... Malleable iron; Tungsten steel, etc.2. Machining processes: Metal fabrication, machining, welding, forming, shaping, punching, drilling, turning, milling, ... Polishing, zinc plating, nickel plating, chrome plating, powder coating, e-coating, dip coating, phosphate coating, anodize, ... PVC powder coating, dichromate plating, decrement plating, etc.4. ...