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Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe P
(1) Cu + Sum of Named Elements 99.5% min.
Min (%) 94.0 1.5 1.5 0.05 0.02
Max (%) 0.02 2.5 3.0 0.20 0.06
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Vickers Hardness, 500 gm Fatigue Strength**
(ksi)
Proportional Limit
(ksi)
Section Size
(in)
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Flat Products 1/2 Hard H02 74 Typ
73 Typ
12 Typ
169 Typ
74 Typ 0.01
Extra Hard H06 94 Typ
92 Typ
9 Typ
206 Typ
29 Typ 84 Typ
Hard H04 87 Typ
85 Typ
9 Typ
193 Typ
26 Typ 78 Typ
Soft Anneal O60 56 Typ
38 Typ
41 Typ
106 Typ
Physical Properties
Melting Point - Liquidus°F 1978
Melting Point - Solidus°F 1904
Densitylb/cu in. at 68°F 0.322
Specific Gravity 8.91
Electrical Conductivity% IACS at 68°F 33
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 87
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.7
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 16400
Modulus of Rigidityksi 6400
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Fair
Spot Weld Good
Butt Weld Excellent
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Poor
Machinability Rating 30
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties

No thermal properties for this alloy

Typical uses
Product Category Product Reason Category Reason
Automotive Automotive wiring harnesses Conductivity (Electrical) Electrical Conductivity
Automotive wiring harnesses Mechanical Properties Ductility
Electrical Contacts Conductivity (Electrical) Electrical Conductivity, High
Contacts Mechanical Properties High Modulus of Elasticity
Contacts Mechanical Properties Strength, High
Contacts Plating Characteristics Electro-migration in Water, Excellent Resistance to
IC-Lead frames Conductivity (Electrical) Electrical Conductivity, High
IC-Lead frames Mechanical Properties Elastic Modulus, High
IC-Lead frames Mechanical Properties Strength, High
IC-Lead frames Plating Characteristics Electro-migration in Water, Excellent Resistance to
Springs Conductivity (Electrical) Electrical Conductivity, High
Springs Mechanical Properties Elastic Modulus, High
Springs Mechanical Properties Strength, High
Springs Plating Characteristics Electro-migration in Water, Excellent Resistance to
Terminals Conductivity (Electrical) Electrical Conductivity, High
Terminals Mechanical Properties Elastic Modulus, High
Terminals Mechanical Properties Strength, High
Terminals Plating Characteristics Electro-migration in Water, Excellent Resistance to
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.