Socket Welded Long Radius Elbow
Normally, the price of Socket Welded Long Radius Elbow is higher than Butt welded Long Radius Elbow in similar size. Because socket welded long radius elbow is easy to install. But it requires about 1/16 to socket into at the bottom of the pipe. This gap may causes the fillet weld of the joint to crack. Due to crevice corrosion, the socket welding is troublesome in corrosive fluids. Because of the discontinuity of the components in the smooth tube, it is easy to corrode.
Socket Weld (SW) accessories in ASME B16.11 require definition. As with socket welding, the pipe is inserted into the concave area of the pipe. For steel pipe and pipe fittings is square cutting, no groove end or preparation in addition to cleaning, leads easy welding and installation.
Product name: Long radius Elbow
Weld type: socket weld
Standard: ASME B16.11, DIN, GOST
Wall Thickness/ WT: Sch5S-Sch160, XS,XXS
Surface Treatment: Black painting, anti-rust varnish, anti-rust oil, hot galvanized, 3PE coating, epoxy coating.
Certificate:ISO 9001:2008 Certificate, CE Certificate, API Certificate
Stainless Steel: ASTM A403 WP304, 304L, 310, 316, 316L, 321, 347, 904L
Carbon Steel: ASTM A234 WPB, WPC ASTM A105 WPHY 42, 46, 52, 56, 60, 65, 70, 80
Alloy Steel: ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91 Low Temperature: ASTM A420 WPL 1, WPL 3, WPL 6
Socket welded pipe fittings resist around half strength of butt welding pipe fittings. So they are mainly used for small diameter pipeline/small bore pipe, with diameters NPS 2, may even smaller.
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