Shanghai Unique Alloy Co.Ltd 

Focus on Copper Alloy 

Casting Nickel Tin Bronze C94700

 

Chemical Composition
  Element
Cu(1) Pb(2) Sn Zn Fe P Ni(3) Al Mn S Sb Si
(1) Cu + Sum of Named Elements 98.7% min.(2) The mechanical properties of C94700 (heat treated) may not be attainable if the Pb content exceeds 0.01%.(3) Ni value includes Co.
Min (%) 85.0   4.5 1.0     4.5          
Max (%) 90.0 0.09 6.0 2.5 0.25 0.05 6.0 0.005 0.20 0.05 0.15 0.005

Physical Properties

Melting Point - Liquidus°F 1880
Melting Point - Solidus°F 1660
Densitylb/cu in. at 68°F 0.32
Specific Gravity 8.86
Electrical Conductivity% IACS at 68°F 12
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 31.2
Coefficient of Thermal Expansion 68-39210 -6 per °F (68 – 392°F) 10.9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 15000

 Thermal Properties

Treatment Minimum* Maximum* Value Time Medium
*Measured in Fahrenheit
Stress Relief     500    
Solution Treatment 1425 1475   2 Water
Precipitation Treatment     580 5 Air