表1、金刚石圆锥压头试验（HRA/C/D标尺）
硬度值 |
洛氏硬度修正值 |
曲率半径/mm |
3 |
5 |
6.5 |
8 |
9.5 |
11 |
12.5 |
16 |
19 |
20 |
|
|
|
2.5 |
2.0 |
1.5 |
1.5 |
1.0 |
1.0 |
25 |
|
|
3.0 |
2.5 |
2.0 |
1.5 |
1.0 |
1.0 |
1.0 |
30 |
|
|
2.5 |
2.0 |
1.5 |
1.5 |
1.0 |
1.0 |
0.5 |
35 |
|
3.0 |
2.0 |
1.5 |
1.5 |
1.0 |
1.0 |
0.5 |
0.5 |
40 |
|
2.5 |
2.0 |
1.5 |
1.5 |
1.0 |
1.0 |
0.5 |
0.5 |
45 |
3.0 |
2.0 |
1.5 |
1.0 |
1.0 |
1.0 |
0.5 |
0.5 |
0.5 |
50 |
2.5 |
2.0 |
1.5 |
1.0 |
1.0 |
0.5 |
0.5 |
0.5 |
0.5 |
55 |
2.0 |
1.5 |
1.0 |
1.0 |
1.0 |
0.5 |
0.5 |
0.5 |
0.0 |
60 |
1.5 |
1.0 |
1.0 |
0.5 |
0.5 |
0.5 |
0.5 |
0.0 |
0.0 |
65 |
1.5 |
1.0 |
1.0 |
0.5 |
0.5 |
0.5 |
0.5 |
0.0 |
0.0 |
70 |
1.0 |
1.0 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.0 |
0.0 |
75 |
1.0 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.0 |
0.0 |
0.0 |
80 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
85 |
0.5 |
0.5 |
0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
90 |
0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
表2、1.5875mm球压头试验（HRB/F/G标尺）
硬度值 |
洛氏硬度修正值 |
曲率半径/mm |
3 |
5 |
6.5 |
8 |
9.5 |
11 |
12.5 |
20 |
|
|
|
4.5 |
4.0 |
3.5 |
3.0 |
30 |
|
|
5.0 |
4.5 |
3.5 |
3.0 |
2.5 |
40 |
|
|
4.5 |
4.0 |
3.0 |
2.5 |
2.5 |
50 |
|
|
4.0 |
3.5 |
3.0 |
2.5 |
2.0 |
60 |
|
5.0 |
3.5 |
3.0 |
2.5 |
2.0 |
2.0 |
70 |
|
4.0 |
3.0 |
2.5 |
2.0 |
2.0 |
1.5 |
80 |
5.0 |
3.5 |
2.5 |
2.0 |
1.5 |
1.5 |
1.5 |
90 |
4.0 |
3.0 |
2.0 |
1.5 |
1.5 |
1.5 |
1.0 |
100 |
3.5 |
2.5 |
1.5 |
1.5 |
1.0 |
1.0 |
.05 |
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