| 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. | Specification for aircraft material - 3 per cent nickel case - hardening steel 飞机材料规范.含3 %镍的表面硬化钢 |
| 4. | Bright steel products - technical delivery conditions - case - hardening steels 光亮钢产品.技术交付条件.表面硬化钢 |
| 5. | Wrought case - hardening steels 锻造表面硬化钢 |
| 6. | Case - hardened steel 表面渗碳硬化钢 |
| 7. | Surface - hardened steel 表面硬化钢 |
| 8. | Strain - hardening steel 应变硬化钢 |
| 9. | Bright steel products . technical delivery conditions . part 4 : case - hardening steels 光亮钢产品.交货技术条件.第4部分:表面硬化钢 |
| 10. | Work - hardened steel 加工硬化钢 |