【詳細(xì)說明】適用范圍表面淬火鋼，銅、鋁合金薄板，帶鋼,硬質(zhì)合金鋼，鍍鋅，鍍鉻，鍍錫，材料表面熱處理和化學(xué)表面處理的各種金屬材料。HR-45MManualSuperficialRockwellHardnessTesteradoptsmechanicalmanualtestingmethod,withoutelectricaldevice.Withsimpleappearance,itusesaspopulartypeRockwellHardnesstestinginstrument.UsageRange:Surfacehardenedsteel,copper,aluminumalloysheet,hardalloysteel,zinclayers,chromelayers,tinlayers,surfaceheattreatingchemicaltreatingmaterials,etc.技術(shù)數(shù)據(jù)（TechnicalSpecifications）