Go to Top
Call Us For A Quote: 800-445-2125

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.

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

DISCLAIMER: The information provided on this Web site, technical or otherwise, is merely for informational purposes, and is not intended to serve as a guide, manual, instructions, or any kind reference for proper safety procedures or material purchasing. Michlin Metals makes no warranty, express or implied, based on the statements on this Web site and, as such, will not be liable for any damages, either direct or indirect, including but not limited to consequential damages, such as damages for loss of profits, that may arise based on reliance on the information provided on this Web site. Some information has been referenced from reliable industry sources. Tradenames listed are the sole property of the tradename owners. Michlin Metals typically provides branded products through its relationships with mills and authorized re-sellers. Equivalent non-branded product is sometimes also available through certified sources of such products. Michlin Metals will never substitute non-branded product when branded product is requested.

Call us now! 847-272-3240