Find suppliers for this alloyC76390
Chemical Composition
(1) Cu value includes Ag.
Min (%)
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Rockwell B scale
Rockwell 30T scale
Section Size
RodHardH0490   Typ
85   Typ
6   Typ
90   Typ
76   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F2140
Melting Point - Solidus°F2100
Densitylb/cu in. at 68°F0.318
Specific Gravity8.8
Electrical Conductivity% IACS at 68°F4
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F12
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9
Specific Heat CapacityBtu/ lb /°F at 68°F0.095
Modulus of Elasticity in Tensionksi24200
Fabrication Properties
Technique Suitability
BrazingNot Recommended
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Spot WeldNot Recommended
Seam WeldNot Recommended
Butt WeldNot Recommended
Capacity for Being Cold WorkedFair
Capacity for Being Hot FormedNot Recommended
Machinability Rating40
Common Fabrication Processes
  • Machining
  • Roll Threading and Knurling
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Typical uses
Product Category Product Reason Category Reason
Builders HardwareHardwareCorrosion ResistanceCorrosion Resistance
HardwareMechanical PropertiesHigh Modulus of Elasticity
HardwareMechanical PropertiesHigh Strength
ElectricalConnectorsConductivity (Electrical)Electrical Conductivity
ConnectorsConductivity (Thermal)Thermal Conductivity
ConnectorsCorrosion ResistanceCorrosion Resistance
ConnectorsMechanical PropertiesHigh Modulus of Elasticity
ConnectorsMechanical PropertiesHigh Strength
FastenersCorrosion ResistanceCorrosion Resistance
FastenersMechanical PropertiesHigh Modulus of Elasticity
FastenersMechanical PropertiesHigh Strength
IndustrialOptical GoodsAppearanceColor
Optical GoodsCorrosion ResistanceCorrosion Resistance
Optical GoodsMechanical PropertiesHigh Modulus of Elasticity
Optical GoodsMechanical PropertiesHigh Strength
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.