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AISI S6
Category Steel
Class Tool steel
Type Shock-resisting steel
Designations  United States: ASTM A681 , FED QQ-T-570 , UNS T41906

Composition
ElementWeight %
C  0.40-0.50 
Mn  1.20-1.50 
Si  2.00-2.50 
Cr  1.20-1.50 
Mo  0.30-0.50 
V  0.20-0.40 
Cu  0.25 
P  0.03 
S  0.03 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.75 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) 12.6  20-425 more  
Glossary