【详细说明】适用范围表面淬火钢,铜、铝合金薄板,带钢,硬质合金钢,镀锌,镀铬,镀锡,材料表面热处理和化学表面处理的各种金属材料。HR-45MManualSuperficialRockwellHardnessTesteradoptsmechanicalmanualtestingmethod,withoutelectricaldevice.Withsimpleappearance,itusesaspopulartypeRockwellHardnesstestinginstrument.UsageRange:Surfacehardenedsteel,copper,aluminumalloysheet,hardalloysteel,zinclayers,chromelayers,tinlayers,surfaceheattreatingchemicaltreatingmaterials,etc.技术数据(TechnicalSpecifications)