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.

Processing Services

17-4PH Stainless Steel Bar

For high-strength applications.

17-4PH is readily weldable by all conventional methods, and there is no requirement for pre or post heating.

17-4PH stainless steel bars are precipitation hardened and suitable for higher-strength applications.

17-4PH is a nickel-chromium precipitation-hardening stainless steel suitable for applications requiring much higher strength, toughness and good corrosion resistance. The alloy offers various attractive performance characteristics. The material possesses good stress corrosion resistance, high fatigue resistance and resistance to galling. 17-4PH is readily weldable by all conventional methods, and there is no requirement for pre or post-heating, which is usually the case for standard hardenable stainless steels. A single, low-temperature heat treatment will harden the alloy.


17-4PH is highly suitable for applications where the production of intricate parts is a requirement, especially if these parts require machining, welding and have freedom from distortion. Examples include aircraft structural parts, high-performance fasteners, pump shafts, valve stems and gears.

17-4PH Stainless Steel Bar Datasheet

Stock Availability

We stock and supply 17-4PH stainless steel bars in a wide range of sizes, shapes and tempers (including annealed, H925, H1000, H1025, H1100 and H1150).

Product Features:

    AMS5622, AMS5643
    ASMESA564, ASTM A564
    LN1013, LN668
    MSRR 6601
    UNS S17400
    Z6CNU 17.04, Z8CND 17.04

    Pump shafts
    Valve stems and gears
    High-performance fasteners
    Aircraft structural parts

    High strength and toughness
    Good Transverse properties in remelted grade
    Good corrosion resistance
    Good galling resistance properties

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