M42 High-Speed Steel
Tool Steel
Basic Information
Category:Tool Steel
Material Type:alloy
Alternative Names:
M42AISI M421.3247
Tags:
high-speed-steelcobaltcutting-tools
Composition & Structure
Composition:Fe-1.1C-9.5Mo-1.5W-4Cr-1.1V-8Co
Microstructure:Martensite with complex carbides
Description
Cobalt-bearing high-speed steel with excellent hot hardness. Used for high-performance cutting tools.