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Chemical Composition
Elements
Cu(1,2) Pb Sn Zn Fe Ni(3) Mg Mn Si
(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.5% min.
(3) Ni value includes Co.
Min (%) 0.05 0.30 1.5 0.40
Max (%) Rem 0.05 0.50 0.8 0.10 3.0 0.30 0.10 0.8
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
Elongation
(%)
Vickers Hardness, 3000 gm
* Measured at room temperature, 68°F (20°C).
Flat Products 3/4 Hard H03 87 Min
97 Typ
101 Max
73 Min
80 Typ
87 Max
15 Typ
195 Typ
Extra Hard H06 100 Min
107 Typ
115 Max
90 Min
96 Typ
104 Max
5 Typ
225 Typ
Hard H04 93 Min
100 Typ
107 Max
80 Min
87 Typ
94 Max
10 Typ
205 Typ
Spring H08 107 Min
113 Typ
122 Max
102 Min
109 Typ
116 Max
1 Typ
235 Typ
Physical Properties
Melting Point - Solidus°F 1967
Densitylb/cu in. at 68°F 0.318
Specific Gravity 8.79
Electrical Conductivity% IACS at 68°F 40
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 98
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.8
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 19200
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Not Recommended
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Good
Seam Weld Good
Butt Weld Not Recommended
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Good
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 Connectors, Automotive
Connectors, Electrical, Lead-Free Conductivity (Electrical) Electrical Conductivity
Connectors, Electrical, Lead-Free Conductivity (Thermal) Thermal Conductivity
Connectors, Electrical, Lead-Free Corrosion Resistance Corrosion Resistance
Connectors, Electrical, Lead-Free Corrosion Resistance Stress corrosion resistance, high
Connectors, Electrical, Lead-Free Forming Characteristics Formability
Connectors, Electrical, Lead-Free Plating Characteristics Platability
Connectors, electronic
Contact springs
Crcuit Breaker Components Conductivity (Thermal) Thermal Conductivity
Crcuit Breaker Components Corrosion Resistance Resistance to Corrosion - General and Pitting in Water Radiators
Crcuit Breaker Components Solderability Solderability
Relay Components
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.