Copper Alloy (UNS C82700)

Jun 21 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Applications

Introduction

A copper alloy is an alloy of primarily copper, mixed with different alloying elements that give rise to a wide range of materials having good strength, ductility, formability, machinability and electrical conductivity.

Copper UNS C82700 alloy is a high-copper alloy. The following datasheet discusses the chemical composition and properties of copper UNS C82700.

Chemical Composition

The chemical composition of copper UNS C82700 is given in the following table.

Element Content (%)
Beryllium, Be 2.35-2.55
Iron, Fe 0.25
Silicon, Si 0.15
Nickel, Ni 1-1.5
Aluminum, Al 0.15
Tin, Sn 0.1
Zinc, Zn 0.1
Chromium, Cr 0.09
Lead, Pb 0.02
Copper, Cu Balance

Physical Properties

The following table discusses the physical properties of copper UNS C82700.

Properties Metric Imperial
Density 8.78 g/cm3 0.317 lb/in3

Mechanical Properties

The mechanical properties of UNS C82700 copper alloy are tabulated below.

Properties Metric Imperial
Tensile strength 1069 MPa 155000 psi
Yield strength 896 MPa 130000 psi
Elongation 2% 2%
Rockwell C hardness 39 39

Applications

Copper UNS C82700 finds application in:

  • Bearings
  • Molds for plastic parts.

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