Copper Alloy (UNS C74000)

Jul 26 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations
Applications

Introduction

Copper is found in minerals such as bornite, chalcopyrite, azurite, malachite and cuprite. The different grades of unalloyed copper vary in the amount of impurities and hence they behave differently.

The following datasheet discusses the chemical composition and properties of copper UNS C74000.

Chemical Composition

The chemical composition of copper UNS C74000 is given in the following table.

Element Content (%)
Copper, Cu 69-73.5
Nickel, Ni 9-11
Manganese, Mn 0.5
Iron, Fe 0.25
Lead, Pb 0.05
Zinc, Zn Remainder

Physical Properties

The following table discusses the physical properties of copper UNS C74000.

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

Mechanical Properties

The mechanical properties of UNS C74000 copper wires (H01-Temper) are tabulated below.

Properties Metric Imperial
Tensile strength 380-485 MPa 55-70 ksi
Rockwell hardness 60-80 60-80

Other Designations

An equivalent material to UNS C74000 copper alloy includes ASTM B122.

Applications

Copper UNS C74000 finds application in:

  • Exchanger shells
  • Power plants
  • Seawater piping
  • Condensers.

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