... of carbon or low alloy steel. Product Name: riding wheel/Marine rudder/shaft/ sternpost system, such as rudder blade, quill ... rudder pintle, sternpost, chain wheel, slag pot, etc.Material:Carbon steel,Low alloy steel: ZG20SiMn, ZG35SiMn, ZG35SiMnMo, ZG35CrMo, ZG42CrMo, ZG40Cr, ZG34CrNiMo ... NF, DIN, JIS, ISO etc. standard with carbon steel and alloy steel materials. These castings can be supplied in the ...