PowerSteel.eu Aerospace steel 1.4545.4 / 1.4545.9 / X5CrNiCu15-5 / 15-5PH

1.4545.4 / 1.4545.9 / X5CrNiCu15-5 / 15-5PH

Round Bars 5–240 mm
1.4545.4 / 1.4545.9 / X5CrNiCu15-5 / 15-5PH
Tensile Strength Rm:
from 1070 MPa
Yield Strength:
Working temperature:
Equivalent or similar:

About material

15-5PH / X5CrNiCu15-5 / 1.4545.4 / 1.4545.9 – High-Strength, Corrosion-Resistant Precipitation-Hardening Stainless Steel

15-5PH, also known as X5CrNiCu15-5, 1.4545.4, or 1.4545.9, is a premium precipitation-hardening stainless steel alloy that combines high strength, toughness, and excellent corrosion resistance. With its ability to be heat-treated to various strength levels, this alloy is ideal for high-performance applications in the aerospace, petrochemical, and marine industries where durability and reliability are essential.

Properties of 15-5PH

15-5PH is recognized for its:

  • High Tensile Strength and Toughness – Achieves outstanding mechanical strength through precipitation hardening, making it ideal for high-stress applications.
  • Superior Corrosion Resistance – The alloy performs well in both mildly corrosive and marine environments, offering long-term durability.
  • Dimensional Stability – Maintains stability and resists distortion under stress, ensuring precision in critical components.

Applications of 15-5PH

Thanks to its versatile properties, 15-5PH is widely used in:

  • Aerospace Components – Ideal for structural components, fasteners, and landing gear that require both strength and corrosion resistance.
  • Marine and Offshore Equipment – Suitable for shafts, valves, and other parts exposed to seawater and corrosive conditions.
  • Petrochemical and Industrial Equipment – Used in gears, shafts, and high-strength fasteners that demand resistance to wear and stability under load.

WTE PowerSteel is a global distributor of 15-5PH, offering this high-performance stainless steel in various conditions to meet specific industry needs. With a commitment to quality and technical support, WTE PowerSteel provides expert guidance in selecting and processing 15-5PH to optimize its performance for critical applications. Contact us to learn more about our worldwide distribution and the benefits of 15-5PH for your demanding projects.

WL 1.4545.4, 15-5PH, AMS 5659, UNS S15500

1.4545.4 hardened

1.4545.9 solution annealed

Chemical Analysis

C: max. 0,07 %
Cr: 15,0 – 15,5 %
Mn: max. 1,0 %
Mo: max. 0,5 %
Ni: 3,0 – 5,5 %
P: max. 0,03 %
S: max. 0,015 %
Si: max. 1,0 %
Cu: 2,5 – 4,5 %
Nb: max. 0,005 %

 

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