Spring steel - 50crvA 


 Chemical composition: 






 C carbon 
 Si silicon 
 Cr chromium 
 Mn Mn 
 Mo Mo 
 V vanadium 
 W tungsten 
 Ni Nickel 
 P phosphorus 
 S sulfur 


 0.46-0.54 
 0.17-0.37 
 0.80-1.10 
 0.50-0.80 

 0.10-0.20 









 Properties and Uses: 



 With good mechanical properties and processes, good hardenability, good temper resistance, high fatigue strength, good low temperature impact toughness, weldability is poor, usually in the quenching and tempering