Chemical Composition
Base Element
C (Carbon)
0.02
%  (maximum)  
Cr (Chromium)
19.5 to 20.5
%    
Cu (Copper)
0.5 to 1
%    
Mn (Manganese)
1
%  (maximum)  
Mo (Molybdenum)
6 to 6.5
%    
Ni (Nickel)
17.5 to 18.5
%    
P (Phosphorus)
0.03
%  (maximum)  
S (Sulfur)
0.01
%  (maximum)  
Si (Silicon)
0.8
%  (maximum)  
Other elements
N2C = 0.18 to 0.22
 
Mechanical Properties
Tabular Data
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DimensionsYield Strength (MPa)Ultimate Tensile Strength (MPa)Elongation (% strain)
None Specified≥ 303648 to 820≥ 28
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Yield Strength
303
MPa  (minimum)  
Ultimate Tensile Strength
648 to 820
MPa    
Elongation
28
% strain  (minimum)  
Notes on Mechanical Properties
Elongation in 4 D
 
Other Information
Material Class
Alloy Family
Alloy Group
Alloy Sub-Group
F44
Country
USA
Standards Body
Description
Wrought austenitic stainless steel piping fittings for pressure piping applications; longitudinal
Alternate Name
Grade CR S31254
Designation
Grade WP S31254
Specification Type
Specification
ASME SA403/SA403M
Specification Year
2011
Specification Status
Similar UNS Number
S31254
Source
Organization
ASME International (ASME)
Similar Alloys
 
Links
 



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