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C79350 Wrought NICKEL SILVERS Copper-Nickel-Zinc Alloys (Nickel Silvers) true false https://api.copper.org/alloys.xhtml/C79350
Chemical Composition
Elements
Cu(1,2) Pb Sn Zn Fe Ni(3) Mn
(1) Cu + Sum of Named Elements 99.5% min.
(2) Cu value includes Ag.
(3) Ni value includes Co.
Min (%) 59.0 0.8 23.0
Max (%) 63.0 1.1 0.6 Rem 0.25 26.0 0.50
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 Elongation
(%)
* Measured at room temperature, 68°F (20°C).
Rod Hard H04 80 Min
87 Typ
 2 Min
Hard H04 80 Min
87 Typ
 2 Min
Hard H04 87 Min
98 Typ
 2 Min
Wire Hard H04 80 Min
87 Typ
 2 Min
Hard H04 87 Min
98 Typ
 2 Min
Hard H04 80 Min
87 Typ
 2 Min
Physical Properties
Melting Point - Liquidus°F 2140
Melting Point - Solidus°F 2100
Densitylb/cu in. at 68°F 0.318
Specific Gravity 8.8
Electrical Conductivity% IACS at 68°F 4
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 12
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.1
Specific Heat CapacityBtu/ lb /°F at 68°F 0.095
Modulus of Elasticity in Tensionksi 24200
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Not Recommended
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Not Recommended
Machinability Rating 60
Common Fabrication Processes
  • Forming
  • Machining
  • Stamping
Thermal Properties
Treatment Minimum* Value* Time**
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief 482
Solution Treatment 1382 0
Typical uses
Product Category Product Reason Category Reason
Industrial Fasteners Corrosion Resistance Corrosion Resistance
Fiber Optic Connectors Magnetic Properties Non-Magnetic
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.