Chemical Composition
Base Element
C (Carbon)
0.3
%  (maximum)  
Fe (Iron)
99 to 99.3
%    (estimate)
Mn (Manganese)
0.7
%    
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
35 to 55
ksi    
Ultimate Tensile Strength
65 to 80.1
ksi    
Elongation
24 to 30
% strain    
Brinell Hardness
125 to 160
   
 
Other Information
Material Class
Country
USA
Description
Cast: 65,000-80,000 TS; 35,000-55,000 YP; 125-160 HB; 24-30 El. For general and structural applications, gears, housings. Excellent weldability. AISI 1025.
Designation
BIRDSBORO-25 CN
Specification Type
Specification Status
Source
Available forms
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