we are professionla in supply steel casting parts for ball mill Product Name: Marine rudder/shaft/ sternpost system, such as ... for bridge,gear,integrated chassis,steel bracket,rudder pintle, sternpost, chain wheel, slag pot, etc.Material:Carbon steel,Low alloy ... integrated chassis,steel bracket,rudder pintle, sternpost, chain wheel, slag pot with the material of carbon steel,low alloy steel and so ...