... with one engineer team; high quality/competitive price Material:Carbon steel,low alloy steel:ZG20SiMn,ZG50Mn,ZG35SiMn,ZG35CrMo,ZG35SiMnMo,ZG42CrMo,ZG40Cr,ZG34CrNiMo,ZG40Mn ... rotary kiln casting parts,marine steel casting parts,sugar mill machinery parts with carbon steel or low alloy steel.The casting parts can be ... to obtain a smooth surface. rudder bearing for shipyard by carbon steel casting