Copper UNS (C19520)

May 17 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications

Introduction

Copper and its alloys are suitable for a wide range of applications due to their unique properties of strength, corrosion resistance, conductivity, machinability, and ductility. These properties can be additionally enhanced using variations in manufacturing processes and compositions.

UNS copper UNS C19520 is a wrought alloy. The following datasheet discusses the chemical composition and properties of copper UNS C19520.

Chemical Composition

The chemical composition of copper UNS C19520 is given in the following table.

Element Content (%)
Copper, Cu ≥ 96.6
Tin, Sn 0.50 - 1.5
Iron, Fe 0.50 - 1.5
Phosphorous, P 0.010 - 0.35

Physical Properties

The following table discusses the physical properties of copper UNS C19520.

Properties Metric Imperial
Density 8.80 g/cm3 0.318 lb/in3

Mechanical Properties

The mechanical properties of copper UNS C19520 (H08 –Temper) are tabulated below.

Properties Metric Imperial
Tensile strength 585 MPa 84800 ksi
Modulus of elasticity 117 GPa 17000 ksi
Hardness, Vickers 170 170

Thermal Properties

The thermal properties of copper UNS C19520 (H08 –Temper) are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@20-300°C/68-572°F) 16.7 µm/m°C 9.28 µin/in°F
Thermal conductivity (@20°C/68°F) 173 W/mK 1200 BTU in/hr.ft².°F

Applications

Copper UNS C19520 finds application in:

  • Electrical/electronic connectors
  • Lead frames

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