| 1. | Case hardening steels - technical delivery conditions 表面硬化钢.交货技术条件 |
| 2. | Case hardening steels - technical delivery conditions 表面硬化钢.技术交付条件 |
| 3. | Metallographic examination of induction hardened steel parts 钢件感应淬火金相检验 |
| 4. | Standard specification for hardened steel washers metric 淬火钢垫圈标准规范 |
| 5. | High speed milling machining processes of a skd61 hardened steel 61的高速铣削加工研究 |
| 6. | Flame and induction hardening steels ; quality specifications 火焰淬火和感应淬火钢.质量规范 |
| 7. | Standard specification for hardened steel washers 淬火钢垫圈标准规范 |
| 8. | Specification for aircraft material - carbon case - hardening steel 飞机材料规范.表面硬化碳钢 |
| 9. | Anneal means make harden steel soft and remove brittleness 退火就是使淬火钢变软并消除其脆性。 |
| 10. | Core properties of case hardened steel 表面热处理后钢中心的性质 |