Shanghai Unique Alloy Co.Ltd 

Focus on Copper Alloy 

High Leaded Tin Bronze C93800

 

Chemical Composition

  Element
Cu(1) Pb Sn Zn Fe P(2) Ni(3) Al S Sb Si
(1) Cu + Sum of Named Elements 99.0% min.(2) For continuous castings P shall be 1.5% max.(3) Ni value includes Co.
Min (%) 75.0 13.0 6.3                
Max (%) 79.0 16.0 7.5 0.8 0.15 0.05 1.0 0.005 0.08 0.8 0.005
 
 
Physical Properties
Melting Point - Liquidus°F 1730
Melting Point - Solidus°F 1570
Densitylb/cu in. at 68°F 0.334
Specific Gravity 9.25
Electrical Conductivity% IACS at 68°F 11
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 30.2
Coefficient of Thermal Expansion 68-39210-6 per °F (68 – 392°F) 10.3
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 10500
Incipient Melting°F 600
Magnetic Permeability 1

Applicable Specifications

Form Sub-Form System Standard Description
As Centrifugal Cast Castings ASTM B271/B271M COPPER BASE ALLOY CENTRIFUGAL CASTINGS
Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
Castings SAE J462 CAST COPPER ALLOYS
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 Permanent Mold Cast 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 B66 BRONZE CASTINGS IN THE ROUGH FOR LOCOMOTIVE WEARING PARTS
Castings ASTM B763/B763M COPPER ALLOY SAND CASTINGS FOR VALVE APPLICATIONS
  MILITARY MIL-C-22229 COPPER BASE ALLOY CASTINGS (FOR PRESSURE TIGHT APPLICATIONS)
Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
Castings SAE J462 CAST COPPER ALLOYS
Ingot        
  ASTM B30 COPPER BASE ALLOYS IN INGOT FORM