| 1. | Standard specification for austenitic ductile iron castings
奥氏体可锻铸铁铸件 |
| 2. | Standard reference radiographs for ductile iron castings
球墨铁铸件的参考射线照片 |
| 3. | Standard specification for ductile iron castings
球墨铸铁件的标准规范 |
| 4. | Standard specification for ductile iron castings for paper mill dryer rolls
造纸厂干燥机辊用球墨铸铁铸件的标准规范 |
| 5. | Standard specification for ferritic ductile iron castings suitable for low - temperature service
低温设备用铁素体球墨铸铁铸件的标准规范 |
| 6. | Standard specification for austenitic ductile iron castings for pressure - containing parts suitable for low - temperature service
适用于低温设备的承压零部件用奥氏体球墨铸铁铸件标准规范 |
| 7. | The product is locked in grey iron and ductile iron castings due to the increased demand in the u . s . market . the price will follow the competition - oriented principle after studying the cost , demand and competition of the castings
美国市场需求主要是灰铸铁件和球墨铸铁件，基于这一基本需求和现有优势，将产品定位在灰铁和球铁铸件上，重点将放在球墨铸铁铸件的出口上。 |
| 8. | The production practice showed that , as along as adopting hi - quality ductile iron castings which has reasonable chemical composition including proper alloying elements and satisfactory as - cast structure , and adopting effective heat treatment process , the comprehensive mechanical properties of adi could be greatly increased and it was concluded that it is possible to produce high toughness adi castings with stable quality
生产实践证明：设计合理的化学成分，经过适当的合金化，铸造优质的球铁毛坯，采用有效的热处理工艺，可大幅度提高等淬球铁的综合力学性能，稳定生产高韧性等淬球铁铸件。 |
