2023年08月15日 08:47:16 来源：上海百贺仪器科技有限公司 >> 进入该公司展台 阅读量：11
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 |
