>> P.538
维氏硬度布氏硬度洛氏硬度肖氏硬度HS979592918887858381807876757472716968676664636260585756555452标准球碳化钨球A标度B标度负荷588.4N金刚石锥形压头负荷980.7N直径1/16in球——————————————————————————————85.685.084.583.983.482.882.381.881.280.780.179.679.078.578.077.476.876.375.975.274.774.173.673.172.572.071.570.970.469.9———(739)(722)(705)(688)(670)(654)(634)615595577560543525512496481469455443432421409400390381371362————————————————(500)(487)(475)(464)451442432421409400390381371362HV940900865832800772746720697674653633613595577560544528513498484471458446434423412402392382洛氏C标度硬度负荷1471NHRC686766656463626160595857565554535251504948474645444342414039570●硬度换算表(参考)
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