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15-5PH
Category Steel
Class Stainless steel
Type Precipitation-hardening standard
Designations United States: UNS S15500

Composition
ElementWeight %
C  0.07 
Mn  1.00 
Si   1.00 
Cr   14.0-15.5 
Ni   3.5-5.5 
P   0.04 
S   0.03 
Cu   2.5-4.5 
Nb+Ta   0.15-0.45 

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) 196 25  
Tensile Strength (Mpa) 1070  25  H1025 (bar, plate, sheet, strip) more
Yield Strength (Mpa) 1000 
Elongation (%) 12 
Reduction in Area (%) 45 
Hardness (HRC) 35-42  25  H1025 (bar, plate, sheet, strip) more
Note: Values vary with flat-rolled products.

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 10.8  0-100 more  
Thermal Conductivity (W/m-K) 17.8  100 more  
Specific Heat (J/kg-K) 420  0-100   

Electric Properties
Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 770  25   
Glossary
Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.