Topics CoveredIntroductionChemical CompositionPhysical PropertiesMechanical PropertiesOther DesignationsFabrication and Heat Treatment Annealing Cold Working Welding Forging Machinability Hot Working
UNS C11100 electrolytic tough pitch copper alloys are anneal resistant. The following datasheet covers the chemical composition, physical and mechanical properties, designations and fabrication and heat treatment of UNS C11100 copper alloys.
The chemical composition of UNS C11100 copper alloys is outlined in the following table.
The following table shows the physical properties of UNS C11100 copper alloys.
||8.89 - 8.94 g/cm3
||0.321 - 0.323 lb/in3|
The mechanical properties of UNS C11100 copper alloys are displayed in the following table.
|Hardness, rockwell B (depending on temper)
|Tensile strength, ultimate
|Tensile strength, yield (depending on temper)
|Elongation at break (in 150 cm)
|Modulus of elasticity
|Machinability (UNS C36000 (free-cutting brass) = 100%)
Equivalent materials to UNS C11100 copper alloys are:
Fabrication and Heat Treatment
UNS C11100 copper alloys are annealed at temperatures between 482 and 760°C (900 and 1400°F).
UNS C11100 copper alloys have excellent cold working capacity.
Welding methods not recommended for UNS C11100 copper alloys include oxyacetylene welding, coated metal arc welding, seam welding and spot welding. Butt welding and gas shielded arc welding can be performed on these copper alloys including brazing and soldering processes.
Temperatures between 760 and 871°C (1400 and 1600°F) are used for forging UNS C11100 copper alloys whose hot forgeability rating is 65%.
The machinability rating for C11100 copper alloys is 20%.
C11100 copper alloys have excellent hot forming properties.