Steel pipe sockets(galvanized&black) BRITISH STANDARD: BS1387,PIPE: BS 1387 BS EN10241, ... A733,ASTM A53,ANSI B1.20.1BS 1387,EN10241,ISO 7/1DIN 2982, DIN2440, DIN2999 Steel pipe socketsgalvanized&black EN10241DIN2986,DIN2448 ... A865, ANSI B1.20.1 DIN2986/ASTM 865 Black pipe sockets/couplings