Making Metal Washers. Washers are made by the stamping process, which is completed on a power press. The washer form is determined by a die attached to the stamping or power press ram.
Washers can be fabricated from a variety of materials including, but not limited to: Steel – Carbon steel, spring steel, A2 (304) stainless steel, and A4 (316/316L) stainless steel. Non-ferrous metal – Copper, brass, aluminium, titanium, iron, bronze, and zinc. Alloy – Silicon bronze, Inconel, Monel, and Hastelloy.