Nickel Alloy 20
Composition of Pipe and Tubing
| Grade | 20 |
|---|
| UNS Designation | N08020 |
|---|
| Nickel (Ni) |
32.00–38.00 |
| Chromium (Cr) |
19.00–21.00 |
| Iron (Fe) |
Bal. |
| Molybdenum (Mo) |
2.00–3.00 |
| Titanium (Ti) Max. |
— |
| Aluminum (Al) Max. |
— |
| Cobalt (Co) Max. |
— |
| Tungsten (W) |
— |
| Vanadium (V) Max. |
— |
| Copper (Cu) Max. |
3.00–4.00 |
| Manganese (Mn) Max. |
2.00 |
| Niobium (Nb) plus Tantalum |
8xC–1.00 |
| Carbon (C) Max. |
0.07 |
| Nitrogen (N) Max. |
— |
| Silicon (Si) Max. |
1.00 |
| Sulphur (S) Max. |
0.035 |
| Phosphorous (P) Max. |
0.045 |
| Other Elements |
— |
Nickel Alloy 20
Physical Properties in the Annealed Condition at -20°F to +100°F
| | | | Tensile Strength | Yield Strength | | | | | | |
|---|
| Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 in. (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106 psi) | Mean Coefficient of Thermal Expansion ((IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ ft2-h-°F) |
|---|
| 20 |
N08020 |
B464,
B468 |
80,000 |
551 |
80 |
35,000 |
241 |
35 |
30 |
— |
— |
28 |
8.3 |
148 |
Nickel Alloy 20
Product Range
| Alloy | UNS Designation | Werkstoff NR. | Specifications* |
|---|
| 20 |
N08020 |
2.4660 |
B/SB468, B/SB464 |
*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.