... anchor,marine anchor chain,slag pot etc. Material:Carbon steel,low alloy steel:ZG20SiMn,ZG50Mn,ZG35SiMn,ZG35CrMo,ZG35SiMnMo,ZG42CrMo,ZG40Cr,ZG34CrNiMo,ZG40Mn ... material.It is relatively cheaper and a sufficiently refractory for steel foundry use. A suitable bonding agent (usually clay) is ... plasticity of clays and to make the aggregate suitable for molding. The term "sand casting" can also refer to a ...