... , ZG50Mn, ZG35SiMn, ZG35CrMo, ZG35SiMnMo, ZG42CrMo, ZG40Cr, ZG34CrNiMo, ZG40Mn and so on.Process:1.Place a pattern in sand to create ... composition test,UT/MT test,mechanical property test and so on.10.Surface treatment and other requirement from customer.Standard&certificate ... :ASTM,BS,NF,DIN,JIS and so on;ISO 9001:2000 ...