Copper Alloy UNS C65600

May 27 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Other Designations
Fabrication
Applications

Introduction

Copper and its alloys are extremely good electric and thermal conductors. They also exhibit good resistance to atmospheric and sea water corrosion. The nature and the amount of impurities that are alloyed with copper determine their applications.

Copper alloy C65600 is a copper-based filler metal that consists of 3% silicon and small amounts of manganese, tin and zinc. It is available in the form of rods and wires. It exhibits moderate strength and good corrosion resistance.

This datasheet will elaborate on the chemical composition, properties and applications of copper UNS C65600 alloy.

Chemical Composition

The chemical composition of copper alloy UNS C65600 is given in the following table.

Element Content (%)
Copper, Cu +Silver, Ag Remainder
Silicon, Si 2.8-4
Tin, Sn 1.5
Zinc, Zn 1.5
Manganese, Mn 1.5
Iron, Fe 0.5
Lead, Pb 0.02
Aluminum, Al 0.01

Physical Properties

The following table discusses the physical properties of copper alloy UNS C65600.

Properties Metric Imperial
Density 8.52 gm/cm3 0.308 lb/in3

Other Designations

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Some of the other designations that are used to denote copper UNS C65600 are as below:

  • ASME SFA5.7
  • MIL E-23765/3
  • AWS A5.6
  • AWS A5.27
  • AWS A5.7

Fabrication

Some of the fabrication methods that are used to process this alloy are coppersmith, roll threading, knurling, bending, coining, swaging, stamping, etc.

Forging – Copper alloy C65600 exhibits good forging ability.

Hot working - Copper UNS C65600 alloy has excellent hot working abilities.

Cold working - Copper UNS C65600 alloy has excellent cold working properties.

Applications

Copper UNS C65600 is used in the following applications:

  • MIG, TIG and oxyacetylene welding of copper, copper-silicon and copper-zinc base metals
  • Surfacing corroded areas
  • As welding rod and filler metal in automotive bodyworks
  • Valve guides, valve stem, fasteners
  • Pole line hardware and marine fittings.

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