Specifications:Φ45/2mm-Φ200/2mm Materials and Technology: 1.38CrMoALA nitriding treatment Nitriding depth:0.5-0.8mm,nitriding hardness:HV≥920 2.42CrMo Plating:induction hardening+plating/double metal plating PTA+Chrome hardness:≥HV800,thickness 0.03-0.05mm,roughness Ra0.2um 3.SKD61 quenching,vacuum quenching overall hardening treatment Hardness index:HRC>55-58,strightness 0.015mm/m,roughness Ra0.4um 4.9Cr18Mov vacuum hardening,CNC circular grinding Hardness index: HRC>50-55,straightness 0.015mm/m,roughness Ra0.4um
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