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C18142 Wrought HIGH COPPER ALLOYS High Copper Alloys true false https://api.copper.org/alloys.xhtml/C18142
Chemical Composition
Elements
Cu(1,2) Cr Mg
(1) Cu + Sum of Named Elements 99.5% min.
(2) Includes Ag.
Min (%) 0.20 0.05
Max (%) Rem 0.30 0.30
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).
Sheet & Strip Hard H04 73 Min
80 Typ
87 Max
 68 Min
77 Typ
86 Max		 10 Typ
 170 Typ
Physical Properties
Melting Point - Liquidus°F 1981
Melting Point - Solidus°F 1980
Densitylb/cu in. at 68°F 0.32
Specific Gravity 8.9
Electrical Conductivity% IACS at 68°F 80
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 191
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 17
Modulus of Elasticity in Tensionksi 20300
Poisson's Ratio 0.33
Fabrication Properties
Technique Suitability
Soldering Good
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Good
Common Fabrication Processes
  • Bending
  • Cold working
  • Stamping
Thermal Properties

No thermal properties for this alloy

Typical uses
Product Category Product Reason Category Reason
Electrical Connectors, Electrical, Lead-Free
Electrical and electronic terminals, connectors, Lead frames
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.