AISI 4142 Chromium-Molybdenum Steel

Alloy Steel

Basic Information

Category:Alloy Steel
Material Type:alloy
Alternative Names:
4142AISI 414242CrMo4
Tags:
heat-treatablehigh-strengthmachinable

Composition & Structure

Composition:Fe-0.42C-1Cr-0.2Mo
Microstructure:Ferrite and pearlite (normalized), tempered martensite (quenched and tempered)

Description

Medium-carbon chromium-molybdenum steel with good hardenability and strength. Used in automotive and machinery applications.