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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.

Supply Packages

347 Stainless Steel Sheet

For demanding high-temperature applications.

347 stainless steel is stabilised with tantalum and columbium during the alloying process.

We stock 347 stainless steel sheet, which is a multi-purpose engineering material with excellent heat and corrosion resistance.

347 is a multi-purpose austenitic stainless steel offering excellent heat and corrosion resistance. With improved mechanical properties compared to grade 304, the alloy is suitable for more demanding high-temperature applications. 347 stainless steel is stabilised with tantalum and columbium during the alloying process and provides excellent resistance to intergranular corrosion to temperatures ranging from 427 to 816°C (800 to 1500°F). The alloy is, therefore, highly suitable for service in aqueous and low-temperature environments.

The material may be hardened by cold working and is non-magnetic. The weldability of the alloy is also superior.


Commercial Applications

Typical applications include heat exchangers, pressure vessels, nuclear components and aerospace parts.



347 Stainless Steel Sheet Datasheet

Stock Availability

Smiths Advanced Metals stocks 347 stainless sheets in the solution heat-treated (annealed) condition. Sheets from grade 347 are available in various thicknesses.



Product Features:

    AMS5512
    ASME SA240
    ASTM A240, ATSM A262
    BS S527, BS S500
    MIL-S-6721
    UNS S34700

    Pressure vessels
    Heat exchangers
    Nuclear components
    Aerospace parts

    Excellent oxidation resistance
    Very good weldability
    Excellent toughness at sub-zero temperatures
    Excellent resistance to intergranular corrosion

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