Physical Properties of Nickel Alloy 20 in the Annealed Condition at -20°F to +100°F
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Tensile Strength |
Yield Strength |
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Alloy |
UNS Designation |
Spec. |
psi |
MPa |
ksi |
psi |
MPa |
ksi |
Elongation in 2 in. (min.) % |
Grain Size Req. |
Max. Hardness |
Modulus of Elasticity (x106psi) |
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 |
Composition of Nickel Alloy 20 tubing and pipe
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 Product Range
Alloy |
UNS Designation |
Werkstoff NR. |
Specifications* |
20 |
N08020 |
2.4660 |
B/SB468, B/SB464 |
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Product Image
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