C76400(DIN 2.0740,CuNi18Zn20,CW409J,BZn18-18)

Short Introduction:

  • As a professional steel manufacturer of superalloy in China, Shanghai HY Industry Co., Ltd has 20 years of manufacturing experience in copper-nickel alloy, including C76400.
    C76400 is a copper-nickel alloy formulated for primary forming into wrought products. C76400 is the UNS number for this material.

    Description

    C76400(DIN 2.0740,CuNi18Zn20,CW409J)

    C76400(DIN 2.0740,CuNi18Zn20,CW409J,BZn18-18)

    C76400 nickel silver is a copper-nickel alloy formulated for primary forming into wrought products. C76400 is the UNS number for this material. Additionally, the EN chemical designation is CuNi18Zn20. It can have a moderately high tensile strength among the wrought copper-nickels in the database.

    Common applications include:

    • Coins, caps for quartz crystals

    • Electromagnetic shieldings

    • Deep drawing parts

    • Tableware, security keys, cutlery

    • Contact springs, connector, leaf springs for relays, electric contacts

    Chemical Composition

    Element

    Cu(1,2)

    Pb

    Zn

    Fe

    Ni(3)

    Mn

    (1) Cu value includes Ag.(2) Cu + Sum of Named Elements 99.5% min.(3) Ni value includes Co.

    Min (%)

    58.5

    16.5

    Max (%)

    61.5

    0.05

    Rem

    0.25

    19.5

    0.50

    Applicable Specifications
    Form System Standard Description
    Bar ASTM B151/B151M COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL ROD AND BAR
    Rod ASTM B151/B151M COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL ROD AND BAR
    Wire ASTM B206/B206M COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER WIRE) AND COPPER-NICKEL ALLOY WIRE