... thermal expansion rate 4.Wear-resist High chromium cast iron pipe OEM castingAccording to the customer’s drawing ... pump castings (low alloy steel/ high chromium cast iron ),low-alloyed steel tube mould steel castings,engineering ... epoxy spray coating, anodic oxidation treatment, plating or as per requirementsPackagingWooden case, crate, parcel, bale, package, barrel, etc. High chromium cast iron pipe ...