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C19002 Wrought HIGH COPPER ALLOYS High Copper Alloys true true https://api.copper.org/alloys.xhtml/C19002
Chemical Composition
Elements
Cu(1,2) Pb Sn Zn Fe P Ni(3) Ag Mg Si Zr
(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.5% min.
(3) Ni value includes Co.
Min (%) 0.02 0.01 1.4 0.02 0.20 0.005
Max (%) Rem 0.05 0.30 0.35 0.10 0.05 1.7 0.50 0.01 0.35 0.05
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 Elongation
(%)
* Measured at room temperature, 68°F (20°C).
Flat Products 1/2 Hard and Stress Relieved HR02 90 Min
102 Max
 5 Min
Extra Hard and Stress Relieved HR06 71 Min
 3 Min
Hard and Stress Relieved HR04 65 Min
 3 Min
Spring and Stress Relieved HR08 71 Min
 2 Min
Physical Properties
Melting Point - Liquidus°F 1972
Melting Point - Solidus°F 1931
Densitylb/cu in. at 68°F 0.322
Specific Gravity 8.9
Electrical Conductivity% IACS at 68°F 45
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 148
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 9.25
Modulus of Elasticity in Tensionksi 18600
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Good
Oxyacetylene Welding Good
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Good
Spot Weld Good
Seam Weld Good
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Common Fabrication Processes
  • Forming and Bending
  • Stamping
Thermal Properties

No thermal properties for this alloy

Typical uses
Product Category Product Reason Category Reason
Electrical Connectors
Contacts
Switches and Relays
Terminals
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Sheet & Strip ASTM B422/B422M COPPER-ALUMINUM-SILICON-COBALT ALLOY AND COPPER-NICKEL-ALUMINUM-SILICON ALLOY SHEET AND STRIP
Strip ASTM B888/B88M COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS
Corrosion Properties

No Corrosion Properties Available.