... steel , stainless steel 304, 316L, 316 etc.free options for post-treatment: polishing, powder coating, painting, plating, anodizing ... various metal spinning parts, spun metal parts, metal spinnings, CNC metal spinning parts, metal spinning, spun metal parts, spinning cones ... lamp shade, metal stritching parts, reflectors, fan parts, case bottoms 1. The material for spinning metal parts are as below: ...