Shanghai Unique Alloy Co.Ltd 

Focus on Copper Alloy 

Casting High Leaded Tin Bronze C93900

 

Chemical Composition
  Element
Cu(1) Pb Sn Zn Fe P(2) Ni(3) Al S Sb Si
(1) Cu + Sum of Named Elements 98.9% min.(2) For continuous castings P shall be 1.5% max.(3) Ni value includes Co.
Min (%) 76.5 14.0 5.0                
Max (%) 79.5 18.0 7.0 1.5 0.40 1.5 0.8 0.005 0.08 0.50 0.005
Mechanical Properties*
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Brinell Hardness, 500 kg load
  Not Applicable NA 32   Typ 22   Typ 7    
As Continuous Cast     25   Min for Standard
32   Typ
16   Min for Standard
22   Typ
5   Min for Standard
7   Typ
63   Typ
* Measured at room temperature, 68°F (20°C).
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 11000
Incipient Melting°F 600
Magnetic Permeability 1