Properties of Cast Iron Alloys

Cast Iron Alloy Classifications Common Examples
Gray Iron ASTM Class # Class 25, Class 30, Class 35, Class 40
Ductile Iron Tensile Strength - Yield Strength - Elongation 60-40-18, 65-45-12, 80-50-06, 100-70-03, 120-90-02
CG Iron Minimum tensile strengths stated in MPa units 250 MPa, 300 MPa, 350 MPa, 400 MPa, 450 MPa
ADI Tensile strength - Yield - Elongation 125-80-10, 150-100-7, 175-125-4, 200-155-2, 230-185-1
White Iron Classified by their alloy content  
High Alloy Iron Classified based on the alloy content: Austenitic / Ni-Resist, HiSIMO, Si solution strengthen