| Hardness, Brinell |
262 - 285 |
262 - 285 |
Annealed |
| Hardness, Rockwell C |
52 |
52 |
650°C Tempering Temperature;1150°C Hardening Temperature for 10 minutes |
| |
54 |
54 |
650°C Tempering Temperature;1175°C Hardening Temperature for 5 minutes |
| |
57 |
57 |
650°C Tempering Temperature;1205°C Hardening Temperature for 3 minutes |
| |
61.5 |
61.5 |
595°C Tempering Temperature;1150°C Hardening Temperature for 10 minutes |
| |
63 |
63 |
595°C Tempering Temperature;1175°C Hardening Temperature for 5 minutes |
| |
63 |
63 |
As-Quenched; 1205°C Hardening Temperature for 3 minutes |
| |
65 |
65 |
As-Quenched; 1175°C Hardening Temperature for 5 minutes |
| |
65 |
65 |
595°C Tempering Temperature;1205°C Hardening Temperature for 3 minutes |
| |
66 |
66 |
As-Quenched; 1150°C Hardening Temperature for 10 minutes |
| Modulus of Elasticity |
234 GPa |
34000 ksi |
|
| Flexural Strength |
3957 MPa |
573900 psi |
1150°C Hardening Temperature, 550°C Tempering Temperature; 65.6 Rockwell Hardness C |
| |
4005 MPa |
580900 psi |
1190°C Hardening Temperature, 550°C Tempering Temperature; 67 Rockwell Hardness C |
| Machinability |
35 % |
35 % |
Based on W1 tool steel = 100% |
| Charpy Impact |
16.3 J |
12.0 ft-lb |
1190°C Hardening Temperature, 550°C Tempering Temperature; 67 Rockwell Hardness C |
| |
17.6 J |
13.0 ft-lb |
1150°C Hardening Temperature, 550°C Tempering Temperature; 65.6 Rockwell Hardness C |