Find suppliers for this alloyC18140
Chemical Composition
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min.
Min (%)0.150.0050.05
Max (%)Rem0.450.050.25
Mechanical Properties*
Temper Code
Tensile Strength
Vickers Hardness, 500 gm
Flat ProductsHardH0457   Min
8   Min
147   Typ
SpringH0871   Min
5   Min
170   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1976
Densitylb/cu in. at 68°F0.322
Specific Gravity8.9
Electrical Conductivity% IACS at 68°F85
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F210
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.72
Modulus of Elasticity in Tensionksi17000
Fabrication Properties

No fabrication properties for this alloy

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
ConnectorsMechanical PropertiesStrength
IC-Lead framesConductivity (Electrical)Electrical Conductivity
IC-Lead framesSolderabilitySolderability
Transistor lead framesConductivity (Electrical)Electrical Conductivity
Transistor lead framesSolderabilitySolderability
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.