High Manganese Impact Bar 1.ISO Certification 2.Best surface Treatment 3.Heat Treatment: ... : Mn13, Mn18, Mn22, Mn13Cr2, Mn18Cr2, Mn22Cr2, Mn13CrMo, Mn13CrMoNi...2. High Chrome Steel:Cr13, Cr15, Cr18, Cr20, Cr25, Cr27, Cr15Mo1, Cr18Mo1, Cr25Mo0 ... / Concave/ Bowl Liner5. Middle Alloy steel blow bar/ Super high manganese blow bar/ High chrome blow bar6. Precision Casting Wear Parts Brand:Sandvik ...