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