma-ky-hieu-inox-sus-aisi-astm-jis-y-nghia-va-cach-dung","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/giai-ma-ky-hieu-inox-sus-aisi-astm-jis-y-nghia-va-cach-dung\/","title":{"rendered":"Gi\u1ea3i m\u00e3 k\u00fd hi\u1ec7u inox SUS, AISI, ASTM, JIS: \u00fd ngh\u0129a v\u00e0 c\u00e1ch d\u00f9ng"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-tong-quan-ky-hieu-nao-la-mac-ky-hieu-nao-la-tieu-c\">T\u1ed5ng quan: k\u00fd hi\u1ec7u n\u00e0o l\u00e0 \u201cm\u00e1c\u201d, k\u00fd hi\u1ec7u n\u00e0o l\u00e0 \u201cti\u00eau chu\u1ea9n\u201d?<\/a><\/li>\n<li><a href=\"#toc-1-aisi-astm-jis-sus-nghia-la-gi\">AISI, ASTM, JIS, SUS ngh\u0129a l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"#toc-2-phan-biet-mac-thep-va-tieu-chuan-san-pham-qua-vi-d\">Ph\u00e2n bi\u1ec7t \u201cm\u00e1c th\u00e9p\u201d v\u00e0 \u201cti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m\u201d qua v\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-3-quy-doi-tuong-duong-pho-bien-tham-khao-ky-thuat\">Quy \u0111\u1ed5i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ph\u1ed5 bi\u1ebfn (tham kh\u1ea3o k\u1ef9 thu\u1eadt)<\/a><\/li>\n<li><a href=\"#toc-4-cach-doc-ky-hieu-tren-tamcuonong-inox\">C\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u tr\u00ean t\u1ea5m\/cu\u1ed9n\/\u1ed1ng inox<\/a><\/li>\n<li><a href=\"#toc-5-y-nghia-cac-hau-to-va-ky-hieu-thuong-gap\">\u00dd ngh\u0129a c\u00e1c h\u1eadu t\u1ed1 v\u00e0 k\u00fd hi\u1ec7u th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-6-chon-mac-va-tieu-chuan-theo-ung-dung\">Ch\u1ecdn m\u00e1c v\u00e0 ti\u00eau chu\u1ea9n theo \u1ee9ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-7-sai-lam-pho-bien-can-tranh\">Sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-8-checklist-thong-tin-toi-thieu-khi-dat-hang-inox\">Checklist th\u00f4ng tin t\u1ed1i thi\u1ec3u khi \u0111\u1eb7t h\u00e0ng inox<\/a><\/li>\n<li><a href=\"#toc-9-cau-hoi-nhanh-faq\">C\u00e2u h\u1ecfi nhanh (FAQ)<\/a><\/li>\n<li><a href=\"#toc-10-nguon-tham-khao-chinh\">Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li>\n<li><a href=\"#toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Khi t\u00ecm mua ho\u1eb7c \u0111\u1ecdc t\u00e0i li\u1ec7u inox, b\u1ea1n s\u1ebd th\u01b0\u1eddng g\u1eb7p c\u00e1c k\u00fd hi\u1ec7u SUS, AISI, ASTM, JIS \u0111i k\u00e8m c\u00e1c m\u00e1c nh\u01b0 304, 316L, TP304, 2B\/BA. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch r\u00f5 t\u1eebng k\u00fd hi\u1ec7u, s\u1ef1 kh\u00e1c nhau, c\u00e1ch quy \u0111\u1ed5i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u00e0 c\u00e1ch \u0111\u1ecdc nh\u00e3n\/m\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1ec3 \u0111\u1eb7t h\u00e0ng \u0111\u00fang chu\u1ea9n v\u00e0 tr\u00e1nh r\u1ee7i ro k\u1ef9 thu\u1eadt. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng quan tr\u1ecdng trong ch\u1ee7 \u0111\u1ec1 \u201cth\u00e9p kh\u00f4ng g\u1ec9 cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u\u201d, nh\u01b0ng \u0111\u1ed3ng th\u1eddi \u0111\u1ee7 s\u00e2u cho k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u v\u00e0 ch\u1ee7 x\u01b0\u1edfng.<\/p>\n<h2 id=\"toc-0-tong-quan-ky-hieu-nao-la-mac-ky-hieu-nao-la-tieu-c\">T\u1ed5ng quan: k\u00fd hi\u1ec7u n\u00e0o l\u00e0 \u201cm\u00e1c\u201d, k\u00fd hi\u1ec7u n\u00e0o l\u00e0 \u201cti\u00eau chu\u1ea9n\u201d?<\/h2>\n<p>&#8211; M\u00e1c th\u00e9p (grade): T\u00ean \u0111\u1ecbnh danh th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u, v\u00ed d\u1ee5 304, 316L, 430. \u1ede Nh\u1eadt k\u00fd hi\u1ec7u th\u00eam ti\u1ec1n t\u1ed1 SUS (SUS304), \u1edf M\u1ef9 th\u01b0\u1eddng d\u00f9ng AISI 304 hay UNS S30400, \u1edf ch\u00e2u \u00c2u l\u00e0 EN 1.4301.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m: B\u1ed9 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt theo d\u1ea1ng s\u1ea3n ph\u1ea9m (t\u1ea5m\/cu\u1ed9n, \u1ed1ng, thanh\u2026), v\u00ed d\u1ee5 ASTM A240 cho t\u1ea5m, ASTM A312 cho \u1ed1ng, JIS G4305 cho t\u1ea5m c\u00e1n ngu\u1ed9i. Ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh dung sai, c\u01a1 t\u00ednh, ph\u00e9p th\u1eed, ch\u1ee9ng ch\u1ec9\u2026<\/p>\n<p>Hi\u1ec3u hai l\u1edbp kh\u00e1i ni\u1ec7m n\u00e0y gi\u00fap b\u1ea1n y\u00eau c\u1ea7u \u0111\u00fang: \u201c\u1ed0ng inox ASTM A312 TP316L SCH10S\u201d ch\u00ednh x\u00e1c h\u01a1n \u201c\u1ed1ng AISI 316\u201d.<\/p>\n<h2 id=\"toc-1-aisi-astm-jis-sus-nghia-la-gi\">AISI, ASTM, JIS, SUS ngh\u0129a l\u00e0 g\u00ec?<\/h2>\n<h3>AISI (American Iron and Steel Institute)<\/h3>\n<p>&#8211; Vai tr\u00f2: H\u1ec7 th\u1ed1ng \u0111\u1eb7t t\u00ean m\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 ki\u1ec3u 3 ch\u1eef s\u1ed1 (200\/300\/400). AISI kh\u00f4ng ph\u1ea3i ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m hay s\u1ea3n ph\u1ea9m.<br \/>\n&#8211; T\u00ecnh tr\u1ea1ng: K\u00fd hi\u1ec7u AISI 304, 316 v\u1eabn \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn nh\u01b0 t\u00ean m\u00e1c l\u1ecbch s\u1eed. Tuy nhi\u00ean d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt hi\u1ec7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd qua ASTM v\u00e0 UNS.<br \/>\n&#8211; V\u00ed d\u1ee5: AISI 304 \u2248 \u201cType 304\u201d trong ASTM v\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng UNS S30400.<\/p>\n<h3>ASTM (ASTM International)<\/h3>\n<p>&#8211; Vai tr\u00f2: Ban h\u00e0nh ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt cho v\u1eadt li\u1ec7u v\u00e0 s\u1ea3n ph\u1ea9m. V\u1edbi inox, ASTM quy \u0111\u1ecbnh c\u1ea3 th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, ph\u00e9p th\u1eed, dung sai, t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t, \u0111\u00f3ng g\u00f3i.<br \/>\n&#8211; V\u00ed d\u1ee5 ti\u00eau chu\u1ea9n th\u01b0\u1eddng g\u1eb7p:<br \/>\n  &#8211; ASTM A240\/A240M: T\u1ea5m, b\u0103ng, l\u00e1 inox (Type 304\/304L\/316\/316L\u2026)<br \/>\n  &#8211; ASTM A312\/A312M: \u1ed0ng h\u00e0n v\u00e0 \u1ed1ng \u0111\u00fac inox d\u00f9ng cho \u00e1p l\u1ef1c (TP304\/TP316L\u2026)<br \/>\n  &#8211; ASTM A269: \u1ed0ng inox d\u00f9ng cho trao \u0111\u1ed5i nhi\u1ec7t\/d\u1ee5ng c\u1ee5<br \/>\n  &#8211; ASTM A276: Thanh, th\u00e9p h\u00ecnh inox<br \/>\n  &#8211; ASTM A480: Y\u00eau c\u1ea7u chung cho t\u1ea5m, b\u0103ng inox (bao g\u1ed3m k\u00fd hi\u1ec7u b\u1ec1 m\u1eb7t 2B, BA, No.1\u2026)<br \/>\n&#8211; Ghi nh\u1edb: Khi \u0111\u1eb7t h\u00e0ng, lu\u00f4n n\u00eau r\u00f5 ti\u00eau chu\u1ea9n ASTM ph\u00f9 h\u1ee3p theo d\u1ea1ng s\u1ea3n ph\u1ea9m.<\/p>\n<h3>JIS (Japanese Industrial Standards) v\u00e0 ti\u1ec1n t\u1ed1 SUS<\/h3>\n<p>&#8211; JIS: H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p Nh\u1eadt.<br \/>\n&#8211; SUS: Ti\u1ec1n t\u1ed1 c\u1ee7a m\u00e1c inox trong JIS (SUS304, SUS316L\u2026). SUS l\u00e0 t\u00ean m\u00e1c, kh\u00f4ng ph\u1ea3i ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m.<br \/>\n&#8211; V\u00ed d\u1ee5 ti\u00eau chu\u1ea9n JIS:<br \/>\n  &#8211; JIS G4304: Th\u00e9p kh\u00f4ng g\u1ec9 t\u1ea5m\/plate c\u00e1n n\u00f3ng<br \/>\n  &#8211; JIS G4305: Th\u00e9p kh\u00f4ng g\u1ec9 t\u1ea5m\/coil c\u00e1n ngu\u1ed9i<br \/>\n  &#8211; JIS G4303: Th\u00e9p kh\u00f4ng g\u1ec9 d\u1ea1ng thanh<br \/>\n  &#8211; JIS G3459: \u1ed0ng inox d\u00f9ng cho \u1ed1ng d\u1eabn<br \/>\n  &#8211; JIS G3448: \u1ed0ng m\u1ecfng d\u00f9ng trong c\u00f4ng tr\u00ecnh<br \/>\n&#8211; L\u01b0u \u00fd: S\u1ea3n ph\u1ea9m kh\u1eafc \u201cSUS304\u201d ch\u01b0a \u0111\u1ee7; c\u1ea7n k\u00e8m ti\u00eau chu\u1ea9n JIS t\u01b0\u01a1ng \u1ee9ng (G4304\/G4305\/\u2026).<\/p>\n<h3>UNS v\u00e0 EN\/DIN (tham kh\u1ea3o th\u00eam)<\/h3>\n<p>&#8211; UNS (Unified Numbering System): M\u00e3 th\u1ed1ng nh\u1ea5t do SAE\/ASTM qu\u1ea3n l\u00fd, v\u00ed d\u1ee5 S30400 (304), S31603 (316L).<br \/>\n&#8211; EN\/DIN (ch\u00e2u \u00c2u): EN 10088 d\u00f9ng s\u1ed1 v\u1eadt li\u1ec7u nh\u01b0 1.4301 (304), 1.4307 (304L), 1.4401 (316), 1.4404 (316L). K\u00fd hi\u1ec7u h\u00f3a h\u1ecdc ki\u1ec3u X5CrNi18-10.<br \/>\n&#8211; T\u1ea1i Vi\u1ec7t Nam: Nhi\u1ec1u d\u1ef1 \u00e1n tham chi\u1ebfu ASTM ho\u1eb7c JIS; m\u1ed9t s\u1ed1 h\u1ed3 s\u01a1 d\u00f9ng EN 10088. H\u00e3y tu\u00e2n th\u1ee7 \u0111\u00fang h\u1ec7 ti\u00eau chu\u1ea9n ghi trong thi\u1ebft k\u1ebf.<\/p>\n<h2 id=\"toc-2-phan-biet-mac-thep-va-tieu-chuan-san-pham-qua-vi-d\">Ph\u00e2n bi\u1ec7t \u201cm\u00e1c th\u00e9p\u201d v\u00e0 \u201cti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m\u201d qua v\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/h2>\n<p>&#8211; T\u1ea5m 304 cho b\u1ed3n b\u1ec3:<br \/>\n  &#8211; M\u00e1c: 304 (AISI 304, SUS304, UNS S30400, EN 1.4301)<br \/>\n  &#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m: ASTM A240 (n\u1ebfu theo h\u1ec7 ASTM) ho\u1eb7c JIS G4304\/G4305 (n\u1ebfu theo JIS)<br \/>\n&#8211; \u1ed0ng d\u1eabn th\u1ef1c ph\u1ea9m 316L:<br \/>\n  &#8211; M\u00e1c: 316L (SUS316L, UNS S31603, EN 1.4404)<br \/>\n  &#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m: ASTM A312 k\u00fd hi\u1ec7u TP316L, k\u00e8m l\u1ecbch \u1ed1ng (Schedule) nh\u01b0 SCH10S<\/p>\n<p>\u0110i\u1ec3m m\u1ea5u ch\u1ed1t: \u201c304\/316L\u201d l\u00e0 m\u00e1c; \u201cA240, A312, G4305\u2026\u201d l\u00e0 ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m. Ghi thi\u1ebfu m\u1ed9t trong hai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn giao sai h\u00e0ng.<\/p>\n<h2 id=\"toc-3-quy-doi-tuong-duong-pho-bien-tham-khao-ky-thuat\">Quy \u0111\u1ed5i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ph\u1ed5 bi\u1ebfn (tham kh\u1ea3o k\u1ef9 thu\u1eadt)<\/h2>\n<p>&#8211; 304: AISI 304 = ASTM Type 304 = JIS SUS304 = UNS S30400 = EN 1.4301 (X5CrNi18-10)<br \/>\n&#8211; 304L: AISI 304L = ASTM Type 304L = JIS SUS304L = UNS S30403 = EN 1.4307<br \/>\n&#8211; 316: AISI 316 = ASTM Type 316 = JIS SUS316 = UNS S31600 = EN 1.4401<br \/>\n&#8211; 316L: AISI 316L = ASTM Type 316L = JIS SUS316L = UNS S31603 = EN 1.4404<br \/>\n&#8211; 430 (ferritic): AISI 430 = JIS SUS430 = UNS S43000 = EN 1.4016<br \/>\n&#8211; 201 (austenitic Mn-N): AISI 201 = JIS SUS201 = UNS S20100 = t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n EN 1.4372<br \/>\nGhi ch\u00fa: T\u01b0\u01a1ng \u0111\u01b0\u01a1ng h\u00f3a h\u1ecdc kh\u00f4ng lu\u00f4n \u0111\u1ed3ng ngh\u0129a c\u00f3 th\u1ec3 thay th\u1ebf 1:1 \u1edf m\u1ecdi ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m. Lu\u00f4n ki\u1ec3m tra ti\u00eau ch\u00ed c\u01a1 t\u00ednh, \u0103n m\u00f2n, ch\u1ee9ng ch\u1ec9.<\/p>\n<h2 id=\"toc-4-cach-doc-ky-hieu-tren-tamcuonong-inox\">C\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u tr\u00ean t\u1ea5m\/cu\u1ed9n\/\u1ed1ng inox<\/h2>\n<h3>Tr\u00ean t\u1ea5m\/coil<\/h3>\n<p>V\u00ed d\u1ee5 kh\u1eafc\/inkjet:<br \/>\n&#8211; \u201cASTM A240 304L 2B 1.5 x 1219 x 2438 Heat No. 8XXXX Mill: POSCO\u201d<br \/>\n  &#8211; ASTM A240: ti\u00eau chu\u1ea9n t\u1ea5m<br \/>\n  &#8211; 304L: m\u00e1c<br \/>\n  &#8211; 2B: ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t c\u00e1n ngu\u1ed9i m\u1edd ti\u00eau chu\u1ea9n<br \/>\n  &#8211; K\u00edch th\u01b0\u1edbc: d\u00e0y x r\u1ed9ng x d\u00e0i (mm)<br \/>\n  &#8211; Heat No.: s\u1ed1 n\u1ea5u (truy xu\u1ea5t MTC)<br \/>\n  &#8211; Mill: nh\u00e0 s\u1ea3n xu\u1ea5t<br \/>\nC\u00e1c m\u00e3 b\u1ec1 m\u1eb7t th\u01b0\u1eddng g\u1eb7p theo ASTM A480\/JIS:<br \/>\n&#8211; 2B: c\u00e1n ngu\u1ed9i, t\u1ea9y g\u1ec9, c\u00e1n tinh m\u1edd; ph\u1ed5 bi\u1ebfn cho gia c\u00f4ng c\u00f4ng nghi\u1ec7p<br \/>\n&#8211; BA: \u1ee7 s\u00e1ng, b\u00f3ng g\u01b0\u01a1ng nh\u1eb9; d\u00f9ng trang tr\u00ed, thi\u1ebft b\u1ecb y t\u1ebf<br \/>\n&#8211; No.1: b\u1ec1 m\u1eb7t c\u00e1n n\u00f3ng\/\u1ee7\/t\u1ea9y; d\u00f9ng cho plate d\u00e0y, b\u1ed3n b\u1ec3, k\u1ebft c\u1ea5u<br \/>\n&#8211; No.4\/HL: t\u00f3c m\u1edd, ch\u1ea3i x\u01b0\u1edbc; n\u1ed9i th\u1ea5t, trang tr\u00ed<\/p>\n<h3>Tr\u00ean \u1ed1ng<\/h3>\n<p>V\u00ed d\u1ee5 kh\u1eafc\/inkjet:<br \/>\n&#8211; \u201cASTM A312 TP316L 1-1\/2&#8243; SCH10S Heat 9XXXX Made in \u2026\u201d<br \/>\n  &#8211; ASTM A312: ti\u00eau chu\u1ea9n \u1ed1ng \u00e1p l\u1ef1c<br \/>\n  &#8211; TP316L: m\u00e1c cho \u1ed1ng (TP = Tube\/Pipe)<br \/>\n  &#8211; 1-1\/2&#8243;: danh ngh\u0129a \u0111\u01b0\u1eddng k\u00ednh (NPS)<br \/>\n  &#8211; SCH10S: l\u1ecbch \u1ed1ng m\u1ecfng (S = stainless)<br \/>\n  &#8211; Heat: s\u1ed1 n\u1ea5u \u0111\u1ec3 truy xu\u1ea5t ch\u1ee9ng ch\u1ec9<br \/>\n\u1ed0ng m\u1ecfng trang tr\u00ed c\u00f3 th\u1ec3 theo JIS G3448, k\u00fd hi\u1ec7u k\u00edch th\u01b0\u1edbc theo OD x WT (\u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i x chi\u1ec1u d\u00e0y, mm).<\/p>\n<h2 id=\"toc-5-y-nghia-cac-hau-to-va-ky-hieu-thuong-gap\">\u00dd ngh\u0129a c\u00e1c h\u1eadu t\u1ed1 v\u00e0 k\u00fd hi\u1ec7u th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; L (Low carbon): C \u2264 0.03% gi\u00fap ch\u1ed1ng \u0103n m\u00f2n k\u1ebd h\u1ea1t sau h\u00e0n (304L, 316L)<br \/>\n&#8211; H (High carbon): C cao h\u01a1n \u0111\u1ec3 t\u0103ng ch\u1ecbu nhi\u1ec7t\/\u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao (304H)<br \/>\n&#8211; N: T\u0103ng N \u0111\u1ec3 t\u0103ng b\u1ec1n ch\u1ea3y (304N, 316N)<br \/>\n&#8211; Ti\/nb-stabilized: 321 (Ti), 347 (Nb\/Cb) \u1ed5n \u0111\u1ecbnh cacbua cho m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t cao, h\u00e0n d\u00e0y<br \/>\n&#8211; TP: ti\u1ec1n t\u1ed1 trong ASTM cho \u1ed1ng (TP304, TP316L)<br \/>\n&#8211; S\u1ed1 l\u1ecbch \u1ed1ng (SCH5S\/10S\/40S\u2026): quy \u0111\u1ed5i chi\u1ec1u d\u00e0y theo NPS. L\u1ecbch c\u00e0ng l\u1edbn, th\u00e0nh c\u00e0ng d\u00e0y.<\/p>\n<h2 id=\"toc-6-chon-mac-va-tieu-chuan-theo-ung-dung\">Ch\u1ecdn m\u00e1c v\u00e0 ti\u00eau chu\u1ea9n theo \u1ee9ng d\u1ee5ng<\/h2>\n<p>&#8211; Thi\u1ebft b\u1ecb th\u1ef1c ph\u1ea9m, n\u01b0\u1edbc s\u1ea1ch trong nh\u00e0 x\u01b0\u1edfng: 304\/304L; \u1ed1ng theo ASTM A312 TP304L SCH10S ho\u1eb7c t\u1ea5m ASTM A240 2B<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng clo\/ven bi\u1ec3n, h\u00f3a ch\u1ea5t nh\u1eb9: 316\/316L; \u01b0u ti\u00ean 316L khi c\u00f3 h\u00e0n<br \/>\n&#8211; Trang tr\u00ed n\u1ed9i th\u1ea5t kh\u00f4, chi ph\u00ed t\u1ed1i \u01b0u: 201\/304 t\u00f9y y\u00eau c\u1ea7u \u0103n m\u00f2n; ki\u1ec3m tra k\u1ef9 b\u1ec1 m\u1eb7t v\u00e0 m\u00f4i tr\u01b0\u1eddng<br \/>\n&#8211; K\u1ebft c\u1ea5u, b\u1ed3n b\u1ec3 d\u00e0y: plate No.1 theo ASTM A240; n\u1ebfu h\u00e0n nhi\u1ec1u, ch\u1ecdn 304L\/316L<br \/>\n&#8211; Nhi\u1ec7t \u0111\u1ed9 cao (\u1ed1ng kh\u00f3i, trao \u0111\u1ed5i nhi\u1ec7t): xem 321\/347 ho\u1eb7c 310S theo ASTM ph\u00f9 h\u1ee3p<br \/>\n&#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9: \u0111\u1eb7t MTC lo\u1ea1i 3.1 (theo EN 10204) ho\u1eb7c theo y\u00eau c\u1ea7u d\u1ef1 \u00e1n; quy \u0111\u1ecbnh xu\u1ea5t x\u1ee9, s\u1ed1 heat<\/p>\n<h2 id=\"toc-7-sai-lam-pho-bien-can-tranh\">Sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n<p>&#8211; Ghi \u201c\u1ed1ng AISI 304\u201d khi \u0111\u1eb7t h\u00e0ng: AISI kh\u00f4ng ph\u1ea3i ti\u00eau chu\u1ea9n \u1ed1ng. H\u00e3y ghi \u201cASTM A312 TP304\u201d k\u00e8m l\u1ecbch \u1ed1ng.<br \/>\n&#8211; Nh\u1ea7m \u201cSUS = s\u1ea3n xu\u1ea5t t\u1ea1i Nh\u1eadt\u201d: SUS ch\u1ec9 l\u00e0 t\u00ean m\u00e1c theo JIS, kh\u00f4ng n\u00f3i l\u00ean xu\u1ea5t x\u1ee9.<br \/>\n&#8211; Ch\u1ec9 nh\u00ecn ch\u1eef \u201cSUS304\/304\u201d in tr\u00ean t\u1ea5m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1eadt gi\u1ea3: ph\u1ea3i ki\u1ec3m tra MTC, s\u1ed1 heat, th\u1eed th\u00e0nh ph\u1ea7n (XRF) khi c\u1ea7n.<br \/>\n&#8211; L\u1eabn 304 v\u1edbi 201 do th\u1eed nam ch\u00e2m: 304 c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb sau gia c\u00f4ng ngu\u1ed9i; th\u1eed nam ch\u00e2m kh\u00f4ng ph\u1ea3i ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh m\u00e1c.<br \/>\n&#8211; Nh\u1ea7m \u201cHL\/No.4\u201d l\u00e0 m\u00e1c: \u0111\u00f3 ch\u1ec9 l\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, kh\u00f4ng n\u00f3i l\u00ean th\u00e0nh ph\u1ea7n.<\/p>\n<h2 id=\"toc-8-checklist-thong-tin-toi-thieu-khi-dat-hang-inox\">Checklist th\u00f4ng tin t\u1ed1i thi\u1ec3u khi \u0111\u1eb7t h\u00e0ng inox<\/h2>\n<p>&#8211; M\u00e1c v\u1eadt li\u1ec7u: 304\/304L\/316L\/201\u2026 (n\u1ebfu theo JIS c\u00f3 th\u1ec3 ghi th\u00eam SUS)<br \/>\n&#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m: ASTM A240, A312, A269, JIS G4305, G3459\u2026<br \/>\n&#8211; D\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc: t\u1ea5m\/coil\/\u1ed1ng\/thanh; d\u00e0y x r\u1ed9ng x d\u00e0i ho\u1eb7c OD x WT; l\u1ecbch \u1ed1ng n\u1ebfu c\u00f3<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: 2B, BA, No.1, No.4\/HL; y\u00eau c\u1ea7u phim PVC<br \/>\n&#8211; Dung sai, c\u1ea5p b\u1ec1 m\u1eb7t, ki\u1ec3m tra NDT (n\u1ebfu \u00e1p l\u1ef1c), y\u00eau c\u1ea7u pickling\/passivation (n\u1ebfu c\u1ea7n)<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9: MTC 3.1 k\u00e8m s\u1ed1 heat; y\u00eau c\u1ea7u xu\u1ea5t x\u1ee9, nh\u00e0 m\u00e1y<br \/>\n&#8211; \u0110\u00f3ng g\u00f3i, b\u1ea3o qu\u1ea3n, nh\u00e3n m\u00e1c, m\u00e3 d\u1ef1 \u00e1n<\/p>\n<h2 id=\"toc-9-cau-hoi-nhanh-faq\">C\u00e2u h\u1ecfi nhanh (FAQ)<\/h2>\n<p>&#8211; SUS c\u00f3 ph\u1ea3i inox Nh\u1eadt? SUS l\u00e0 t\u00ean m\u00e1c theo JIS, kh\u00f4ng kh\u1eb3ng \u0111\u1ecbnh xu\u1ea5t x\u1ee9 Nh\u1eadt.<br \/>\n&#8211; AISI c\u00f2n d\u00f9ng kh\u00f4ng? D\u00f9ng nh\u01b0 t\u00ean m\u00e1c l\u1ecbch s\u1eed (304, 316), nh\u01b0ng ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt d\u1ef1a v\u00e0o ASTM\/JIS\/EN.<br \/>\n&#8211; 304 c\u00f3 nhi\u1ec5m t\u1eeb kh\u00f4ng? 304 chu\u1ea9n l\u00e0 austenit, g\u1ea7n nh\u01b0 kh\u00f4ng nhi\u1ec5m t\u1eeb; nh\u01b0ng sau c\u00e1n ngu\u1ed9i\/gia c\u00f4ng c\u00f3 th\u1ec3 h\u00fat nh\u1eb9.<br \/>\n&#8211; 201 c\u00f3 d\u00f9ng cho th\u1ef1c ph\u1ea9m? Kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho m\u00f4i tr\u01b0\u1eddng clorua\/axit v\u00e0 ti\u1ebfp x\u00fac \u0103n m\u00f2n; chu\u1ed7i th\u1ef1c ph\u1ea9m th\u01b0\u1eddng y\u00eau c\u1ea7u 304\/316 v\u00e0 tu\u00e2n th\u1ee7 v\u1ec7 sinh theo ti\u00eau chu\u1ea9n li\u00ean quan.<br \/>\n&#8211; TP trong TP304 l\u00e0 g\u00ec? Ti\u1ec1n t\u1ed1 cho \u1ed1ng theo ASTM (Tube\/Pipe). Kh\u00f4ng d\u00f9ng cho t\u1ea5m.<\/p>\n<h2 id=\"toc-10-nguon-tham-khao-chinh\">Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/h2>\n<p>&#8211; ASTM A240\/A240M \u2013 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip: https:\/\/www.astm.org\/a0240_a0240m-23.html<br \/>\n&#8211; ASTM A312\/A312M \u2013 Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes: https:\/\/www.astm.org\/a0312_a0312m-22.html<br \/>\n&#8211; ASTM A480\/A480M \u2013 General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip: https:\/\/www.astm.org\/a0480_a0480m-20.html<br \/>\n&#8211; JIS G4304\/G4305 (Stainless steel plate\/sheet\/strip): Japanese Standards Association \u2013 https:\/\/www.jsa.or.jp<br \/>\n&#8211; JIS G3459 (Stainless steel pipes): Japanese Standards Association \u2013 https:\/\/www.jsa.or.jp<br \/>\n&#8211; EN 10088 (Stainless steels \u2013 List of stainless steels): CEN<br \/>\n&#8211; Nickel Institute \u2013 Stainless steel grade overview: https:\/\/nickelinstitute.org<br \/>\n&#8211; Outokumpu grade datasheets: https:\/\/www.outokumpu.com\/grades<br \/>\n&#8211; SAE\/ASTM \u2013 Unified Numbering System (UNS) for Metals: https:\/\/www.sae.org<\/p>\n<h2 id=\"toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; AISI l\u00e0 h\u1ec7 t\u00ean m\u00e1c; ASTM v\u00e0 JIS l\u00e0 ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m; SUS l\u00e0 ti\u1ec1n t\u1ed1 m\u00e1c theo JIS.<br \/>\n&#8211; Khi \u0111\u1eb7t h\u00e0ng ph\u1ea3i n\u00eau \u0111\u1ee7 m\u00e1c + ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m + k\u00edch th\u01b0\u1edbc + b\u1ec1 m\u1eb7t + ch\u1ee9ng ch\u1ec9. V\u00ed d\u1ee5 \u0111\u00fang: ASTM A312 TP316L SCH10S; ASTM A240 304L 2B.<br \/>\n&#8211; D\u00f9ng quy \u0111\u1ed5i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (304 = SUS304 = S30400 = 1.4301) \u0111\u1ec3 \u0111\u1ecdc hi\u1ec3u t\u00e0i li\u1ec7u, nh\u01b0ng lu\u00f4n ki\u1ec3m tra ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m tr\u01b0\u1edbc khi thay th\u1ebf.<br \/>\n&#8211; Ki\u1ec3m tra MTC, s\u1ed1 heat v\u00e0 th\u1eed nghi\u1ec7m khi c\u1ea7n \u0111\u1ec3 tr\u00e1nh mua sai chu\u1ea9n ho\u1eb7c v\u1eadt li\u1ec7u k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c, ti\u00eau chu\u1ea9n v\u00e0 nh\u1eadn b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t? 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>Hi\u1ec3u \u0111\u00fang SUS, AISI, ASTM, JIS tr\u00ean inox: kh\u00e1c nhau th\u1ebf n\u00e0o, quy \u0111\u1ed5i 304=1.4301=S30400=SUS304, \u0111\u1ecdc k\u00fd hi\u1ec7u TP304, 2B\/BA, ch\u1ecdn m\u00e1c ph\u00f9 h\u1ee3p, tr\u00e1nh mua sai chu\u1ea9n.<\/p>\n","protected":false},"author":7,"featured_media":1026,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2004","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\/2004","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=2004"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2004\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1026"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}