Copper (UNS C61500)

May 23 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Fabrication
Applications

Introduction

Aluminum bronze alloys are a category of copper alloys that are known to be tarnish-resistant with minimal corrosion in atmospheric conditions and minimal oxidation rates at high temperatures.

Copper UNS C61500 is an aluminum bronze wrought alloy. It has good to excellent corrosion resistance. The following datasheet discusses the chemical composition and properties of copper UNS C61500.

Chemical Composition

The chemical composition of UNS C61500 copper alloy is outlined in the following table.

Elements Content (%)
Aluminum Al 7.7-8.3
Nickel, Ni 1.8-2.2
Lead, Pb 0.015
Copper, Cu Balance

Physical Properties

The following table discusses the physical properties of copper UNS C61500.

Properties Metric Imperial
Density 7.65 g/cm3 0.276 lb/in3
Melting point 1030 - 1040 °C 1890 - 1900 °F

Mechanical Properties

The mechanical properties of copper UNS C61500 are tabulated below.

Properties Metric Imperial
Tensile strength 483 - 1000 MPa 70100 - 145000 psi
Yield strength 152 - 965 MPa 22000 - 140000 psi
Modulus of elasticity 112 GPa 16200 ksi
Poisson’s ratio 0.34 0.34
Elongation at break 55% 55%
Hardness, HR30T 42 - 86.5 42 - 86.5
Machinability 30 30

Thermal Properties

The thermal properties of copper UNS C61500 are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@20-300°C/68-572°F) 16.8 µm/m°C 9.33 µin/in°F
Thermal conductivity 58 W/mK 403 BTU in/hr.ft².°F

Fabrication

Copper UNS C61500 has good hot and cold workability. It can be fabricated using techniques such as blanking, drawing, forming and bending, shearing and stamping.

Applications

Copper UNS C61500 is used in the following applications:

  • Hardware
  • Interior furnishings
  • Decorative metal trim
  • Articles requiring high tarnish resistance.

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