Chemical Composition
Base Element
C (Carbon)
0.50 to 0.65
%    
Cr (Chromium)
3.75 to 4.50
%    
Mn (Manganese)
0.15 to 0.40
%    
Mo (Molybdenum)
7.75 to 8.50
%    
P (Phosphorus)
0.030
%  (maximum)  
S (Sulfur)
0.030
%  (maximum)  
Si (Silicon)
0.20 to 0.45
%    
V (Vanadium)
1.80 to 2.20
%    
 
Mechanical Properties
Tabular Data
 
Other Information
Material Class
Country
USA
Standards Body
Description
Hot-Work Tool Steel (H-43)
Designation
UNS T20843
Specification Type
Specification
UNS T20843
Specification Year
2008
Specification Status
Similar UNS Number
T20843
Equivalent Standards
AISI H-43 ASTM A681 (H-43)
Organization
Unified Numbering System (joint publication of ASTM and SAE)
Similar Alloys
 
Links
 



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