About Smiths Advanced

We are a leading stockholder and global supplier of metals and plastics into Aerospace & Space, Chemical, Defence, Medical, MRO, Naval, Nuclear, Oil & Gas and Power industries.

We make high quality materials available in a fast, cost-effective and convenient package and provide a consistent supply path for all our customers.

UKAS Laboratory

15-5PH Stainless Steel Bar

Precipitation hardened stainless steel.

15-5PH offers all the attractive performance characteristics of 17-4PH, including excellent ductility.

Our 15-5PH stainless steel bar stock offers good corrosion resistance with high strength.

15-5PH is an American aerospace-grade martensitic precipitation-hardening stainless steel. The alloy is a variant of 17-4PH alloy developed to offer improved toughness. 15-5PH offers all the attractive performance characteristics of 17-4PH, including excellent ductility and transverse notch toughness - all from a single, low-temperature heat treatment. Heat treatment is conducted at a temperature range of 482°C (900°F) to 621°C (1150°F) though specific figures are dictated by the actual toughness and strength required. The alloy also offers good corrosion resistance, and the mechanical properties are also superior when compared to 17-4PH in larger sections.

Commercial Applications

Typical applications for this material include oil and gas sector components, aircraft flap tracks, engine pylons, structural aerospace components, chemical processing equipment and nuclear reactor components.

15-5PH Stainless Steel Bar Datasheet

Stock Availability

We stock 15-5PH stainless steel bars in a wide range of sizes, shapes and tempers (including annealed, H950, H1025, H1050, H1100 and H1150 tempers).

Product Features:

    ASTM A564
    ASTM A604
    UNS S15500
    Z7CNU 15.05

    Oil & gas sector components
    Aircraft flap tracks
    Engine pylons
    Structural aerospace components

    Moderate corrosion resistance
    High strength developed by ageing treatment
    Excellent transverse toughness
    Good corrosion resistance

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