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北京华研汇科科技有限公司
里氏硬度计冲击装置 型号:D\DC\DL\D+15\C\G\E
一、里氏硬度计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 | ||
| HRC | 17.9~68.5 | 19.3~67.9 | 20.0~69.5 |
| 22.4~70.7 | 20.6~68.2 |
钢和铸钢
| HRB | 59.6~99.6 |
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| 47.7~99.9 |
| 37.0~99.9 |
HRA | 59.1~85.8 |
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| 61.7~88.0 |
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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 |
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合金工具钢 | HV | 80~898 | 80~935 | 100~941 |
| 82~1009 |
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Stainless steel | HRB | 46.5~101.7 |
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不锈钢
| HB | 85~655 |
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HV | 85~802 |
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GC. IRON | HRC |
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灰铸铁
| 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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球墨铸铁
| 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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铸铝合金 | 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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铜锌合金 | 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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二、里氏硬度计冲击装置技术参数一览
异型冲击装置 | DC(D)/DL | D+15 | C | G | E(需进口) | |
冲击能量 | 11mJ | 11mJ | 2.7mJ | 90mJ | 11mJ | |
冲击体质量 | 5.5g/7.2g | 7.8g | 3.0g | 20.0g | 5.5g | |
球头硬度: | 1600HV | 1600HV | 1600HV | 1600HV | 5000HV | |
球头直径: | 3mm | 3mm | 3mm | 5mm | 3mm | |
球头材料: | 碳化钨 | 碳化钨 | 碳化钨 | 碳化钨 | 金刚石 | |
冲击装置直径: | 20mm | 20mm | 20mm | 30mm | 20mm | |
冲击装置长度: | 86(147)/75mm | 162mm | 141mm | 254mm | 155mm | |
冲击装置重量: | 50g | 80g | 75g | 250g | 80g | |
试件硬度 | 940HV | 940HV | 1000HV | 650HB | 1200HV | |
试件表面平均粗糙度Ra: | 1.6μm | 1.6μm | 0.4μm | 6.3μm | 1.6μm | |
试件小重量: | 大于5kg | 大于5kg | 大于1.5kg | 大于15kg | 大于5kg | |
可直接测量 | 2~5kg | 2~5kg | 0.5~1.5kg | 5~15kg | 2~5kg | |
需稳定支撑 | 0.05~2kg | 0.05~2kg | 0.02~0.5kg | 0.5~5kg | 0.05~2kg | |
需密实耦合 |
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试件小厚度 | 5mm | 5mm | 1mm | 10mm | 5mm | |
密实耦合 | ≥0.8mm | ≥0.8mm | ≥0.2mm | ≥1.2mm | ≥0.8mm | |
硬化层小深度 |
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球头压痕尺寸 | ||||||
硬度 | 压痕直径 | 0.54mm | 0.54mm | 0.38mm | 1.03mm | 0.54mm |
压痕深度 | 24μm | 24μm | 12μm | 53μm | 24μm | |
硬度 | 压痕直径 | 0.54mm | 0.54mm | 0.32mm | 0.90mm | 0.54mm |
压痕深度 | 17μm | 17μm | 8μm | 41μm | 17μm | |
硬度 | 压痕直径 | 0.35mm | 0.35mm | 0.35mm | -- | 0.35mm |
压痕深度 | 10μm | 10μm | 7μm | -- | 10μm | |
冲击装置适用范围 | DC型测量孔或园柱筒内;DL型测量细长窄槽或孔 | D+15型测量沟槽或凹入的表面 | C型测量小轻薄部件及表面硬化层 | G型测量大厚重及表面较粗糙的铸锻件 | E型测量硬度极高材料 |
三、里氏硬度计冲击装置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 |
530±40HLD | ±10 HLD | 10 HLD | ||
2 | DC | 760±30HLDC | ±6 HLDC | 6 HLD |
530±40HLDC | ±10 HLDC | 10 HLD | ||
3 | DL | 878±30HLDL | ±12 HLDL | 12 HLDL |
736±40HLDL | ||||
4 | D+15 | 766±30HLD+15 | ±12 HLD+15 | 12 HLD+15 |
544±40HLD+15 | ||||
5 | G | 590±40HLG | ±12 HLG | 12 HLG |
500±40HLG | ||||
6 | E | 725±30HLE | ±12 HLE | 12 HLE |
508±40HLE | ||||
7 | C | 822±30HLC | ±12 HLC | 12 HLC |
590±40HLC |
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