Range attributes
Al (Aluminum)
0.15 to 0.3
%    
B (Boron)
0.003
%    
C (Carbon)
0.03
%  (maximum)  
Elongation
10 to 13
% strain    
Fe (Iron)
77.5 to 79
%    (estimate)
Nb (Niobium)
0.5
%    
Ni (Nickel)
19 to 20
%    
Rockwell Hardness C scale
49 to 53
   
Ti (Titanium)
1.3 to 1.6
%    
Ultimate Tensile Strength
1740 to 1830
MPa    
Yield Strength
1680 to 1790
MPa    
Zr (Zirconium)
0.02
%    
 
Discrete attributes
~Checking Status
Available forms
Balance
Base Element
Country
USA
Material Class
Source
Specification Status
Specification Type
 
Short text attributes
Composition Note_old
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.
Country*
USA
Description_old
Heat treated: 253,000-265,500 TS; 244,000-260,000 YS; 10-13 El; 52-59 RA; 49-53 HRC; For rocket motor cases, airframes, airborne equipment, large machinery parts, bolts, cryogenic and high temperature equipment. Maraging steel, shock resistant.
Designation
ALMAR 20
 
Long text attributes
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.
Description
Heat treated: 253,000-265,500 TS; 244,000-260,000 YS; 10-13 El; 52-59 RA; 49-53 HRC; For rocket motor cases, airframes, airborne equipment, large machinery parts, bolts, cryogenic and high temperature equipment. Maraging steel, shock resistant.
 
Hyperlink attributes
Similar Alloys
 
Integer attributes
ID
60557
Source ID
231893
 
Further Information
 



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