Copper Alloy (UNS C66400)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations
Fabrication
Applications

Introduction

Copper is an extremely useful metal, its high thermal and electrical conductivity find a number of applications in fields such as electrical component manufacture etc. The nature and the amount of impurities that are alloyed with copper determine the application for which the alloy is used for.

The heat treatment methods used to treat copper enhance its ultimate tensile strength. Copper C66400 is an alloy of copper and zinc and is referred to as copper bronze (Cobron). This alloy is available in the form of sheets and strips. It is available in the form of hot worked tempers and annealed tempers.

This datasheet will elaborate on the chemical composition, properties and applications of copper UNS C66400 alloy.

Chemical Composition

The chemical composition of copper alloy UNS C66400 is given in the following table.

Physical Properties

The following table discusses the physical properties of copper alloy UNS C66400 (H01 Temper).

Mechanical Properties

The mechanical properties of copper alloy UNS C66400 (H01 Temper) are tabulated below.

Other Designations

Some of the other designations that are used to denote copper UNS C66400 are as below:

• ASTM B694

Fabrication

Some of the methods adopted for fabricating this alloy are coining, bending, coppersmith, upsetting and drawing. Other methods of fabrication are knurling, roll threading, spinning, swaging and stamping.

Forging - Copper UNS C66400 alloy has good forging ability.

Hot working - Copper UNS C66400 alloy has excellent hot working abilities.

Cold working - Copper UNS C66400 alloy has excellent cold working properties.

Applications

Copper UNS C66400 is used in the following applications:

• Spring washers
• Switch blades
• Fuse clips
• Contact springs, socket contacts
• Connectors and terminals