The inoculant block hasbeen used in foundry NO. 2 of DFL,and castings of QT450-10 are gained as-cast, theeconomic profit was obvious.

• 新型型内孕育块已在东风汽车公司有限公司铸造二厂完成生产性验证,在QT450-10材质的铸件上实现了铸态稳定生产,并获得了显著的经济效益。