... .Roughness:Ra0.8-Ra1.6 4.no cracks,pores etc on the surface High Precisional Stainless Steel Casting Part Production rangeMost of our ... , Weight: ranging from 0.50g to 1000kg4,Surface finish: polishing, oiled(rust-prevented), zinc-plated, chrome-plated, hot-galvanized, sandblasting, painting, powder ...