Supreme Steels

15-5 PH

Alloy 15-5 PH - Precipitation-Hardening Stainless Steel

Alloy 15-5 PH is a precipitation-hardening stainless steel known for its high strength, good corrosion resistance, and excellent fatigue resistance. It is designed for applications that require high mechanical properties, toughness, and good performance in aggressive environments, making it ideal for aerospace, chemical, and high-performance structural applications.

Features of 15-5 PH :

Specifications of Alloy 15-5 PH:

Applicable Standards:

Mechanical Properties (Heat Treated):

Property Value
Tensile Strength ~1300 MPa
Yield Strength ~1100 MPa
Elongation ~10-12%
Hardness (HRC) 40-45 HRC
Density 7.80 g/cm³

Thermal Properties:

Chemical Composition:

Element Percentage (%)
Chromium (Cr) 14.0-15.5
Nickel (Ni) 3.5-5.5
Molybdenum (Mo) 3.0-4.0
Copper (Cu) 2.5-4.5
Carbon (C) 0.05-0.15
Manganese (Mn) 1.0-2.0
Silicon (Si) ≤1.0
Phosphorus (P) ≤0.04
Sulfur (S) ≤0.03