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AS 2027 Cr27 LC&Cr27 HC High Cr Iron Tube Casting EB5041 Material Grade: 1.Martensitic Cr Mo AlloySteel(ZG50Cr5Mo,ZG60Cr6Mo,Cr12Mo): Hardness:≥HRC48, Impact value:≥25J. 2.High Cr white iron(BTMCr15Mo...