常用硬度对照表
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HRA HRC
HRA HRC HRA HRC HRA HRC 186.670.0
10373178.555.0599*******.540.0377*******.0274286.669.5
10173278.254.55896236570.339.53728626627.5271386.669.0
9973377.954.0579*******.039.03678726327.0268486.668.5
9783477.753.55706435538.53628826026.5264586.668.0
9593577.453.0561*******.0351*******.0261686.667.5
9413677.152.55516634537.53529025425.5258786.667.0
9233776.952.05436734137.03479125125.0255886.666.5
9063876.651.55346833636.53429224824.5252986.666.0
8893950176.351.05256933236.03389324524.02491086.665.5
8724049476.150.55177032735.53339424223.52461186.665.0
8564148875.850.05097132335.03299524023.02431286.664.5
8404248175.549.55017231834.53249623722.52401386.664.0
8254347475.349.04937331434.03209723422.02371486.663.5
8104446875.048.54857431033.53169823221.52341586.663.0
7954546174.748.0478*******.0312*******.02311686.662.5
7804645574.547.54707630232.530810022720.52291786.662.0
7664744974.247.04637729832.030410122520.02261886.661.5
7524844273.946.54567829431.530010222219.52231986.661.0
7394943673.746.04497929131.029*********.02212086.660.5
7265043073.445.54438028730.529210421818.52182186.660.0
7135142473.245.0436*******.028*********.02162286.659.5
7005241872.944.54298228029.528510621417.52142386.659.0
6885341372.644.04238327629.028*********.02112486.658.5
6765440772.443.54178427328.52782586.658.0
6645540172.143.04112686.657.5
6535639671.842.54052786.657.0
6425739171.642.03992886.656.5
6315838571.341.53932986.656.0
6205938071.141.03883086.655.56096037570.840.5382
黑色金属材料 硬度值换算表
序号洛氏硬度
维氏硬度HV 布氏硬度HB 洛氏硬度维氏硬度HV 布氏硬度HB 维氏硬度HV 布氏硬度
HB 序号注: 1.布氏硬度:主要用来测定铸件、锻件、有色金属制件、热轧坯料及退火件的硬度,测定范围≯HB450。 2.洛氏硬度:HRA 主要用于高硬度试件,测定硬度高于HRC67以上的材料和表面硬度,如硬质合金、氮化钢等，测定范围HRA>70。HRC 主要用于钢制件(如碳钢、工具钢、合金钢等）淬火或回火后的硬度测定,测定范围HRC20~67。 3.维氏硬度:用来测定薄件和钢板制件的硬度,也可用来测定渗碳、氰化、氮化等表面硬化制件的硬度。序号序号洛氏硬度维氏硬度HV 布氏硬度HB 洛氏硬度