Nimonic® 80A is also known as Nicrofer 7520 Ti, Pyromet 80A, Superimphy 80A, and Udimet 80A.
Nimonic® 80A – High-Performance Alloy for Elevated Temperatures
Nimonic® 80A, also known as Alloy 80A or 2.4952, is a nickel-chromium alloy enhanced with titanium and aluminum, offering outstanding strength and resistance to oxidation at high temperatures. This alloy is highly suitable for applications where materials are exposed to prolonged stress and elevated temperatures, making it ideal for the aerospace, energy, and automotive industries.
"Nimonic®" is registered trademarks of Special Metals Corporation group of companies.
Nimonic® 80A is renowned for its:
High-Temperature Strength – It maintains excellent mechanical strength and creep resistance even at temperatures up to 815°C.
Oxidation Resistance – This alloy offers superior oxidation resistance, allowing it to perform reliably in harsh, high-heat environments.
Durability and Stability – Thanks to its carefully balanced composition, Nimonic® 80A retains structural integrity and stability under sustained stress and heat.
Applications of Nimonic® 80A
Due to its unique properties, Nimonic® 80A is widely applied in:
Gas Turbines – The alloy is ideal for turbine blades, discs, and other components that operate under high stress and temperatures.
Exhaust Valves – In automotive and heavy machinery, Nimonic® 80A is used in exhaust systems where heat resistance is critical.
Industrial Heating Equipment – For equipment exposed to continuous high temperatures, Nimonic® 80A ensures longevity and reliability.
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|
C |
Mn |
S |
Cr |
Si |
Al |
Ti |
Fe |
Ni |
P |
Mo |
Co |
Cu |
B |
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alloy 80A |
Min % |
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|
|
18,00 |
|
0,50 |
1,80 |
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balance |
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|
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Max % |
0,10 |
1,00 |
0,015 |
21,00 |
1,00 |
1,80 |
2,70 |
3,00 |
balance |
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|
|
|
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|
2.4952 |
Min % |
0,04 |
|
|
18,00 |
|
1,00 |
1,80 |
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65,00 |
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|
|
|
|
Max % |
0,10 |
1,00 |
0,015 |
21,00 |
1,00 |
1,80 |
2,70 |
1,50 |
|
0,02 |
|
1,00 |
0,20 |
0,008 |
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|
(Key to Steel 2010) |
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N 07080 |
Min % |
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|
|
18,00 |
|
0,50 |
1,80 |
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balance |
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|
|
|
|
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Max % |
0,10 |
1,00 |
0,015 |
21,00 |
1,00 |
1,80 |
2,70 |
3,00 |
balance |
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|
|
|
|
|
|
ASTM B 637 |
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Nimonic® 80A density, melting point, coefficient of expansion, modulus of rigidity, and elasticity is indicated in the table below:
|
Density |
Melting Point |
Coefficient of Expansion |
Modulus of Rigidity |
Modulus of Elasticity |
|
8.19 g/cm³ |
1365 °C |
12.7 μm/m °C (20 – 100 °C) |
85 kN/mm² |
222 kN/mm² |
|
0.296 lb/in³ |
2490°F |
7.1 x 10-6 in/in °F (70 – 212 °F) |
12328 ksi |
32199 ksi |
The typical heat treatment of Nimonic® 80A:
|
Condition as supplied by AWI |
Type |
Temperature |
Time |
Cooling |
|
Annealed |
Age Harden |
700 °C (1290 °F) |
16 Hr |
Air |
|
Spring Temper |
Age Harden |
600 °C (1110 °F) |
16 Hr |
Air |
The typical mechanical properties of Nimonic® 80A:
|
Annealed |
|
|
|
Approx. tensile strength |
<1000 N/mm² |
<145 ksi |
|
Approx. operating temperature depending on load** and environment |
– |
– |
|
Annealed + Aged |
|
|
|
Approx. tensile strength |
1200 – 1400 N/mm² |
174 – 203 ksi |
|
Approx. operating temperature depending on load** and environment |
up to 550 °C |
up to 1020 °F |
|
Spring Temper |
|
|
|
Approx. tensile strength |
1300 – 1500 N/mm² |
189 – 218 ksi |
|
Approx. operating temperature depending on load** and environment |
– |
– |
|
Spring Temper + Aged |
|
|
|
Approx. tensile strength |
1500 – 1800 N/mm² |
218 – 261 ksi |
|
Approx. operating temperature depending on load** and environment |
up to 350 °C |
up to 660 °F |
Tel: +86 0731 82250427
E-mail: sales@evernickel.com
phone: +86 17773160488
Address: No.1 North, West Side of Xingda Avenue, Dainan Town, Xinghua City, Jiangsu, China
+86 17773160488 or at
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