洛氏硬度测试Z小厚度
时间:2010-01-21 阅读:2847
洛氏硬度测试zui小厚度
洛氏硬度测试zui小厚度表
厚度 标尺 | 硬度值 | ||||||||||
20 | 25 | 30 | 40 | 50 | 60 | 67 | 70 | 80 | 90 | 100 | |
A | | | | | | | / | 0.7 | 0.5 | 0.4 | / |
B | / | 2.0 | 1.9 | 1.7 | 1.5 | 1.3 | / | 1.2 | 1.0 | 0.8 | 0.7 |
C | 1.5 | / | 1.3 | 1.2 | 1.0 | 0.8 | 0.7 | / | / | / | / |
表面洛氏硬度测试zui小厚度(N标尺)
zui小厚度mm | 表面洛氏硬度(N标尺) | ||
HR15N | HR30N | HR45N | |
0.1524 | 92 | | |
0.2032 | 90 | | |
0.2540 | 88 | | |
0.3048 | 83 | 82 | 77 |
0.3556 | 76 | 80 | 74 |
0.4064 | 68 | 74 | 72 |
0.4672 | | 66 | 68 |
0.5180 | | 57 | 63 |
0.5688 | | 47 | 58 |
0.6196 | | | 51 |
0.6704 | | | 37 |
0.7212 | | | 20 |
表面洛氏硬度测试zui小厚度(T标尺)
zui小厚度mm | 表面洛氏硬度(T标尺) | ||
HR15T | HR30T | HR45T | |
0.1270 | 93 | | |
0.2540 | 90 | 87 | |
0.3810 | 78 | 77 | 77 |
0.5080 | | 58 | 62 |
0.6350 | | | 26 |
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