... marine and cement machinery parts with the material of carbon or low alloy steel. Product Name: Marine rudder/shaft/ sternpost ... for bridge,gear,integrated chassis,steel bracket,rudder pintle, sternpost, chain wheel, slag pot, etc.Material:Carbon steel,Low alloy steel: ... bridge,gear,integrated chassis,steel bracket,rudder pintle, sternpost, chain wheel, slag pot with the material of carbon steel,low ...