ASTM B473 Standard for nickel alloy bar and wire
This specification covers UNSN08020,UNSN08026,and UNSN08024 bar and wire other than required for reforging.
| Chemical Requirements |
| Element |
UNS N08026 |
UNS N08020 |
UNS N08024 |
| C max |
0.03 |
0.07 |
0.03 |
| Mn,max |
1 |
2 |
1 |
| P,max |
0.03 |
0.046 |
0.035 |
| S, max |
0.03 |
0.035 |
0.035 |
| Si,max |
0.5 |
1 |
0.5 |
| Ni |
33.00 to 37.20 |
32.00 to 38.00 |
35.00-40.00 |
| Cr |
22.00 to 26.00 |
19.00 to 21.00 |
22.50 to 25.00 |
| Mo |
5.00 to 6.70 |
2.00 to 3.00 |
3.50 to 5.00 |
| Cu |
2.00 to 4.00 |
3.00 to 4.00 |
0.50 to 1.50 |
| Nb+Ta |
... |
8*carbon-1.00 |
0.15 to 0.35 |
| N |
0.10 to 0.16 |
... |
... |
| Fe |
remainder |
remainder |
remainder |
| Mechanical Property Requirements |
| Condition |
Diameter or thickness,in(mm) |
Tensile Strength, min |
Yield Strength, min |
Elongation in 2 in.(50.8mm), min,% |
Reduction of area, min, % |
| ksi |
MPa |
ksi |
MPa |
| Annealed, hot finished or cold finished |
|
All |
80 |
551 |
35 |
241 |
30.8 |
50 |
| Annealed, stran-hardened |
|
Up to 2(50.8)incl |
90 |
620 |
60 |
415 |
15 |
40 |
