{"id":1219,"date":"2025-10-24T00:34:47","date_gmt":"2025-10-23T17:34:47","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-vi-sinh-astm-a270-asme-bpe-en-10357\/"},"modified":"2025-10-24T00:34:47","modified_gmt":"2025-10-23T17:34:47","slug":"tieu-chuan-ong-inox-vi-sinh-astm-a270-asme-bpe-en-10357","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/tieu-chuan-ong-inox-vi-sinh-astm-a270-asme-bpe-en-10357\/","title":{"rendered":"Ti\u00eau chu\u1ea9n \u1ed1ng inox vi sinh: ASTM A270, ASME BPE, EN 10357"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-ong-inox-vi-sinh-la-gi-va-khi-nao-can-dung\">\u1ed0ng inox vi sinh l\u00e0 g\u00ec v\u00e0 khi n\u00e0o c\u1ea7n d\u00f9ng?<\/a><\/li>\n<li><a href=\"#toc-1-he-tieu-chuan-quoc-te-chu-dao\">H\u1ec7 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf ch\u1ee7 \u0111\u1ea1o<\/a><\/li>\n<li><a href=\"#toc-2-yeu-cau-ky-thuat-quan-trong-khi-chon-ong-vi-sinh\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt quan tr\u1ecdng khi ch\u1ecdn \u1ed1ng vi sinh<\/a><\/li>\n<li><a href=\"#toc-3-so-sanh-nhanh-astm-a270-asme-bpe-en-10357\">So s\u00e1nh nhanh: ASTM A270, ASME BPE, EN 10357<\/a><\/li>\n<li><a href=\"#toc-4-checklist-dat-hang-va-nghiem-thu-thuc-te\">Checklist \u0111\u1eb7t h\u00e0ng v\u00e0 nghi\u1ec7m thu th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-5-loi-pho-bien-tai-viet-nam-va-cach-tranh\">L\u1ed7i ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-6-ung-dung-va-chon-do-nham-mot-so-tinh-huong-dien-hi\">\u1ee8ng d\u1ee5ng v\u00e0 ch\u1ecdn \u0111\u1ed9 nh\u00e1m \u2013 m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng \u0111i\u1ec3n h\u00ecnh<\/a><\/li>\n<li><a href=\"#toc-7-bao-quan-van-chuyen-va-lap-dat-de-giu-chuan-vi-sin\">B\u1ea3o qu\u1ea3n, v\u1eadn chuy\u1ec3n v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u1ec3 gi\u1eef chu\u1ea9n \u201cvi sinh\u201d<\/a><\/li>\n<li><a href=\"#toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>\u1ed0ng inox vi sinh l\u00e0 \u201cx\u01b0\u01a1ng s\u1ed1ng\u201d c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng trong nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m, \u0111\u1ed3 u\u1ed1ng, s\u1eefa v\u00e0 d\u01b0\u1ee3c ph\u1ea9m \u2013 n\u01a1i y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t s\u1ea1ch, kh\u00f4ng k\u1ebd h\u1edf, d\u1ec5 v\u1ec7 sinh v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p c\u00e1c ti\u00eau chu\u1ea9n c\u1ed1t l\u00f5i (ASTM A270, ASME BPE, EN 10357\u2026), c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt quan tr\u1ecdng, c\u00e1ch so s\u00e1nh v\u00e0 l\u1ef1a ch\u1ecdn, c\u0169ng nh\u01b0 checklist \u0111\u1eb7t h\u00e0ng \u2013 nghi\u1ec7m thu ph\u00f9 h\u1ee3p th\u1ef1c t\u1ebf th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n<h2 id=\"toc-0-ong-inox-vi-sinh-la-gi-va-khi-nao-can-dung\">\u1ed0ng inox vi sinh l\u00e0 g\u00ec v\u00e0 khi n\u00e0o c\u1ea7n d\u00f9ng?<\/h2>\n<p>\u1ed0ng inox vi sinh (sanitary\/hygienic tubing) l\u00e0 \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3:<br \/>\n&#8211; V\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p ti\u1ebfp x\u00fac s\u1ea3n ph\u1ea9m (th\u1ef1c ph\u1ea9m\/d\u01b0\u1ee3c ph\u1ea9m), th\u01b0\u1eddng l\u00e0 304\/304L, 316\/316L.<br \/>\n&#8211; \u0110\u01b0\u1eddng h\u00e0n trong \u0111\u01b0\u1ee3c l\u00e0m ph\u1eb3ng (bead-rolled) ho\u1eb7c h\u00e0n kh\u00f4ng g\u1edd, b\u1ec1 m\u1eb7t trong s\u1ea1ch, \u0111\u1ed9 nh\u00e1m Ra th\u1ea5p \u0111\u1ec3 h\u1ea1n ch\u1ebf b\u00e1m b\u1ea9n\/vi sinh.<br \/>\n&#8211; \u0110\u01b0\u1ee3c ki\u1ec3m so\u00e1t s\u1ea1ch b\u1ec1 m\u1eb7t, \u0111\u00f3ng n\u1eafp hai \u0111\u1ea7u, b\u1ecdc b\u1ea3o v\u1ec7; c\u00f3 ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u v\u00e0 ki\u1ec3m \u0111\u1ecbnh \u0111i k\u00e8m.<\/p>\n<p>D\u00f9ng khi h\u1ec7 th\u1ed1ng c\u1ea7n CIP\/SIP, h\u1ea1n ch\u1ebf \u201c\u0111i\u1ec3m ch\u1ebft\u201d, tho\u00e1t c\u1ea1n, v\u00e0 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng \u2013 an to\u00e0n s\u1ea3n ph\u1ea9m.<\/p>\n<h2 id=\"toc-1-he-tieu-chuan-quoc-te-chu-dao\">H\u1ec7 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf ch\u1ee7 \u0111\u1ea1o<\/h2>\n<h3>ASTM A270 \u2013 Sanitary Tubing<\/h3>\n<p>&#8211; Ph\u1ea1m vi: \u1ed0ng inox h\u00e0n ho\u1eb7c \u0111\u00fac li\u1ec1n (welded\/seamless) cho ng\u00e0nh s\u1eefa, th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m.<br \/>\n&#8211; M\u00e1c th\u00e9p ph\u1ed5 bi\u1ebfn: TP304\/304L, TP316\/316L. 316L \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho m\u00f4i tr\u01b0\u1eddng clorua\/corrosion cao.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: Y\u00eau c\u1ea7u \u0111\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc trong\/ngo\u00e0i theo \u0111\u1eb7t h\u00e0ng; \u0111\u1ed9 nh\u00e1m Ra th\u01b0\u1eddng ch\u1ec9 \u0111\u1ecbnh trong h\u1ee3p \u0111\u1ed3ng (th\u1ef1c ph\u1ea9m th\u01b0\u1eddng \u22640.8 \u00b5m; \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi cao h\u01a1n c\u00f3 th\u1ec3 \u22640.5 \u00b5m).<br \/>\n&#8211; H\u00e0n: \u1ed0ng h\u00e0n ph\u1ea3i x\u1eed l\u00fd g\u1edd trong (bead rolling) \u0111\u1ec3 gi\u1ea3m t\u00edch t\u1ee5 c\u1eb7n. V\u00f9ng h\u00e0n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u00ed, kh\u00f4ng ch\u00e1y x\u00e9m.<br \/>\n&#8211; Nhi\u1ec7t luy\u1ec7n: \u1ee6 dung d\u1ecbch (solution annealed) v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1ec1 m\u1eb7t theo ASTM A967\/A380 khi y\u00eau c\u1ea7u.<br \/>\n&#8211; Ki\u1ec3m tra: Ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (eddy current) ho\u1eb7c th\u1eed \u00e1p\/hydrostatic theo y\u00eau c\u1ea7u; k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 tr\u00f2n theo dung sai ti\u00eau chu\u1ea9n.<br \/>\n&#8211; T\u00e0i li\u1ec7u: Ch\u1ee9ng ch\u1ec9 MTC theo EN 10204 3.1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u trong d\u1ef1 \u00e1n.<\/p>\n<p>L\u01b0u \u00fd: ASTM A270 c\u00f3 c\u00e1c y\u00eau c\u1ea7u b\u1ed5 sung (Supplementary Requirements) \u0111\u1ec3 t\u0103ng ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u1ea1ch b\u1ec1 m\u1eb7t, th\u1eed nghi\u1ec7m, truy xu\u1ea5t \u2013 n\u00ean n\u00eau r\u00f5 khi \u0111\u1eb7t h\u00e0ng.<\/p>\n<h3>ASME BPE \u2013 Bioprocessing Equipment<\/h3>\n<p>&#8211; Ph\u1ea1m vi: Ti\u00eau chu\u1ea9n tham chi\u1ebfu h\u00e0ng \u0111\u1ea7u trong d\u01b0\u1ee3c ph\u1ea9m\/sinh h\u1ecdc; bao tr\u00f9m \u1ed1ng, ph\u1ee5 ki\u1ec7n, b\u1ec1 m\u1eb7t, thi\u1ebft k\u1ebf l\u1eafp \u0111\u1eb7t (drainability, dead-legs), v\u1eadt li\u1ec7u, truy xu\u1ea5t.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: Ph\u00e2n lo\u1ea1i b\u1ec1 m\u1eb7t l\u00e0m vi\u1ec7c \u01b0\u1edbt (wetted surfaces) v\u1edbi c\u00e1c m\u1ee9c \u0111\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n h\u00f3a (electropolish). Th\u1ef1c h\u00e0nh ph\u1ed5 bi\u1ebfn:<br \/>\n  &#8211; D\u01b0\u1ee3c ph\u1ea9m n\u01b0\u1edbc tinh khi\u1ebft\/WFI\/ti\u00eam: th\u01b0\u1eddng y\u00eau c\u1ea7u Ra \u22640.5 \u00b5m (\u224820 \u00b5in), hay Ra th\u1ea5p h\u01a1n n\u1ebfu electropolish.<br \/>\n  &#8211; Th\u1ef1c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng s\u1ea1ch cao: Ra \u22640.8 \u00b5m (\u224832 \u00b5in).<br \/>\n  Ghi ch\u00fa: K\u00fd hi\u1ec7u v\u00e0 tr\u1ecb s\u1ed1 b\u1ec1 m\u1eb7t c\u1ee5 th\u1ec3 thay \u0111\u1ed5i theo phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n \u2013 c\u1ea7n vi\u1ec7n d\u1eabn phi\u00ean b\u1ea3n ASME BPE \u00e1p d\u1ee5ng trong h\u1ee3p \u0111\u1ed3ng.<br \/>\n&#8211; V\u1eadt li\u1ec7u: \u01afu ti\u00ean 316L v\u1edbi th\u00e0nh ph\u1ea7n l\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t h\u1eb9p \u0111\u1ec3 t\u1ed1i \u01b0u h\u00e0n\/t\u1ea1o b\u1ec1 m\u1eb7t; ki\u1ec3m so\u00e1t ferrite v\u00f9ng h\u00e0n \u0111\u1ec3 ch\u1ed1ng n\u1ee9t v\u00e0 \u0103n m\u00f2n.<br \/>\n&#8211; Thi\u1ebft k\u1ebf v\u1ec7 sinh: Khuy\u1ebfn ngh\u1ecb \u0111\u1ed9 d\u1ed1c tho\u00e1t c\u1ea1n t\u1ed1i thi\u1ec3u kho\u1ea3ng 1% (1:100) cho \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh; h\u1ea1n ch\u1ebf dead-leg b\u1eb1ng t\u1ef7 l\u1ec7 L\/D nh\u1ecf (nhi\u1ec1u d\u1ef1 \u00e1n \u00e1p d\u1ee5ng L\/D \u2264 2 \u0111\u1ed1i v\u1edbi b\u1ec1 m\u1eb7t \u01b0\u1edbt \u2013 x\u00e1c nh\u1eadn theo URS\/DS).<br \/>\n&#8211; Truy xu\u1ea5t: \u0110\u00f2i h\u1ecfi nh\u1eadn di\u1ec7n nhi\u1ec7t luy\u1ec7n\/heat number, h\u1ed3 s\u01a1 v\u1ec7 sinh b\u1ec1 m\u1eb7t, quy tr\u00ecnh h\u00e0n (WPS\/PQR), h\u1ed3 s\u01a1 th\u1ee3 h\u00e0n, thi\u1ebft b\u1ecb h\u00e0n qu\u1ef9 \u0111\u1ea1o (orbital) v\u00e0 bi\u00ean b\u1ea3n ki\u1ec3m tra.<\/p>\n<h3>EN 10357 (thay th\u1ebf DIN 11850), ISO 2037, 3-A, ISO 2852 v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan<\/h3>\n<p>&#8211; EN 10357: \u1ed0ng inox h\u00e0n cho ng\u00e0nh th\u1ef1c ph\u1ea9m, h\u00f3a ch\u1ea5t v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng v\u1ec7 sinh t\u1ea1i ch\u00e2u \u00c2u. Quy \u0111\u1ecbnh d\u00e3y k\u00edch th\u01b0\u1edbc (series) v\u00e0 dung sai; th\u01b0\u1eddng d\u00f9ng c\u00f9ng ph\u1ee5 ki\u1ec7n theo ISO 2852 (k\u1eb9p\/tri-clamp), DIN 11851 (li\u00ean k\u1ebft ren), ho\u1eb7c BS 4825.<br \/>\n&#8211; ISO 2037: \u1ed0ng inox cho s\u1eefa v\u00e0 th\u1ef1c ph\u1ea9m; v\u1eabn \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 m\u00e1y vi\u1ec7n d\u1eabn v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 l\u1eafp gh\u00e9p.<br \/>\n&#8211; 3-A Sanitary Standards: Quy \u0111\u1ecbnh thi\u1ebft k\u1ebf h\u1ee3p v\u1ec7 sinh cho thi\u1ebft b\u1ecb ng\u00e0nh s\u1eefa\/th\u1ef1c ph\u1ea9m t\u1ea1i B\u1eafc M\u1ef9; h\u1ed7 tr\u1ee3 \u0111\u1ea3m b\u1ea3o cleanability.<br \/>\n&#8211; EHEDG: H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf v\u1ec7 sinh v\u00e0 ki\u1ec3m ch\u1ee9ng kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch (kh\u00f4ng ph\u1ea3i ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u nh\u01b0ng r\u1ea5t \u0111\u01b0\u1ee3c coi tr\u1ecdng trong th\u1ea9m \u0111\u1ecbnh v\u1ec7 sinh).<br \/>\n&#8211; ISO 2852: Li\u00ean k\u1ebft k\u1eb9p (clamp\/tri-clamp) \u2013 \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng th\u00edch ph\u1ee5 ki\u1ec7n.<\/p>\n<h2 id=\"toc-2-yeu-cau-ky-thuat-quan-trong-khi-chon-ong-vi-sinh\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt quan tr\u1ecdng khi ch\u1ecdn \u1ed1ng vi sinh<\/h2>\n<h3>V\u1eadt li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/h3>\n<p>&#8211; 304\/304L: Ph\u00f9 h\u1ee3p \u0111a s\u1ed1 \u0111\u1ed3 u\u1ed1ng, s\u1eefa, th\u1ef1c ph\u1ea9m \u00edt clorua.<br \/>\n&#8211; 316\/316L: B\u1ed5 sung Mo, ch\u1ed1ng pitting\/crevice t\u1ed1t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng clorua, n\u01b0\u1edbc mu\u1ed1i, s\u1ed1t m\u1eb7n, h\u00f3a ch\u1ea5t CIP kh\u1eafc nghi\u1ec7t; l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh cho d\u01b0\u1ee3c ph\u1ea9m.<br \/>\n&#8211; Carbon th\u1ea5p (L): H\u1ea1n ch\u1ebf \u0103n m\u00f2n k\u1ebd h\u1ea1t sau h\u00e0n.<br \/>\n&#8211; Th\u00e0nh ph\u1ea7n l\u01b0u hu\u1ef3nh v\u00e0 ferrite v\u00f9ng h\u00e0n: N\u00ean ki\u1ec3m so\u00e1t theo th\u00f4ng l\u1ec7 ASME BPE \u0111\u1ec3 c\u00e2n b\u1eb1ng h\u00e0n t\u1ed1t, b\u1ec1 m\u1eb7t m\u1ecbn v\u00e0 ch\u1ed1ng n\u1ee9t.<\/p>\n<h3>B\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 nh\u00e1m (Ra)<\/h3>\n<p>&#8211; Th\u1ef1c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng: th\u01b0\u1eddng y\u00eau c\u1ea7u Ra \u22640.8 \u00b5m tr\u00ean b\u1ec1 m\u1eb7t \u01b0\u1edbt.<br \/>\n&#8211; D\u01b0\u1ee3c ph\u1ea9m\/sinh h\u1ecdc: th\u01b0\u1eddng y\u00eau c\u1ea7u Ra \u22640.5 \u00b5m; nhi\u1ec1u h\u1ec7 th\u1ed1ng ch\u1ecdn electropolish \u0111\u1ec3 gi\u1ea3m Ra v\u00e0 t\u0103ng th\u1ee5 \u0111\u1ed9ng h\u00f3a.<br \/>\n&#8211; \u0110o ki\u1ec3m: \u0110o Ra b\u1eb1ng thi\u1ebft b\u1ecb chu\u1ea9n (cut-off ph\u00f9 h\u1ee3p), k\u00e8m b\u00e1o c\u00e1o \u0111i\u1ec3m \u0111o \u0111\u1ea1i di\u1ec7n; ki\u1ec3m tra boroscope v\u00f9ng h\u00e0n trong.<br \/>\n&#8211; X\u1eed l\u00fd b\u1ec1 m\u1eb7t: Pickling\/passivation theo ASTM A380\/A967; electropolish khi quy \u0111\u1ecbnh.<\/p>\n<h3>H\u00e0n v\u00e0 x\u1eed l\u00fd m\u1ed1i h\u00e0n<\/h3>\n<p>&#8211; H\u00e0n qu\u1ef9 \u0111\u1ea1o TIG v\u1edbi kh\u00ed tr\u01a1 b\u1ea3o v\u1ec7 trong\/ngo\u00e0i; tuy\u1ec7t \u0111\u1ed1i tr\u00e1nh oxy h\u00f3a (sugaring) b\u00ean trong.<br \/>\n&#8211; N\u00e9n g\u1edd m\u1ed1i h\u00e0n (bead rolling) ho\u1eb7c ki\u1ec3m so\u00e1t \u0111i\u1ec1u ki\u1ec7n h\u00e0n \u0111\u1ec3 m\u1ed1i h\u00e0n ph\u1eb3ng, kh\u00f4ng b\u1eadc.<br \/>\n&#8211; Sau h\u00e0n: l\u00e0m s\u1ea1ch h\u00f3a h\u1ecdc v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a; \u0111o Ra t\u1ea1i\/qua m\u1ed1i h\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng v\u01b0\u1ee3t m\u1ee9c.<\/p>\n<h3>K\u00edch th\u01b0\u1edbc, dung sai v\u00e0 \u00e1p su\u1ea5t<\/h3>\n<p>&#8211; D\u00e3y k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn:<br \/>\n  &#8211; H\u1ec7 inch (B\u1eafc M\u1ef9): 1\/2&#8243;\u20134&#8243; OD (12.7\u2013101.6 mm); \u0111\u1ed9 d\u00e0y th\u01b0\u1eddng 18\u201316 gauge (\u22481.2\u20131.65 mm) t\u00f9y y\u00eau c\u1ea7u.<br \/>\n  &#8211; H\u1ec7 metric\/EN: D\u00e3y 13.5\u2013104 mm; \u0111\u1ed9 d\u00e0y 1.0\u20132.0 mm theo series.<br \/>\n&#8211; Dung sai OD, \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 tr\u00f2n\/\u0111\u1ed9 \u00f4van theo ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng (ASTM A270 ho\u1eb7c EN 10357).<br \/>\n&#8211; Thi\u1ebft k\u1ebf \u00e1p su\u1ea5t: Sanitary tubing kh\u00f4ng theo schedule pipe; ki\u1ec3m tra \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c theo ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng \u1ed1ng (v\u00ed d\u1ee5 ASME B31.3) v\u00e0 \u0111\u1ed9 d\u00e0y th\u1ef1c t\u1ebf.<\/p>\n<h3>Ki\u1ec3m \u0111\u1ecbnh v\u00e0 ch\u1ee9ng ch\u1ec9<\/h3>\n<p>&#8211; Th\u1eed kh\u00f4ng ph\u00e1 h\u1ee7y: Eddy current ho\u1eb7c hydrostatic theo \u0111\u1eb7t h\u00e0ng.<br \/>\n&#8211; Ph\u00e2n t\u00edch v\u1eadt li\u1ec7u: PMI, ki\u1ec3m so\u00e1t ferrite v\u00f9ng h\u00e0n khi y\u00eau c\u1ea7u.<br \/>\n&#8211; \u0110\u1ed9 nh\u00e1m: B\u00e1o c\u00e1o Ra; ch\u1ee9ng nh\u1eadn electropolish\/passivation.<br \/>\n&#8211; Truy xu\u1ea5t: MTC EN 10204 3.1; \u0111\u00e1nh d\u1ea5u heat number tr\u00ean \u1ed1ng; bi\u00ean b\u1ea3n v\u1ec7 sinh \u2013 \u0111\u00f3ng g\u00f3i s\u1ea1ch (end caps, t\u00fai PE).<br \/>\n&#8211; T\u01b0\u01a1ng th\u00edch ph\u1ee5 ki\u1ec7n: Ferrule\/Clamp theo ISO 2852, DIN 11851, SMS \u2013 x\u00e1c nh\u1eadn c\u00f9ng h\u1ec7 v\u1edbi \u1ed1ng.<\/p>\n<h2 id=\"toc-3-so-sanh-nhanh-astm-a270-asme-bpe-en-10357\">So s\u00e1nh nhanh: ASTM A270, ASME BPE, EN 10357<\/h2>\n<p>&#8211; M\u1ee5c \u0111\u00edch<br \/>\n  &#8211; ASTM A270: Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m \u1ed1ng sanitary \u2013 t\u1eadp trung v\u00e0o \u1ed1ng v\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n.<br \/>\n  &#8211; ASME BPE: B\u1ed9 khung to\u00e0n di\u1ec7n cho d\u01b0\u1ee3c ph\u1ea9m\/sinh h\u1ecdc \u2013 b\u1ec1 m\u1eb7t, thi\u1ebft k\u1ebf, h\u00e0n, l\u1eafp \u0111\u1eb7t, t\u01b0 li\u1ec7u.<br \/>\n  &#8211; EN 10357: \u1ed0ng sanitary theo ch\u00e2u \u00c2u \u2013 k\u00edch th\u01b0\u1edbc series v\u00e0 dung sai d\u00f9ng v\u1edbi ph\u1ee5 ki\u1ec7n ISO\/DIN\/BS.<br \/>\n&#8211; B\u1ec1 m\u1eb7t<br \/>\n  &#8211; A270: Cho ph\u00e9p \u0111\u1eb7t h\u00e0ng Ra m\u1ee5c ti\u00eau, \u0111\u00e1nh b\u00f3ng\/BA; c\u1ea7n ch\u1ec9 r\u00f5 khi mua.<br \/>\n  &#8211; BPE: Ph\u00e2n h\u1ea1ng b\u1ec1 m\u1eb7t chi ti\u1ebft (c\u01a1 h\u1ecdc\/EP), ki\u1ec3m so\u00e1t ch\u1eb7t cho b\u1ec1 m\u1eb7t \u01b0\u1edbt.<br \/>\n  &#8211; EN 10357: Ra th\u01b0\u1eddng quy \u0111\u1ecbnh qua th\u1ecfa thu\u1eadn k\u1ef9 thu\u1eadt v\u00e0 ph\u1ee5 l\u1ee5c\/ti\u00eau chu\u1ea9n ph\u1ee5 ki\u1ec7n.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng<br \/>\n  &#8211; Th\u1ef1c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng: A270 ho\u1eb7c EN 10357 + 3-A\/EHEDG.<br \/>\n  &#8211; D\u01b0\u1ee3c ph\u1ea9m: \u01afu ti\u00ean theo ASME BPE (c\u00f3 th\u1ec3 y\u00eau c\u1ea7u \u1ed1ng \u0111\u00e1p \u1ee9ng c\u1ea3 A270 v\u00e0 BPE).<\/p>\n<h2 id=\"toc-4-checklist-dat-hang-va-nghiem-thu-thuc-te\">Checklist \u0111\u1eb7t h\u00e0ng v\u00e0 nghi\u1ec7m thu th\u1ef1c t\u1ebf<\/h2>\n<p>&#8211; Ti\u00eau chu\u1ea9n\/phi\u00ean b\u1ea3n: ASTM A270 ho\u1eb7c EN 10357, v\u00e0\/ho\u1eb7c ASME BPE (n\u00eau phi\u00ean b\u1ea3n).<br \/>\n&#8211; M\u00e1c th\u00e9p: 316L (ho\u1eb7c 304L n\u1ebfu ph\u00f9 h\u1ee3p).<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc: OD, \u0111\u1ed9 d\u00e0y; h\u1ec7 inch hay metric; series (n\u1ebfu EN 10357).<br \/>\n&#8211; B\u1ec1 m\u1eb7t:<br \/>\n  &#8211; B\u00ean trong: Ra y\u00eau c\u1ea7u (v\u00ed d\u1ee5 \u22640.5 \u00b5m d\u01b0\u1ee3c ph\u1ea9m; \u22640.8 \u00b5m th\u1ef1c ph\u1ea9m); electropolish c\u00f3\/kh\u00f4ng.<br \/>\n  &#8211; B\u00ean ngo\u00e0i: Ra ho\u1eb7c l\u1edbp ho\u00e0n thi\u1ec7n (matte\/BA) theo nhu c\u1ea7u v\u1ec7 sinh \u2013 th\u1ea9m m\u1ef9.<br \/>\n&#8211; H\u00e0n: \u1ed0ng h\u00e0n bead-rolled; cho ph\u00e9p \u1ed1ng seamless n\u1ebfu d\u1ef1 \u00e1n y\u00eau c\u1ea7u.<br \/>\n&#8211; Nhi\u1ec7t luy\u1ec7n: Solution annealed; passivation theo ASTM A967; ghi r\u00f5 n\u1ebfu c\u1ea7n EP.<br \/>\n&#8211; Th\u1eed nghi\u1ec7m: Eddy current\/hydrostatic; Ra report; PMI; ferrite s\u1ed1 (n\u1ebfu y\u00eau c\u1ea7u).<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9: EN 10204 3.1; bi\u00ean b\u1ea3n EP\/passivation; ki\u1ec3m tra \u0111\u00f3ng g\u00f3i s\u1ea1ch (end caps + t\u00fai PE).<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n t\u01b0\u01a1ng th\u00edch: ISO 2852 tri-clamp, DIN 11851, SMS \u2013 ghi r\u00f5 h\u1ec7 ti\u00eau chu\u1ea9n.<br \/>\n&#8211; \u0110\u00f3ng g\u00f3i \u2013 v\u1eadn chuy\u1ec3n: Kh\u00f4ng tr\u1ea7y x\u01b0\u1edbc, kh\u00f4ng nhi\u1ec5m s\u1eaft; pallet kh\u00f4; m\u00e0ng b\u1ecdc.<\/p>\n<p>M\u1eabu th\u00f4ng s\u1ed1 mua h\u00e0ng g\u1ee3i \u00fd:<br \/>\n&#8211; \u1ed0ng inox vi sinh 316L, ASTM A270, OD 38.1 mm x 1.65 mm, b\u00ean trong Ra \u22640.5 \u00b5m, electropolish; bead-rolled; solution annealed + passivation ASTM A967; th\u1eed eddy current; MTC EN 10204 3.1; \u0111\u00f3ng n\u1eafp hai \u0111\u1ea7u v\u00e0 t\u00fai PE; t\u01b0\u01a1ng th\u00edch ferrule ISO 2852.<\/p>\n<h2 id=\"toc-5-loi-pho-bien-tai-viet-nam-va-cach-tranh\">L\u1ed7i ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam v\u00e0 c\u00e1ch tr\u00e1nh<\/h2>\n<p>&#8211; \u201c\u0110\u00e1nh b\u00f3ng cho \u0111\u1eb9p\u201d nh\u01b0ng kh\u00f4ng ki\u1ec3m so\u00e1t Ra: Y\u00eau c\u1ea7u b\u00e1o c\u00e1o \u0111o Ra v\u00e0 ki\u1ec3m tra boroscope.<br \/>\n&#8211; \u1ed0ng c\u00f4ng nghi\u1ec7p gi\u1ea3 danh sanitary: Ki\u1ec3m tra bead-rolled, end caps, bao g\u00f3i s\u1ea1ch, MTC 3.1.<br \/>\n&#8211; Kh\u00f4ng t\u01b0\u01a1ng th\u00edch ph\u1ee5 ki\u1ec7n: X\u00e1c nh\u1eadn chu\u1ea9n clamp\/ren ngay t\u1eeb \u0111\u1ea7u (ISO 2852 vs DIN 11851 vs SMS).<br \/>\n&#8211; Tr\u1ed9n l\u1eabn 304 v\u00e0 316L: Th\u1ef1c hi\u1ec7n PMI t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng khi nghi\u1ec7m thu.<br \/>\n&#8211; H\u00e0n kh\u00f4ng b\u1ea3o v\u1ec7 kh\u00ed\/purge: Quy \u0111\u1ecbnh quy tr\u00ecnh h\u00e0n qu\u1ef9 \u0111\u1ea1o, l\u01b0u h\u1ed3 s\u01a1 WPS\/PQR\/th\u1ee3 h\u00e0n.<\/p>\n<h2 id=\"toc-6-ung-dung-va-chon-do-nham-mot-so-tinh-huong-dien-hi\">\u1ee8ng d\u1ee5ng v\u00e0 ch\u1ecdn \u0111\u1ed9 nh\u00e1m \u2013 m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng \u0111i\u1ec3n h\u00ecnh<\/h2>\n<p>&#8211; \u0110\u1ed3 u\u1ed1ng c\u00f3 \u0111\u01b0\u1eddng, s\u1eefa ti\u1ec7t tr\u00f9ng: 316L \u1edf khu v\u1ef1c CIP kh\u1eafc nghi\u1ec7t; Ra trong \u22640.8 \u00b5m \u0111\u1ee7; \u01b0u ti\u00ean m\u1ed1i h\u00e0n ph\u1eb3ng v\u00e0 drainability t\u1ed1t.<br \/>\n&#8211; N\u01b0\u1edbc tinh khi\u1ebft\/WFI d\u01b0\u1ee3c ph\u1ea9m: 316L electropolish; Ra \u22640.5 \u00b5m; h\u00e0n qu\u1ef9 \u0111\u1ea1o; slope ~1% ho\u1eb7c h\u01a1n; h\u1ea1n ch\u1ebf dead-leg (L\/D nh\u1ecf); truy xu\u1ea5t \u0111\u1ea7y \u0111\u1ee7.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng clorua cao (n\u01b0\u1edbc m\u1eb7n, s\u1ed1t m\u1eb7n): 316L, ki\u1ec3m so\u00e1t clo trong CIP; xem x\u00e9t thi\u1ebft k\u1ebf tr\u00e1nh khe k\u1ebd (crevice).<\/p>\n<h2 id=\"toc-7-bao-quan-van-chuyen-va-lap-dat-de-giu-chuan-vi-sin\">B\u1ea3o qu\u1ea3n, v\u1eadn chuy\u1ec3n v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u1ec3 gi\u1eef chu\u1ea9n \u201cvi sinh\u201d<\/h2>\n<p>&#8211; B\u1ea3o qu\u1ea3n kh\u00f4, s\u1ea1ch; kh\u00f4ng \u0111\u1eb7t tr\u1ef1c ti\u1ebfp tr\u00ean n\u1ec1n b\u00ea t\u00f4ng \u1ea9m; d\u00f9ng end caps v\u00e0 t\u00fai PE nguy\u00ean v\u1eb9n.<br \/>\n&#8211; N\u00e2ng h\u1ea1 b\u1eb1ng \u0111ai v\u1ea3i; tr\u00e1nh k\u00e9o l\u00ea g\u00e2y x\u01b0\u1edbc; kh\u00f4ng d\u00f9ng b\u00e0n ch\u1ea3i th\u00e9p carbon.<br \/>\n&#8211; L\u1eafp \u0111\u1eb7t v\u1edbi kh\u00ed tr\u01a1 purge; v\u1ec7 sinh \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n; ki\u1ec3m tra Ra v\u00e0 boroscope tr\u01b0\u1edbc khi \u0111\u00f3ng h\u1ec7.<br \/>\n&#8211; L\u00e0m s\u1ea1ch tr\u01b0\u1edbc v\u1eadn h\u00e0nh: X\u1ea3 r\u1eeda, passivation theo quy tr\u00ecnh \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t; l\u01b0u tr\u1eef h\u1ed3 s\u01a1.<\/p>\n<h2 id=\"toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110\u1ec3 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m v\u1eadn h\u00e0nh an to\u00e0n, s\u1ea1ch v\u00e0 b\u1ec1n, h\u00e3y l\u1ef1a ch\u1ecdn \u1ed1ng inox vi sinh \u0111\u00fang ti\u00eau chu\u1ea9n:<br \/>\n&#8211; ASTM A270 v\u00e0 EN 10357 cung c\u1ea5p khung ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m \u1ed1ng.<br \/>\n&#8211; ASME BPE l\u00e0 \u201cchu\u1ea9n v\u00e0ng\u201d cho d\u01b0\u1ee3c ph\u1ea9m, qu\u1ea3n l\u00fd s\u00e2u b\u1ec1 m\u1eb7t, h\u00e0n v\u00e0 thi\u1ebft k\u1ebf v\u1ec7 sinh.<br \/>\n&#8211; Tr\u1ecdng t\u00e2m k\u1ef9 thu\u1eadt g\u1ed3m: ch\u1ecdn m\u00e1c (\u01b0u ti\u00ean 316L), ki\u1ec3m so\u00e1t Ra (\u22640.8 \u00b5m cho th\u1ef1c ph\u1ea9m; \u22640.5 \u00b5m ho\u1eb7c EP cho d\u01b0\u1ee3c ph\u1ea9m), m\u1ed1i h\u00e0n ph\u1eb3ng \u2013 kh\u00f4ng oxy h\u00f3a, th\u1eed nghi\u1ec7m \u0111\u1ea7y \u0111\u1ee7 v\u00e0 truy xu\u1ea5t 3.1.<\/p>\n<p>\u00c1p d\u1ee5ng checklist \u0111\u1eb7t h\u00e0ng \u2013 nghi\u1ec7m thu, k\u1ebft h\u1ee3p ki\u1ec3m tra th\u1ef1c t\u1ebf (Ra, boroscope, PMI), b\u1ea1n s\u1ebd tr\u00e1nh \u0111\u01b0\u1ee3c sai s\u00f3t ph\u1ed5 bi\u1ebfn v\u00e0 b\u1ea3o \u0111\u1ea3m h\u1ec7 th\u1ed1ng \u0111\u1ea1t chu\u1ea9n v\u1ec7 sinh qu\u1ed1c t\u1ebf ngay t\u1eeb ng\u00e0y \u0111\u1ea7u v\u1eadn h\u00e0nh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 \u1ed1ng inox vi sinh cho th\u1ef1c ph\u1ea9m &#038; d\u01b0\u1ee3c ph\u1ea9m: ASTM A270, ASME BPE, EN 10357, \u0111\u1ed9 nh\u00e1m Ra, v\u1eadt li\u1ec7u, h\u00e0n, th\u1eed nghi\u1ec7m, ch\u1ee9ng ch\u1ec9 v\u00e0 \u0111\u1eb7t h\u00e0ng.<\/p>\n","protected":false},"author":7,"featured_media":1060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1219","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\/1219","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=1219"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1219\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1060"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}