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AISI T2
Category Steel
Class Tool steel
Type Tungsten high speed steel
Designations  United States: ASTM A600 , FED QQ-T-590 , SAE J437 , SAE J438 , UNS T12002

Composition
ElementWeight %
C  0.80-0.90 
Mn  0.20-0.40 
Si  0.20-0.40 
Cr  3.75-4.50 
Ni  0.3 
Mo  1.00 (max) 
W  17.50-19.00 
V  1.80-2.40 
Cu  0.25 
P  0.03 
S  0.03 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 8.67 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Glossary