Find suppliers for this alloyC64770
Chemical Composition
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co.
Min (%)0.050.301.50.40
Max (%)Rem0.050.500.
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Vickers Hardness, 3000 gm
Flat Products3/4 HardH0387   Min
97   Typ
101   Max
73   Min
80   Typ
87   Max
15   Typ
195   Typ
Extra HardH06100   Min
107   Typ
115   Max
90   Min
96   Typ
104   Max
5   Typ
225   Typ
HardH0493   Min
100   Typ
107   Max
80   Min
87   Typ
94   Max
10   Typ
205   Typ
SpringH08107   Min
113   Typ
122   Max
102   Min
109   Typ
116   Max
1   Typ
235   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Solidus°F1967
Densitylb/cu in. at 68°F0.318
Specific Gravity8.79
Electrical Conductivity% IACS at 68°F40
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F98
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.8
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi19200
Fabrication Properties
Technique Suitability
BrazingNot Recommended
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Spot WeldGood
Seam WeldGood
Butt WeldNot Recommended
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedGood
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
ElectricalConnectors, Automotive
Connectors, Electrical, Lead-FreeConductivity (Electrical)Electrical Conductivity
Connectors, Electrical, Lead-FreeConductivity (Thermal)Thermal Conductivity
Connectors, Electrical, Lead-FreeCorrosion ResistanceCorrosion Resistance
Connectors, Electrical, Lead-FreeCorrosion ResistanceStress corrosion resistance, high
Connectors, Electrical, Lead-FreeForming CharacteristicsFormability
Connectors, Electrical, Lead-FreePlating CharacteristicsPlatability
Connectors, electronic
Contact springs
Crcuit Breaker ComponentsConductivity (Thermal)Thermal Conductivity
Crcuit Breaker ComponentsCorrosion ResistanceResistance to Corrosion - General and Pitting in Water Radiators
Crcuit Breaker ComponentsSolderabilitySolderability
Relay Components
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.