Nickel Alloy 80a

Nickel Alloy 80a

Alloy 80A (alternatively known by Special Metals trade name Nimonic 80A) is a nickel chromium alloy similar to Alloy 75 but made precipitation hardenable by additions of aluminium and titanium. Alloy 80A has good corrosion and oxidation resistance and high tensile and creep rupture properties at temperatures up to 1500 deg F.

Specific Gravity

8.19 g/cm3

Typical Applications

Related Specifications


Exhaust valves

Gas turbine components

Tube supports in nuclear steam generators

BS 3076 (NA20)


BS HR601


UNS N07080

MSRR 7011

W.Nr 2.4952

W.Nr 2.4631

DIN 17742

Chemical Composition (Wt %)

  Ni Cr Fe C Mn Si S Ti Al Cu B Zr Co
Min Bal 18 1.8 1.0
Max 21 3.0 0.10 1.0 1.0 0.015 2.7 1.8 0.2 0.008 0.15 2.0

Typical Mechanical Properties

0.2% Proof Stress Tensile Strength Elongation Reduction of area Hardness
Min Min Min Min Min
620 1000 20 12 300
* Every effort has been made to ensure that our technical specifications are accurate. However, technical specifications included within Dynamic Metals Ltd should be used as a guideline only and are subject to change without notice.