Chemical Composition
Base Element
C (Carbon)
0.07
%  (maximum)  
Cr (Chromium)
15 to 17.5
%    
Cu (Copper)
3 to 5
%    
Fe (Iron)
71.4 to 79
%    (estimate)
Mn (Manganese)
1
%  (maximum)  
Ni (Nickel)
3 to 5
%    
S (Sulfur)
0.03
%  (maximum)  
Balance
Other elements
0.15-0.45 Nb+Ta
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
758
MPa    
Ultimate Tensile Strength
1030
MPa    
Elongation
10
% strain    
Rockwell Hardness C scale
38
 (maximum)  
 
Other Information
Material Class
Country
USA
Description
Condition A: 150 ksi TS; 110 ksi YS; 10 El; 38 max HRC; Precipitation hardening. For high-strength fittings, valves, bolts, shafting, pump parts, instruments.
Designation
AL TECH 17CR-4NI EZ
Specification Type
Specification Status
Similar UNS Number
S17400
Source
Available forms
Similar Alloys
 
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