... Standard:ASME B 16.11 Type Elbow,Tee, Thread,Cap,Nipple,StandardASTM B16.9, ASTM B16.11, ASTM B16.5; JIS B2311,JIS ... ,ASTM A860 WPHY 70, WPHY 65, WPHY 60, WPHY 52,WPHY 46,WPHY 42,API 5L GRB, X60, X65, X42,X52,ASTM A403 ... WP304, A403 WP304L, A403 WP316, A403 WP316L, A403 WP321ASTM A182 F 304, 304L,316, 316L,904LASTM ...