Chemical Composition
Base Element
C (Carbon)
0.65 to 0.75
%    
Cr (Chromium)
20 to 22
%    
Fe (Iron)
67.3 to 72
%    (estimate)
Mn (Manganese)
5.5 to 7
%    
Mo (Molybdenum)
0.15
%  (maximum)  
Ni (Nickel)
1.4 to 1.9
%    
P (Phosphorus)
0.045
%  (maximum)  
S (Sulfur)
0.035
%  (maximum)  
Si (Silicon)
0.45 to 0.85
%    
 



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