Find suppliers for this alloyC50725
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min.
Min (%)
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.5% Ext
Vickers Hardness, 500 gm
Fatigue Strength**
Proportional Limit
Section Size
Flat Products1/2 HardH0274   Typ
73   Typ
12   Typ
169   Typ
74   Typ
Extra HardH0694   Typ
92   Typ
9   Typ
206   Typ
29   Typ
84   Typ
HardH0487   Typ
85   Typ
9   Typ
193   Typ
26   Typ
78   Typ
Soft AnnealO6056   Typ
38   Typ
41   Typ
106   Typ
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Physical Properties
Melting Point - Liquidus°F1978
Melting Point - Solidus°F1904
Densitylb/cu in. at 68°F0.322
Specific Gravity8.91
Electrical Conductivity% IACS at 68°F33
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F87
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.7
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi16400
Modulus of Rigidityksi6400
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingFair
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingFair
Spot WeldGood
Butt WeldExcellent
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedPoor
Machinability Rating30
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
AutomotiveAutomotive wiring harnessesConductivity (Electrical)Electrical Conductivity
Automotive wiring harnessesMechanical PropertiesDuctility
ElectricalContactsConductivity (Electrical)Electrical Conductivity, High
ContactsMechanical PropertiesHigh Modulus of Elasticity
ContactsMechanical PropertiesStrength, High
ContactsPlating CharacteristicsElectro-migration in Water, Excellent Resistance to
IC-Lead framesConductivity (Electrical)Electrical Conductivity, High
IC-Lead framesMechanical PropertiesElastic Modulus, High
IC-Lead framesMechanical PropertiesStrength, High
IC-Lead framesPlating CharacteristicsElectro-migration in Water, Excellent Resistance to
SpringsConductivity (Electrical)Electrical Conductivity, High
SpringsMechanical PropertiesElastic Modulus, High
SpringsMechanical PropertiesStrength, High
SpringsPlating CharacteristicsElectro-migration in Water, Excellent Resistance to
TerminalsConductivity (Electrical)Electrical Conductivity, High
TerminalsMechanical PropertiesElastic Modulus, High
TerminalsMechanical PropertiesStrength, High
TerminalsPlating CharacteristicsElectro-migration in Water, Excellent Resistance to
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.