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AerMet® 100

An age-hardenable alloy, AerMet® 100 is an ultra-high strength martensitic stainless steel.

AerMet® 100 has high strength and superior toughness combined with exceptional ductility and hardness. The alloy is designed for components that need to have ultra-high strength.


Product form Size range from Size range to
AerMet® 100 round bar 15.88 mm 203.2 mm

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    Round Bar

Chemical Analysis

% Ni Cr Mo Co C Fe
Min 11 2.9 1.1 13 0.21 Balance
Max 12 3.3 1.3 14 0.25 Balance


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AerMet® 100 can be used in a variety of applications including:

  • Fastners
  • Landing Gear
  • Actuators
  • Ordnance
  • Ballistic Tolerant Components
  • Jet Engine Shafts
  • Drive Shafts

About AerMet® 100

AerMet® 100 provides high hardness and ultra-high strength combined with exceptional ductility and fracture toughness. The alloy has a minimum tensile strength of 1930 MPa (280 ksi) and a minimum fracture toughness of 100 ksi.

The exceptional combination of hardness, toughness, tensile strength and ductility  makes this alloy a candidate for aerospace applications including landing gear, engine shafts and drive shafts.

AerMet® 100 may be considered for use up to about 427°C.

To know more about Aermet® 100 please contact us or fill in our online quote form and we’ll get right back to you.



AerMet® is a registered trademark of CRS Holdings, Inc., a subsidiary of Carpenter Technology Corporation.


7.89 g/cm³
51-55.5 HRC
Electrical Resistivity:
0.43 µΩ.m


UNS Number:
AMS 6532
Download the AerMet® 100 Data Sheet Download

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