Skip to main content Skip to search Skip to main navigation
Job portal
Steel-Servicecenter

1.4109 / ~X70CrMo15 / AISI 440A

Properties
AISI 440A is a Cr-Mo-alloyed stainless martensitic steel with good hardenability and excellent wear resistance.

Delivery Condition
- annealed (+A)

Application Area
High demands on wear as well as on cutting edge retention. High surface qualities.

Typical Applications
- Surgical instruments
- Fuel injections systems
- Cutting tools
- Ball and roller bearings

Grade no.: 1.4109
Grade name: AISI 440A, ~X70CrMo15