... , Reducer, Crosses, End capsMATERIALCarbon Steel Butt Welding Pipe fitting:ASTM A234 WPB,WPC, A105; A420 WPL6,WPL9,WPL3, WPL8; WPHY42,46,52 ... ,60,65,70 Alloy Steel Butt Welding Pipe fitting:ASTM A234 WP1, WP12, WP11, WP22, WP5, WP7, WP8, and WP91 Stainless ...