Chemical Composition
Base Element
C (Carbon)
0.35
%    
Cr (Chromium)
5.15
%    
Fe (Iron)
90.3
%    (estimate)
Mo (Molybdenum)
1.65
%    
Si (Silicon)
1.05
%    
W (Tungsten)
1.55
%    
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
Yield Strength
1280
MPa    
Ultimate Tensile Strength
1490
MPa    
Elongation
14
% strain    
Rockwell Hardness C scale
56
   
 
Other Information
Material Class
Country
USA
Description
Heat treated: 216,000 TS; 185,000 YS; 14 El; 52 RA; 56 HRC; For trimmer and hot-forging dies, die-casting dies, hot shear blades, punches. Type H12; hot-work steel, oil hardened.
Designation
CROMO W
Specification Type
Specification Status
Source
Available forms
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