| Average Dynamic Modulus of Elasticity |
Form |
Condition |
Test Temperature |
Average Dynamic
Modulus of Elasticity |
°F |
°C |
106 psi |
GPa |
Plate |
Heat-treated at 2050°F (1121°C)
Rapid Quenched |
Room |
|
29.9 |
(206) |
|
200 |
(93) |
29.4 |
(203) |
|
400 |
(204) |
28.5 |
(196) |
|
600 |
(316) |
27.6 |
(190) |
|
800 |
(427) |
26.6 |
(183) |
|
|
1000 |
(538) |
25.7 |
(177) |
|
|
1200 |
(649) |
24.8 |
(171) |
|
|
1400 |
(760) |
23.6 |
(163) |
|
|
1600 |
(871) |
22.4 |
(154) |
|
|
1800 |
(982) |
21.1 |
(145) |
|
|
|
|
|
|
|
| Average Room Temperature Hardness |
| Form |
Hardness, Rockwell |
| Sheet |
RB 93 |
| Plate |
RB 95 |
|
| Average Impact Strength, Plate* |
| |
|
V-Notch Impact Strength |
| |
|
Room Temperature |
-320°F |
(-196°C) |
| Condition |
|
ft.-lb. |
Joules |
ft.-lb. |
Joules |
Heat Treated at 2050°F (1121°C)
Rapid Quenched |
260* |
353* |
259* |
351* |
| Aged 100hrs. at 500°F (260°C) |
- |
- |
259* |
351* |
| Aged 100hrs. at 1000°F (538°C) |
- |
- |
259* |
351* |
| Aged 100hrs. at 1000°F (538°C) |
- |
- |
87 |
118 |
| *Specimens did not break |
|
