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C96970 Cast COPPER NICKELS Copper-Nickel-Iron Alloys (Copper-Nickels) true true https://api.copper.org/alloys.xhtml/C96970
Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe Ni(2) Mg Mn Nb
(1) Cu + Sum of Named Elements 99.5% min.
(2) Ni value includes Co.
Min (%) 5.5 8.5
Max (%) Rem 0.02 6.5 0.50 0.50 9.5 0.15 0.30 0.10
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.2% Offset
(ksi)		 Elongation
(%)		 Rockwell C scale Compressive Yield Strength
(ksi)
* Measured at room temperature, 68°F (20°C).
As Continuous Cast Spinodal Hardened-Low Strength (ATLS) TX00 105 Min
110 Typ
115 Max
 90 Min
95 Typ
100 Max		 3 Min
 27 Typ
 95 Typ
Physical Properties
Melting Point - Liquidus°F 2012
Melting Point - Solidus°F 1697
Densitylb/cu in. at 68°F 0.321
Specific Gravity 8.91
Electrical Conductivity% IACS at 68°F 13
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 30
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 9
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 9.5
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.7
Specific Heat CapacityBtu/ lb /°F at 68°F 0.091
Magnetic Permeability 1.001
Poisson's Ratio 0.3
Casting Characteristics

No casting characteristics for this alloy

Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Gas Shielded Arc Welding Excellent
Spot Weld Excellent
Seam Weld Excellent
Butt Weld Excellent
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Good
Common Fabrication Processes
  • Casting
  • Drawing
  • Forming and Bending
  • Machining
Thermal Properties
Treatment Minimum*
* Temperature is measured in Fahrenheit.
Solution Treatment 700
Annealing 1400
Typical uses
Product Category Product Reason Category Reason
Industrial Bearings
Bushings
Connectors
Plastic molding tooling
Retaining Rings
Valves
Wear Plates
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
As Continuous Cast ASTM B505/B505M COPPER BASE ALLOY CONTINUOUS CASTINGS
Corrosion Properties

No Corrosion Properties Available.