Find suppliers for this alloyC19280
Chemical Composition
(1) Cu + Sum of Named Elements 99.8% min.
Min (%)0.300.300.500.005
Max (%)Rem0.
Mechanical Properties*
Temper Code
Tensile Strength
Vickers Hardness, 3000 gm
Section Size
Flat Products1/2 HardH0278   Typ
12   Typ
155   Typ
Extra HardH0683   Typ
3   Typ
170   Typ
HardH0480   Typ
8   Typ
165   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1958
Densitylb/cu in. at 68°F0.322
Specific Gravity8.9
Electrical Conductivity% IACS at 68°F50
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F128
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.1
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi17000
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingGood
Gas Shielded Arc WeldingExcellent
Coated Metal Arc WeldingNot Recommended
Spot WeldNot Recommended
Seam WeldNot Recommended
Butt WeldNot Recommended
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedExcellent
Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Characteristics

No thermal characteristics for this alloy

Typical uses
Product Category Product Reason Category Reason
ElectricalConnectorsConductivity (Electrical)Electrical Conductivity
ConnectorsConductivity (Thermal)Thermal Conductivity
ConnectorsCorrosion ResistanceCorrosion Resistance
ConnectorsMechanical PropertiesModerate Strength
ConnectorsSoftening ResistanceResistance to Thermal Softening
IC Lead FramesConductivity (Electrical)Electrical Conductivity
IC Lead FramesConductivity (Thermal)Thermal Conductivity
IC Lead FramesCorrosion ResistanceCorrosion Resistance
IC Lead FramesMechanical PropertiesModerate Strength
IC Lead FramesSoftening ResistanceResistance to Thermal Softening
IC Lead FramesSolderabilitySolderability
RelayConductivity (Electrical)Electrical Conductivity
RelayConductivity (Thermal)Thermal Conductivity
RelayCorrosion ResistanceCorrosion Resistance
RelayMechanical PropertiesModerate Strength
Switch SocketsConductivity (Electrical)Electrical Conductivity
Switch SocketsConductivity (Thermal)Thermal Conductivity
Switch SocketsCorrosion ResistanceCorrosion Resistance
Switch SocketsMechanical PropertiesModerate Strength
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.