Room Temperature*
Form
|
Aging Temperature
|
Aging Time
|
Hardness
|
°F
|
°C
|
h
|
HRA
|
Sheet |
Solution-annealed |
- |
52 |
1000 |
538 |
1000 |
64 |
4000 |
66 |
8000 |
65 |
16000 |
67 |
1200 |
649 |
1000 |
56 |
4000 |
55 |
8000 |
56 |
16000 |
55 |
1400 |
760 |
1000 |
54 |
4000 |
54 |
8000 |
53 |
16000 |
54 |
Plate |
Solution-annealed |
- |
57 |
800 |
427 |
1000 |
57 |
4000 |
52 |
8000 |
52 |
16000 |
56 |
1000 |
538 |
1000 |
64 |
4000 |
63 |
8000 |
65 |
16000 |
67 |
1200 |
649 |
1000 |
57 |
4000 |
55 |
8000 |
56 |
16000 |
57 |
1400 |
760 |
1000 |
57 |
4000 |
57 |
8000 |
56 |
16000 |
57 |
1600 |
871 |
1000 |
56 |
4000 |
56 |
8000 |
54 |
16000 |
54 |
All
Weld Metal** |
As-Welded |
- |
56 |
1000 |
538 |
1300 |
64 |
4000 |
66 |
1200 |
649 |
1000 |
55 |
4000 |
59 |
8000 |
57 |
16000 |
58 |
*Single tests from a single hear for each form **Gas tungsten arc welded
HRA = Hardness Rockwell “A"