里氏硬度计示值误差和示值重复性(表)
里氏硬度计示值误差和示值重复性(表)
序号 |
冲击装置类型 |
标准里氏硬度块硬度值 |
示值误差 |
示值重复性 |
1 |
D |
760±30HLD |
±6 HLD |
6 HLD |
2 |
DC |
760±30HLDC |
±6 HLDC |
6 HLD |
3 |
DL |
878±30HLDL |
±12 HLDL |
12 HLDL |
4 |
D+15 |
766±30HLD+15 |
±12 HLD+15 |
12 HLD+15 |
5 |
G |
590±40HLG |
±12 HLG |
12 HLG |
6 |
E |
725±30HLE |
±12 HLE |
12 HLE |
7 |
C |
822±30HLC |
±12 HLC |
12 HLC |