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Chemical Composition
Elements
Cu(1) Sn Co Cr Mg Si
(1) Cu + Sum of Named Elements 99.9% min.
Min (%) 0.01 0.20 0.01 0.01
Max (%) Rem 0.10 0.15 0.40 .15 0.15
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
Elongation
(%)
* Measured at room temperature, 68°F (20°C).
Strip 1/2 Hard H02 58 Min
64 Typ
70 Max
6 Min
Physical Properties
Melting Point - Liquidus°F 1978
Melting Point - Solidus°F 1972
Densitylb/cu in. at 68°F 0.322
Specific Gravity 8.91
Electrical Conductivity% IACS at 68°F 78
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 179
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.8
Modulus of Elasticity in Tensionksi 19300
Poisson's Ratio 0.33
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Excellent
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
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
Electrical Lead Frames, Connector Components
Relays
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.