| 1. | Research on high - density carbonization of carburizing steel
渗碳钢高浓度渗碳的研究 |
| 2. | Carburizing steels of bearing for freight rolling bearing
铁路货车滚动轴承用渗碳轴承钢 |
| 3. | Specification for carburizing steels of bearings
渗碳轴承钢技术条件 |
| 4. | Standard specification for carburizing steels for anti - friction bearings
耐摩擦轴承用渗碳钢的标准规范 |
| 5. | Carbon carburizing steel
碳素渗碳钢 |
| 6. | Reasons and improving measures for processing difficult after preparatory heat treatment of 20crmnti carburizing steel
渗碳钢预备热处理后加工困难的原因及改进措施 |
| 7. | High alloy carburizing steel and 20crmnti structure steel etc . they also can be used for oil - quenching , gas - quenching and annealing of tool and mould steel , all kinds of steels used in precision bearing , parts of oil - pump , nozzle and precision machine
等结构钢的渗碳及渗碳后的淬火，工模具钢精密轴承油泵油嘴机械件精密机器零件等各种钢的气淬退火等。 |
