PIPE ELBOW 1.Certificate:API,ISO,CCS,SGS 2.Size:1/2" to 72" 3.Thickness:sch5s-sch160,XS,XXS 4.Standard:ASME,DIN,JIS,BS Pipe Elbow TypeButt welded pipe fittingsSizeSeamless 1/2" To 24" Welded To 72"Wall thicknessSch5S-Sch160, XS,XXSStandardsANSI, ASTM,DIN, JIS, BS, ISO, GB, SH, AND HG etc MaterialStainless Steel: ASTM A403 WP304, 304L, 310, 316, 316L, 321, 347, 904L Carbon Steel: ASTM A234 WPB, ...