Topics CoveredIntroductionChemical CompositionPhysical PropertiesMechanical PropertiesOther DesignationsFabrication and Heat treatment Annealing Cold Working Hot Working Welding Forging MachinabilityApplications
UNS 11500 silver-bearing tough pitch copper alloys are anneal resistant and ductile. These alloys have conductivity 101% IACS.
The datasheet given below highlights the chemical composition, physical and mechanical properties, other designations, fabrication and heat treatment and applications of UNS 11500 silver-bearing tough pitch copper alloys.
The chemical composition of UNS 11500 copper alloys is outlined in the following table.
The following table shows the physical properties of UNS 11500 copper alloys.
The mechanical properties of UNS 11500 copper alloys are displayed in the following table.
|Tensile strength, ultimate
|Tensile strength, yield (depending on temper)
|Elongation at break (in 101.6 mm (4 in.))
|Modulus of elasticity
|Machinability (UNS C36000 (free-cutting brass) = 100%)
Equivalent materials to UNS 11500 copper alloys are given in the table below:
Fabrication and Heat treatment
UNS 11500 copper alloys are annealed between 482 and 760°C (900 and 1400°F).
UNS 11500 copper alloys can be cold worked in an excellent manner.
UNS 11500 copper alloys can be hot formed in an excellent manner.
Welding methods such oxyacetylene welding, coated metal arc welding, seam welding and spot welding are not recommended for UNS 11500 copper alloys. Butt welding, Soldering, brazing and gas shielded arc welding can be performed on these alloys.
Temperatures between 760 and 871°C (1400 and 1600°F) are used for forging the UNS 11500 copper alloys whose hot forgeability rating is 65%.
The machinability rating of UNS 11500 copper alloys is 20%.
UNS 11500 copper alloys are used for commutator segments and electrical components.