Carbon Steel ASTM A672 CB 70 EFW Pipe
Carbon Steel ASTM A672 CA 55 EFW Pipe, CB 60, CB 65, CB 70
Product: ASTM A672 CA 55 Carbon Steel EFW Pipe. Plain Carbon steel grades：CA 55, CB 60, CB 65, CB 70,...
Product: ASTM A672 CA 55 Carbon Steel EFW Pipe. Plain Carbon steel grades：CA 55, CB 60, CB 65, CB 70,...