... or low alloy steel. Product Name: Marine rudder/shaft/ sternpost system, such as rudder blade, quill shaft,anvil stand,support ... joints for bridge,gear,integrated chassis,steel bracket,rudder pintle, sternpost, chain wheel, slag pot, etc.Material:Carbon steel,Low ... joints for bridge,gear,integrated chassis,steel bracket,rudder pintle, sternpost, chain wheel, slag pot with the material of carbon steel ...