Nimonic 80A/UNS N07080 Sheet/Bar/Pipe
If you are planning to buy Nimonic 80A stainless steel, Nimonic 80A bar, Nimonic 80A pipe, Nimonic 80A3 sheet, Nimonic 80A fittings, Nimonic 80A flange ect, please feel free to contact Bozhong Group, equipped with productive factory, we are always at
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Nimonic 80Ais a Nickel-Chromium alloy which is precipitation hardenable. It has largely been superseded by Nimonic 90 and Inconel X-750, but because of the low Cobalt content, it is still specified for nuclear applications.

Chemical Composition Specifications Designations Key Features Typical Applications
Element Min % Max %
C 0.04 0.10
Si 1.00
Mn 1.00
S 0.015
Ag 0.0005
Al 1.00 1.80
B 0.008
Bi 0.0001
Co 2.00
Cr 18.00 21.00
Cu 0.20
Fe 1.50
Pb 0.002
Ti 1.8 2.70
Ni bal
ASTM B637
BS 3076 NA 20
BS HR 1
BS HR 601
W.Nr 2.4952
W.Nr 2.4631
UNS N07080
AWS 031
Largely superseded by Nimonic 90 & Inconel X-750
Still specified for nuclear applications due to low cobalt content
Age hardenable
High temperature dynamic applications▲
Gas turbine components
Nuclear industry
Fasteners
Density 8.19g/cm³ 0.296 lb/in³
Melting Point 1365°C 2490°F
Coefficient of Expansion 12.7 μm/m °C (20 – 100°C) 7.1 x 10-6 in/in °F (70 – 212°F)
Modulus of Rigidity 85 kN/mm² 12328 ksi
Modulus of Elasticity 222 kN/mm² 32199 ksi
Heat Treatment of Finished Parts
Condition as supplied by Alloy Wire Type Temperature Time (Hr) Cooling
°C °F
Annealed Age Harden 700 1290 16 Air
Spring Temper Age Harden 600 1110 16 Air
Properties
Condition Approx. tensile strength Approx. operating temperature
N/mm² ksi °C °F
Annealed 800 – 1000 116 – 145
Annealed + Aged 1200 – 1400 174 – 203 up to 550 up to 1020
Spring Temper 1300 – 1500 189 – 218
Spring Temper + Aged 1500 – 1800 218 – 261 up to 350 up to 660
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