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——适用于现场检测细长窄槽底部硬度
时代里氏硬度计选型表:DL型细长冲击装置技术参数一览
时代里氏硬度计选型表:DL型里氏硬度冲击装置的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 |
DL型冲击装置测试范围表
材料 | 硬度制 | 冲击装置 | |||||
---|---|---|---|---|---|---|---|
D/DC | D+15 | C | G | E | DL | ||
Steel and cast steel | HRC | 17.9~68.5 | 19.3~67.9 | 20.0~69.5 |
| 22.4~70.7 | 20.6~68.2 |
HRB | 59.6~99.6 |
|
| 47.7~99.9 |
| 37.0~99.9 | |
HRA | 59.1~85.8 |
|
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| 61.7~88.0 |
| |
HB | 127~651 | 80~638 | 80~683 | 90~646 | 83~663 | 81~646 | |
HV | 83~976 | 80~937 | 80~996 |
| 84~1042 | 80~950 | |
HS | 32.2~99.5 | 33.3~99.3 | 31.8~102.1 |
| 35.8~102.6 | 30.6~96.8 | |
Steel锻钢 | HS | 32.2~99.5 |
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CWT、ST | HRC | 20.4~67.1 | 19.8~68.2 | 20.7~68.2 |
| 22.6~70.2 |
|
HV | 80~898 | 80~935 | 100~941 |
| 82~1009 |
| |
Stainless steel | HRB | 46.5~101.7 |
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HB | 85~655 |
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HV | 85~802 |
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GC. IRON | HRC |
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HB | 93~334 |
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| 92~326 |
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HV |
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NC、IRON | HRC |
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HB | 131~387 |
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| 127~364 |
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HV |
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C.ALUM | HB | 19~164 |
| 23~210 | 32~168 |
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HRB | 23.8~84.6 |
| 22.7~85.0 | 23.8~85.5 |
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BRASS | HB | 40~173 |
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HRB | 13.5~95.3 |
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BRONZE铜锡(铝)合金 | HB | 60~290 |
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COPPER纯铜 | HB | 45~315 |
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