| 1. | Specification for aircraft material - carbon case - hardening steel
飞机材料规范.表面硬化碳钢 |
| 2. | 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 |
| 3. | 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 |
| 4. | Wrought case - hardening steels
锻造表面硬化钢 |
| 5. | Case - hardened steel
表面渗碳硬化钢 |
| 6. | Case - hardening steel
表面碳他钢 |
| 7. | 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 |
| 8. | Case - hardened steel
表面硬化钢 |
| 9. | 1320 - 1520mpa specification - 4 % nickel - chromium - molybdenum case - hardening steel billets , bars , forgings and parts 1320 - 1520 mpa
含4 %镍铬钼表面硬化钢方坯棒材锻件和零件规范 |
| 10. | 1180 - 1380mpa specification - 3 % nickel - chromium - molybdenum case - hardening steel billets , bars , forgings and parts 1180 - 1380 mpa
规范. 3 %镍-铬-钼表面硬化钢方坯棒材锻件及零件 |
