Topics CoveredIntroductionChemical CompositionPhysical PropertiesMechanical PropertiesOther DesignationsFabrication and Heat Treatment Machinability Welding Forging Hot Working Cold Working AnnealingApplications
UNS 11400 silver-bearing tough pitch copper has ductility, anneal resistance, and conductivity of 101% IACS. The following datasheet will discuss in detail about UNS 11400 copper.
The following table shows the chemical composition of the UNS 11400 copper.
The physical properties of the UNS 11400 copper are given in the following table.
||8.89 - 8.94 g/cm3
||0.321 - 0.323 lb/in3|
The mechanical properties of UNS 11400 copper are tabulated below.
|Tensile strength, ultimate
||221 - 455 MPa
||32100 - 66000 psi|
|Tensile strength, yield (depending on temper)
||69.0 - 365 MPa
||10000 - 52900 psi|
|Elongation at break (in 101.6 mm (4 in.))
|Modulus of elasticity
|Poissons ratio (calculated)
|Machinability (UNS C36000 (free-cutting brass) = 100%)
The designations that are equivalent to UNS 11400 copper are outlined in the following table.
Fabrication and Heat Treatment
The machinability rate of 11400 copper is 20%.
Welding techniques such as soldering, brazing, gas shielded arc welding, oxyacetylene welding and butt welding are preferred for 11400 copper. Other welding techniques such as coated metal arc welding, spot welding and seam welding are not recommended.
Forging of 11400 copper is performed at hot working temperatures ranging from 760 to 871°C (1400 to 1600°F). The hot forgeability rate of this metal is 65%.
11400 copper has excellent hot working property.
11400 copper has excellent cold working property.
11400 copper is annealed at temperatures ranging from 482 to 760°C (900 to 1400°F).
The following are the major applications of the UNS 11400 copper:
- Electrical components
- Commutator segments