添加时间:2009-11-5  编辑:读取中……  阅读:次
	

 
        | 材料 | 硬度制 | 冲击装置 | |||||
| D/DC | D+15 | C | G | E | DL | ||
| 钢和铸钢 | 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 |  |  |  | 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 | |
| 锻钢 | HB | 143-650 |  |  |  |  |  | 
| 合金工具钢 | 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 |  | |
| 不锈钢 | HRB | 46.5-101.7 |  |  |  |  |  | 
| HB | 85-655 |  |  |  |  |  | |
| HV | 85-802 |  |  |  |  |  | |
| 灰铸铁 | HRC |  |  |  |  |  |  | 
| HB | 93-334 |  |  | 92-326 |  |  | |
| HV |  |  |  |  |  |  | |
| 球墨铸铁 | HRC |  |  |  |  |  |  | 
| HB | 131-387 |  |  | 127-364 |  |  | |
| HV |  |  |  |  |  |  | |
| 铸铝合金 | HB | 19-164 |  | 23-210 | 32-168 |  |  | 
| HRB | 23.8-84.6 |  | 22.7-85.0 | 23.8-85.5 |  |  | |
| 铜锌合金 (黄铜) | HB | 40-173 |  |  |  |  |  | 
| HRB | 13.5-95.3 |  |  |  |  |  | |
| 铜锡合金 (青铜) | HB | 60-290 |  |  |  |  |  | 
| 纯铜 | HB | 45-315 |  |  |  |  |  | 
| 异型冲击装置 | DC(D)/DL | D+15 | C | G | E | |
| 冲击能量 冲击体质量 | 11mJ 5.5g/7.2g | 11mJ 7.8g | 2.7mJ 3.0g | 90mJ 20.0g | 11mJ 5.5g | |
| 球头硬度: 球头直径: 球头材料: | 1600HV 3mm 碳化钨 | 1600HV 3mm 碳化钨 | 1600HV 3mm 碳化钨 | 1600HV 5mm 碳化钨 | 5000HV 3mm 金刚石 | |
| 冲击装置直径: 冲击装置长度: 冲击装置重量: | 20mm 86(147)/ 75mm50g | 20mm 162mm 80g | 20mm 141mm 75g | 30mm 254mm 250g | 20mm 155mm 80g | |
| 试件最大硬度 | 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 | |
| 试件最小重量: 可直接测量 需稳定支撑 需密实耦合 | >5kg 2~5kg 0.05~2kg | >5kg 2~5kg 0.05~2kg | >1.5kg 0.5~1.5kg 0.02~0.5kg | >15kg 5~15kg 0.5~5kg | >5kg 2~5kg 0.05~2kg | |
| 试件最小厚度密实 耦合硬化层最小深度 | 5mm ≥0.8mm | 5mm ≥0.8mm | 1mm ≥0.2mm | 10mm ≥1.2mm | 5mm ≥0.8mm | |
| 球头压痕尺寸 | ||||||
| 硬度300HV时 | 压痕直径 压痕深度 | 0.54mm 24μm | 0.54mm 24μm | 0.38mm 12μm | 1.03mm 53μm | 0.54mm 24μm | 
| 硬度600HV时 | 压痕直径 压痕深度 | 0.54mm 17μm | 0.54mm 17μm | 0.32mm 8μm | 0.90mm 41μm | 0.54mm 17μm | 
| 硬度800HV时 | 压痕直径 压痕深度 | 0.35mm 10μm | 0.35mm 10μm | 0.35mm 7μm | -- -- | 0.35mm 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型用于常规测量 | |||||
| 产品名称 | 产品简介 | 产品编号 | 
|---|---|---|
| HL-80型便携式数显里氏硬度计 | MC-01970-00 |