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Hardness Conversion of Metals - Tribology-ABC
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日期:2025-10-09
Hardness conversion astm E 140 - 97. from. HV: Vickers Hardness, HB: Brinell Hardness 10 mm C-ball 3000 kgf, HK: Knoop Hardness 500 gf and over, HRA: ......看更多