Chemical Composition
Base Element
C (Carbon)
0.2
%  (maximum)  
Cr (Chromium)
0.4 to 0.7
%    
Cu (Copper)
0.2 to 0.4
%    
Fe (Iron)
96.5 to 98.2
%    (estimate)
Mn (Manganese)
0.75 to 1.25
%    
Ni (Nickel)
0.25 to 0.5
%    
Si (Silicon)
0.15 to 0.3
%    
V (Vanadium)
0.01 to 0.1
%    
Balance
Composition Note
Fe is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one.
 
Mechanical Properties
Yield Strength
345
MPa    
Ultimate Tensile Strength
483
MPa    
Elongation
21 to 100
% strain    
 
Other Information
Material Class
Country
USA
Description
Plate and structural shapes: 50,000 YS min; 70,000 TS min; 21 El min. For structural railroad and general manufacturing applications. Low-alloy high-tensile structural steel with improved atmospheric corrosion resistance.
Designation
MAYARI R-50
Specification Type
Specification Status
Source
Available forms
Similar Alloys
 
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