{"id":2112,"date":"2026-06-07T12:33:43","date_gmt":"2026-06-07T05:33:43","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/cach-tinh-ap-luc-lam-viec-va-do-day-ong-inox-theo-chuan-asme-2\/"},"modified":"2026-06-07T12:33:43","modified_gmt":"2026-06-07T05:33:43","slug":"cach-tinh-ap-luc-lam-viec-va-do-day-ong-inox-theo-chuan-asme-2","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/cach-tinh-ap-luc-lam-viec-va-do-day-ong-inox-theo-chuan-asme-2\/","title":{"rendered":"C\u00e1ch t\u00ednh \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c v\u00e0 \u0111\u1ed9 d\u00e0y \u1ed1ng Inox theo chu\u1ea9n ASME"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-tieu-chuan-va-thuat-ngu-can-biet\">Ti\u00eau chu\u1ea9n v\u00e0 thu\u1eadt ng\u1eef c\u1ea7n bi\u1ebft<\/a><\/li>\n<li><a href=\"#toc-1-cong-thuc-chuan-de-tinh-do-day-thanh-ong-inox\">C\u00f4ng th\u1ee9c chu\u1ea9n \u0111\u1ec3 t\u00ednh \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng Inox<\/a><\/li>\n<li><a href=\"#toc-2-cong-thuc-tinh-ap-luc-lam-viec-mawp-khi-biet-be-da\">C\u00f4ng th\u1ee9c t\u00ednh \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c (MAWP) khi bi\u1ebft b\u1ec1 d\u00e0y<\/a><\/li>\n<li><a href=\"#toc-3-chon-schedule-theo-asme-b3619m\">Ch\u1ecdn Schedule theo ASME B36.19M<\/a><\/li>\n<li><a href=\"#toc-4-vi-du-tinh-thuc-te\">V\u00ed d\u1ee5 t\u00ednh th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-5-quy-trinh-5-buoc-de-tu-tinh-nhanh\">Quy tr\u00ecnh 5 b\u01b0\u1edbc \u0111\u1ec3 t\u1ef1 t\u00ednh nhanh<\/a><\/li>\n<li><a href=\"#toc-6-cac-luu-y-thuc-hanh-tai-cong-truong\">C\u00e1c l\u01b0u \u00fd th\u1ef1c h\u00e0nh t\u1ea1i c\u00f4ng tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-7-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>T\u00ednh \u0111\u00fang \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c (MAWP) v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng Inox l\u00e0 b\u01b0\u1edbc c\u1ed1t l\u00f5i khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p \u2014 t\u1eeb n\u01b0\u1edbc, h\u01a1i, kh\u00ed n\u00e9n \u0111\u1ebfn h\u00f3a ch\u1ea5t. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p c\u00f4ng th\u1ee9c, d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o, v\u00ed d\u1ee5 t\u00ednh v\u00e0 c\u00e1ch ch\u1ecdn Schedule theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf (ASME\/EN), gi\u00fap k\u1ef9 s\u01b0 v\u00e0 ch\u1ee7 x\u01b0\u1edfng ra quy\u1ebft \u0111\u1ecbnh nhanh, \u0111\u00fang v\u00e0 an to\u00e0n.<\/p>\n<h2 id=\"toc-0-tieu-chuan-va-thuat-ngu-can-biet\">Ti\u00eau chu\u1ea9n v\u00e0 thu\u1eadt ng\u1eef c\u1ea7n bi\u1ebft<\/h2>\n<p>&#8211; ASME B31.3 (Process Piping): C\u00f4ng th\u1ee9c t\u00ednh b\u1ec1 d\u00e0y\/\u00e1p su\u1ea5t thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c.<br \/>\n&#8211; ASME B36.19M: K\u00edch th\u01b0\u1edbc v\u00e0 b\u1ec1 d\u00e0y \u1ed1ng Inox (c\u00e1c Schedule 5S, 10S, 40S, 80S\u2026).<br \/>\n&#8211; ASTM A312\/A312M: \u1ed0ng Inox austenitic li\u1ec1n m\u1ea1ch\/h\u00e0n cho d\u1ecbch v\u1ee5 \u00e1p l\u1ef1c.<br \/>\n&#8211; ISO 1127 ho\u1eb7c EN 10217-7: K\u00edch th\u01b0\u1edbc\/dung sai \u1ed1ng Inox theo chu\u1ea9n ch\u00e2u \u00c2u.<br \/>\n&#8211; EN 13480-3: Thi\u1ebft k\u1ebf t\u00ednh b\u1ec1n \u0111\u01b0\u1eddng \u1ed1ng kim lo\u1ea1i (ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ASME).<br \/>\nL\u01b0u \u00fd: \u1ed0ng trang tr\u00ed\/ c\u01a1 kh\u00ed ASTM A554 kh\u00f4ng d\u00f9ng cho m\u00f4i ch\u1ea5t \u00e1p l\u1ef1c.<\/p>\n<p>Thu\u1eadt ng\u1eef ch\u00ednh:<br \/>\n&#8211; P: \u00c1p su\u1ea5t thi\u1ebft k\u1ebf\/\u00e1p l\u1ef1c l\u00e0m vi\u1ec7c (MPa ho\u1eb7c bar).<br \/>\n&#8211; D: \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i \u1ed1ng (mm).<br \/>\n&#8211; t: Chi\u1ec1u d\u00e0y y\u00eau c\u1ea7u (mm).<br \/>\n&#8211; c: D\u1ef1 ph\u00f2ng \u0103n m\u00f2n\/m\u00e0i m\u00f2n (mm).<br \/>\n&#8211; S: \u1ee8ng su\u1ea5t cho ph\u00e9p t\u1ea1i nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf (MPa) \u2013 tra ASME II-D.<br \/>\n&#8211; E: H\u1ec7 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n d\u1ecdc (seam efficiency). Th\u01b0\u1eddng E = 1,0 cho \u1ed1ng li\u1ec1n m\u1ea1ch v\u00e0 \u1ed1ng h\u00e0n ERW \u0111\u1ea1t chu\u1ea9n; lo\u1ea1i m\u1ed1i h\u00e0n k\u00e9m c\u00f3 th\u1ec3 E < 1.\n- y: H\u1ec7 s\u1ed1 theo v\u1eadt li\u1ec7u (ASME B31.3, B\u1ea3ng 304.1.1); v\u1edbi Inox austenitic \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng, y \u2248 0,4.\n- Tolerance th\u00e0nh \u1ed1ng: ASTM A312 cho ph\u00e9p \u00e2m 12,5% b\u1ec1 d\u00e0y danh ngh\u0129a.\n\nNgu\u1ed3n tham kh\u1ea3o ch\u00ednh: ASME B31.3, ASME B36.19M, ASTM A312, ASME II-D, EN 13480-3.\n\n\n\n<h2 id=\"toc-1-cong-thuc-chuan-de-tinh-do-day-thanh-ong-inox\">C\u00f4ng th\u1ee9c chu\u1ea9n \u0111\u1ec3 t\u00ednh \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng Inox<\/h2>\n<p>Theo ASME B31.3 (\u0111\u01b0\u1eddng \u1ed1ng th\u1eb3ng ch\u1ecbu \u00e1p n\u1ed9i), chi\u1ec1u d\u00e0y y\u00eau c\u1ea7u t (ch\u01b0a t\u00ednh dung sai ch\u1ebf t\u1ea1o) \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi:<br \/>\n&#8211; t = (P \u00d7 D) \/ [2 \u00d7 (S \u00d7 E + P \u00d7 y)]<br \/>\n&#8211; Sau \u0111\u00f3 c\u1ed9ng d\u1ef1 ph\u00f2ng \u0103n m\u00f2n: t_m = t + c<br \/>\n&#8211; V\u00e0 x\u00e9t dung sai \u00e2m ch\u1ebf t\u1ea1o: t_nom \u2265 t_m \/ (1 \u2212 0,125) = t_m \/ 0,875<\/p>\n<p>Trong \u0111\u00f3:<br \/>\n&#8211; Ch\u1ecdn S theo m\u00e1c Inox v\u00e0 nhi\u1ec7t \u0111\u1ed9. Tham kh\u1ea3o \u0111i\u1ec3n h\u00ecnh \u1edf ~20\u201338\u00b0C:<br \/>\n  &#8211; 304L: S \u2248 86 MPa<br \/>\n  &#8211; 316L: S \u2248 83 MPa<br \/>\n  &#8211; 304: S \u2248 103 MPa<br \/>\n  (Gi\u00e1 tr\u1ecb tham kh\u1ea3o; lu\u00f4n tra phi\u00ean b\u1ea3n ASME II-D m\u1edbi nh\u1ea5t cho d\u1ef1 \u00e1n th\u1ef1c t\u1ebf.)<br \/>\n&#8211; E = 1,0 cho \u1ed1ng SA-312 seamless ho\u1eb7c ERW \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n; tra B31.3 Ph\u1ee5 l\u1ee5c A khi d\u00f9ng lo\u1ea1i h\u00e0n kh\u00e1c.<br \/>\n&#8211; y \u2248 0,4 cho Inox austenitic \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng.<\/p>\n<h3>G\u1ee3i \u00fd ch\u1ecdn d\u1ef1 ph\u00f2ng \u0103n m\u00f2n c<\/h3>\n<p>&#8211; N\u01b0\u1edbc s\u1ea1ch\/kh\u00ed n\u00e9n kh\u00f4: 0\u20131,0 mm<br \/>\n&#8211; N\u01b0\u1edbc c\u00f4ng nghi\u1ec7p\/ngo\u00e0i tr\u1eddi: 1,0\u20132,0 mm<br \/>\n&#8211; H\u00f3a ch\u1ea5t\/\u0103n m\u00f2n: 2,0\u20133,0 mm (ho\u1eb7c theo \u0111\u00e1nh gi\u00e1 \u0103n m\u00f2n chuy\u00ean s\u00e2u)<br \/>\n&#8211; H\u01a1i b\u00e3o h\u00f2a s\u1ea1ch: 0\u20131,0 mm<br \/>\nLu\u00f4n \u01b0u ti\u00ean d\u1eef li\u1ec7u \u0103n m\u00f2n th\u1ef1c t\u1ebf v\u00e0 quy chu\u1ea9n n\u1ed9i b\u1ed9 nh\u00e0 m\u00e1y.<\/p>\n<h2 id=\"toc-2-cong-thuc-tinh-ap-luc-lam-viec-mawp-khi-biet-be-da\">C\u00f4ng th\u1ee9c t\u00ednh \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c (MAWP) khi bi\u1ebft b\u1ec1 d\u00e0y<\/h2>\n<p>Khi \u0111\u00e3 c\u00f3 b\u1ec1 d\u00e0y danh ngh\u0129a t_nom, \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c cho ph\u00e9p P (MAWP) t\u00ednh theo:<br \/>\n&#8211; T\u00ednh b\u1ec1 d\u00e0y h\u1eefu hi\u1ec7u sau dung sai v\u00e0 \u0103n m\u00f2n: t_eff = t_nom \u00d7 0,875 \u2212 c<br \/>\n&#8211; MAWP: P = [2 \u00d7 S \u00d7 E \u00d7 t_eff] \/ [D \u2212 y \u00d7 t_eff]<\/p>\n<p>L\u01b0u \u00fd: MAWP h\u1ee3p l\u1ec7 \u1edf \u0111\u00fang nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf \u0111\u00e3 d\u00f9ng \u0111\u1ec3 tra S.<\/p>\n<h2 id=\"toc-3-chon-schedule-theo-asme-b3619m\">Ch\u1ecdn Schedule theo ASME B36.19M<\/h2>\n<p>&#8211; B36.19M \u00e1p d\u1ee5ng ri\u00eang cho \u1ed1ng Inox; c\u00e1c Schedule c\u00f3 h\u1eadu t\u1ed1 S (5S, 10S, 40S, 80S).<br \/>\n&#8211; \u201c40S\u201d kh\u00e1c \u201cSchedule 40\u201d c\u1ee7a B36.10 (th\u00e9p carbon); v\u1edbi c\u00f9ng k\u00edch th\u01b0\u1edbc danh ngh\u0129a, b\u1ec1 d\u00e0y c\u00f3 th\u1ec3 kh\u00e1c.<br \/>\n&#8211; Th\u1ef1c t\u1ebf:<br \/>\n  &#8211; 5S: th\u00e0nh m\u1ecfng \u2013 th\u00edch h\u1ee3p l\u01b0u l\u01b0\u1ee3ng l\u1edbn \u00e1p th\u1ea5p.<br \/>\n  &#8211; 10S: ph\u1ed5 bi\u1ebfn cho n\u01b0\u1edbc, kh\u00ed n\u00e9n, HVAC, CIP v\u1edbi \u00e1p su\u1ea5t trung b\u00ecnh.<br \/>\n  &#8211; 40S\/80S: d\u00f9ng cho \u00e1p cao, ren n\u1ed1i, ch\u1ecbu m\u00e0i m\u00f2n, ho\u1eb7c khi c\u00f3 y\u00eau c\u1ea7u c\u01a1 kh\u00ed\/ti\u00eau chu\u1ea9n ph\u1ee5.<\/p>\n<p>Ngo\u00e0i b\u1ec1n \u00e1p l\u1ef1c, h\u00e3y ki\u1ec3m tra th\u00eam: ren\/unions (c\u1ea7n Schedule t\u1ed1i thi\u1ec3u), \u0103n m\u00f2n c\u1ee5c b\u1ed9, t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc, u\u1ed1n\/gi\u00e1 \u0111\u1ee1, gi\u00e3n n\u1edf nhi\u1ec7t, t\u01b0\u01a1ng th\u00edch ph\u1ee5 ki\u1ec7n (ASME B16.9\/B16.11\/B16.5\u2026).<\/p>\n<h2 id=\"toc-4-vi-du-tinh-thuc-te\">V\u00ed d\u1ee5 t\u00ednh th\u1ef1c t\u1ebf<\/h2>\n<p>Gi\u1ea3 s\u1eed \u1ed1ng Inox 304L, nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c ~20\u201340\u00b0C, E = 1,0, y = 0,4, c = 1,0 mm. Tham kh\u1ea3o S = 86 MPa.<\/p>\n<h3>V\u00ed d\u1ee5 1 \u2014 X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u cho DN50 (2&#8243;) \u1edf 16 bar<\/h3>\n<p>&#8211; D = 60,3 mm (ASME B36.19M)<br \/>\n&#8211; P = 16 bar = 1,6 MPa<br \/>\n&#8211; t = (1,6 \u00d7 60,3) \/ [2 \u00d7 (86 \u00d7 1,0 + 1,6 \u00d7 0,4)] = 96,48 \/ 173,28 \u2248 0,557 mm<br \/>\n&#8211; t_m = t + c = 0,557 + 1,0 = 1,557 mm<br \/>\n&#8211; t_nom \u2265 1,557 \/ 0,875 \u2248 1,779 mm<br \/>\nCh\u1ecdn Schedule theo B36.19M:<br \/>\n&#8211; 2&#8243; 5S: t_nom \u2248 1,65 mm < 1,779 mm \u2192 kh\u00f4ng \u0111\u1ee7\n- 2\" 10S: t_nom \u2248 2,77 mm \u2192 \u0111\u1ea1t\nK\u1ebft lu\u1eadn: DN50 d\u00f9ng 10S \u0111\u00e1p \u1ee9ng 16 bar v\u1edbi d\u1ef1 ph\u00f2ng \u0103n m\u00f2n 1 mm.\n\n\n\n<h3>V\u00ed d\u1ee5 2 \u2014 Ch\u1ecdn Schedule kinh t\u1ebf cho DN100 (4&#8243;) \u1edf 10 bar<\/h3>\n<p>&#8211; D = 114,3 mm; P = 10 bar = 1,0 MPa<br \/>\n&#8211; t = (1,0 \u00d7 114,3) \/ [2 \u00d7 (86 + 1,0 \u00d7 0,4)] = 114,3 \/ 172,8 \u2248 0,661 mm<br \/>\n&#8211; t_m = 0,661 + 1,0 = 1,661 mm<br \/>\n&#8211; t_nom \u2265 1,661 \/ 0,875 \u2248 1,898 mm<br \/>\n\u0110\u1ed1i chi\u1ebfu B36.19M:<br \/>\n&#8211; 4&#8243; 5S: t_nom \u2248 2,11 mm \u2192 \u0111\u1ea1t v\u00e0 kinh t\u1ebf h\u01a1n so v\u1edbi 10S (3,05 mm).<\/p>\n<h3>V\u00ed d\u1ee5 3 \u2014 T\u00ednh MAWP cho 2&#8243; Schedule 10S<\/h3>\n<p>&#8211; 2&#8243; 10S: t_nom = 2,77 mm; t_eff = 2,77 \u00d7 0,875 \u2212 1,0 \u2248 1,424 mm<br \/>\n&#8211; MAWP P = [2 \u00d7 86 \u00d7 1,0 \u00d7 1,424] \/ [60,3 \u2212 0,4 \u00d7 1,424]<br \/>\n  \u2248 244,9 \/ 59,73 \u2248 4,10 MPa \u2248 41 bar<br \/>\nGhi ch\u00fa: MAWP th\u1ef1c t\u1ebf c\u00f2n ph\u1ee5 thu\u1ed9c nhi\u1ec7t \u0111\u1ed9 (S gi\u1ea3m khi nhi\u1ec7t t\u0103ng), li\u00ean k\u1ebft\/ph\u1ee5 ki\u1ec7n, v\u00e0 ki\u1ec3m tra th\u1ee7y l\u1ef1c.<\/p>\n<h2 id=\"toc-5-quy-trinh-5-buoc-de-tu-tinh-nhanh\">Quy tr\u00ecnh 5 b\u01b0\u1edbc \u0111\u1ec3 t\u1ef1 t\u00ednh nhanh<\/h2>\n<p>1) X\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o:<br \/>\n&#8211; P thi\u1ebft k\u1ebf, T thi\u1ebft k\u1ebf, m\u00f4i ch\u1ea5t, tu\u1ed5i th\u1ecd; v\u1eadt li\u1ec7u (304\/304L\/316L\u2026); ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o (seamless\/h\u00e0n).<br \/>\n2) Tra tham s\u1ed1:<br \/>\n&#8211; D theo k\u00edch th\u01b0\u1edbc danh ngh\u0129a (ASME B36.19M).<br \/>\n&#8211; S theo ASME II-D t\u1ea1i T thi\u1ebft k\u1ebf.<br \/>\n&#8211; E theo B31.3 Ph\u1ee5 l\u1ee5c A (th\u01b0\u1eddng 1,0 v\u1edbi SA-312).<br \/>\n&#8211; y theo B31.3 B\u1ea3ng 304.1.1 (Inox austenitic th\u01b0\u1eddng 0,4).<br \/>\n&#8211; c theo \u0111\u00e1nh gi\u00e1 \u0103n m\u00f2n.<br \/>\n3) T\u00ednh t, t_m, t_nom t\u1ed1i thi\u1ec3u nh\u01b0 c\u00f4ng th\u1ee9c tr\u00ean.<br \/>\n4) Ch\u1ecdn Schedule th\u01b0\u01a1ng m\u1ea1i \u2265 t_nom; ki\u1ec3m tra t\u01b0\u01a1ng th\u00edch ph\u1ee5 ki\u1ec7n, ren, l\u1eafp \u0111\u1eb7t.<br \/>\n5) Ki\u1ec3m tra MAWP, \u00e1p su\u1ea5t th\u1eed:<br \/>\n&#8211; \u00c1p th\u1eed th\u1ee7y l\u1ef1c B31.3: Pt \u2248 1,5 \u00d7 P_design \u00d7 (S_test\/S_design) \u1edf 30\u00b0C (ho\u1eb7c theo y\u00eau c\u1ea7u d\u1ef1 \u00e1n).<\/p>\n<h2 id=\"toc-6-cac-luu-y-thuc-hanh-tai-cong-truong\">C\u00e1c l\u01b0u \u00fd th\u1ef1c h\u00e0nh t\u1ea1i c\u00f4ng tr\u01b0\u1eddng<\/h2>\n<p>&#8211; Kh\u00f4ng d\u00f9ng \u1ed1ng ASTM A554 cho d\u1ecbch v\u1ee5 \u00e1p l\u1ef1c.<br \/>\n&#8211; N\u1ebfu s\u1eed d\u1ee5ng \u1ed1ng ren, th\u01b0\u1eddng c\u1ea7n Schedule 40S tr\u1edf l\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00e0y ph\u1ea7n ch\u00e2n ren.<br \/>\n&#8211; \u1ed0ng h\u00e0n c\u1ea7n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n v\u00e0 nhi\u1ec7t luy\u1ec7n khi c\u1ea7n; E c\u00f3 th\u1ec3 < 1 n\u1ebfu kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u.\n- T\u1ea3i tr\u1ecdng ngo\u00e0i (treo\/\u0111\u1ee1, rung \u0111\u1ed9ng, gi\u00e3n n\u1edf nhi\u1ec7t) c\u00f3 th\u1ec3 chi ph\u1ed1i \u0111\u1ed9 d\u00e0y ho\u1eb7c y\u00eau c\u1ea7u b\u1ed5 sung (\u1ed1ng l\u00f3t ch\u1ed1ng m\u00e0i m\u00f2n, l\u00f3t PTFE\u2026).\n- V\u1edbi ch\u00e2n kh\u00f4ng\/\u00e1p ngo\u00e0i, c\u1ea7n t\u00ednh \u1ed5n \u0111\u1ecbnh v\u1ecf m\u1ecfng theo ti\u00eau chu\u1ea9n ri\u00eang (kh\u00e1c c\u00f4ng th\u1ee9c \u00e1p n\u1ed9i).\n- Lu\u00f4n \u0111\u1ed1i chi\u1ebfu phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n m\u1edbi nh\u1ea5t v\u00e0 h\u1ed3 s\u01a1 v\u1eadt li\u1ec7u t\u1eeb nh\u00e0 cung c\u1ea5p.\n\n\n\n<h2 id=\"toc-7-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; ASME B31.3 \u2013 Process Piping (thi\u1ebft k\u1ebf \u00e1p l\u1ef1c, c\u00f4ng th\u1ee9c t v\u00e0 MAWP).<br \/>\n&#8211; ASME B36.19M \u2013 Stainless Steel Pipe (k\u00edch th\u01b0\u1edbc\/Schedule \u1ed1ng Inox).<br \/>\n&#8211; ASTM A312\/A312M \u2013 Seamless, Welded Austenitic Stainless Steel Pipes.<br \/>\n&#8211; ASME Boiler &#038; Pressure Vessel Code, Section II, Part D \u2013 Allowable Stresses.<br \/>\n&#8211; EN 13480-3 \u2013 Metallic industrial piping \u2013 Part 3: Design and calculation.<br \/>\n&#8211; ISO 1127 \u2013 Stainless steel tubes \u2013 Dimensions, tolerances.<\/p>\n<h2 id=\"toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; \u0110\u1ed9 d\u00e0y y\u00eau c\u1ea7u t \u0111\u01b0\u1ee3c t\u00ednh tr\u1ef1c ti\u1ebfp t\u1eeb P, D, S, E, y; sau \u0111\u00f3 c\u1ed9ng d\u1ef1 ph\u00f2ng \u0103n m\u00f2n v\u00e0 x\u00e9t dung sai \u00e2m 12,5% \u0111\u1ec3 ch\u1ecdn b\u1ec1 d\u00e0y danh ngh\u0129a\/Schedule.<br \/>\n&#8211; Khi \u0111\u00e3 bi\u1ebft b\u1ec1 d\u00e0y, MAWP \u0111\u01b0\u1ee3c suy ra b\u1eb1ng c\u00f4ng th\u1ee9c ng\u01b0\u1ee3c, nh\u1edb tr\u1eeb \u0103n m\u00f2n v\u00e0 dung sai ch\u1ebf t\u1ea1o.<br \/>\n&#8211; Ch\u1ecdn Schedule theo B36.19M (5S\/10S\/40S\/80S) v\u00e0 ki\u1ec3m tra th\u00eam ren, ph\u1ee5 ki\u1ec7n, t\u1ea3i tr\u1ecdng ngo\u00e0i, v\u00e0 \u00e1p th\u1eed th\u1ee7y l\u1ef1c.<br \/>\n&#8211; Tra c\u1ee9u S theo nhi\u1ec7t \u0111\u1ed9 trong ASME II-D v\u00e0 lu\u00f4n tu\u00e2n th\u1ee7 phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh.<br \/>\nC\u1ea7n b\u1ea3ng tra nhanh v\u00e0 file t\u00ednh cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u 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 chu\u1ea9n x\u00e1c c\u00e1ch t\u00ednh \u00e1p l\u1ef1c l\u00e0m vi\u1ec7c v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng Inox theo ASME B31.3\/B36.19M, k\u00e8m v\u00ed d\u1ee5 th\u1ef1c t\u1ebf, l\u1ef1a ch\u1ecdn Schedule v\u00e0 l\u01b0u \u00fd thi c\u00f4ng.<\/p>\n","protected":false},"author":7,"featured_media":1065,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2112","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\/2112","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=2112"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2112\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1065"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}