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常用硬度值HRA、HRC、HV对照表

10
11 月

HRA、HRC、HV名词解释

  • HRA钻头为120+-0.5°的金刚石锥形体，顶端曲率0.2+-0.002mm，荷重60Kg.
  • HRC钻头为120+-0.5°的金刚石锥形体，顶端曲率0.2+-0.002mm，荷重150Kg
  • HV对角面为136°的四棱锥金刚石钻头，硬度值是压痕单位面积上的比压力，荷重为50/100克力，压痕面积为若干um,表示值为kg/mm²

  • 各种硬度换算表

维氏硬度洛氏硬度洛氏硬度维氏硬度洛氏硬度洛氏硬度维氏硬度洛氏硬度洛氏硬度
HVHRCHRAHVHRCHRAHVHRCHRA
1700.080.592.5528.051.076.0-31.066.0
1600.080.092.0513.050.076.0301.030.066.0
1550.079.091.5498.049.076.0-29.065.0
1500.078.091.0-48.575.0-28.565.0
1450.077.090.5485.048.075.0285.028.065.0
1400.076.090.0-47.574.5-27.564.5
1350.075.089.5471.047.074.0-27.064.0
1300.074.089.0458.046.073.5-26.564.0
1250.073.088.5-45.073.0271.026.064.0
1200.072.088.0446.044.573.025.563.5
1150.071.587.5435.044.073.025.063.0
1140.071.087.0-43.572.524.563.0
1076.070.086.5-43.072.0257.024.062.5
1004.069.086.0413.042.072.023.562.0
942.068.085.8-41.571.523.062.0
894.067.085.0-41.071.022.562.0
854.066.084.5-40.571.0246.022.062.0
820.065.084.0393.040.070.521.561.5
789.064.083.5-39.570.021.061.0
763.063.083.0-39.070.020.561.0
739.062.082.5-38.569.5236.020.061.0
716.061.082.0373.038.069.0223.019.560.5
695.060.081.5-37.569.0217.019.060.0
675.059.081.0-37.069.0-18.560.0
655.058.080.5-36.568.5209.018.060.0
636.057.080.0353.036.068.0205.0-60.0
-56.579.5-35.568.0197.0-59.0
617.056.079.0-35.067.5195.0-58.0
598.055.078.0334.034.567.0191.0-57.5
580.054.078.0-34.067.0186.0-56.0
562.053.078.0-33.567.0---
545.052.077.0317.032.067.0---
-51.576.5-31.566.0---

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