... ,etc. 4)material:cs,ss,alloy BG BW pipe fitting 180 Degree Bend sizeSeamless:from 1/2" to 24"Welded:from ... customer requirements)angle22.5 deg, 30deg,45 deg,90 deg,180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D ... , ISOmaterialCarbon steel(ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#,A3, Q235A, 20G,16Mn, ect)Stainless steel(ASTM A403 WP304,304L ...