Chemical Composition
Base Element
C (Carbon)
0.55
%    
Cr (Chromium)
5
%    
Fe (Iron)
90.7
%    (estimate)
Mn (Manganese)
0.3
%    
Mo (Molybdenum)
1.3
%    
Si (Silicon)
0.9
%    
W (Tungsten)
1.25
%    
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
Rockwell Hardness C scale
57 to 60
   
 
Other Information
Material Class
Country
USA
Description
Usual hardness 57-60 HRC; Punch and die steel for hot and cold work applications, For shear blades, chipper knives, forming dies, forging dies, back up rolls, and plastic molds. AISI A8.
Designation
AL TECH A-8
Specification Type
Specification Status
Source
Available forms
Similar Alloys
 
Links
 



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