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AISI M44
Category Steel
Class Tool steel
Type Molybdenum high speed steel
Designations  United States: ASTM A600 , FED QQ-T-590 , UNS T11344

Composition
ElementWeight %
C  1.10-1.20 
Mn  0.20-0.40 
Si  0.30-0.55 
Cr  4.00-4.75 
Ni  0.3 
Mo  6.00-7.00 
W  5.00-5.75 
V  1.85-2.20 
Co  11.00-12.25 
Cu  0.25 
P  0.03 
S  0.03 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Glossary
Selecting the Right 3D Printer

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

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

Mechanical Engineers Outlook

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