Nitronic 40

Shapes Available

  • Round Bar


  • Aerospace
  • Manufacturing
  • Medical
  • Natural Gas

Industry Names

  • N40
  • Nitronic 40


  • Specialty Steel


  • UNS S21900 (Wrought)


  • Aircraft Applications
  • Marine Fixtures


  • Austenitic

Nitronic 40 is a specialty steel with a high manganese content. N40 has excellent resistance to high temperature corrosion as well as high strength. N40 is readily weldable and can be fabricated. Nitronic 40 is used in aircraft engine components, chemical processing and pollution control equipment. Looking for more information on Nitronic 40? Click here for our latest video on N40 or watch it below:

Please contact us to request a quote. We specialize in hard to find material.

We work closely with many manufacturers in the aerospace & defense industry. We work with NADCAP approved heat treaters and testing laboratories. We can supply DFARS compliant material.

Metal Properties
.2% Yield Strength 48 ksi
Elongation 35 %
Ultimate Tensile Strength 90 ksi
Chemical Composition
C- .08
Cr19.0 21.5
Fe- Bal
Mn8.00 10.00
N.15 .04
Ni5.50 7.50
Si- 1.00
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