... work Material: Invar,steel, stainless steel, aluminum, brass, alloy... Finish: heat treated, oxided, plated, blastedServiceMachining workMaterialsteel, stainless steel, Invar, carbon steel, free cutting steel, aluminum, brass, copper ... keeping low stock rate. Material we can work on:Stainless Steel - AISI SUS 302, 303, 304, 316, 316L, 416, 430F, 440C, 630 and ...