ASTM A-536
General uses.
Gr 60-40-80
Gr 80-55-06
Gr 100-70-03
ASTM A-439
Ductile iron resistant to heat, corrosion and wear.
D2
D3
D4
ASTM A-476
Ductile iron for pressure containers and temperatures greater than 230°.
Gr 60 – 30
Gr 65 – 35
Gr 70 – 36
ASTM A-571
Ductile iron for pressure vessels for low temperatures.
ASTM A-602
Treated ductile iron for the automotive industry.
ASTM A-395
Ferritic ductile iron for high pressures and high temperatures.
ASTM A-897
High strength austempered ductile iron after heat treatment.