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