Stainless Steel Door Hinge 1. Material: Stainless steel 2. Finish: SC,SSS,PSS,PVD 3. Good quality and best price Products of Welding,Metal Stamping ProductsStainless Steel Door Hinge ... Material - stainless steel,carbon steel,hot rolled steel , copper, iron,etc.Making process--Punching,stamping,bending,welding,rivetingSurface treatment --galvanized ,copper plated , chrome plated, electroplated and so ...