... 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 ... galvanization, cold galvanization or colored eletroplate, powder coating and so on. 5). Quality Approvals: all casting machining partare subjected to 3 ...