HB
2.22.252.32.352.42.452.52.552.62.65 2.702.752.82.852.9 2.9533.053.13.153.23.253.33.353.43.453.53.553.63.65 3.73.753.83.853.9 3.954
780745712682653 627601578555534 514495477461444429415401388375363352341331321311302293285277269262255248241 235225
HV维氏122011141021940867 803746694649606 587554534502474460435423401690380361344333320312305291285278272261255250246 235226
硬 度
D=10mmP=30000N时的压痕直径mm
HRC
7269676563 6159585654 5251494847 454443414039383736353433313029 2827262524 2322
HRA
8987858483 8281807978 7776767574737372717170696968686767666665 6564646363 6262
4.054.14.154.24.25 4.304.354.44.454.5 4.554.64.654.74.754.84.854.94.9555.055.15.155.25.255.35.355.45.455.5 5.555.65.75.85.9 6.00
HB223217212207201 197192187183179 174171165162159156152149146143140137134131128 126123121118116 11411110710399 99.5
HV维氏221217213209201 197190186183179 174171165162159154152149147144
硬
HRB
100 9998
硬 度HRBHRC9797969594 9392918988 87868584838281807877767574727169696766656462595754 52
21201918
HRA6161606059 5858575656 55555453535252515050
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