Forged Carbon Steel, SORF, serrated finish class, 300#,Dim.std ANSI B 16.11, material spec ASTM A105 Forged Carbon Steel, SORF, serrated finish class, 300#,Dim.std ANSI B 16.11, material spec ASTM A105Carbon steel Welded pipe fittings, Sch. 40, BW ends.Black color