Chemical Composition
Base Element
Cu (Copper)
58 to 61
%    
Ni (Nickel)
2 to 3
%    
Zn (Zinc)
36 to 40
%    (estimate)
Balance
Composition Note
Zn 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
196 to 392
MPa    
Ultimate Tensile Strength
441 to 539
MPa    
Elongation
12 to 20
% strain    
 
Other Information
Material Class
Country
Description
45-55 kp/mm**2 TS; 20-40 kp/mm**2 YS; 12-20 El. Medium strength brass for marine applications. Cu Zn 35 Ni.
Designation
KRIEDLER SU 81
Specification Type
Specification Status
Source
Available forms
Similar Alloys
 
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