Ductile iron casting parts 1.Casting in high quality 2.Smooth casting, ... 3.GB, ANSI, API, DIN, BS, JIS Ductile Iron Casting Detail:1). Ductile iron casting machining part are smooth, well cleaned, free ... according to your samples or drawing.3). Material Available: Ductile iron QT450, ASTM A536 65-45.12, ASTM 8620, ASTM 8630 ...