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CN107 Copper Nickel Bar

For pumps, valves & flanges

CN107 finds use in marine hardware applications.

We stock CN107 - a copper-nickel alloy bar product released to the British Standard BS 2874.

The material specification is equivalent to 70/30 copper-nickel alloy and, as the name denotes, contains a mix of 70% copper (Cu) with 30 nickel (Ni). Slight traces of iron and manganese are included to improve overall strength and corrosion resistance.

Material Attributes

CN107 bars offer improved performance in more severe application environments when compared to CN102 (an equivalent to 90/10 copper-nickel). The alloy provides good levels of toughness while being marginally stronger. The product benefits from excellent corrosion resistance and good resistance to biological fouling and pitting. With excellent property retention at low temperatures, CN107 represents a perfect choice for subsea applications. Our material also displays low electrical conductivity and a moderately high melting point.

Welding the alloy is straightforward by conventional welding methods, and the product is easy to machine and form.

CN107 Copper Nickel Bar Datasheet

Commercial Uses

CN107 finds widespread use in the marine sector, including offshore, for above and subsea applications. The material is utilised in the production of pumps, valves and flanges and also proves popular in propeller sleeves, which bridge the gap between the propeller and the gear housing. CN107 is also used to manufacture pipes.

Our stock range includes a broad range of bar diameters, which we also process in-house to your size requirements.

Product Features:

    UNS C71500
    DEF STAN 02-879 Annex B
    DEF STAN 02-780
    NES 780

    Propeller sleeves
    Heat exchangers
    Marine pipework
    Pumps, flanges and valves

    Good toughness and pitting resistance
    Excellent corrosion resistance
    Stronger than CN102
    Impressive biofouling resistance

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