... degree elbow, Tee, Reducer, Crosses, End cap,MATERIALCarbon Steel Butt Welding Pipe fitting:ASTM A234 WPB,WPC, A105; A420 WPL6,WPL9 ... ; WPHY42,46,52,56,60,65,70 Alloy Steel Butt Welding Pipe fitting:ASTM A234 WP1, WP12, WP11, WP22, WP5, WP7 ... , WP8, and WP91 Stainless Steel Butt Welding Pipe fitting:ASME A403 WP304,304L,316,316L, 319, 310S ...