Clutch Pressure Plate is a stress bearing component in the clutch assembly.
Cast iron alloys like grey iron GG30, GG25 (Germany standard DIN 1691) are commonly used for clutch pressure plate castings. These materials have high compressive strength, low tensile strength and no ductility.
The following photo is a cast iron clutch pressure plate part that made of grey cast iron HT250 (China standard GB 9439) material, with BH160-220 Brinell hardness. The casting module for it could be sand casting, clay sand casting or green sand casting.
cast iron clutch pressure plate part
The machining requirements for the cast iron clutch pressure plate is to be grinding to mirror for top and bottom side. The inspection methods are visual, dimensional and X-ray inspection.