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    常州精密鋼管博客網

    HARDNESS COMPARISON TABLE

    HARDNESS CONVERSION NUMBERS OF STEEL
    Brinell Hardness (HB), 
    10mm Ball, Load: 3,000kgf
    Vickers
    Hardness
    (HV)
    Rockwell Hardness (3)Shore
    Hardness
    (HS)
    Tensile
    Strength
    (Approx.)
    MPa (2)
    Standard 
    Ball
    Tungsten
    Carbide
    Ball
    A Scale, 
    Load: 60kgf,
    Diamond Point
    (HRA)
    B Scale,
    Load: 100kgf,
    1/16" Ball
    (HRB)
    C Scale,
    Load: 150kgf,
    Diamond Point
    (HRC)
    D Scale,
    Load: 100kgf,
    Diamond Point
    (HRD)
    94085.668.076.997
    92085.367.576.596
    90085.067.076.195
    (767)88084.766.475.793
    (757)86084.465.975.392
    (745)84084.165.374.891
    (733)82083.864.774.390
    (722)80083.464.073.888
    (712)
    (710)78083.063.373.387
    (698)76082.662.572.686
    (684)74082.261.872.1
    (682)73782.261.772.084
    (670)72081.861.071.583
    (656)70081.360.170.8
    (653)69781.260.070.781
    (647)69081.159.770.5
    (638)68080.859.270.180
    63067080.658.869.8
    62766780.558.769.779
    67780.759.170.0
    60164079.857.368.777
    64079.857.368.7
    57861579.156.067.775
    60778.855.667.4
    55559178.454.766.7732055
    57978.054.066.12015
    53456977.853.565.8711985
    53377.152.565.01915
    (495)51454776.952.164.7701890
    53976.751.664.31855
    (477)53076.451.163.91825
    49552876.351.063.8681820
    (461)51675.950.363.21780
    50875.649.662.71740
    44447750875.649.662.7661740
    49575.148.861.91680
    49174.948.561.71670

    46149174.948.561.7651670

    47474.347.261.01595

    47274.247.160.81585

    44447274.247.160.8631585
    Brinell Hardness (HB), 
    10mm Ball, Load: 3,000kgf
    Vickers
    Hardness
    (HV)
    Rockwell Hardness (3)Shore
    Hardness
    (HS)
    Tensile
    Strength
    (Approx.)
    MPa (2)
    Standard 
    Ball
    Tungsten
    Carbide
    Ball
    A Scale, 
    Load: 60kgf,
    Diamond Point
    (HRA)
    B Scale,
    Load: 100kgf,
    1/16" Ball
    (HRB)
    C Scale,
    Load: 150kgf,
    Diamond Point
    (HRC)
    D Scale,
    Load: 100kgf,
    Diamond Point
    (HRD)
    42942945573.445.759.7611510
    41541544072.844.558.8591460
    40140142572.043.157.8581390
    38838841071.441.856.8561330
    37537539670.640.455.7541270
    36336338370.039.154.6521220
    35235237269.3(110.0)37.953.8511180
    34134136068.7(109.0)36.652.8501130
    33133135068.1(108.5)35.551.9481095
    32132133967.5(108.0)34.351.0471060
    31131132866.9(107.5)33.150.0461025
    30230231966.3(107.0)32.149.3451005
    29329330965.7(106.0)30.948.343970
    28528530165.3(105.5)29.947.6950
    27727729264.6(104.5)28.846.741925
    26926928464.1(104.0)27.645.940895
    26226227663.6(103.0)26.645.039875
    25525526963.0(102.0)25.444.238850
    24824826162.5(101.0)24.243.237825
    24124125361.8100.022.842.036800
    23523524761.499.021.741.435785
    22922924160.898.220.540.534765
    22322323497.3(18.8)
    21721722896.4(17.5)33725
    21221222295.5(16.0)705
    20720721894.6(15.2)32690
    20120121293.8(13.8)31675
    19719720792.8(12.7)30655
    19219220291.9(11.5)29640
    18718719690.7(10.0)620
    18318319290.0(9.0)28615
    17917918889.0(8.0)27600
    17417418287.8(6.4)585
    17017017886.8(5.4)26570
    16716717586.0(4.4)560
    16316317185.0(3.3)25545
    15615616382.9(0.9)525
    14914915680.823505
    14314315078.722490
    13713714376.421460
    13113113774.0450
    12612613272.020435
    12112112769.819415
    11611612267.618400
    11111111765.715385

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