感应淬火相关数据

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1、附录1钢铁材料感应淬火硬度及硬化层深度钢号表面硬度/HRC硬化层/mm预先热处理水淬油（淬火介质）HRCHVHRCHV354045505535Cr40Cr45Cr40MnB35CrMo42CrMo球墨铸铁40~5045~5850~6355~6358~6345~5550~6055~6350~6045~5555~6350~60377~509436~664509~795599~795664~795436~599509~713599~795509~713436~599599~795509~71335~4540~5045~5550~6053~634

2、0~5045~5550~6045~5540~5050~6045~55329~436377~509436~599509~713561~795377~509436~599509~713436~599377~509509~713436~5991.0~2.51.0~3.01.5~3.52.0~4.02.5~5.5≤5.0≤6.0≤6.5≤6.0≤8.05.0~12——调质或正火调质或正火调质或正火调质或正火调质或正火调质调质调质调质调质调质退火或直淬注①水淬用于销、轴等形状简单的零件。②油淬（或淬火介质）用于齿轮、花键轴等形状复杂的零件。③球墨铸

3、铁为珠光体型球墨铸铁。附录2感应淬火零件直径和硬化层深度与电流频率的关系硬化层深度/mm零件直径/mm电流频率/kHz1.03.01020-200﹥2000.4-1.36-25好好1.3-2.511-16好好16-25好好好25-51中好中中﹥51中好好差差2.6-5.119-51好好差差50-100好好中﹥100好中差附录3洛氏﹑表面洛氏﹑维氏和布氏硬度换算表硬度洛氏表面洛氏维氏布氏HRCHRAHR15NHR30NHR45NHVHB30D2d10/mm2d5/mm4d2.5/mm70.086.6103769.586.3101769.08

4、6.199768.585.897868.085.595967.585.294167.085.092366.584.790666.084.488965.584.187265.083.992.281.371.785664.583.692.181.071.284064.083.391.980.670.682563.583.191.880.270.181063.082.891.779.869.579562.582.591.579.469.078062.082.291.479.068.476661.582.091.278.667.975261.08

5、1.791.078.167.373960.581.490.877.766.872660.081.290.677.366.271359.580.990.476.965.670059.080.690.276.565.168858.580.390.076.164.567658.080.189.875.663.9664硬度洛氏表面洛氏维氏布氏HRCHRAHR15NHR30NHR45NHVHB30D2d10/mm2d5/mm4d2.5/mm57.579.889.675.263.465357.079.589.474.862.864256.579.38

6、9.174.462.263156.079.088.973.961.762055.578.788.673.561.160955.078.588.473.160.559954.578.288.172.659.958954.077.987.972.259.457953.577.787.671.858.857053.077.487.471.358.256152.577.187.170.957.655152.076.986.870.457.154351.576.686.670.056.553451.076.386.369.555.95255012.

7、7350.576.186.069.155.35174942.7550.075.885.768.654.75094882.7749.575.585.568.254.25014812.7949.075.385.267.753.64934742.8148.575.084.967.353.04854682.8348.074.784.666.852.44784612.8547.574.584.366.451.84704552.8747.074.284.065.951.24634492.8946.573.983.765.550.74564422.91

8、46.073.783.565.050.14494362.9345.573.483.264.649.54434302.9545.073.282.964.148.94364242.9744.572