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AISI P4
Category Steel
Class Tool steel
Type Low-carbon mold steel
Designations  Germany: DIN 1.2341
United States: ASTM A681 , UNS T51604

Composition
ElementWeight %
C  0.12 
Mn  0.20-0.60 
Si  0.10-0.40 
Cr  4.00-5.25 
Mo  0.40-1.00 
Cu  0.25 
P  0.03 
S  0.03 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Glossary