... quill shaft,anvil stand,support roller,cast steel joints for bridge,gear,integrated chassis,steel bracket,rudder pintle, sternpost ... , chain wheel, slag pot, etc.Material:Carbon steel,Low alloy steel: ZG20SiMn, ZG35SiMn, ZG35SiMnMo, ZG35CrMo, ... quill shaft,anvil stand,support roller,cast steel joints for bridge,gear,integrated chassis,steel bracket,rudder pintle, sternpost ...