Copper Alloy (UNS C75400)

Jul 24 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Applications

Introduction

Copper-Nickel alloys are provided with a single-phase structure for the complete range of compositions, and a number of standard alloys are available with small variations in their composition for specific applications.

The copper UNS C75400 alloy has good corrosion and tarnish-resistances, and good formability. The following datasheet discusses the chemical composition and properties of copper UNS C75400.

Chemical Composition

The chemical composition of copper UNS C75400 is given in the following table.

Element Content (%)
Copper, Cu 65
Zinc, Zn 20
Nickel, Ni 15

Physical Properties

The following table discusses the physical properties of copper UNS C75400.

Properties Metric Imperial
Density 8.69 g/cm3 0.314 lb/in3

Mechanical Properties

The mechanical properties of UNS C75400 copper rod (cold worked) are tabulated below.

Properties Metric Imperial
Tensile strength 634 MPa 92000 psi
Yield strength 545 MPa 79000 psi
Elongation 2% 2%
Shear strength 372 Mpa 54000 ksi
Hardness 77 77

Applications

Copper UNS C75400 finds application in:

  • Food and dairy equipment fittings
  • Optical instrument components
  • Musical instrument valves and components
  • Decorative items and jewelry
  • Screws, rivets, and slide fasteners.

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