Find suppliers for this alloyC19220
Chemical Composition
(1) Cu + Sum of Named Elements 99.8% min.
Min (%)
Max (%)Rem0.100.300.070.250.015
Mechanical Properties*
Temper Code
Tensile Strength
Vickers Hardness, 3000 gm
Section Size
Flat Products1/2 HardH0259   Typ
8   Typ
120   Typ
1/4 HardH0152   Typ
15   Typ
100   Typ
Extra HardH0664   Typ
5   Typ
125   Typ
HardH0465   Typ
6   Typ
130   Typ
Soft AnnealO6045   Typ
30   Typ
90   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1981
Densitylb/cu in. at 68°F0.322
Specific Gravity8.9
Electrical Conductivity% IACS at 68°F75
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F182
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.6
Specific Heat CapacityBtu/ lb /°F at 68°F0.092
Modulus of Elasticity in Tensionksi17800
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
Lead FramesConductivity (Electrical)Electrical Conductivity
Lead FramesConductivity (Thermal)Thermal Conductivity
Lead FramesCorrosion ResistanceCorrosion Resistance
Lead FramesMechanical PropertiesModerate Strength
Lead FramesSoftening ResistanceResistance to Thermal Softening
Lead FramesSolderabilitySolderability
RelaysConductivity (Electrical)Electrical Conductivity
RelaysConductivity (Thermal)Thermal Conductivity
RelaysCorrosion ResistanceCorrosion Resistance
RelaysMechanical PropertiesModerate Strength
RelaysSoftening ResistanceResistance to Thermal Softening
SwitchesConductivity (Electrical)Electrical Conductivity
SwitchesConductivity (Thermal)Thermal Conductivity
SwitchesCorrosion ResistanceCorrosion Resistance
SwitchesMechanical PropertiesModerate Strength
SwitchesSoftening ResistanceResistance to Thermal Softening
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.