AISI 4140 Chromium-Molybdenum Steel

Alloy Steel

Basic Information

Category:Alloy Steel
Material Type:alloy
Alternative Names:
4140AISI 414042CrMo4
Tags:
heat-treatablehigh-strengthmachinable

Composition & Structure

Composition:Fe-0.40C-1Cr-0.25Mo-0.85Mn
Microstructure:Tempered martensite

Description

Chromium-molybdenum steel with excellent hardenability and strength. Used in high-stress applications.