{"id":1050,"date":"2026-04-22T20:12:25","date_gmt":"2026-04-23T00:12:25","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1050"},"modified":"2026-04-22T20:21:24","modified_gmt":"2026-04-23T00:21:24","slug":"slip-on-vs-weld-neck-flange-comparison-high-pressure-alloy-steel-guide","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/vi\/2026\/04\/22\/slip-on-vs-weld-neck-flange-comparison-high-pressure-alloy-steel-guide\/","title":{"rendered":"So s\u00e1nh m\u1eb7t b\u00edch tr\u01b0\u1ee3t v\u00e0 m\u1eb7t b\u00edch h\u00e0n c\u1ed5: H\u01b0\u1edbng d\u1eabn v\u1ec1 th\u00e9p h\u1ee3p kim ch\u1ecbu \u00e1p su\u1ea5t cao"},"content":{"rendered":"<h2>So s\u00e1nh to\u00e0n di\u1ec7n gi\u1eefa m\u1eb7t b\u00edch tr\u01b0\u1ee3t v\u00e0 m\u1eb7t b\u00edch h\u00e0n c\u1ed5<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa m\u1eb7t b\u00edch tr\u01b0\u1ee3t v\u00e0 m\u1eb7t b\u00edch h\u00e0n c\u1ed5 ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u v\u1ec1 \u00e1p su\u1ea5t, h\u1ea1n ch\u1ebf v\u1ec1 ng\u00e2n s\u00e1ch v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u00fap b\u1ea1n \u0111\u01b0a ra l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p c\u1ee7a m\u00ecnh.<\/p>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac<\/h3>\n<h4>Thi\u1ebft k\u1ebf m\u1eb7t b\u00edch tr\u01b0\u1ee3t<\/h4>\n<ul>\n<li>Tr\u1ee5c ph\u1eb3ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 l\u1edbn h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a \u1ed1ng<\/li>\n<li>Tr\u01b0\u1ee3t qua \u0111\u1ea7u \u1ed1ng \u0111\u1ec3 h\u00e0n g\u00f3c<\/li>\n<li>\u0110\u01b0\u1ee3c h\u00e0n c\u1ea3 b\u00ean trong l\u1eabn b\u00ean ngo\u00e0i<\/li>\n<li>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u01a1n gi\u1ea3n h\u01a1n<\/li>\n<\/ul>\n<h4>Thi\u1ebft k\u1ebf m\u1eb7t b\u00edch c\u1ed5 h\u00e0n<\/h4>\n<ul>\n<li>\u0110\u1ea7u n\u1ed1i d\u00e0i thu\u00f4n nh\u1ecdn d\u00f9ng cho h\u00e0n \u0111\u1ed1i \u0111\u1ea7u<\/li>\n<li>S\u1ef1 chuy\u1ec3n ti\u1ebfp \u1ee9ng su\u1ea5t t\u1eeb m\u1eb7t b\u00edch sang \u1ed1ng<\/li>\n<li>M\u1ed1i h\u00e0n xuy\u00ean su\u1ed1t \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 b\u1ec1n t\u1ed1i \u0111a<\/li>\n<li>C\u00e1c quy tr\u00ecnh r\u00e8n v\u00e0 gia c\u00f4ng ph\u1ee9c t\u1ea1p h\u01a1n<\/li>\n<\/ul>\n<h3>So s\u00e1nh hi\u1ec7u n\u0103ng<\/h3>\n<table>\n<tr>\n<th>Y\u1ebfu t\u1ed1<\/th>\n<th>Gi\u00e0y l\u01b0\u1eddi<\/th>\n<th>C\u1ed5 h\u00e0n<\/th>\n<\/tr>\n<tr>\n<td>Chi ph\u00ed ban \u0111\u1ea7u<\/td>\n<td>30-40% ph\u00eda d\u01b0\u1edbi<\/td>\n<td>Cao h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Chi ph\u00ed l\u1eafp \u0111\u1eb7t<\/td>\n<td>Th\u1ea5p h\u01a1n (d\u1ec5 c\u0103n ch\u1ec9nh h\u01a1n)<\/td>\n<td>Cao h\u01a1n (k\u1ef9 n\u0103ng h\u00e0n)<\/td>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c<\/td>\n<td>Trung b\u00ecnh (Lo\u1ea1i 150\u2013600)<\/td>\n<td>Cao (Lo\u1ea1i 150\u20132500)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n m\u1ecfi<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Tuy\u1ec7t v\u1eddi<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>-20 \u0111\u1ebfn 400\u00b0C<\/td>\n<td>-200 \u0111\u1ebfn 800\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea3i tr\u1ecdng tu\u1ea7n ho\u00e0n<\/td>\n<td>Kh\u00f4ng n\u00ean<\/td>\n<td>Tuy\u1ec7t v\u1eddi<\/td>\n<\/tr>\n<\/table>\n<h3>M\u1eb7t b\u00edch th\u00e9p h\u1ee3p kim ch\u1ecbu \u00e1p su\u1ea5t cao<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao, m\u1eb7t b\u00edch b\u1eb1ng th\u00e9p h\u1ee3p kim mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<h4>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u h\u1ee3p kim th\u00f4ng d\u1ee5ng<\/h4>\n<ul>\n<li><strong>ASTM A182 F11:<\/strong> 1.25% Crom, 0.5% Molypden<\/li>\n<li><strong>ASTM A182 F22:<\/strong> 2.25% Crom, 1% Molypden<\/li>\n<li><strong>ASTM A182 F91:<\/strong> 91% Cr, 3% P, 11% Mo, V, Nb<\/li>\n<li><strong>ASTM A335 P5:<\/strong> 5% Crom, 0,5% Molypden<\/li>\n<\/ul>\n<h4>\u1ee8ng d\u1ee5ng<\/h4>\n<ul>\n<li>\u0110\u01b0\u1eddng \u1ed1ng h\u01a1i n\u01b0\u1edbc trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/li>\n<li>Nh\u00e0 m\u00e1y l\u1ecdc h\u00f3a d\u1ea7u<\/li>\n<li>N\u1ed3i h\u01a1i \u00e1p su\u1ea5t cao<\/li>\n<li>H\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn c\u1ee7a b\u1ed9 gia nhi\u1ec7t v\u00e0 b\u1ed9 t\u00e1i gia nhi\u1ec7t<\/li>\n<li>D\u1ecbch v\u1ee5 hydro<\/li>\n<\/ul>\n<h4>C\u00e1c c\u1ea5p \u0111\u1ed9 \u00e1p su\u1ea5t<\/h4>\n<ul>\n<li>Lo\u1ea1i 600: T\u1ed1i \u0111a 110 bar<\/li>\n<li>Lo\u1ea1i 900: T\u1ed1i \u0111a 165 bar<\/li>\n<li>Lo\u1ea1i 1500: T\u1ed1i \u0111a 276 bar<\/li>\n<li>Lo\u1ea1i 2500: T\u1ed1i \u0111a 460 bar<\/li>\n<\/ul>\n<h3>Ph\u1ee5 ki\u1ec7n m\u1eb7t b\u00edch cho nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc<\/h3>\n<p>C\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc c\u00f3 nh\u1eefng y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 m\u1eb7t b\u00edch:<\/p>\n<h4>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/h4>\n<ul>\n<li><strong>Th\u00e9p cacbon (A105):<\/strong> N\u01b0\u1edbc th\u00f4, n\u01b0\u1edbc \u0111\u00e3 qua x\u1eed l\u00fd<\/li>\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9 304:<\/strong> N\u01b0\u1edbc s\u1ea1ch, \u0111\u1ea1t ti\u00eau chu\u1ea9n th\u1ef1c ph\u1ea9m<\/li>\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9 316:<\/strong> N\u01b0\u1edbc clo, n\u01b0\u1edbc bi\u1ec3n<\/li>\n<li><strong>C\u0103n h\u1ed9 hai t\u1ea7ng 2205:<\/strong> H\u00f3a ch\u1ea5t c\u00f3 t\u00ednh \u0103n m\u00f2n m\u1ea1nh<\/li>\n<\/ul>\n<h4>C\u00e1c k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn<\/h4>\n<ul>\n<li>\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf: DN15\u2013DN50 (thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng)<\/li>\n<li>D\u00f2ng s\u1ea3n ph\u1ea9m: DN80\u2013DN300<\/li>\n<li>C\u00e1c k\u00edch th\u01b0\u1edbc ch\u00ednh: DN350\u2013DN600<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh l\u1edbn: DN700+ (c\u1ed1ng x\u1ea3)<\/li>\n<\/ul>\n<h3>M\u1eb7t b\u00edch k\u00e8m d\u1ecbch v\u1ee5 khoan cho ng\u00e0nh d\u1ea7u kh\u00ed<\/h3>\n<p>C\u00e1c m\u1eabu khoan t\u00f9y ch\u1ec9nh \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3:<\/p>\n<h4>C\u00e1c m\u1eabu khoan ti\u00eau chu\u1ea9n<\/h4>\n<ul>\n<li>ASME B16.5: Ti\u00eau chu\u1ea9n c\u1ee7a Hoa K\u1ef3<\/li>\n<li>EN 1092-1: Ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u<\/li>\n<li>JIS B2220: Ti\u00eau chu\u1ea9n Nh\u1eadt B\u1ea3n<\/li>\n<li>GB\/T: Ti\u00eau chu\u1ea9n Trung Qu\u1ed1c<\/li>\n<\/ul>\n<h4>D\u1ecbch v\u1ee5 khoan theo y\u00eau c\u1ea7u<\/h4>\n<ul>\n<li>V\u00f2ng tr\u00f2n bu-l\u00f4ng kh\u00f4ng ti\u00eau chu\u1ea9n<\/li>\n<li>L\u1ed7 bu l\u00f4ng qu\u00e1 kh\u1ed5<\/li>\n<li>Khoan b\u1ed5 sung<\/li>\n<li>M\u1edf r\u1ed9ng l\u1ed7<\/li>\n<li>C\u00e1c r\u00e3nh \u0111\u1ec7m \u0111\u1eb7c bi\u1ec7t<\/li>\n<\/ul>\n<h3>M\u1eb7t b\u00edch ren cho \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf<\/h3>\n<p>M\u1eb7t b\u00edch ren cho ph\u00e9p k\u1ebft n\u1ed1i kh\u00f4ng c\u1ea7n h\u00e0n \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf:<\/p>\n<h4>\u01afu \u0111i\u1ec3m<\/h4>\n<ul>\n<li>Kh\u00f4ng c\u1ea7n h\u00e0n<\/li>\n<li>C\u00e0i \u0111\u1eb7t nhanh<\/li>\n<li>D\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn \u0111\u1ec3 b\u1ea3o tr\u00ec<\/li>\n<li>Th\u00edch h\u1ee3p cho c\u00e1c khu v\u1ef1c nguy hi\u1ec3m<\/li>\n<\/ul>\n<h4>H\u1ea1n ch\u1ebf<\/h4>\n<ul>\n<li>Ch\u1ec9 \u00e1p d\u1ee5ng cho NPS 4 tr\u1edf xu\u1ed1ng<\/li>\n<li>Gi\u00e1 tr\u1ecb \u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c th\u1ea5p h\u01a1n<\/li>\n<li>Nguy c\u01a1 \u0103n m\u00f2n ren<\/li>\n<li>Kh\u00f4ng d\u00f9ng cho qu\u00e1 tr\u00ecnh nhi\u1ec7t tu\u1ea7n ho\u00e0n<\/li>\n<\/ul>\n<h4>Ti\u00eau chu\u1ea9n ren<\/h4>\n<ul>\n<li>NPT (ANSI B1.20.1): Ti\u00eau chu\u1ea9n B\u1eafc M\u1ef9<\/li>\n<li>BSP (ISO 228): Ch\u00e2u \u00c2u\/Ch\u00e2u \u00c1<\/li>\n<li>PT (JIS B0203): Ti\u1ebfng Nh\u1eadt<\/li>\n<\/ul>\n<h3>D\u1ecbch v\u1ee5 s\u1eeda ch\u1eefa v\u00e0 gia c\u00f4ng m\u1eb7t b\u00edch<\/h3>\n<p>Khi c\u00e1c m\u1eb7t b\u00edch b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c c\u1ea7n ph\u1ea3i s\u1eeda \u0111\u1ed5i:<\/p>\n<h4>D\u1ecbch v\u1ee5 s\u1eeda ch\u1eefa<\/h4>\n<ul>\n<li>T\u00e1i t\u1ea1o b\u1ec1 m\u1eb7t da<\/li>\n<li>Gia c\u00f4ng l\u1ed7<\/li>\n<li>S\u1eeda ch\u1eefa l\u1ed7 bu-l\u00f4ng<\/li>\n<li>L\u1edbp ph\u1ee7 h\u00e0n<\/li>\n<li>X\u1eed l\u00fd nhi\u1ec7t<\/li>\n<\/ul>\n<h4>Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng<\/h4>\n<ul>\n<li>Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc<\/li>\n<li>Th\u1eed nghi\u1ec7m \u0111\u1ed9 c\u1ee9ng<\/li>\n<li>\u0110o \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t<\/li>\n<li>Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t<\/li>\n<\/ul>\n<h3>H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn<\/h3>\n<h4>N\u00ean ch\u1ecdn gi\u00e0y l\u01b0\u1eddi trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0o:<\/h4>\n<ul>\n<li>Ng\u00e2n s\u00e1ch l\u00e0 v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u<\/li>\n<li>\u00c1p su\u1ea5t th\u1ea5p \u0111\u1ebfn trung b\u00ecnh (Lo\u1ea1i 150\u2013300)<\/li>\n<li>C\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng quan tr\u1ecdng<\/li>\n<li>C\u1ea7n c\u00f3 l\u1ed1i ti\u1ebfp c\u1eadn thu\u1eadn ti\u1ec7n \u0111\u1ec3 b\u1ea3o tr\u00ec<\/li>\n<\/ul>\n<h4>N\u00ean ch\u1ecdn c\u1ed5 h\u00e0n trong tr\u01b0\u1eddng h\u1ee3p:<\/h4>\n<ul>\n<li>\u00c1p su\u1ea5t cao ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n t\u1ea3i tr\u1ecdng tu\u1ea7n ho\u00e0n<\/li>\n<li>C\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t then ch\u1ed1t<\/li>\n<li>Y\u00eau c\u1ea7u \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i<\/li>\n<\/ul>\n<p>Songhai Flange cung c\u1ea5p c\u00e1c lo\u1ea1i m\u1eb7t b\u00edch tr\u01b0\u1ee3t, m\u1eb7t b\u00edch h\u00e0n c\u1ed5 v\u00e0 m\u1eb7t b\u00edch ren l\u00e0m t\u1eeb th\u00e9p carbon, th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u h\u1ee3p kim. Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 khoan, gia c\u00f4ng v\u00e0 s\u1eeda ch\u1eefa theo y\u00eau c\u1ea7u cho c\u00e1c \u1ee9ng d\u1ee5ng trong ng\u00e0nh d\u1ea7u kh\u00ed, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n<p><strong>WhatsApp:<\/strong>\u00a0+86-18658777855<br \/>\n<strong>Email:<\/strong>\u00a01007788887@qq.com<br \/>\n<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"http:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp\" alt=\"\" width=\"1290\" height=\"2317\" title=\"\" srcset=\"https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp 1290w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-167x300.webp 167w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-570x1024.webp 570w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-768x1379.webp 768w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-855x1536.webp 855w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-1140x2048.webp 1140w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-7x12.webp 7w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-416x747.webp 416w\" sizes=\"auto, (max-width: 1290px) 100vw, 1290px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Slip On vs Weld Neck Flange Complete Comparison Choosing between slip on and weld neck flanges depends on pressure requirements, budget constraints, and application specifics. This guide helps you make the right selection for your industrial pipeline. Structural Differences Slip On Flange Design Flat hub with slightly larger bore than pipe OD Slides over pipe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[66,72,68,104,67],"class_list":["post-1050","post","type-post","status-publish","format-standard","hentry","category-blog","tag-flange","tag-rating","tag-slipon","tag-threaded","tag-weldneck"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/1050","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/comments?post=1050"}],"version-history":[{"count":3,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/1050\/revisions"}],"predecessor-version":[{"id":1058,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/1050\/revisions\/1058"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/media?parent=1050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/categories?post=1050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/tags?post=1050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}