... S60, S80, Xs,FinishSatin, polish Surface treatmentTransparent oil, rust-proof black oil or hot galvanized.Standard ASME/ANSI B16.9, JISApplicationOil ... machine work, forging, molding and heat treatment. 3.Detection Of Black Malleable Iron Pipe Cap The Company has nondestructive testing apparatus ... etc. We are looking forward to working with you! Black Malleable Iron Pipe Caps Manufacturer From Tianjin