product: brake disc material: Stainless steel process: sand casting condition: fully machined test: dynamic ... brake disc1) materials: grey iron, ductile iron, stainless steel, carbon steel, aluminum, copper alloy.2) standard:JIS,DIN,ASTM,BS ... deliverycontact info:Dalian Wills machine Co.LtdFacility Address: No.6 Taiping Industrial Zone, Pulandian City, Dalian, China 116023Office Address: Room 2308 ...