... certificate 5.only casting,rough or finished Material:Carbon steel,low alloy steel:ZG20SiMn,ZG50Mn,ZG35SiMn,ZG35CrMo,ZG35SiMnMo,ZG42CrMo,ZG40Cr,ZG34CrNiMo, ... parts,sugar mill machinery parts with carbon steel or low alloy steel.The casting parts can be supplied as following ... ,rudder blade,rudder hornZG200-400Ultrasonic test Grade 2 riding wheel for cement mill by steel casting with high quality