Copper Alloy (UNS C15725)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications

Introduction

Copper and its alloys are known for their good corrosion resistance, excellent workability, good mechanical properties, and attractive color.

UNS C15725 is an aluminum oxide dispersion-strengthened copper alloy. Its physical properties are similar to pure copper. The following datasheet discusses the chemical composition and properties of copper UNS C15725.

Chemical Composition

The chemical composition of copper UNS C15725 is given in the following table.

Element Content (%)
Copper, Cu + Silver, Ag 99.43min
Aluminium, Al 0.23-0.27
Oxygen, O 0.20-0.28
Iron, Fe 0.01
Lead, Pb 0.01

Physical Properties

The following table discusses the physical properties of copper UNS C15725.

Properties Metric Imperial
Density 0.32 g/cm3 0.011 lb/in3
Melting point 1083°C 1981°F

Mechanical Properties

The mechanical properties of copper UNS C15725 are tabulated below.

Properties Metric Imperial
Tensile strength (flat products 10Mn/.400in) 434MPa 63 ksi
Yield strength (flat products10Mn/.400in) 345 MPa 50 ksi
Modulus of elasticity 130 GPa 18854 ksi
Elongation (flat products 10Mn/.400in) 21% 21%

Thermal Properties

The thermal properties of copper UNS C15725 are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@20-150°C/68-300°F) 16.6 µm/m°C 9.2 µin/in°F
Thermal conductivity 344 W/mK 199 BTU in/hr.ft².°F

Applications

Copper UNS C15725 finds use mainly in applications that require high electrical and thermal conductivities coupled with good high temperature strength.

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