we are professionla in supply steel casting parts for ball mill Product Name: Marine rudder/shaft/ sternpost system, such ... , sternpost, chain wheel, slag pot, etc.Material:Carbon steel,Low alloy steel: ZG20SiMn, ZG35SiMn, ZG35SiMnMo, ZG35CrMo, ZG42CrMo, ZG40Cr, ZG34CrNiMo, ZG40Mn , ZG50Mn ... wheel, slag pot with the material of carbon steel,low alloy steel and so on.More than 20 years experience, we ...