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SAE 955X
Category Steel
Class Alloy steel
Type HSLA (High-Strength Low-Alloy) steel

Composition

ElementWeight %
C  0.25 
Mn  1.35 
P  0.04 
S  0.05 
Si  0.90 

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  
Tensile Strength (Mpa) 485  25  (sheet and strip) more
Yield Strength (Mpa) 380 
Elongation (%) 20 
Reduction in Area (%)  
Glossary