... resistance 3.low thermal expansion rate 4.Wear-resist High chromium cast iron pipe OEM castingAccording to the customer’s drawing and ... Resin sandOur MaterialPlain carbon steel, Low alloy steel, High manganese steel, High chromium cast iron(No more than 35 tons)Casting Productsmud/ slurry ... per requirementsPackagingWooden case, crate, parcel, bale, package, barrel, etc. High chromium cast iron pipe