HRB1 비금속(Soft metal) 경도 환산표 비금속 경도 환산표 (Hardness Conversion Table for Soft Metals) Rockwell Rockwell Superficial Vickers HRB HRF 15T 30T 45T HV 100Kgf 60Kgf 15Kgf 30Kgf 45Kgf 93.5 110.0 90.0 77.5 66.0 196 109.5 65.5 194 93.0 77.0 65.0 192 92.5 109.0 76.5 64.5 190 92.0 89.5 64.0 188 91.5 108.5 76.0 63.5 186 91.0 75.5 63.0 184 90.5 108.0 89.0 62.5 182 90.0 107.5 75.0 62.0 180 89.0 74.5 61.5 178 88.5 107.0 61.0 176 88.0 88.5 .. 2023. 5. 24. 이전 1 다음