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Chemical Composition
|
Element |
UNS N08825 |
UNS N08221 |
|
Nickel |
38.0-46.0 |
39.0-46.0 |
|
Chromium |
19.5-23.5 |
20.0-22.0 |
|
lronA |
22.0 min |
balance |
|
Manganese |
1.0 max |
1.0 max |
|
Carbon |
0.05 max |
0.025 max |
|
Copper |
1.5-3.0 |
1.5-3.0 |
|
Silicon |
0.5 max |
0.5 max |
|
Sulfur |
0.03 max |
0.03 max |
|
Aluminum |
0.2 max |
0.2 max |
|
Titanium |
0.6-1.2 |
0.6-1.0 |
|
Molybdenum |
2.5-3.5 |
5.0-6.5 |
Note:
A. Element shall be determined arithmetically by difference.
Mechanical Properties
|
Alloy |
Condition |
Tensile Strength min, ksi (MPa) |
Yield Strength 0.2 % offset, min, ksi (MPa) |
Elongation in 2 in. or 50 mm or 4D, min,% |
|
UNS N08825 |
Annealed: Hot-finished, cold–drawn |
85 (586) |
35 (241) |
30A |
|
Forging Quality: |
B |
B |
B |
|
|
UNS N08221 |
All sizes annealed |
79 (544) |
34 (235) |
30 |
Note:
A. Not applicable to diameters or cross sections under 3⁄32 in. (2.4 mm).
B. Forging quality is furnished to chemical requirements and surface inspection only. No tensile properties are required.
