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ISO 18265 - 硬质合金的HV 50到HRA换算值
ISO 18265 - 硬质合金的HV 50到HRA换算值
国际标准ISO 18265-2013《金属材料-硬度值的换算》表E.2：硬质合金硬度对照表
|
维氏硬度 |
洛氏硬度 |
|
HV50 |
HRA |
|
780 |
82.5 |
|
800 |
82.8 |
|
820 |
83.1 |
|
840 |
83.4 |
|
860 |
83.7 |
|
880 |
84 |
|
900 |
84.2 |
|
920 |
84.5 |
|
940 |
84.8 |
|
960 |
85.1 |
|
980 |
85.3 |
|
1000 |
85.6 |
|
1020 |
85.8 |
|
1040 |
86.1 |
|
1060 |
86.4 |
|
1080 |
86.6 |
|
1100 |
86.8 |
|
1120 |
87.1 |
|
1140 |
87.3 |
|
1160 |
87.6 |
|
1180 |
87.8 |
|
1200 |
88 |
|
1220 |
88.2 |
|
1240 |
88.4 |
|
1260 |
88.7 |
|
1280 |
88.9 |
|
1300 |
89.1 |
|
1320 |
89.3 |
|
1340 |
89.5 |
|
1360 |
89.7 |
|
1380 |
89.9 |
|
1400 |
90.1 |
|
1420 |
90.3 |
|
1440 |
90.5 |
|
1460 |
90.7 |
|
1480 |
90.9 |
|
1500 |
91 |
|
1520 |
91.2 |
|
1540 |
91.4 |
|
1560 |
91.6 |
|
1580 |
91.8 |
|
1600 |
91.9 |
|
1620 |
92.1 |
|
1640 |
92.3 |
|
1660 |
92.4 |
|
1680 |
92.6 |
|
1700 |
92.8 |
|
1720 |
92.9 |
|
1740 |
93.1 |
|
1760 |
93.2 |
