Chemical Composition
Base Element
C (Carbon)
0.25
%  (maximum)  
Cr (Chromium)
0.5
%    
Fe (Iron)
97.4 to 97.6
%    (estimate)
Mn (Manganese)
0.9
%    
Mo (Molybdenum)
0.5
%    
Ni (Nickel)
0.5
%    
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
50000 to 90100
psi    
Ultimate Tensile Strength
80100 to 120000
psi    
Elongation
14 to 20
% strain    
Brinell Hardness
150 to 210
   
 
Other Information
Material Class
Country
USA
Description
Cast: 80,000-120,000 TS; 50,000-90,000 YP; 150-210 HB; 14-20 El. For general and structural applications, gears, shafts, housings. Good weldability. AISI 8620 modified.
Designation
BIRDSBORO-20A6
Specification Type
Specification Status
Source
Available forms
Similar Alloys
 
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