{"id":1937,"date":"2026-04-23T00:34:41","date_gmt":"2026-04-22T17:34:41","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/ghi-thong-so-inox-tren-ban-ve-theo-chuan-astm-jis-en-chinh-xac\/"},"modified":"2026-04-23T00:34:41","modified_gmt":"2026-04-22T17:34:41","slug":"ghi-thong-so-inox-tren-ban-ve-theo-chuan-astm-jis-en-chinh-xac","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/ghi-thong-so-inox-tren-ban-ve-theo-chuan-astm-jis-en-chinh-xac\/","title":{"rendered":"Ghi th\u00f4ng s\u1ed1 Inox tr\u00ean b\u1ea3n v\u1ebd theo chu\u1ea9n ASTM\/JIS\/EN ch\u00ednh x\u00e1c"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-nguyen-tac-vang-khi-ghi-vat-lieu-inox-tren-ban-ve\">Nguy\u00ean t\u1eafc v\u00e0ng khi ghi v\u1eadt li\u1ec7u Inox tr\u00ean b\u1ea3n v\u1ebd<\/a><\/li>\n<li><a href=\"#toc-1-ghi-cho-tung-dang-san-pham-inox\">Ghi cho t\u1eebng d\u1ea1ng s\u1ea3n ph\u1ea9m Inox<\/a><\/li>\n<li><a href=\"#toc-2-be-mat-nham-va-xu-ly-sau-gia-cong\">B\u1ec1 m\u1eb7t, nh\u00e1m v\u00e0 x\u1eed l\u00fd sau gia c\u00f4ng<\/a><\/li>\n<li><a href=\"#toc-3-dung-sai-kich-thuoc-va-hinh-hoc\">Dung sai k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh h\u1ecdc<\/a><\/li>\n<li><a href=\"#toc-4-lua-chon-mac-theo-moi-truong-lam-viec\">L\u1ef1a ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/a><\/li>\n<li><a href=\"#toc-5-chung-chi-truy-xuat-nguon-goc-va-nhan-mac\">Ch\u1ee9ng ch\u1ec9, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 nh\u00e3n m\u00e1c<\/a><\/li>\n<li><a href=\"#toc-6-yeu-cau-gia-cong-lap-va-kiem-tra\">Y\u00eau c\u1ea7u gia c\u00f4ng, l\u1eafp v\u00e0 ki\u1ec3m tra<\/a><\/li>\n<li><a href=\"#toc-7-mau-ghi-chu-vat-lieu-spec-note-co-the-sao-chep\">M\u1eabu ghi ch\u00fa v\u1eadt li\u1ec7u (SPEC NOTE) \u2013 c\u00f3 th\u1ec3 sao ch\u00e9p<\/a><\/li>\n<li><a href=\"#toc-8-loi-thuong-gap-va-cach-tranh\">L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-9-bang-doi-chieu-nhanh-mac-inox-tham-khao\">B\u1ea3ng \u0111\u1ed1i chi\u1ebfu nhanh m\u00e1c Inox (tham kh\u1ea3o)<\/a><\/li>\n<li><a href=\"#toc-10-checklist-truoc-khi-gui-ban-ve-cho-nha-cung-cap\">Checklist tr\u01b0\u1edbc khi g\u1eedi b\u1ea3n v\u1ebd cho nh\u00e0 cung c\u1ea5p<\/a><\/li>\n<li><a href=\"#toc-11-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong mua s\u1eafm c\u00f4ng nghi\u1ec7p, c\u00e1ch ghi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Inox tr\u00ean b\u1ea3n v\u1ebd quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp ch\u1ea5t l\u01b0\u1ee3ng, chi ph\u00ed v\u00e0 ti\u1ebfn \u0111\u1ed9. B\u00e0i vi\u1ebft n\u00e0y h\u01b0\u1edbng d\u1eabn b\u1ea1n ghi \u0111\u00fang v\u00e0 \u0111\u1ee7 th\u00f4ng tin v\u1eadt li\u1ec7u Inox theo chu\u1ea9n ASTM\/JIS\/EN \u0111\u1ec3 nh\u00e0 cung c\u1ea5p hi\u1ec3u \u0111\u00fang \u00fd \u0111\u1ed3 thi\u1ebft k\u1ebf, gi\u1ea3m r\u1ee7i ro sai m\u00e1c, sai b\u1ec1 m\u1eb7t hay sai dung sai. \u0110\u00e2y l\u00e0 k\u1ef9 n\u0103ng c\u1ed1t l\u00f5i trong \u201cC\u1ea9m nang Mua h\u00e0ng Inox d\u00e0nh cho Doanh nghi\u1ec7p, \u0110\u1ea1i l\u00fd v\u00e0 K\u1ef9 s\u01b0\u201d.<\/p>\n<h2 id=\"toc-0-nguyen-tac-vang-khi-ghi-vat-lieu-inox-tren-ban-ve\">Nguy\u00ean t\u1eafc v\u00e0ng khi ghi v\u1eadt li\u1ec7u Inox tr\u00ean b\u1ea3n v\u1ebd<\/h2>\n<p>&#8211; Ghi theo chu\u1ea9n c\u00f4ng nghi\u1ec7p: n\u00eau ti\u00eau chu\u1ea9n, m\u00e1c\/UNS\/EN, d\u1ea1ng s\u1ea3n ph\u1ea9m, tr\u1ea1ng th\u00e1i, b\u1ec1 m\u1eb7t, k\u00edch th\u01b0\u1edbc v\u00e0 dung sai, y\u00eau c\u1ea7u sau gia c\u00f4ng, ch\u1ee9ng ch\u1ec9.<br \/>\n&#8211; D\u00f9ng \u0111\u01a1n v\u1ecb SI, th\u1ed1ng nh\u1ea5t mm; tr\u00e1nh \u201cly\u201d, \u201cphi\u201d m\u01a1 h\u1ed3. Vi\u1ebft OD x WT cho \u1ed1ng (\u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i x chi\u1ec1u d\u00e0y).<br \/>\n&#8211; \u01afu ti\u00ean theo th\u1ee9 t\u1ef1: Ti\u00eau chu\u1ea9n \u2192 M\u00e1c (bao g\u1ed3m \u201cL\u201d n\u1ebfu c\u00f3) \u2192 D\u1ea1ng (t\u1ea5m\/plate, \u1ed1ng\/pipe, \u1ed1ng trang tr\u00ed\/tube, thanh\/bar) \u2192 T\u00ecnh tr\u1ea1ng (annealed\/quenched &#038; tempered\/cold worked) \u2192 B\u1ec1 m\u1eb7t\/nh\u00e1m \u2192 K\u00edch th\u01b0\u1edbc + dung sai \u2192 Y\u00eau c\u1ea7u gia c\u00f4ng, x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u2192 Ch\u1ee9ng ch\u1ec9\/ki\u1ec3m tra.<br \/>\n&#8211; S\u1eed d\u1ee5ng k\u00fd hi\u1ec7u chu\u1ea9n qu\u1ed1c t\u1ebf: GD&#038;T theo ISO 1101, nh\u00e1m theo ISO 1302, dung sai t\u1ed5ng qu\u00e1t theo ISO 2768, k\u00fd hi\u1ec7u h\u00e0n theo ISO 2553.<br \/>\n&#8211; Tr\u00e1nh k\u00fd hi\u1ec7u \u0111\u1ecba ph\u01b0\u01a1ng kh\u00f3 hi\u1ec3u (v\u00ed d\u1ee5: \u201c\u1ed1ng phi 34\u201d thay v\u00ec \u201cOD 33.7 mm x 2.6 mm, Sch10S\u201d).<\/p>\n<h2 id=\"toc-1-ghi-cho-tung-dang-san-pham-inox\">Ghi cho t\u1eebng d\u1ea1ng s\u1ea3n ph\u1ea9m Inox<\/h2>\n<h3>T\u1ea5m\/plate\/sheet<\/h3>\n<p>&#8211; Ti\u00eau chu\u1ea9n: ASTM A240 (plate, sheet, strip) + ASTM A480\/A480M (y\u00eau c\u1ea7u chung, dung sai \u0111\u1ed9 d\u00e0y, chi\u1ec1u r\u1ed9ng, \u0111\u1ed9 ph\u1eb3ng).<br \/>\n&#8211; M\u00e1c: 304\/304L, 316\/316L, 201, 430, 904L, 2205 (UNS S32205), ghi k\u00e8m EN s\u1ed1 v\u1eadt li\u1ec7u n\u1ebfu c\u1ea7n (v\u00ed d\u1ee5 304L = EN 1.4307).<br \/>\n&#8211; B\u1ec1 m\u1eb7t c\u00e1n: 2B (ph\u1ed5 bi\u1ebfn), BA (b\u00f3ng \u1ee7), No.1 (c\u00e1n n\u00f3ng\/\u1ee7 t\u1ea9y), No.4 (x\u01b0\u1edbc m\u1ecbn), HL (hairline), No.8 (g\u01b0\u01a1ng).<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc v\u00e0 dung sai: ghi thickness x width x length, dung sai theo ASTM A480 (n\u00eau h\u1ea1ng m\u1ee5c n\u1ebfu quan tr\u1ecdng: thickness tolerance, flatness).<br \/>\n&#8211; H\u01b0\u1edbng c\u00e1n\/v\u00e2n: ch\u1ec9 m\u0169i t\u00ean h\u01b0\u1edbng v\u00e2n HL\/No.4; b\u1eaft bu\u1ed9c n\u1ebfu c\u00f3 u\u1ed1n.<br \/>\n&#8211; Phim b\u1ea3o v\u1ec7: \u201cPVC film 80 \u00b5m, ph\u00f9 h\u1ee3p laser cutting\u201d.<br \/>\nV\u00ed d\u1ee5: \u201cASTM A240, 304L, sheet 3.0 x 1219 x 2438 mm, finish 2B, tolerance per ASTM A480, PVC film one side, grain direction as indicated.\u201d<\/p>\n<h3>\u1ed0ng \u00e1p l\u1ef1c\/c\u00f4ng nghi\u1ec7p (pipe)<\/h3>\n<p>&#8211; Ti\u00eau chu\u1ea9n k\u00edch th\u01b0\u1edbc: ASME B36.19M (\u1ed1ng Inox); lu\u00f4n ghi OD v\u00e0 Schedule ho\u1eb7c WT.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u: ASTM A312\/A312M (TP304L\/TP316L); v\u1edbi \u1ed1ng v\u1ec7 sinh d\u00f9ng ASTM A270 \/ ISO 2037 (y\u00eau c\u1ea7u nh\u00e1m trong).<br \/>\n&#8211; \u0110\u1ea7u \u1ed1ng\/l\u1eafp gh\u00e9p: v\u00e1t m\u00e9p theo ASME B16.25 n\u1ebfu h\u00e0n; y\u00eau c\u1ea7u ch\u1ecdn pickled &#038; passivated cho \u0111\u01b0\u1eddng \u1ed1ng qu\u00e1 tr\u00ecnh.<br \/>\nV\u00ed d\u1ee5: \u201cPipe ASTM A312 TP316L, 33.7 x 2.6 mm (Sch10S), ASME B36.19M, BE, pickled &#038; passivated per ASTM A380\/A967.\u201d<\/p>\n<h3>\u1ed0ng trang tr\u00ed\/c\u01a1 kh\u00ed (tube)<\/h3>\n<p>&#8211; Ti\u00eau chu\u1ea9n: ASTM A554 (welded mechanical tubing); ghi OD x WT (ho\u1eb7c thickness).<br \/>\n&#8211; B\u1ec1 m\u1eb7t: HL, No.4, Mirror #8; ghi nh\u00e1m m\u1ee5c ti\u00eau (Ra) n\u1ebfu y\u00eau c\u1ea7u.<br \/>\nV\u00ed d\u1ee5: \u201cTube ASTM A554, 304, OD 50.8 x 1.5 mm, finish HL, Ra \u2264 0.4 \u00b5m (OD), hairline along length.\u201d<\/p>\n<h3>Thanh tr\u00f2n\/l\u00e1p, thanh d\u1eb9t, h\u00ecnh U\/V<\/h3>\n<p>&#8211; Ti\u00eau chu\u1ea9n: ASTM A276 (bars &#038; shapes), y\u00eau c\u1ea7u chung ASTM A484 (dung sai, \u0111\u1ed9 th\u1eb3ng).<br \/>\nV\u00ed d\u1ee5: \u201cBar ASTM A276, 316L, round dia 20 mm, h9, straightness per ASTM A484.\u201d<\/p>\n<h3>Bulong, \u1ed1c v\u00edt, chi ti\u1ebft ren<\/h3>\n<p>&#8211; Ti\u00eau chu\u1ea9n c\u01a1 t\u00ednh: ISO 3506 (A2-70 = t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304, A4-70 = 316).<br \/>\n&#8211; Ren: ISO 261\/965 (M\u2026) ho\u1eb7c ASME B1.1 (UNC\/UNF). Ghi l\u1edbp ch\u1ed1ng k\u1eb9t: dry lubricant cho 316 n\u1ebfu c\u1ea7n.<br \/>\nV\u00ed d\u1ee5: \u201cBolt ISO 3506-1, A4-70, M12 x 40, ISO 965-1, with MoS2 anti-galling.\u201d<\/p>\n<h2 id=\"toc-2-be-mat-nham-va-xu-ly-sau-gia-cong\">B\u1ec1 m\u1eb7t, nh\u00e1m v\u00e0 x\u1eed l\u00fd sau gia c\u00f4ng<\/h2>\n<h3>K\u00fd hi\u1ec7u b\u1ec1 m\u1eb7t c\u00e1n v\u00e0 ho\u00e0n thi\u1ec7n<\/h3>\n<p>&#8211; 2B\/BA\/No.1\/No.4\/HL\/No.8: ghi r\u00f5 m\u1eb7t \u00e1p d\u1ee5ng (trong\/ngo\u00e0i), h\u01b0\u1edbng v\u00e2n, y\u00eau c\u1ea7u \u0111\u1ed3ng m\u00e0u gi\u1eefa l\u00f4.<br \/>\n&#8211; V\u1edbi m\u00f4i tr\u01b0\u1eddng v\u1ec7 sinh: y\u00eau c\u1ea7u Ra trong l\u00f2ng chi ti\u1ebft \u2264 0.8 \u00b5m (ph\u1ed5 bi\u1ebfn cho th\u1ef1c ph\u1ea9m\/d\u01b0\u1ee3c).<\/p>\n<h3>Nh\u00e1m b\u1ec1 m\u1eb7t theo ISO 1302<\/h3>\n<p>&#8211; Ghi Ra m\u1ee5c ti\u00eau (\u00b5m) v\u00e0 khu v\u1ef1c \u00e1p d\u1ee5ng; v\u00ed d\u1ee5: \u201cRa \u2264 1.6 \u00b5m, unless otherwise noted\u201d. V\u1edbi h\u00e0n m\u1ed1i l\u1eafp, ch\u1ec9 \u0111\u1ecbnh \u201cflush &#038; blend\u201d n\u1ebfu y\u00eau c\u1ea7u ph\u1eb3ng k\u00edn k\u1ebd.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n \u0111\u00e1nh b\u00f3ng: quy \u0111\u1ecbnh c\u1ea5p nh\u00e1m (grit 240\/320\/400\/600) ho\u1eb7c Ra c\u1ee5 th\u1ec3 k\u00e8m ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m.<\/p>\n<h3>T\u1ea9y g\u1ec9, th\u1ee5 \u0111\u1ed9ng h\u00f3a v\u00e0 kh\u1eed nhi\u1ec5m<\/h3>\n<p>&#8211; Y\u00eau c\u1ea7u sau h\u00e0n\/c\u1eaft: pickling &#038; passivation theo ASTM A380\/A967; lo\u1ea1i b\u1ecf v\u1ebft bi\u1ebfn m\u00e0u (heat tint), kh\u00f4ng nhi\u1ec5m s\u1eaft ngo\u1ea1i lai.<br \/>\n&#8211; V\u1ec7 sinh cu\u1ed1i: \u201cfree of oil\/grease\u201d, \u0111\u1eb7c bi\u1ec7t v\u1edbi thi\u1ebft b\u1ecb th\u1ef1c ph\u1ea9m (c\u00f3 th\u1ec3 vi\u1ec7n d\u1eabn 3-A ho\u1eb7c y\u00eau c\u1ea7u n\u1ed9i b\u1ed9 HACCP).<\/p>\n<h2 id=\"toc-3-dung-sai-kich-thuoc-va-hinh-hoc\">Dung sai k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh h\u1ecdc<\/h2>\n<h3>Dung sai t\u1ed5ng qu\u00e1t<\/h3>\n<p>&#8211; \u00c1p d\u1ee5ng ISO 2768-1 (linear\/angular) c\u1ea5p m ho\u1eb7c f; ISO 2768-2 (geometric) c\u1ea5p K. V\u00ed d\u1ee5: \u201cGeneral tolerances: ISO 2768-mK\u201d.<br \/>\n&#8211; T\u1ea5m c\u00e1n ngu\u1ed9i y\u00eau c\u1ea7u \u0111\u1ed9 ph\u1eb3ng theo ASTM A480 (table flatness class). \u1ed0ng theo ASTM A999\/A312 (OD, WT, \u0111\u1ed9 th\u1eb3ng).<\/p>\n<h3>GD&#038;T v\u00e0 \u0111\u1ecbnh chu\u1ea9n<\/h3>\n<p>&#8211; D\u00f9ng ISO 1101 cho \u0111\u1ed9 song song, vu\u00f4ng g\u00f3c, \u0111\u1ed9 ph\u1eb3ng, \u0111\u1ed9 tr\u00f2n\u2026 Thi\u1ebft l\u1eadp datum A\/B\/C r\u00f5 r\u00e0ng \u0111\u1ec3 nh\u00e0 cung c\u1ea5p \u0111o ki\u1ec3m c\u00f9ng tham chi\u1ebfu.<br \/>\n&#8211; Tr\u00e1nh ph\u1ee7 \u00b10.1 mm m\u1ecdi n\u01a1i; d\u00f9ng GD&#038;T \u0111\u1ec3 ph\u1ea3n \u00e1nh \u00fd \u0111\u1ed3 ch\u1ee9c n\u0103ng.<\/p>\n<h2 id=\"toc-4-lua-chon-mac-theo-moi-truong-lam-viec\">L\u1ef1a ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/h2>\n<p>&#8211; 201 (UNS S20100, EN 1.4372): gi\u00e1 t\u1ed1t, ch\u1ecbu \u0103n m\u00f2n k\u00e9m h\u01a1n 304; kh\u00f4ng n\u00ean d\u00f9ng cho h\u00f3a ch\u1ea5t\/clorua.<br \/>\n&#8211; 304\/304L (EN 1.4301\/1.4307): \u0111a d\u1ee5ng; d\u00f9ng 304L cho h\u00e0n d\u00e0y \u0111\u1ec3 ch\u1ed1ng nh\u1ea1y c\u1ea3m h\u00f3a.<br \/>\n&#8211; 316\/316L (EN 1.4401\/1.4404): ch\u1ed1ng clorua t\u1ed1t h\u01a1n; ph\u00f9 h\u1ee3p bi\u1ec3n\/th\u1ef1c ph\u1ea9m, CIP nh\u1eb9.<br \/>\n&#8211; 430 (EN 1.4016): ferritic, t\u1eeb t\u00ednh, ch\u1ed1ng \u0103n m\u00f2n h\u1ea1n ch\u1ebf.<br \/>\n&#8211; 904L (EN 1.4539), Duplex 2205 (EN 1.4462): m\u00f4i tr\u01b0\u1eddng clorua n\u1eb7ng, nhi\u1ec7t \u0111\u1ed9 cao trung b\u00ecnh.<br \/>\nL\u01b0u \u00fd: th\u1eed nam ch\u00e2m kh\u00f4ng x\u00e1c \u0111\u1ecbnh m\u00e1c ch\u00ednh x\u00e1c; y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 MTC 3.1 \u0111\u1ec3 ch\u1eafc ch\u1eafn.<\/p>\n<h2 id=\"toc-5-chung-chi-truy-xuat-nguon-goc-va-nhan-mac\">Ch\u1ee9ng ch\u1ec9, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 nh\u00e3n m\u00e1c<\/h2>\n<p>&#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 EN 10204 3.1 (MTC) n\u00eau r\u00f5 Heat No., th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh, ti\u00eau chu\u1ea9n.<br \/>\n&#8211; Y\u00eau c\u1ea7u d\u1eadp\/kh\u1eafc Heat No. tr\u00ean c\u1ea1nh t\u1ea5m\/\u1ed1ng; duy tr\u00ec truy xu\u1ea5t d\u00e0i theo l\u00f4.<br \/>\n&#8211; Ki\u1ec3m tra nhanh: PMI (Positive Material Identification) b\u1eb1ng XRF cho h\u1ea1ng m\u1ee5c quan tr\u1ecdng.<\/p>\n<h2 id=\"toc-6-yeu-cau-gia-cong-lap-va-kiem-tra\">Y\u00eau c\u1ea7u gia c\u00f4ng, l\u1eafp v\u00e0 ki\u1ec3m tra<\/h2>\n<h3>H\u00e0n<\/h3>\n<p>&#8211; K\u00fd hi\u1ec7u theo ISO 2553; n\u00eau v\u1eadt li\u1ec7u que\/kim lo\u1ea1i \u0111i\u1ec1n \u0111\u1ea7y (v\u00ed d\u1ee5: AWS A5.9 ER308L\/ER316L).<br \/>\n&#8211; Kh\u1ed1ng ch\u1ebf: kh\u00f4ng d\u00f9ng \u0111\u00e1 m\u00e0i th\u00e9p carbon; b\u1ea3o v\u1ec7 kh\u00ed hai m\u1eb7t (back-purge) cho \u1ed1ng qu\u00e1 tr\u00ecnh; y\u00eau c\u1ea7u m\u00e0u m\u1ed1i h\u00e0n \u2264 r\u01a1m s\u00e1ng.<br \/>\n&#8211; Sau h\u00e0n: m\u00e0i ph\u1eb3ng (flush), pickling &#038; passivation, ki\u1ec3m r\u00f2 r\u1ec9 (PT\/PMI\/Hydrotest n\u1ebfu c\u00f3).<\/p>\n<h3>U\u1ed1n v\u00e0 t\u1ea1o h\u00ecnh<\/h3>\n<p>&#8211; Ghi b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u r\/t theo h\u01b0\u1edbng c\u00e1n: \u201cMin inside bend radius \u2265 1.0t across grain, \u2265 1.5t along grain (304 2B tham kh\u1ea3o)\u201d.<br \/>\n&#8211; Ch\u1ec9 h\u01b0\u1edbng v\u00e2n tr\u00ean ph\u00f4i; quy \u0111\u1ecbnh b\u00f9 h\u1ed3i xu\u00e2n n\u1ebfu quan tr\u1ecdng; ghi K-factor n\u1ebfu nh\u00e0 th\u1ea7u c\u1ea7n c\u1eaft ph\u00f4i.<\/p>\n<h3>C\u1eaft v\u00e0 m\u00e9p c\u1eaft<\/h3>\n<p>&#8211; Ph\u01b0\u01a1ng ph\u00e1p: Laser\/Waterjet\/Plasma\/Saw; ch\u1ec9 \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng m\u00e9p v\u00e0 bavia.<br \/>\n&#8211; Ph\u00e2n c\u1ea5p m\u00e9p c\u1eaft nhi\u1ec7t theo ISO 9013 (class 2\/3); ghi b\u00e1n k\u00ednh ph\u00e1 bavia, \u0111\u1ed9 vu\u00f4ng m\u00e9p.<\/p>\n<h2 id=\"toc-7-mau-ghi-chu-vat-lieu-spec-note-co-the-sao-chep\">M\u1eabu ghi ch\u00fa v\u1eadt li\u1ec7u (SPEC NOTE) \u2013 c\u00f3 th\u1ec3 sao ch\u00e9p<\/h2>\n<p>&#8211; Cho chi ti\u1ebft t\u1ea5m:<br \/>\n  &#8211; V\u1eadt li\u1ec7u: ASTM A240, 304L, sheet t = 2.0 mm, finish 2B.<br \/>\n  &#8211; Dung sai: per ASTM A480; General: ISO 2768-mK; GD&#038;T per ISO 1101.<br \/>\n  &#8211; B\u1ec1 m\u1eb7t: Ra \u2264 1.6 \u00b5m (sau gia c\u00f4ng), phim b\u1ea3o v\u1ec7 PVC 80 \u00b5m 1 m\u1eb7t.<br \/>\n  &#8211; H\u01b0\u1edbng c\u00e1n: theo m\u0169i t\u00ean tr\u00ean b\u1ea3n v\u1ebd; c\u1ea1nh nh\u00ecn y\u00eau c\u1ea7u No.4 \u0111\u1ed3ng m\u00e0u.<br \/>\n  &#8211; H\u00e0n (n\u1ebfu c\u00f3): theo ISO 2553, filler ER308L, back-purge khi h\u00e0n k\u00edn.<br \/>\n  &#8211; X\u1eed l\u00fd sau gia c\u00f4ng: pickling &#038; passivation per ASTM A380\/A967; kh\u00f4ng nhi\u1ec5m s\u1eaft.<br \/>\n  &#8211; Ch\u1ee9ng ch\u1ec9: EN 10204 3.1, heat no. traceable.<\/p>\n<p>&#8211; Cho \u1ed1ng c\u00f4ng ngh\u1ec7:<br \/>\n  &#8211; V\u1eadt li\u1ec7u: ASTM A312 TP316L, size 33.7 x 2.6 mm (Sch10S), ASME B36.19M.<br \/>\n  &#8211; \u0110\u1ea7u \u1ed1ng: BE (bquare end) ho\u1eb7c v\u00e1t m\u00e9p ASME B16.25.<br \/>\n  &#8211; B\u00ean trong: pickled &#038; passivated; Ra ID \u2264 0.8 \u00b5m (\u0111o\u1ea1n v\u1ec7 sinh).<br \/>\n  &#8211; Ki\u1ec3m tra: hydrotest theo ASTM A999 (n\u1ebfu y\u00eau c\u1ea7u); PMI ng\u1eabu nhi\u00ean 10%.<br \/>\n  &#8211; Ch\u1ee9ng ch\u1ec9: EN 10204 3.1.<\/p>\n<p>&#8211; Cho \u1ed1ng trang tr\u00ed:<br \/>\n  &#8211; V\u1eadt li\u1ec7u: ASTM A554, 304, OD 50.8 x 1.5 mm, finish HL, hairline d\u1ecdc.<br \/>\n  &#8211; B\u1ec1 m\u1eb7t: Ra OD \u2264 0.4 \u00b5m; \u0111\u1ed3ng m\u00e0u gi\u1eefa c\u00e1c thanh.<br \/>\n  &#8211; Bao g\u00f3i: m\u00e0ng PE + \u1ed1ng gi\u1ea5y, tr\u00e1nh tr\u1ea7y x\u01b0\u1edbc.<\/p>\n<h2 id=\"toc-8-loi-thuong-gap-va-cach-tranh\">L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/h2>\n<p>&#8211; Ghi \u201cInox 304 d\u00e0y 3 ly\u201d nh\u01b0ng kh\u00f4ng n\u00eau ti\u00eau chu\u1ea9n, b\u1ec1 m\u1eb7t, dung sai \u2192 d\u1ec5 nh\u1eadn t\u1ea5m No.1 thay 2B, gia c\u00f4ng kh\u00f3, x\u1ea5u b\u1ec1 m\u1eb7t. Gi\u1ea3i ph\u00e1p: n\u00eau ASTM A240 + finish + dung sai.<br \/>\n&#8211; Ghi \u201c\u1ed1ng phi 34\u201d \u2192 nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 giao OD 34 x 1.2 (tube trang tr\u00ed) thay v\u00ec 33.7 x 2.6 (pipe Sch10S). Gi\u1ea3i ph\u00e1p: lu\u00f4n ghi OD x WT + Schedule + ti\u00eau chu\u1ea9n.<br \/>\n&#8211; Kh\u00f4ng ch\u1ec9 h\u01b0\u1edbng v\u00e2n HL \u2192 khi l\u1eafp gh\u00e9p v\u00e2n kh\u00f4ng \u0111\u1ed3ng h\u01b0\u1edbng, m\u1ea5t th\u1ea9m m\u1ef9. Gi\u1ea3i ph\u00e1p: k\u00fd hi\u1ec7u m\u0169i t\u00ean\/h\u01b0\u1edbng c\u00e1n.<br \/>\n&#8211; Nh\u1ea7m 304 v\u1edbi 201 v\u00ec \u201ckh\u00f4ng h\u00edt nam ch\u00e2m\u201d \u2192 201 c\u00f3 th\u1ec3 \u00edt t\u1eeb t\u00ednh; ch\u1ec9 MTC\/PMI m\u1edbi ch\u1eafc ch\u1eafn. Gi\u1ea3i ph\u00e1p: y\u00eau c\u1ea7u EN 10204 3.1.<br \/>\n&#8211; B\u1ecf qua x\u1eed l\u00fd sau h\u00e0n \u2192 m\u1ed1i h\u00e0n loang m\u00e0u, r\u1ec9 n\u00e2u. Gi\u1ea3i ph\u00e1p: y\u00eau c\u1ea7u pickling &#038; passivation ASTM A380\/A967.<br \/>\n&#8211; D\u00f9ng dung sai qu\u00e1 ch\u1eb7t to\u00e0n b\u1ea3n v\u1ebd \u2192 t\u0103ng gi\u00e1 v\u00e0 t\u1ef7 l\u1ec7 lo\u1ea1i b\u1ecf. Gi\u1ea3i ph\u00e1p: GD&#038;T theo ch\u1ee9c n\u0103ng, ISO 2768-mK l\u00e0m m\u1eb7c \u0111\u1ecbnh.<\/p>\n<h2 id=\"toc-9-bang-doi-chieu-nhanh-mac-inox-tham-khao\">B\u1ea3ng \u0111\u1ed1i chi\u1ebfu nhanh m\u00e1c Inox (tham kh\u1ea3o)<\/h2>\n<p>&#8211; 201: AISI 201 = UNS S20100 = EN 1.4372 = JIS SUS201<br \/>\n&#8211; 304: AISI 304 = UNS S30400 = EN 1.4301 = JIS SUS304<br \/>\n&#8211; 304L: AISI 304L = UNS S30403 = EN 1.4307 = JIS SUS304L<br \/>\n&#8211; 316: AISI 316 = UNS S31600 = EN 1.4401 = JIS SUS316<br \/>\n&#8211; 316L: AISI 316L = UNS S31603 = EN 1.4404 = JIS SUS316L<br \/>\n&#8211; 430: AISI 430 = UNS S43000 = EN 1.4016 = JIS SUS430<br \/>\n&#8211; 2205: UNS S32205\/S31803 = EN 1.4462 = Duplex 2205<br \/>\n&#8211; 904L: UNS N08904 = EN 1.4539 = X1NiCrMoCu25-20-5<\/p>\n<h2 id=\"toc-10-checklist-truoc-khi-gui-ban-ve-cho-nha-cung-cap\">Checklist tr\u01b0\u1edbc khi g\u1eedi b\u1ea3n v\u1ebd cho nh\u00e0 cung c\u1ea5p<\/h2>\n<p>&#8211; [ ] \u0110\u00e3 ghi ti\u00eau chu\u1ea9n v\u00e0 m\u00e1c (ASTM\/JIS\/EN + UNS\/EN no.)<br \/>\n&#8211; [ ] D\u1ea1ng s\u1ea3n ph\u1ea9m \u0111\u00fang (sheet\/plate\/pipe\/tube\/bar) + tr\u1ea1ng th\u00e1i (L\/annealed\/tempered)<br \/>\n&#8211; [ ] K\u00edch th\u01b0\u1edbc chu\u1ea9n + dung sai (ISO 2768\/GD&T; ASTM A480\/A999)<br \/>\n&#8211; [ ] B\u1ec1 m\u1eb7t\/nh\u00e1m\/h\u01b0\u1edbng v\u00e2n + phim b\u1ea3o v\u1ec7<br \/>\n&#8211; [ ] Y\u00eau c\u1ea7u h\u00e0n, u\u1ed1n, c\u1eaft v\u00e0 x\u1eed l\u00fd sau gia c\u00f4ng (ASTM A380\/A967)<br \/>\n&#8211; [ ] Ch\u1ee9ng ch\u1ec9 EN 10204 3.1 + truy xu\u1ea5t Heat No. + PMI (n\u1ebfu c\u1ea7n)<br \/>\n&#8211; [ ] Quy \u0111\u1ecbnh \u0111\u00f3ng g\u00f3i, b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t, k\u00fd m\u00e3 hi\u1ec7u<br \/>\n&#8211; [ ] \u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c \u0111\u1ec3 x\u00e1c nh\u1eadn m\u00e1c ph\u00f9 h\u1ee3p<\/p>\n<h2 id=\"toc-11-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A240; ASTM A480\/A480M \u2013 Flat-rolled stainless steel general requirements (ASTM International)<br \/>\n&#8211; ASTM A312\/A312M; ASME B36.19M \u2013 Stainless steel pipe and dimensions (ASME)<br \/>\n&#8211; ASTM A554 \u2013 Welded stainless steel mechanical tubing (ASTM)<br \/>\n&#8211; ASTM A270; ISO 2037 \u2013 \u1ed0ng inox v\u1ec7 sinh (hygienic\/sanitary tubing)<br \/>\n&#8211; ASTM A276; ASTM A484 \u2013 Bars &#038; general requirements (ASTM)<br \/>\n&#8211; ISO 3506 \u2013 Fasteners of stainless steel; ISO 1302 \u2013 Surface texture; ISO 1101 \u2013 GD&T; ISO 2768 \u2013 General tolerances; ISO 2553 \u2013 Weld symbols; ISO 9013 \u2013 Thermal cutting<br \/>\n&#8211; ASTM A380; ASTM A967 \u2013 Cleaning, descaling, and passivation (ASTM)<br \/>\n&#8211; EN 10204 \u2013 Types of inspection documents (CEN)<br \/>\n&#8211; Euro Inox, Outokumpu datasheets \u2013 H\u01b0\u1edbng d\u1eabn b\u1ec1 m\u1eb7t v\u00e0 ch\u1ecdn m\u00e1c<\/p>\n<h2 id=\"toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>Ghi \u0111\u00fang th\u00f4ng s\u1ed1 Inox tr\u00ean b\u1ea3n v\u1ebd kh\u00f4ng ch\u1ec9 l\u00e0 \u201c304 d\u00e0y 3 mm\u201d, m\u00e0 l\u00e0 m\u1ed9t g\u00f3i th\u00f4ng tin chu\u1ea9n h\u00f3a: ti\u00eau chu\u1ea9n + m\u00e1c + d\u1ea1ng + b\u1ec1 m\u1eb7t + dung sai + y\u00eau c\u1ea7u gia c\u00f4ng\/x\u1eed l\u00fd + ch\u1ee9ng ch\u1ec9. \u00c1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n ASTM\/JIS\/EN, k\u00fd hi\u1ec7u ISO v\u00e0 c\u00e1c m\u1eabu ghi ch\u00fa trong b\u00e0i, b\u1ea1n s\u1ebd truy\u1ec1n \u0111\u1ea1t ch\u00ednh x\u00e1c \u00fd \u0111\u1ed3 thi\u1ebft k\u1ebf, gi\u1ea3m sai h\u1ecfng, chu\u1ea9n h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed mua s\u1eafm.<\/p>\n<p>C\u1ea7n r\u00e0 so\u00e1t b\u1ea3n v\u1ebd hi\u1ec7n c\u00f3 ho\u1eb7c x\u00e2y d\u1ef1ng th\u01b0 vi\u1ec7n SPEC theo ng\u00e0nh c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t. 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 c\u00e1ch ghi m\u00e1c, ti\u00eau chu\u1ea9n, b\u1ec1 m\u1eb7t, dung sai, \u1ed1ng Sch, x\u1eed l\u00fd sau gia c\u00f4ng v\u00e0 ch\u1ee9ng ch\u1ec9 MTC cho Inox tr\u00ean b\u1ea3n v\u1ebd, tr\u00e1nh nh\u1ea7m l\u1eabn \u0111\u1eb7t h\u00e0ng.<\/p>\n","protected":false},"author":7,"featured_media":1070,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1937","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\/1937","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=1937"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1937\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1070"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}