Tensile strength |
620 MPa |
89900 psi |
Yield strength |
415 MPa |
60200 psi |
Bulk modulus (typical for steels) |
140 GPa |
20300 ksi |
Shear modulus (typical for steels) |
80 GPa |
11600 ksi |
Elastic modulus |
190-210 GPa |
27557-30458 ksi |
Poisson’s ratio |
0.27-0.30 |
0.27-0.30 |
Elongation at break (in 50 mm) |
25% |
25% |
Reduction of area |
50% |
50% |
Hardness, Brinell |
201 |
201 |
Hardness, Knoop (converted from Brinell hardness) |
223 |
223 |
Hardness, Rockwell B (converted from Brinell hardness) |
93 |
93 |
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison
purposes only) |
13 |
13 |
Hardness, Vickers (converted from Brinell hardness) |
211 |
211 |
Izod impact (annealed at 790°C (1450°F)) |
45 J |
33.2 ft-lb |
Izod impact (as rolled) |
49 J |
36.1 ft-lb |
Izod impact (normalized at 900°C (1650°F) |
65 J |
47.9 ft-lb |