{"id":122,"date":"2021-10-01T07:11:51","date_gmt":"2021-10-01T07:11:51","guid":{"rendered":"https:\/\/www.rajendrapipes.com\/blog\/?p=122"},"modified":"2023-06-28T09:52:14","modified_gmt":"2023-06-28T04:22:14","slug":"what-are-the-differences-between-socket-weld-fitting-and-butt-weld-fitting","status":"publish","type":"post","link":"https:\/\/www.rajendrapipes.com\/blog\/what-are-the-differences-between-socket-weld-fitting-and-butt-weld-fitting\/","title":{"rendered":"What Are The Differences Between Socket Weld Fitting And Butt Weld Fitting"},"content":{"rendered":"<div class=\"ttr_start\"><\/div><p>There are various ways for pipes, fittings, flanges, and valves to connect, <i>socket weld<\/i>\u00a0and\u00a0<i>butt weld<\/i>\u00a0are the two popular. However, you might be confused about\u00a0what are the differences between socket weld fittings and butt welding fittings, and which one would be best for your construction projects, as they all seem to have their pros and cons.<\/p>\n<h2>What is a socket weld?<\/h2>\n<ul>\n<li aria-level=\"1\">Socket welding (SW) is the welding method for inserting tubes. It welded two pieces of a tube of different sizes, the smaller one is inserted into the larger one. The weld is completely around the periphery of the large pipe and is a fillet weld.<\/li>\n<li aria-level=\"1\">Socket welding components contain\u00a0socket weld flanges\u00a0and\u00a0<a href=\"https:\/\/www.rajendrapipes.com\/stainless-steel-socketweld-fittings-manufacturer-supplier.html\" rel=\"noopener\"><strong>socket weld pipe fittings<\/strong><\/a>(contain\u00a0<i>s<\/i>ocket weld 45\/90 degree elbows, socket weld tees, socket weld caps, socket weld cross, socket weld coupling, socket weld union, socket).<\/li>\n<\/ul>\n<h2>What is a butt weld?<\/h2>\n<ul>\n<li aria-level=\"1\">Butt welding is the corresponding welding of pipe and pipe fittings, pipe fittings and flanges, or pipe and pipe fittings of the same diameter. The end of butt weld fittings shall be beveled.<\/li>\n<li aria-level=\"1\">Butt welding components contain\u00a0weld neck flanges\u00a0and\u00a0<a href=\"https:\/\/www.rajendrapipes.com\/stainless-steel-buttweld-fittings-manufacturer-supplier.html\" rel=\"noopener\"><strong>butt welding pipe fittings<\/strong><\/a>(contain butt welding 45\/90\/180 degree elbow, butt welding tee, butt welding cap, butt welding bend, butt welding cross, butt welding reducer, wallet).<\/li>\n<\/ul>\n<h3>Different diameters of socket weld fittings and butt weld fittings<\/h3>\n<ul>\n<li aria-level=\"1\">Socket weld\u00a0is generally used for welding pipes, which are small in diameter. Commonly used specifications are diameters less than DN50 and the largest diameter is DN100 (or 4&#8221;). Butt weld\u00a0is widely used for pipes with big and small diameters.<\/li>\n<\/ul>\n<h3>Different welding grooves and welding seams of socket weld fittings and butt weld fittings<\/h3>\n<ul>\n<li aria-level=\"1\">Usually, there should be a beveled end from 30 to 37.5\u00b0 for butt welding to fill the welding bead. Of course, there will be a compound beveled end for super thick walls.<\/li>\n<li aria-level=\"1\">Socket welding doesn\u2019t require a level, and it can directly weld the part. The\u00a0socket weld seams are fillet welds.<\/li>\n<li aria-level=\"1\">Considering the factor of the strength of the weld, the force condition, and so on, butt welding is better than socket welding.<\/li>\n<\/ul>\n<h3>Different non-destructive testing of socket weld fittings and butt weld fittings<\/h3>\n<ul>\n<li aria-level=\"1\">The\u00a0non-destructive testing methods\u00a0for socket welding are\u00a0magnetic particle testing(MT) and\u00a0penetrant testing(PT). Magnetic particle test is used for carbon steel parts and penetrant test is used for SS parts. Butt welding requirements are higher than socket welding requirements\u00a0as well as the testing requirements. The butt welding shall be 100% tested to ensure no leakage\u00a0and it is necessary to do a radiographic inspection.<\/li>\n<\/ul>\n<h3>Different prices of socket weld fittings and butt weld fittings<\/h3>\n<ul>\n<li aria-level=\"1\">Normally, the price of socket weld fittings is higher than butt weld fittings of similar size, butt welding fittings need extra cost because it would also be more difficult to weld and fit up properly. It would therefore require more time and the experience of experienced welders.<\/li>\n<li aria-level=\"1\">The socket weld is easy to install. But it requires approx 1\/16\u2033of of the gap at the bottom of the pipe to socket into, to allow thermal expansion. This gap can lead to overstress problem that cracks the fillet weld of the fitting. Socket weld is troublesome in corrosive fluid service due to crevice corrosion. And it is easy to corrode due to the discontinuity of the smooth pipe internals.<\/li>\n<\/ul>\n<div class=\"ttr_end\"><\/div>","protected":false},"excerpt":{"rendered":"<p>There are various ways for pipes, fittings, flanges, and valves to connect, socket weld\u00a0and\u00a0butt weld\u00a0are the two popular. However, you&hellip;<\/p>\n","protected":false},"author":2,"featured_media":314,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[8,7],"class_list":["post-122","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fittings-blog","tag-butt-weld-fitting","tag-socket-weld-fitting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.12 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Are The Differences Between Socket Weld Fitting &amp; Butt Weld Fitting<\/title>\n<meta name=\"description\" content=\"What Are The Differences Between Socket Weld Fitting And Butt Weld Fitting?. There are various ways for pipes, fittings, &amp; flanges.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rajendrapipes.com\/blog\/what-are-the-differences-between-socket-weld-fitting-and-butt-weld-fitting\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Are The Differences Between Socket Weld Fitting &amp; Butt Weld Fitting\" \/>\n<meta property=\"og:description\" content=\"What Are The Differences Between Socket Weld Fitting And Butt Weld Fitting?. 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