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C76800 WNS7 Wrought NICKEL SILVERS Copper-Nickel-Zinc Alloys (Nickel Silvers) true false https://api.copper.org/alloys.xhtml/C76800
Chemical Composition
Elements
Cu(1,2) Pb Zn Ni(3) Mn
(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.5% min.
(3) Ni value includes Co.
Min (%) 47.5 8.0 4.5
Max (%) 50.0 .09 Rem 9.5 6.5
Mechanical Properties

No mechanical properties for this alloy

Physical Properties
Melting Point - Liquidus°F 1686
Melting Point - Solidus°F 1634
Densitylb/cu in. at 68°F 0.3
Specific Gravity 8.3
Electrical Conductivity% IACS at 68°F 4.4
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 14
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 9.4
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 9.4
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.4
Modulus of Elasticity in Tensionksi 16800
Modulus of Rigidityksi 6200
Poisson's Ratio 0.33
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Forgeability Rating 80
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum*
* Temperature is measured in Fahrenheit.
Annealing 1022
Typical Uses

No information for this alloy

Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.