>> P.348
Ⅳ-46RockwellVickershardnessBrinellhardnessRockwellhardnessShorehardnessCscalehardnessStandardballTungstenCarbideballAscaleBscaleLoad1471NLoad588.4NLoad980.7NHRCHVDiamondcircularconeDiameter1/16inballHS3837235335369.4―513736334434468.9―503635433633668.4(109.0)493534532732767.9(108.5)483433631931967.4(108.0)473332731131166.8(107.5)463231830130166.3(107.0)443131029429465.8(106.0)433030228628665.3(105.5)422929427927964.7(104.5)412828627127164.3(104.0)412727926426463.8(103.0)402627225825863.3(102.5)382526625325362.8(101.5)382426024724762.4(101.0)372325424324362.0100.0362224823723761.599.0352124323123161.098.5352023822622660.597.834(18)230219219―96.733(16)222212212―95.532(14)213203203―93.931(12)204194194―92.329(10)196187187―90.728(8)188179179―89.527(6)180171171―87.126(4)173165165―85.525(2)166158158―83.524(0)160152152―81.724
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