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符合国家《标准硬度块的标定》标准;均匀性好,重复性好。名称 | 硬度值范围 | 名称 | 硬度值范围 |
标准布氏硬度块 | 200±50HBW100±25HBW | 标准表面洛氏硬度块 | 89-91HR15N42-50HR30N75-80HR30N37-61HR45N87-93HR15T70-82HR30T |
标准洛氏硬度块 | 80-88HRA85-95HRB20-30HRC35-55HRC60-70HRC | 标准携带布氏硬度块 | 200±50HBS |
标准维氏硬度块 | 200±25HV5450±50HV5450±50HV10450±50HV30750±50HV10 | 标准锤击布氏硬度块 | 175-225HBS |
标准里氏硬度块 | 790±40HLD | 标准显微维氏硬度块 | 200-300HV0.05200-300HV0.1400-500HV0.1400-500HV0.2700-800HV0.2700-800HV0.5700-800HV1 |