nodular iron casting meaning in English

球墨铸铁件

Foundry methods for nodular iron castings with medium and small size
中小球墨铸铁件的铸造工艺
Abstract : it was verified through experiment and measurement that there was growth phenomenon taking place with nodular iron castings after graphitizing annealing at low temperature . the emergence mechanism and reason of the “ annealing growth nature ” was dicussed , and its prevention measures was proposed
文摘:通过试验和测试，证实了球铁件经低温石墨化退火后存在的生长现象，并对这种“退火生长性”产生的机理及原因进行探讨，提出了防止措施。