Shanghai Unique Alloy Co.Ltd 

Focus on Copper Alloy 

C97600 Casting Leaded nickel bronze 

 

 

Chemical Composition
  Element
Cu(1) Pb Sn Zn Fe P Ni(2) Al Mn S Sb Si
(1) Cu + Sum of Named Elements 99.7% min.(2) Ni value includes Co.
Min (%) 63.0 3.0 3.5 3.0     19.0          
Max (%) 67.0 5.0 4.5 9.0 1.5 0.05 21.5 0.005 1.0 0.08 0.25 0.15
 
Physical Properties
Melting Point - Liquidus°F 2089
Melting Point - Solidus°F 2027
Densitylb/cu in. at 68°F 0.321
Specific Gravity 8.9
Electrical Conductivity% IACS at 68°F 5
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 13
Coefficient of Thermal Expansion 68-57210-6 per °F (68 – 572°F) 9.3
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 19000

 

 Applicable Specifications

Form Sub-Form System Standard Description
As Centrifugal Cast Castings ASTM B271/B271M COPPER BASE ALLOY CENTRIFUGAL CASTINGS
As Continuous Cast Castings ASTM B505/B505M COPPER BASE ALLOY CONTINUOUS CASTINGS
Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
Castings SAE J462 CAST COPPER ALLOYS
As Sand Cast Castings ASME SB584 COPPER ALLOY SAND CASTINGS FOR GENERAL APPLICATIONS
Castings ASTM B584 COPPER ALLOY SAND CASTINGS FOR GENERAL APPLICATIONS
Castings ASTM B763/B763M COPPER ALLOY SAND CASTINGS FOR VALVE APPLICATIONS
Ingot        
  ASTM B30 COPPER BASE ALLOYS IN INGOT FORM
Valves   MILITARY MIL-V-18436 VALVES, CHECK, BRONZE