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Chemical Composition
Cu(1,2) Pb Sn Zn Fe P Ni(3) Al As Mn S Sb Si
(1) Cu + Sum of Named Elements 98.7% min.
(2) In determining Cu min., Cu may be calculated as Cu + Ni.
(3) Ni value includes Co.
Min (%) 57.0 31.0
Max (%) 1.5 1.5 41.0 0.50 0.01 0.50 0.55 0.05 0.25 0.05 0.05 0.25
Mechanical Properties *
Form Temper Temper Code Tensile Strength
YS-0.2% Offset
Rockwell B scale Charpy V-Notch Impact Strength
* Measured at room temperature, 68°F (20°C).
As Die Cast As Pressure Die Cast M04 55 Min for Standard
55 Typ
55 Typ
30 Typ
15 Typ
15 Typ
40 Typ
Physical Properties
Melting Point - Liquidus°F 1650
Melting Point - Solidus°F 1600
Densitylb/cu in. at 68°F 0.305
Specific Gravity 8.44
Electrical Conductivity% IACS at 68°F 20
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 48.5
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 15000
Magnetic Permeability 1
Casting Characteristics
Casting Attribute Level
Casting Yield High
Drossing High
Effect of Section Size Medium
Fluidity Medium
Gassing Low
Patternmakers Shrinkage inches per inch 3/16
Shrinkage in Solidification Medium
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Machinability Rating 80
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Value* Time**
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief 500
Solution Treatment 0
Typical Uses

No information for this alloy

Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.