Shanghai Unique Alloy Co.Ltd 

Focus on Copper Alloy 

Casting Leaded nickel bronze C97300  

 

 Chemical Composition

  Element
Cu(1) Pb Sn Zn Fe P Ni(2) Al Mn S Sb Si
(1) Cu + Sum of Named Elements 99.0% min.(2) Ni value includes Co.
Min (%) 53.0 8.0 1.5 17.0     11.0          
Max (%) 58.0 11.0 3.0 25.0 1.5 0.05 14.0 0.005 0.50 0.08 0.35 0.15

 

 Mechanical Properties*

Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Brinell Hardness, 500 kg load
As Centrifugal Cast As Centrifugal Cast M02 30   Min for Standard 15   Min for Standard 8   Min for Standard  
As Continuous Cast As Continuous Cast M07 30   Min for Standard 15   Min for Standard 10   Min for Standard  
As Sand Cast As Sand Cast M01 30   Min for Standard
35   Typ		 15   Min for Standard
17   Typ		 8   Min for Standard
20   Typ		 55   Typ
* Measured at room temperature, 68°F (20°C).

 Physical Properties

Melting Point - Liquidus°F 1904
Melting Point - Solidus°F 1850
Densitylb/cu in. at 68°F 0.321
Specific Gravity 8.89
Electrical Conductivity% IACS at 68°F 6
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 16.5
Coefficient of Thermal Expansion 68-57210-6 per °F (68 – 572°F) 9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 16000

 

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 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