{"id":1492,"date":"2025-12-30T00:34:11","date_gmt":"2025-12-29T17:34:11","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/cach-ghi-thong-so-ky-thuat-inox-tren-ban-ve-de-nha-cung-cap-hieu\/"},"modified":"2025-12-30T00:34:11","modified_gmt":"2025-12-29T17:34:11","slug":"cach-ghi-thong-so-ky-thuat-inox-tren-ban-ve-de-nha-cung-cap-hieu","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/cach-ghi-thong-so-ky-thuat-inox-tren-ban-ve-de-nha-cung-cap-hieu\/","title":{"rendered":"C\u00e1ch ghi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Inox tr\u00ean b\u1ea3n v\u1ebd \u0111\u1ec3 nh\u00e0 cung c\u1ea5p hi\u1ec3u"},"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-1-dong-vat-lieu-6-thuoc-tinh-bat-b\">Nguy\u00ean t\u1eafc v\u00e0ng: 1 d\u00f2ng v\u1eadt li\u1ec7u + 6 thu\u1ed9c t\u00ednh b\u1eaft bu\u1ed9c<\/a><\/li>\n<li><a href=\"#toc-1-quy-uoc-theo-tung-dang-san-pham\">Quy \u01b0\u1edbc theo t\u1eebng d\u1ea1ng s\u1ea3n ph\u1ea9m<\/a><\/li>\n<li><a href=\"#toc-2-ghi-be-mat-nham-va-huong-xuoc-dung-chuan\">Ghi b\u1ec1 m\u1eb7t, nh\u00e1m v\u00e0 h\u01b0\u1edbng x\u01b0\u1edbc \u0111\u00fang chu\u1ea9n<\/a><\/li>\n<li><a href=\"#toc-3-dung-sai-kich-thuoc-do-phang-va-gdt\">Dung sai k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 ph\u1eb3ng v\u00e0 GD&#038;T<\/a><\/li>\n<li><a href=\"#toc-4-yeu-cau-han-lam-sach-va-chong-an-mon\">Y\u00eau c\u1ea7u h\u00e0n, l\u00e0m s\u1ea1ch v\u00e0 ch\u1ed1ng \u0103n m\u00f2n<\/a><\/li>\n<li><a href=\"#toc-5-vi-du-callout-day-du-theo-ung-dung\">V\u00ed d\u1ee5 callout \u0111\u1ea7y \u0111\u1ee7 theo \u1ee9ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-6-checklist-truoc-khi-phat-hanh-ban-ve\">Checklist tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh b\u1ea3n v\u1ebd<\/a><\/li>\n<li><a href=\"#toc-7-nhung-loi-pho-bien-va-cach-tranh\">Nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-8-luu-y-theo-thuc-te-thi-truong-viet-nam\">L\u01b0u \u00fd theo th\u1ef1c t\u1ebf th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-9-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong mua s\u1eafm c\u00f4ng nghi\u1ec7p, b\u1ea3n v\u1ebd l\u00e0 \u201ch\u1ee3p \u0111\u1ed3ng k\u1ef9 thu\u1eadt\u201d gi\u1eefa thi\u1ebft k\u1ebf v\u00e0 nh\u00e0 cung c\u1ea5p. V\u1edbi Inox, ch\u1ec9 m\u1ed9t c\u1ee5m t\u1eeb m\u01a1 h\u1ed3 nh\u01b0 \u201cInox 304 d\u00e0y 3ly\u201d c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn sai m\u00e1c th\u00e9p, sai b\u1ec1 m\u1eb7t, sai dung sai, \u1ea3nh h\u01b0\u1edfng chi ph\u00ed v\u00e0 hi\u1ec7u n\u0103ng. B\u00e0i vi\u1ebft n\u00e0y h\u01b0\u1edbng d\u1eabn c\u00e1ch ghi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Inox tr\u00ean b\u1ea3n v\u1ebd sao cho r\u00f5 r\u00e0ng, tu\u00e2n chu\u1ea9n v\u00e0 s\u00e1t th\u1ef1c t\u1ebf th\u1ecb tr\u01b0\u1eddng, \u0111\u1ec3 nh\u00e0 cung c\u1ea5p hi\u1ec3u \u0111\u00fang \u00fd \u0111\u1ed3 thi\u1ebft k\u1ebf ngay t\u1eeb l\u1ea7n \u0111\u1ea7u.<\/p>\n<h2 id=\"toc-0-nguyen-tac-vang-1-dong-vat-lieu-6-thuoc-tinh-bat-b\">Nguy\u00ean t\u1eafc v\u00e0ng: 1 d\u00f2ng v\u1eadt li\u1ec7u + 6 thu\u1ed9c t\u00ednh b\u1eaft bu\u1ed9c<\/h2>\n<p>Khi g\u1ecdi v\u1eadt li\u1ec7u Inox trong b\u1ea3n v\u1ebd, h\u00e3y th\u1ec3 hi\u1ec7n tr\u1ecdn v\u1eb9n trong m\u1ed9t d\u00f2ng \u201ccallout\u201d v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c thu\u1ed9c t\u00ednh sau:<br \/>\n&#8211; M\u00e1c th\u00e9p v\u00e0 h\u1ec7 quy chi\u1ebfu: v\u00ed d\u1ee5 AISI 304L (EN 1.4307), 316L (EN 1.4404), 201 (EN 1.4372), 430 (EN 1.4016).<br \/>\n&#8211; D\u1ea1ng s\u1ea3n ph\u1ea9m k\u00e8m ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng:<br \/>\n  &#8211; T\u1ea5m\/l\u00e1\/cu\u1ed9n: ASTM A240 k\u00e8m y\u00eau c\u1ea7u chung ASTM A480 (ho\u1eb7c EN 10088-2).<br \/>\n  &#8211; \u1ed0ng \u00e1p l\u1ef1c: ASTM A312, k\u00edch th\u01b0\u1edbc theo ASME B36.19M.<br \/>\n  &#8211; \u1ed0ng c\u01a1 kh\u00ed\/trang tr\u00ed: ASTM A554.<br \/>\n  &#8211; \u1ed0ng vi sinh\/hygienic: ASTM A270 (v\u00e0\/ho\u1eb7c ASME BPE).<br \/>\n  &#8211; Thanh, la, h\u00ecnh: ASTM A276, y\u00eau c\u1ea7u chung ASTM A484.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc danh ngh\u0129a v\u00e0 dung sai: \u0111\u1ed9 d\u00e0y, OD\/WT, chi\u1ec1u r\u1ed9ng\/d\u00e0i, chi\u1ec1u th\u1eb3ng, \u0111\u1ed9 ph\u1eb3ng; d\u1eabn chi\u1ebfu b\u1ea3ng dung sai c\u1ee7a ti\u00eau chu\u1ea9n.<br \/>\n&#8211; B\u1ec1 m\u1eb7t\/ho\u00e0n thi\u1ec7n: No.1, 2B, BA, No.4\/HL, Mirror 8K; c\u00f3\/kh\u00f4ng film PE; h\u01b0\u1edbng x\u01b0\u1edbc.<br \/>\n&#8211; T\u00ecnh tr\u1ea1ng luy\u1ec7n kim: \u1ee7 m\u1ec1m (annealed), pickled; y\u00eau c\u1ea7u t\u1ea9y g\u1ec9\/th\u1ee5 \u0111\u1ed9ng h\u00f3a sau gia c\u00f4ng (ASTM A380\/A967) n\u1ebfu c\u1ea7n.<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9 v\u00e0 ki\u1ec3m tra: ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u EN 10204 3.1; y\u00eau c\u1ea7u PMI, ki\u1ec3m tra \u0111\u1ed9 nh\u00e1m, Ra, \u0111\u1ed9 ph\u1eb3ng, test \u00e1p l\u1ef1c (n\u1ebfu c\u00f3).<\/p>\n<p>Ghi \u0111\u1ee7 6 y\u1ebfu t\u1ed1 n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf h\u1ea7u h\u1ebft nh\u1ea7m l\u1eabn th\u01b0\u1eddng g\u1eb7p khi \u0111\u1eb7t h\u00e0ng Inox.<\/p>\n<h2 id=\"toc-1-quy-uoc-theo-tung-dang-san-pham\">Quy \u01b0\u1edbc theo t\u1eebng d\u1ea1ng s\u1ea3n ph\u1ea9m<\/h2>\n<h3>T\u1ea5m\/l\u00e1\/cu\u1ed9n (ASTM A240 + ASTM A480 ho\u1eb7c EN 10088-2)<\/h3>\n<p>Nh\u1eefng g\u00ec c\u1ea7n ghi:<br \/>\n&#8211; M\u00e1c: AISI\/EN (v\u00ed d\u1ee5: 304L\/1.4307; 316L\/1.4404; 430\/1.4016).<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y T v\u00e0 dung sai theo ASTM A480; ghi l\u1edbp c\u00e1n: c\u00e1n ngu\u1ed9i (CR) hay c\u00e1n n\u00f3ng (HR).<br \/>\n&#8211; Kh\u1ed5 t\u1ea5m\/cu\u1ed9n, m\u00e9p t\u1ea5m: ME (mill edge) ho\u1eb7c SE (slit edge).<br \/>\n&#8211; B\u1ec1 m\u1eb7t: No.1 (HR pickled), 2B (CR), BA (bright annealed), No.4\/HL (x\u01b0\u1edbc), Mirror 8K; film PE m\u1ed9t m\u1eb7t\/hai m\u1eb7t, \u0111\u1ed9 d\u00e0y film.<br \/>\n&#8211; \u0110\u1ed9 ph\u1eb3ng theo ASTM A480 (Class A\/B) n\u1ebfu quan tr\u1ecdng; h\u01b0\u1edbng x\u01b0\u1edbc \u0111\u1ed1i v\u1edbi HL\/No.4.<br \/>\n&#8211; Ghi ch\u00fa gia c\u00f4ng: b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u, h\u01b0\u1edbng s\u1edb c\u00e1n khi u\u1ed1n, Ra y\u00eau c\u1ea7u sau gia c\u00f4ng.<\/p>\n<p>V\u00ed d\u1ee5 callout \u0111i\u1ec3n h\u00ecnh (sao ch\u00e9p d\u00f9ng ngay):<br \/>\n&#8211; V\u1eadt li\u1ec7u: Inox AISI 304L (EN 1.4307), ASTM A240; y\u00eau c\u1ea7u chung ASTM A480.<br \/>\n&#8211; D\u1ea1ng: T\u1ea5m c\u00e1n ngu\u1ed9i; T = 3,0 mm; dung sai theo ASTM A480 (CR, Thickness Tolerance Table).<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc: 1.500 x 3.000 mm; m\u00e9p SE; \u0111\u1ed9 ph\u1eb3ng Class B.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: 2B + film PE 80 \u00b5m m\u1ed9t m\u1eb7t; h\u01b0\u1edbng s\u1edb theo chi\u1ec1u d\u00e0i t\u1ea5m.<br \/>\n&#8211; T\u00ecnh tr\u1ea1ng: Annealed &#038; pickled; sau h\u00e0n\/t\u1ea9y g\u1ec9 v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM A380\/A967.<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9: EN 10204 3.1; PMI tr\u01b0\u1edbc giao h\u00e0ng.<\/p>\n<p>L\u01b0u \u00fd th\u1ef1c t\u1ebf th\u1ecb tr\u01b0\u1eddng:<br \/>\n&#8211; Sheet theo ASTM: t\u1ea5m (plate) > 4,76 mm; l\u00e1\/t\u1ea5m m\u1ecfng (sheet) \u2264 4,76 mm. Ghi \u0111\u00fang \u0111\u1ec3 \u00e1p dung sai ph\u00f9 h\u1ee3p.<br \/>\n&#8211; HL\/No.4 d\u1ec5 tr\u1ea7y; lu\u00f4n y\u00eau c\u1ea7u film PE v\u00e0 h\u01b0\u1edbng x\u01b0\u1edbc \u0111\u1ec3 nh\u00e0 gia c\u00f4ng u\u1ed1n \u0111\u00fang chi\u1ec1u.<br \/>\n&#8211; Dung sai \u0111\u1ed9 d\u00e0y cu\u1ed9n\/CR th\u01b0\u1eddng ch\u1eb7t h\u01a1n HR; khi y\u00eau c\u1ea7u c\u1eaft laser ch\u00ednh x\u00e1c, n\u00ean n\u00eau \u201cCR, tight thickness tolerance per ASTM A480\u201d.<\/p>\n<h3>\u1ed0ng trang tr\u00ed\/c\u01a1 kh\u00ed (ASTM A554)<\/h3>\n<p>Nh\u1eefng g\u00ec c\u1ea7n ghi:<br \/>\n&#8211; M\u00e1c: 201\/304\/316 (n\u00ean \u01b0u ti\u00ean 304\/316 cho ngo\u00e0i tr\u1eddi).<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc: OD x t (v\u00ed d\u1ee5 38,1 x 1,2 mm), chi\u1ec1u d\u00e0i thanh.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: 180#\/240#\/320#\/400#, HL d\u1ecdc \u1ed1ng, Mirror 8K; y\u00eau c\u1ea7u m\u00e0i ph\u1eb3ng m\u1ed1i h\u00e0n (weld seam ground flush) n\u1ebfu c\u1ea7n.<br \/>\n&#8211; Dung sai: theo ASTM A554 (OD, \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 oval).<br \/>\n&#8211; Quy \u0111\u1ecbnh m\u1ed1i h\u00e0n: h\u00e0n TIG, bead removed\/kh\u00f4ng; b\u1ecbt \u0111\u1ea7u nh\u1ef1a khi giao.<br \/>\n&#8211; N\u1ebfu d\u00f9ng cho k\u1ebft c\u1ea5u nh\u1eb9 ngo\u00e0i tr\u1eddi, c\u00e2n nh\u1eafc y\u00eau c\u1ea7u pickling\/passivation.<\/p>\n<p>V\u00ed d\u1ee5 callout:<br \/>\n&#8211; \u1ed0ng c\u01a1 kh\u00ed Inox: ASTM A554 \u2013 AISI 304; OD 38,1 x t1,2 mm x L=6.000 mm.<br \/>\n&#8211; B\u1ec1 m\u1eb7t HL 240# d\u1ecdc \u1ed1ng; m\u1ed1i h\u00e0n TIG, bead removed; \u0111\u1ea7u b\u1ecbt nh\u1ef1a.<br \/>\n&#8211; Dung sai theo ASTM A554; ch\u1ee9ng ch\u1ec9 EN 10204 3.1.<\/p>\n<h3>\u1ed0ng c\u00f4ng nghi\u1ec7p\/\u00e1p l\u1ef1c (ASTM A312 + ASME B36.19M)<\/h3>\n<p>Nh\u1eefng g\u00ec c\u1ea7n ghi:<br \/>\n&#8211; M\u00e1c: TP304L\/TP316L.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc: NPS\/DN + Schedule (SCH10S\/40S\u2026), chi\u1ec1u d\u00e0i th\u01b0\u01a1ng ph\u1ea9m (th\u01b0\u1eddng 6 m).<br \/>\n&#8211; Chu\u1ea9n k\u00edch th\u01b0\u1edbc: ASME B36.19M; dung sai v\u00e0 ki\u1ec3m tra theo ASTM A312.<br \/>\n&#8211; X\u1eed l\u00fd b\u1ec1 m\u1eb7t: pickled &#038; passivated; y\u00eau c\u1ea7u th\u1eed PMI, hydrotest (n\u1ebfu c\u1ea7n).<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng b\u1ed9 (n\u1ebfu c\u00f3): ASTM A403 (elbow, tee, reducer).<\/p>\n<p>V\u00ed d\u1ee5 callout:<br \/>\n&#8211; \u1ed0ng Inox \u00e1p l\u1ef1c: ASTM A312 TP316L, NPS 2&#8243; (DN50) SCH10S, L=6 m; k\u00edch th\u01b0\u1edbc theo ASME B36.19M.<br \/>\n&#8211; Pickled &#038; passivated; PMI 100%; ch\u1ee9ng ch\u1ec9 EN 10204 3.1.<\/p>\n<p>C\u1ea3nh b\u00e1o ph\u1ed5 bi\u1ebfn: Kh\u00f4ng d\u00f9ng \u1ed1ng ASTM A554 cho m\u00f4i tr\u01b0\u1eddng \u00e1p l\u1ef1c.<\/p>\n<h3>\u1ed0ng vi sinh\/hygienic (ASTM A270, c\u00f3 th\u1ec3 tham chi\u1ebfu ASME BPE)<\/h3>\n<p>Nh\u1eefng g\u00ec c\u1ea7n ghi:<br \/>\n&#8211; M\u00e1c: 304L\/316L.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc: OD x t (inch ho\u1eb7c mm), chi\u1ec1u d\u00e0i.<br \/>\n&#8211; \u0110\u1ed9 nh\u00e1m: ID Ra \u2264 0,8 \u00b5m (ho\u1eb7c 0,5 \u00b5m), bead-rolled; ngo\u00e0i BA\/320#.<br \/>\n&#8211; L\u00e0m s\u1ea1ch, \u0111\u00f3ng g\u00f3i s\u1ea1ch; n\u1eafp b\u1ecbt hai \u0111\u1ea7u; passivation.<\/p>\n<p>V\u00ed d\u1ee5 callout:<br \/>\n&#8211; \u1ed0ng vi sinh: ASTM A270 316L, OD 1,5&#8243; x t1,65 mm; ID Ra \u2264 0,8 \u00b5m, bead-rolled; OD BA.<br \/>\n&#8211; Passivated; \u0111\u00f3ng g\u00f3i s\u1ea1ch; ch\u1ee9ng ch\u1ec9 3.1; PMI.<\/p>\n<h3>Thanh tr\u00f2n\/d\u1eb9t\/h\u00ecnh (ASTM A276 + ASTM A484)<\/h3>\n<p>Nh\u1eefng g\u00ec c\u1ea7n ghi:<br \/>\n&#8211; M\u00e1c: 304\/304L\/316L\/430.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc v\u00e0 dung sai: v\u00ed d\u1ee5 \u00d820 h11 (n\u1ebfu c\u1ea7n h\u1ec7 ISO 286) ho\u1eb7c dung sai theo ASTM A484.<br \/>\n&#8211; T\u00ecnh tr\u1ea1ng: annealed; bavia\/bo c\u1ea1nh theo ISO 13715 n\u1ebfu y\u00eau c\u1ea7u.<br \/>\nV\u00ed d\u1ee5 callout:<br \/>\n&#8211; Thanh tr\u00f2n Inox: ASTM A276\/A484 \u2013 AISI 304, \u00d820 h11, annealed; bavia \u2264 0,2 mm theo ISO 13715; 3.1 cert.<\/p>\n<h3>Bulong\/\u1ed1c v\u00edt v\u00e0 chi ti\u1ebft ren (ISO 3506)<\/h3>\n<p>&#8211; Quy \u0111\u1ed5i m\u00e1c: A2 \u2248 304, A4 \u2248 316; c\u1ea5p c\u01a1 t\u00ednh A2-70\/A4-70.<br \/>\n&#8211; Ren theo ISO metric (M10x1,5 \u2013 l\u1edbp dung sai 6g\/6H).<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n: th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM A967; kh\u00f4ng m\u1ea1 k\u1ebdm th\u00f4ng th\u01b0\u1eddng.<br \/>\nV\u00ed d\u1ee5 callout:<br \/>\n&#8211; Bulong l\u1ee5c gi\u00e1c ISO 4017 \u2013 ISO 3506-1 A4-70, M10x1,5&#215;40; \u0111ai \u1ed1c ISO 4032 A4; th\u1ee5 \u0111\u1ed9ng h\u00f3a ASTM A967.<\/p>\n<h2 id=\"toc-2-ghi-be-mat-nham-va-huong-xuoc-dung-chuan\">Ghi b\u1ec1 m\u1eb7t, nh\u00e1m v\u00e0 h\u01b0\u1edbng x\u01b0\u1edbc \u0111\u00fang chu\u1ea9n<\/h2>\n<p>&#8211; K\u00fd hi\u1ec7u b\u1ec1 m\u1eb7t t\u1ea5m theo ASTM A480\/EN 10088-2: No.1, 2B, BA, No.4, HL, 8K.<br \/>\n&#8211; Nh\u00e1m b\u1ec1 m\u1eb7t gia c\u00f4ng: k\u00fd hi\u1ec7u theo ISO 1302; ghi gi\u00e1 tr\u1ecb Ra v\u00e0 v\u1ecb tr\u00ed \u0111o, v\u00ed d\u1ee5 \u201cRa \u2264 1,6 \u00b5m sau gia c\u00f4ng, \u0111o theo ISO 4287\/4288\u201d.<br \/>\n&#8211; H\u01b0\u1edbng x\u01b0\u1edbc HL\/No.4: d\u00f9ng m\u0169i t\u00ean ch\u1ec9 h\u01b0\u1edbng x\u01b0\u1edbc; n\u00eau \u201ch\u01b0\u1edbng x\u01b0\u1edbc tr\u00f9ng chi\u1ec1u d\u00e0i chi ti\u1ebft\u201d.<\/p>\n<h2 id=\"toc-3-dung-sai-kich-thuoc-do-phang-va-gdt\">Dung sai k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 ph\u1eb3ng v\u00e0 GD&#038;T<\/h2>\n<p>&#8211; T\u1ea5m\/l\u00e1: d\u1eabn chi\u1ebfu dung sai \u0111\u1ed9 d\u00e0y\/\u0111\u1ed9 r\u1ed9ng\/\u0111\u1ed9 ph\u1eb3ng theo ASTM A480 (n\u00eau Class n\u1ebfu y\u00eau c\u1ea7u ph\u1eb3ng cao).<br \/>\n&#8211; \u1ed0ng A554: n\u00eau \u201ctolerances per ASTM A554\u201d (OD, WT, ovality).<br \/>\n&#8211; \u1ed0ng A312: m\u1eb7c \u0111\u1ecbnh WT -12,5% theo ASTM A312, c\u00f3 th\u1ec3 si\u1ebft ch\u1eb7t b\u1eb1ng th\u1ecfa thu\u1eadn.<br \/>\n&#8211; Dung sai chung chi ti\u1ebft gia c\u00f4ng: ISO 2768-mK (ho\u1eb7c fH) n\u1ebfu kh\u00f4ng c\u00f3 quy \u0111\u1ecbnh ri\u00eang.<br \/>\n&#8211; H\u00ecnh h\u1ecdc GD&#038;T: d\u00f9ng ISO 1101; v\u00ed d\u1ee5 \u0111\u1ed9 song song, \u0111\u1ed9 ph\u1eb3ng b\u1ec1 m\u1eb7t l\u1eafp gh\u00e9p.<\/p>\n<p>V\u00ed d\u1ee5 ghi ch\u00fa chung tr\u00ean b\u1ea3n v\u1ebd:<br \/>\n&#8211; N\u1ebfu kh\u00f4ng ch\u1ec9 d\u1eabn kh\u00e1c, dung sai k\u00edch th\u01b0\u1edbc theo ISO 2768-mK; nh\u00e1m b\u1ec1 m\u1eb7t theo ISO 1302; v\u1eadt li\u1ec7u Inox theo c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e3 li\u1ec7t k\u00ea.<\/p>\n<h2 id=\"toc-4-yeu-cau-han-lam-sach-va-chong-an-mon\">Y\u00eau c\u1ea7u h\u00e0n, l\u00e0m s\u1ea1ch v\u00e0 ch\u1ed1ng \u0103n m\u00f2n<\/h2>\n<p>&#8211; M\u00e1c L khi h\u00e0n: \u01b0u ti\u00ean 304L\/316L \u0111\u1ec3 gi\u1ea3m k\u1ebft t\u1ee7a cacbit.<br \/>\n&#8211; V\u1eadt li\u1ec7u h\u00e0n: ER308L cho 304(L), ER316L cho 316L.<br \/>\n&#8211; Quy tr\u00ecnh h\u00e0n: d\u00f9ng kh\u00ed b\u1ea3o v\u1ec7 s\u1ea1ch; tr\u00e1nh nhi\u1ec5m b\u1ea9n Fe; kh\u00f4ng d\u00f9ng b\u00e0n ch\u1ea3i th\u00e9p carbon.<br \/>\n&#8211; Sau h\u00e0n: t\u1ea9y g\u1ec9 v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM A380\/A967; ki\u1ec3m tra \u0111\u1ed5i m\u00e0u nhi\u1ec7t.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng clorua: ngo\u00e0i tr\u1eddi ven bi\u1ec3n ho\u1eb7c Cl- > 200 ppm n\u00ean ch\u1ecdn 316L; b\u1ec1 m\u1eb7t \u0111\u00e1nh b\u00f3ng cao gi\u1ea3m b\u00e1m b\u1ea9n nh\u01b0ng kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c ch\u1ecdn m\u00e1c \u0111\u00fang.<\/p>\n<h2 id=\"toc-5-vi-du-callout-day-du-theo-ung-dung\">V\u00ed d\u1ee5 callout \u0111\u1ea7y \u0111\u1ee7 theo \u1ee9ng d\u1ee5ng<\/h2>\n<p>&#8211; V\u1ecf m\u00e1y trong nh\u00e0, u\u1ed1n g\u1ea5p:<br \/>\n  V\u1eadt li\u1ec7u: Inox AISI 304 (EN 1.4301), ASTM A240\/A480; t\u1ea5m CR T=2,0 mm, 1500&#215;3000 mm, m\u00e9p SE; b\u1ec1 m\u1eb7t 2B + film PE 80 \u00b5m 1 m\u1eb7t; annealed; b\u00e1n k\u00ednh u\u1ed1n trong \u2265 1,0T theo chi\u1ec1u s\u1edb c\u00e1n; ch\u1ee9ng ch\u1ec9 3.1.<br \/>\n&#8211; Lan can ngo\u00e0i tr\u1eddi:<br \/>\n  \u1ed0ng c\u01a1 kh\u00ed: ASTM A554 \u2013 AISI 316L, OD 50,8 x t1,5 mm x 6.000 mm; HL 320# d\u1ecdc \u1ed1ng; m\u1ed1i h\u00e0n TIG, bead removed; pickled &#038; passivated; n\u1eafp b\u1ecbt; dung sai theo ASTM A554; 3.1.<br \/>\n&#8211; \u0110\u01b0\u1eddng \u1ed1ng CIP nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m:<br \/>\n  \u1ed0ng vi sinh: ASTM A270 304L, OD 2&#8243; x t1,65 mm; ID Ra \u2264 0,8 \u00b5m, bead-rolled; OD BA; passivated; \u0111\u00f3ng g\u00f3i s\u1ea1ch; ph\u1ee5 ki\u1ec7n ASTM A403 304L long radius; ch\u1ee9ng ch\u1ec9 3.1; PMI 100%.<\/p>\n<h2 id=\"toc-6-checklist-truoc-khi-phat-hanh-ban-ve\">Checklist tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh b\u1ea3n v\u1ebd<\/h2>\n<p>&#8211; \u0110\u00e3 ghi m\u00e1c + h\u1ec7 quy chi\u1ebfu k\u00e9p: AISI v\u00e0 EN.<br \/>\n&#8211; \u0110\u00e3 n\u00eau ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m \u0111\u00fang (A240\/A312\/A554\/A270\/A276\u2026).<br \/>\n&#8211; \u0110\u00e3 ch\u1ec9 r\u00f5 k\u00edch th\u01b0\u1edbc danh ngh\u0129a v\u00e0 dung sai tham chi\u1ebfu ti\u00eau chu\u1ea9n.<br \/>\n&#8211; \u0110\u00e3 ch\u1ecdn v\u00e0 ghi b\u1ec1 m\u1eb7t\/film PE\/h\u01b0\u1edbng x\u01b0\u1edbc.<br \/>\n&#8211; \u0110\u00e3 ch\u1ec9 \u0111\u1ecbnh y\u00eau c\u1ea7u h\u00e0n, t\u1ea9y g\u1ec9, th\u1ee5 \u0111\u1ed9ng h\u00f3a n\u1ebfu li\u00ean quan.<br \/>\n&#8211; \u0110\u00e3 y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 EN 10204 3.1 v\u00e0\/ho\u1eb7c PMI khi c\u1ea7n.<br \/>\n&#8211; \u0110\u00e3 ph\u00e2n bi\u1ec7t \u0111\u00fang \u1ed1ng trang tr\u00ed vs \u1ed1ng \u00e1p l\u1ef1c; OD x t vs NPS\/Schedule.<br \/>\n&#8211; \u0110\u00e3 c\u00e2n nh\u1eafc m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n \u0111\u1ec3 ch\u1ecdn m\u00e1c 304L\/316L ph\u00f9 h\u1ee3p.<\/p>\n<h2 id=\"toc-7-nhung-loi-pho-bien-va-cach-tranh\">Nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch tr\u00e1nh<\/h2>\n<p>&#8211; Ch\u1ec9 ghi \u201cInox 304 d\u00e0y 3ly\u201d: thi\u1ebfu ti\u00eau chu\u1ea9n, b\u1ec1 m\u1eb7t, dung sai. C\u00e1ch tr\u00e1nh: th\u00eam ASTM A240\/A480, b\u1ec1 m\u1eb7t, film, dung sai.<br \/>\n&#8211; Ghi \u201c\u1ed1ng 2 inch\u201d nh\u01b0ng th\u1ef1c t\u1ebf c\u1ea7n NPS 2&#8243; SCH10S: lu\u00f4n th\u00eam Schedule v\u00e0 ASME B36.19M.<br \/>\n&#8211; D\u00f9ng A554 cho \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c: sai ti\u00eau chu\u1ea9n; c\u1ea7n A312.<br \/>\n&#8211; Kh\u00f4ng ghi h\u01b0\u1edbng x\u01b0\u1edbc HL: d\u1eabn t\u1edbi l\u1eafp r\u00e1p l\u1ec7ch m\u00e0u\/hoa v\u0103n.<br \/>\n&#8211; Y\u00eau c\u1ea7u \u201ckh\u00f4ng nhi\u1ec5m t\u1eeb\u201d: 304 c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9 sau c\u00e1n\/\u0111\u1ecbnh h\u00ecnh; n\u1ebfu c\u1ea7n ki\u1ec3m so\u00e1t \u0111\u1ed9 t\u1eeb th\u1ea9m, ph\u1ea3i ghi \u00b5r y\u00eau c\u1ea7u v\u00e0 quy tr\u00ecnh kh\u1eed t\u1eeb.<\/p>\n<h2 id=\"toc-8-luu-y-theo-thuc-te-thi-truong-viet-nam\">L\u01b0u \u00fd theo th\u1ef1c t\u1ebf th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam<\/h2>\n<p>&#8211; 201 th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u00e0o thay cho 304 \u0111\u1ec3 gi\u1ea3m gi\u00e1; n\u1ebfu b\u1ea3n v\u1ebd ch\u1ec9 ghi \u201cInox 304\/201\u201d s\u1ebd d\u1ec5 b\u1ecb thay th\u1ebf. Lu\u00f4n kh\u00f3a m\u00e1c v\u00e0 ti\u00eau chu\u1ea9n.<br \/>\n&#8211; T\u1ea5m HL\/No.4 h\u1ea7u h\u1ebft l\u00e0 c\u00e1n ngu\u1ed9i c\u00f3 film PE; y\u00eau c\u1ea7u film gi\u00fap gi\u1ea3m tr\u1ea7y trong c\u1eaft\/\u0111\u1ed9t\/u\u1ed1n.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc th\u00f4ng d\u1ee5ng: t\u1ea5m 1219\/1500\/1524 x 2438\/3000 mm; \u1ed1ng c\u01a1 kh\u00ed d\u00e0i 6 m; \u1ed1ng A312 d\u00e0i 6 m. Ghi k\u00edch th\u01b0\u1edbc \u201cstock\u201d gi\u00fap t\u1ed1i \u01b0u t\u1ed1i thi\u1ec3u ph\u1ebf li\u1ec7u.<\/p>\n<h2 id=\"toc-9-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A240\/A240M v\u00e0 ASTM A480\/A480M: t\u1ea5m\/l\u00e1\/strip Inox v\u00e0 y\u00eau c\u1ea7u chung.<br \/>\n&#8211; EN 10088-2: Th\u00e9p kh\u00f4ng g\u1ec9 \u2013 \u0110i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt cho s\u1ea3n ph\u1ea9m d\u1eb9t; \u0111\u1ecbnh ngh\u0129a b\u1ec1 m\u1eb7t No.1\/2B\/BA\/No.4.<br \/>\n&#8211; ASTM A312\/A312M v\u00e0 ASME B36.19M: \u1ed0ng Inox h\u00e0n\/\u0111\u00fac v\u00e0 k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng \u1ed1ng Inox.<br \/>\n&#8211; ASTM A554: \u1ed0ng c\u01a1 kh\u00ed\/trang tr\u00ed kh\u00f4ng g\u1ec9.<br \/>\n&#8211; ASTM A270 v\u00e0 ASME BPE: \u1ed0ng v\u1ec7 sinh\/vi sinh v\u00e0 y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t.<br \/>\n&#8211; ASTM A276 v\u00e0 ASTM A484: Thanh, la, h\u00ecnh kh\u00f4ng g\u1ec9 v\u00e0 y\u00eau c\u1ea7u chung.<br \/>\n&#8211; ISO 1302, ISO 4287\/4288: K\u00fd hi\u1ec7u v\u00e0 \u0111o nh\u00e1m b\u1ec1 m\u1eb7t.<br \/>\n&#8211; ISO 2768, ISO 1101: Dung sai chung v\u00e0 dung sai h\u00ecnh h\u1ecdc.<br \/>\n&#8211; ASTM A380\/A967: L\u00e0m s\u1ea1ch, t\u1ea9y g\u1ec9 v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a th\u00e9p kh\u00f4ng g\u1ec9.<br \/>\n&#8211; Euro Inox \u2013 Stainless Steel: Tables of Technical Properties; Outokumpu Product Manual (h\u01b0\u1edbng d\u1eabn b\u1ec1 m\u1eb7t, gia c\u00f4ng).<\/p>\n<p>K\u1ebft lu\u1eadn:<br \/>\nMu\u1ed1n nh\u00e0 cung c\u1ea5p hi\u1ec3u \u0111\u00fang \u00fd \u0111\u1ed3 thi\u1ebft k\u1ebf, h\u00e3y \u201cchu\u1ea9n h\u00f3a\u201d d\u00f2ng v\u1eadt li\u1ec7u Inox tr\u00ean b\u1ea3n v\u1ebd theo 6 y\u1ebfu t\u1ed1: m\u00e1c + ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m + k\u00edch th\u01b0\u1edbc\/dung sai + b\u1ec1 m\u1eb7t + t\u00ecnh tr\u1ea1ng luy\u1ec7n kim\/x\u1eed l\u00fd + ch\u1ee9ng ch\u1ec9\/ki\u1ec3m tra. \u00c1p \u0111\u00fang ti\u00eau chu\u1ea9n cho t\u1eebng d\u1ea1ng (A240\/A480, A554, A312, A270, A276\/A484), ghi r\u00f5 b\u1ec1 m\u1eb7t v\u00e0 dung sai, v\u00e0 th\u00eam c\u00e1c ghi ch\u00fa h\u00e0n \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a khi c\u1ea7n. L\u00e0m t\u1ed1t c\u00e1c \u0111i\u1ec3m n\u00e0y, b\u1ea1n s\u1ebd gi\u1ea3m t\u1ed1i \u0111a r\u1ee7i ro nh\u1ea7m l\u1eabn, \u0111\u1eb7t \u0111\u01b0\u1ee3c \u0111\u00fang h\u00e0ng ngay t\u1eeb l\u1ea7n ch\u00e0o gi\u00e1 \u0111\u1ea7u ti\u00ean, t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<p>C\u1ea7n m\u1eabu callout theo d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n ho\u1eb7c h\u1ed7 tr\u1ee3 quy \u0111\u1ed5i ti\u00eau chu\u1ea9n? Li\u00ean h\u1ec7 Inox Cuong Thinh \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>Chu\u1ea9n h\u00f3a c\u00e1ch ghi v\u1eadt li\u1ec7u Inox tr\u00ean b\u1ea3n v\u1ebd: m\u00e1c, ti\u00eau chu\u1ea9n ASTM\/EN, b\u1ec1 m\u1eb7t 2B\/BA\/HL, dung sai, v\u00ed d\u1ee5 callout s\u1eb5n d\u00f9ng v\u00e0 checklist tr\u00e1nh nh\u1ea7m l\u1eabn.<\/p>\n","protected":false},"author":7,"featured_media":1037,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1492","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\/1492","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=1492"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1492\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1037"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}