产品名称规格外型尺寸/MM标  准60-70HRC环形洛  氏35-55HRCФ60×Ф10×10硬度块20-30HRC（Rockwell hardness standard block）70-85HRA60-70HRA85-95HRBW60-70HRBW标  准45-55HRB60×40×8洛  氏硬度块(Rockwell hardness standard block)标  准88-92HR15N表面洛氏74-82HR30N环形硬度块45-55HR30NФ60×Ф10×10(Rockwell hardness standard block surface）45-55HR45N85-91HR15T70-80HR30T54-72HR45T标  准150-250HBW10/3000Ф90×Ф12×16布  氏150-250HBW5/750硬 度 块150-250HBW2.5/187.5或(Brinell hardness standard block)500-600HBW10/3000500-600HBW5/75060×40×10500-600HBW5/187.575-125HBW10/100075-125HBW5/25075-125HBW2.5/62.5锤击布氏条150-250HBW5/75012×12×150(Brandt's standards hammering block)标  准700-800HV360×40×10维  氏700-800HV5硬 度 块700-800HV10(Vickers Hardness standard block)700-800HV30700-800HV50400-600 HV5400-600HV10400-600 HV30175-225 HV5标准700-800 HV125×25×8显微700-800HV0.5硬度块700-800HV0.2(Standard micro-hardness block)400-600HV0.2400-600HV0.1175-225 HV0.1175-225 HV0.05标准800-900 HK125×25×8努普800-900 HK0.5硬度块800-900 HK0.3（Knoop hardness standard block）800-900 HK0.2400-600 HK0.2400-600 HK0.1200-300 HK0.1200-300 HK0.05标准750-850HLDФ90×55590-670HLDФ120×70里氏490-570HLD550-630HLG硬度块460-540HLG(Leeb Hardness standard block)金刚石洛氏压头HRC , HRA碳化钨钢球Ф10; Ф5; Ф2.5优等标准洛氏硬度块Excellent standard Rockwell hardness block60-70HRC环形（出口专供)35-55HRCФ60×10(exclusively for export)20-30HRC70-85

HRA60-70HRA85-95HRBW60-70HRBW