Metal Alloys
Alloy Home
Steels
Tool Steels
General Information
Properties
Tool Steel Types
High-Speed
Hot-Work
Cold-Work
Shock-Resistant
Mold
Special-Purpose
Water-Hardening
Tool Steel List
AISI Ax
AISI Dx
AISI Hx
AISI Lx
AISI Mx
AISI Ox
AISI Px
AISI Sx
AISI Tx
AISI Wx
Specific Tool Steel
General Information
Resources
Bibliography
Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

more free publications

Materials

Design

Processes

Units

Formulas

Math
 
AISI M41
Category Steel
Class Tool steel
Type Molybdenum high speed steel
Designations  France: AFNOR 07-05-04-04-02
Germany: DIN 1.3246
United States: ASTM A600 , FED QQ-T-590 , UNS T11341

Composition
ElementWeight %
C  1.05-1.15 
Mn  0.20-0.60 
Si  0.15-0.50 
Cr  3.75-4.50 
Ni  0.3 
Mo  3.25-4.25 
W  6.25-7.00 
V  1.75-2.25 
Co  4.75-5.75 
Cu  0.25 
P  0.03 
S  0.03 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 8.17 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 9.7  20-200 more  
Glossary
FREE Publications
Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

more publications