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15-5PH (UNS S15500) Precipitation-Hardening Stainless Steel
Polished Bars & Forgings for Petrochemical Applications
Key Attributes
Composition:
Cr (14-15.5%), Ni (3.5-5.5%), Cu (2.5-4.5%), Nb (0.15-0.45%), C≤0.07%
(Optimized for machinability/corrosion resistance)
Physical Properties:
Density: 7.75 g/cm³ | Melting Point: 1399℃
Performance Highlights:
Ultimate strength/toughness in extreme environments
Exceptional corrosion resistance (marine/high-temp)
Superior fatigue resistance under sustained loads
Excellent plasticity & weldability for complex fabrication
Optimal service life in H1150M condition
Industrial Applications
Ideal for demanding applications requiring optimized strength-corrosion-fatigue performance.