Chemical Composition
Base Element
C (Carbon)
0.18
%  (maximum)  
Cr (Chromium)
2.3
%    
Fe (Iron)
96 to 96.2
%    (estimate)
Mn (Manganese)
0.55
%    
Mo (Molybdenum)
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
40000 to 85000
psi    
Ultimate Tensile Strength
70100 to 105000
psi    
Elongation
17 to 30
% strain    
 
Other Information
Material Class
Country
USA
Description
Cast: 70,000-105,000 TS; 40,000-85,000 YP; 17-30 El; 30-45 RA. For general and structural castings, gears, shafts, housings. Tough, shock resistant. ASTM A217, Alloy WC9.
Designation
BIRDSBORO-CRMO3
Specification Type
Specification Status
Source
Available forms
Similar Alloys
 
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