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

NES 835 Copper Bar

DEF STAN 02-835 Grade 1

NES 835 is suitable for high strength critical components in a broader range of industries.

NES 835 copper-nickel bars benefit from high mechanical strength.

NES 835 is a precipitation-hardenable copper-nickel.

This alloy is a hot-forged engineering material, containing 14.5% nickel, 4.5% manganese and small additions of iron and aluminium. This grade provides high mechanical strength with excellent corrosion and biofouling resistance. Although developed primarily for offshore and marine applications, NES 835 is suitable for high-strength critical components in a broader range of industries, including petrochemical, automotive and general engineering. NES835 is not susceptible to hydrogen embrittlement and offers high-impact strength.


NES 835 is produced to the specific requirements of the Ministry of Defence DEF STAN 02-835; we also supply bars with a diameter greater than 15mm with ultrasonic inspection complying with DEF STAN 02-729 Part 5.

NES 835 Copper Bar Datasheet

Stock Availability

We stock NES 835 in a variety of incremental sizes for immediate supply.

Product Features:

    DEF STAN 02-835
    UNS C72420

    Above sea and subsea components
    Critical marine fasteners
    Marine and Naval applications
    Valves and shafts

    High mechanical strength
    Excellent corrosion & biofouling resistance
    Good stress corrosion cracking resistance
    High toughness

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