{"id":1082,"date":"2026-04-26T20:51:22","date_gmt":"2026-04-27T00:51:22","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1082"},"modified":"2026-04-27T08:03:14","modified_gmt":"2026-04-27T12:03:14","slug":"slip-on-vs-weld-neck-flange-comparison-oil-gas-drilling-service-guide","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/fr\/2026\/04\/26\/slip-on-vs-weld-neck-flange-comparison-oil-gas-drilling-service-guide\/","title":{"rendered":"Comparaison des brides \u00e0 embo\u00eeter et des brides \u00e0 souder Oil Gas Drilling Service Guide"},"content":{"rendered":"<h2>Slip On vs Weld Neck Flange Complete Comparison Guide<\/h2>\n<p>Choosing between slip on and weld neck flanges is one of the most common decisions in pipeline engineering. This comprehensive comparison helps you select the right flange type for your industrial application.<\/p>\n<h3>Structural Design Differences<\/h3>\n<h4>Slip On Flange<\/h4>\n<ul>\n<li>Flat hub design slides over pipe end<\/li>\n<li>Fillet weld on inside and outside<\/li>\n<li>Un processus de fabrication plus simple<\/li>\n<li>Co\u00fbt inf\u00e9rieur des mat\u00e9riaux<\/li>\n<\/ul>\n<h4>Weld Neck Flange<\/h4>\n<ul>\n<li>Moyeu conique long pour le soudage bout \u00e0 bout<\/li>\n<li>Full penetration weld<\/li>\n<li>Gradual stress transition<\/li>\n<li>Superior structural integrity<\/li>\n<\/ul>\n<h3>Performance Comparison Table<\/h3>\n<table>\n<tr>\n<th>Facteur<\/th>\n<th>Slip On<\/th>\n<th>Collet \u00e0 souder<\/th>\n<\/tr>\n<tr>\n<td>Co\u00fbt initial<\/td>\n<td>30-40% inf\u00e9rieur<\/td>\n<td>Higher initial cost<\/td>\n<\/tr>\n<tr>\n<td>Installation<\/td>\n<td>Easier alignment<\/td>\n<td>Requires welding skill<\/td>\n<\/tr>\n<tr>\n<td>Pression nominale<\/td>\n<td>Class 150-600<\/td>\n<td>Class 150-2500<\/td>\n<\/tr>\n<tr>\n<td>Plage de temp\u00e9rature<\/td>\n<td>-20 to 400C<\/td>\n<td>-200 to 800C<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la fatigue<\/td>\n<td>Mod\u00e9r\u00e9<\/td>\n<td>Excellent<\/td>\n<\/tr>\n<tr>\n<td>Chargement cyclique<\/td>\n<td>Non recommand\u00e9<\/td>\n<td>Highly suitable<\/td>\n<\/tr>\n<\/table>\n<h3>Bride avec service de forage pour le p\u00e9trole et le gaz<\/h3>\n<p>Oil and gas applications require precise drilling patterns and high-pressure ratings:<\/p>\n<h4>Drilling Standards<\/h4>\n<ul>\n<li>ASME B16.5: American standard bolt patterns<\/li>\n<li>API 6A: Wellhead equipment specifications<\/li>\n<li>Custom drilling per client requirements<\/li>\n<\/ul>\n<h4>Applications p\u00e9troli\u00e8res et gazi\u00e8res<\/h4>\n<ul>\n<li>\u00c9quipement de t\u00eate de puits<\/li>\n<li>Collecteurs de canalisations<\/li>\n<li>Tuyauterie de raffinerie<\/li>\n<li>Plates-formes offshore<\/li>\n<li>Terminaux GNL<\/li>\n<\/ul>\n<h4>Exigences mat\u00e9rielles<\/h4>\n<ul>\n<li>ASTM A105: Standard carbon steel<\/li>\n<li>ASTM A350 LF2: Low temperature service<\/li>\n<li>ASTM A182 F11\/F22: High temperature<\/li>\n<li>NACE MR0175: Sour service compliance<\/li>\n<\/ul>\n<h3>Bride en acier alli\u00e9 \u00e0 haute pression Exportateur<\/h3>\n<p>Extreme pressure applications require specialized alloy materials:<\/p>\n<h4>Alloy Steel Grades<\/h4>\n<table>\n<tr>\n<th>Grade<\/th>\n<th>Composition<\/th>\n<th>Temp. max.<\/th>\n<th>Applications<\/th>\n<\/tr>\n<tr>\n<td>F11<\/td>\n<td>1,25Cr-0,5Mo<\/td>\n<td>550C<\/td>\n<td>Steam lines<\/td>\n<\/tr>\n<tr>\n<td>F22<\/td>\n<td>2.25Cr-1Mo<\/td>\n<td>580C<\/td>\n<td>Refineries<\/td>\n<\/tr>\n<tr>\n<td>F91<\/td>\n<td>9Cr-1Mo-V-Nb<\/td>\n<td>620C<\/td>\n<td>Power plants<\/td>\n<\/tr>\n<tr>\n<td>F5<\/td>\n<td>5Cr-0,5Mo<\/td>\n<td>600C<\/td>\n<td>Process piping<\/td>\n<\/tr>\n<\/table>\n<h4>Classes de pression<\/h4>\n<ul>\n<li>Classe 600 : jusqu'\u00e0 110 bar<\/li>\n<li>Classe 900 : jusqu'\u00e0 165 bars<\/li>\n<li>Classe 1500 : jusqu'\u00e0 276 bars<\/li>\n<li>Classe 2500 : jusqu'\u00e0 460 bars<\/li>\n<\/ul>\n<h3>Selection Guidelines by Application<\/h3>\n<h4>Choose Slip On When :<\/h4>\n<ul>\n<li>Le budget est la premi\u00e8re pr\u00e9occupation<\/li>\n<li>Pression faible \u00e0 moyenne (classe 150-300)<\/li>\n<li>Applications non critiques<\/li>\n<li>Water, air, low-pressure steam<\/li>\n<li>Acc\u00e8s facile pour l'entretien<\/li>\n<\/ul>\n<h4>Choisir le col soud\u00e9 quand :<\/h4>\n<ul>\n<li>Pression ou temp\u00e9rature \u00e9lev\u00e9e<\/li>\n<li>Conditions de charge cyclique<\/li>\n<li>Lignes de processus critiques<\/li>\n<li>Oil and gas applications<\/li>\n<li>Fiabilit\u00e9 \u00e0 long terme requise<\/li>\n<li>Thermal cycling expected<\/li>\n<\/ul>\n<h3>Cost Analysis<\/h3>\n<h4>Total Installed Cost<\/h4>\n<p>While slip on flanges have lower material costs, consider:<\/p>\n<ul>\n<li>Material cost: Slip on 30-40% cheaper<\/li>\n<li>Installation labor: Similar for both<\/li>\n<li>Maintenance: Weld neck requires less<\/li>\n<li>Lifecycle: Weld neck lasts longer<\/li>\n<\/ul>\n<h3>Certifications de qualit\u00e9<\/h3>\n<ul>\n<li>ISO 9001:2015 Gestion de la qualit\u00e9<\/li>\n<li>PED 2014\/68\/EU Pressure Equipment<\/li>\n<li>CE Marking for European export<\/li>\n<li>API 6A for oil and gas<\/li>\n<li>NACE for sour service<\/li>\n<\/ul>\n<p>Songhai Flange supplies both slip on and weld neck flanges with complete drilling services for oil and gas applications. High pressure alloy steel flanges available with full certification for export.<\/p>\n<p><strong>WhatsApp :<\/strong>\u00a0+86-18658777855<br \/>\n<strong>Courriel :<\/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-1480\" src=\"http:\/\/www.songhaiflanges.com\/wp-content\/uploads\/2026\/04\/4-1.webp\" alt=\"\" width=\"1290\" height=\"2317\" title=\"\"><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Slip On vs Weld Neck Flange Complete Comparison Guide Choosing between slip on and weld neck flanges is one of the most common decisions in pipeline engineering. This comprehensive comparison helps you select the right flange type for your industrial application. Structural Design Differences Slip On Flange Flat hub design slides over pipe end Fillet [&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":[66,72,68,67],"class_list":["post-1082","post","type-post","status-publish","format-standard","hentry","category-blog","tag-flange","tag-rating","tag-slipon","tag-weldneck"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/1082","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/comments?post=1082"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/1082\/revisions"}],"predecessor-version":[{"id":1102,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/1082\/revisions\/1102"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/media?parent=1082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/categories?post=1082"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/tags?post=1082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}