Phone: 651-778-3300 Fax: 651-778-1321 867 Forest Street, St. Paul, MN 55106
Foundry
Metals List

Metals List

Grades of Gray Iron

Specification Grade Tensile
Strength
Hardness
(B.H.N)
SAE J431
ASTM A-159
G2500
Class 25 25,000 170-229
G3000 Class 30 30,000 187-241
G3500 Class 35 35,000 207-255
G4000 Class 40 40,000 217-269

Grades of Ductile (Nodular) Iron

Specification Grade Tensile
Strength
Yield
Strength
Elongation
% in 2"
Hardness
(B.H.N)
SAE
J434c
D-4018 60,000 40,000 18 170 Max.
D-4512 65,000 45,000 12 156-217
D-5506 80,000 55,000 6 187-255
D-7003 100,000 70,000 3 241-302
ASTM
A536
65-45-12 65,000 45,000 12 156-217
80-55-06 80,000 55,000 6 187-255
80-60-03 80,000 60,000 3 201 Min.
100-70-03 100,000 70,000 3 241-302
120-90-02 120,000 90,000 2 269-341

Grades of Austempered Ductile Iron

Grade
ASTM A897
Tensile
Strength
Yield
Strength
Elongation
% in 2"
Hardness
(B.H.N)
130/90/09 130,000 90,000 9 269-341
150/110/07 150,000 110,000 7 302-375
175/125/04 175,000 125,000 4 341-444
200/155/02 200,000 155,000 2 388-477