里氏硬度计HLM-100
| Materials & Measuring range 材料和测试范围 | ||||||||
| No. | Materials | 材料 | LD | HRC | HRB | HB(30D2) | HSD | HV |
| 1 | steel and cast steel | 钢和铸钢（低合金） | 300-900 | 20-68 | 38.4-99.5 | 80-647 | 32.5-99.5 | 80-940 |
| 2 | alloy tool steel | 合金工具钢 | 300-840 | 20.4-67.1 | | | | 80-898 |
| 3 | stainless steel | 不锈钢和耐热钢 | 300-800 | 19.6-62.4 | 46.5-101.7 | 85-655 | | 85-802 |
| 4 | grey case iron | 灰口铸铁 | 400-660 | | | 131-387 | *Has not been heat treated | |
| 5 | nodular cast iron | 球墨铸铁 | 360-650 | | | 90-334 | *Has not been heat treated | |
| 6 | cast aluminum alloy | 铸铝合金 | 200-560 | | | （10D2）30－160 | | |
| 7 | brass | 铜锌合金（黄铜） | 200-550 | | 20.0-95.3 | 40-173 | | |
| 8 | bronze | 铜铝铜锡合金 | 300-700 | | | 60-290 | | |
| 9 | copper | 纯铜 | 200-690 | | | 60-290 | | |
| 10 | bearing steel | 轴承钢 | 518-872 | 518-872 | 20.0-65.0 | *中国标准洛氏（HRC）硬度块采用此材料 | ||
