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Chemical Composition
|
|
Composition, % |
||
|
UNS N08026 |
UNS N08020 |
UNS N08024 |
|
|
Carbon, max |
0.03 |
0.07 |
0.03 |
|
Manganese, max |
1.00 |
2.00 |
1.00 |
|
Phosphorus, max |
0.03 |
0.045 |
0.035 |
|
Sulfur, max |
0.03 |
0.035 |
0.035 |
|
Silicon, max |
0.50 |
1.00 |
0.50 |
|
Nickel |
33.00 to 37.20 |
32.00 to 38.00 |
35.00 to 40.00 |
|
Chromium |
22.00 to 26.00 |
19.00 to 21.00 |
22.50 to 25.00 |
|
Molybdenum |
5.00 to 6.70 |
2.00 to 3.00 |
3.50 to 5.00 |
|
Copper |
2.00 to 4.00 |
3.00 to 4.00 |
0.50 to 1.50 |
|
Columbium (Nb) + tantalum |
... |
8 x carbon – 1.00 |
0.15 to 0.35 |
|
Nitrogen |
0.10 to 0.16 |
... |
... |
|
Iron |
remainderA |
remainderA |
remainderA |
Note:
A. By difference
Mechanical Properties
|
Condition |
Diameter or Thickness, in. (mm) |
Tensile Strength, min |
Yield Strength, min |
Elongation in 2 in. (50.8 mm), min, % |
Reduction of area, min, % |
||
|
ksi |
MPa |
ksi |
MPa |
||||
|
Annealed, hot finished or cold finished |
All |
80 |
551 |
35 |
241 |
30.0B |
50.0 |
|
Annealed, strain-hardened |
Up to 2 (50.8) incl |
90 |
620 |
60 |
415 |
15.0 |
40.0 |
Note:
A. For wire only, tensile strength 90 to 120.0 ksi (620 to 830 MPa); no requirements on yield strength, elongation, and reduction of area.
B. Cold-finished shapes require only 15 %, minimum, elongation.
