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AISI M33
Category Steel
Class Tool steel
Type Molybdenum high speed steel
Designations  Germany: DIN 1.3249
United Kingdom: B.S. BM 34
United States: ASTM A600 , FED QQ-T-590 , UNS T11333

Composition
ElementWeight %
C  0.85-0.92 
Mn  0.15-0.40 
Si  0.15-0.50 
Cr  3.50-4.00 
Ni  0.3 
Mo  9.00-10.00 
W  1.30-2.10 
V  1.00-1.35 
Co  7.75-8.75 
Cu  0.25 
P  0.03 
S  0.03 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 8.03 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) 11  20-425 more  
Glossary
Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

Selecting the Right 3D Printer

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

STEM Career Outlook

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

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.