压痕直径与布氏硬度及相应洛氏硬度对照表

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1、附录二压痕直径与布氏硬度及相应洛氏硬度对照表d102d54d2.5HBHRd102d54d2.5HBHR30D210D22.5D2HRBHRCHRA30D210D22.5D2HRBHRCHRA2.302.352.402.452.502.552.602.652.702.752.802.852.902.953.003.053.103.153.203.253.303.353.403.453.503.553.603.653.703.757126826356276015785555345144954774614444

2、2941540138837536335234133132131130229328527726926212912512111711411010710410197.795.092.389.787.234.633.432.331.330.329.328.427.626.725.925.224.523.723.122.421.867656361595856545251494847454443414039383736353433313029282785848382818079787776767574737372717

3、17069696868676766669565643.803.853.903.954.004.054.104.154.204.254.304.354.404.454.504.554.604.654.704.754.804.854.904.955.005.055.105.155.205.2525524824123522922321721220720119719218718317917417016716315915615214914614314013713413112884.982.680.478.376.37

4、4.372.470.668.867.165.563.962.460.959.558.156.855.554.353.051.950.749.648.647.546.545.544.643.742.821.220.720.119.619.118.618.117.617.216.816.416.015.615.214.914.514.213.913.613.313.012.712.412.211.911.611.411.210.910.71009998979796959493929189888786858483

5、8281807877767574727126252423222120646363626261616（续表）d102d54d2.5HBHRd102d54d2.5HBHR30D210D22.5D2HRBHRCHRA30D210D22.5D2HRBHRCHRA5.305.355.405.455.5012612312111811641.941.040.239.438.610.510.313.19.809.6669696766655.555.605.655.705.7511411110910710537.937.13

6、6.435.735.09.469.279.108.938.7664626159586附录三黑色金属硬度和强度换算表（GB1172—74）硬　　　　　　　　　　　　度抗拉强度(MPa)洛　　氏表　　面　　洛　　氏维　　氏布　　　　氏HRCHRAHR15NHR30NHR45NHVHB②(F=30D2)70.069.569.068.568.086.686.386.185.885.51037101799797895767.567.066.566.065.585.285.084.784.484.19419239068

7、8987265.064.564.063.563.083.983.683.383.182.892.292.191.991.891.781.381.080.680.279.871.771.270.670.169.585684082581079562.562.061.561.060.582.582.282.081.781.491.591.491.291.090.879.479.078.678.177.769.068.467.967.366.878076675273972660.059.559.058.558.08

8、1.280.980.680.380.190.690.490.290.089.877.376.976.576.175.666.265.665.164.563.97137006886766642607255124962443239157.557.056.556.055.579.879.579.379.078.789.689.489.188.988.675.274.874.473.973.563.462.862.261