Nickel Alloy 20
Pipe & TubingProduct Information
Composition of Nickel Alloy 20 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 | — |
Physical Properties of Nickel Alloy 20 in the Annealed Condition at -20°F to +100°F
| Â | Â | Â | Tensile Strength | Yield Strength | Â | Â | Â | Â | Â | Â | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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.
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