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PH 13-8Mo
Category Steel
Class Stainless steel
Type Precipitation-hardening standard

ElementWeight %
C  0.05 
Mn  0.10 
Si  0.10 
Cr  12.25-13.25 
Ni  7.5-8.5 
P  0.01 
S  0.008 
Mo  2.0-2.5 
Al  0.90-135 
N  0.01 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.8 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 203 25  
Tensile Strength (Mpa) 1380  25  H1000 (bar, plate, sheet, strip) more
Yield Strength (Mpa) 1310 
Elongation (%)
Reduction in Area (%) 45 

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 10.6  0-100 more  
Thermal Conductivity (W/m-K) 14  100 more  
Specific Heat (J/kg-K) 460  0-100   

Electric Properties
Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 1020  25