... or according to customers requirement.Type Butt-welded seamless carbon steel pipe capsWall thickness Std, S40, S60, S80, Xs, ... hot-forming, heat pushing, machine work, forging, molding and heat treatment. 3.Detection Of Steel Pipe Cap The Company has nondestructive ... inspection of products. 4.Finish Product Of Steel Pipe Cap5.ISO Certificate For Steel Pipe Cap6.Why Us? Tianjin YouXinDa International ...