Find suppliers for this alloyC87850
Chemical Composition
Element
Cu(1)PbSnZnFePNi(2)MnSbSi
(1) Cu + Sum of Named Elements 99.5% min. (2) Ni value includes Co.
Min (%)74.00.052.7
Max (%)78.00.090.30Rem0.100.200.200.100.103.4
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale
Brinell Hardness, 500 kg load
As Continuous CastAs Continuous CastM0765   Min
25   Min
8   Min
103   Min
As Permanent Mold CastAs Permanent Mold CastM0532   Min
34   Typ
16   Min
21   Typ
70   Min
74   Typ
As Sand CastAs Sand CastM0159   Min
63   Typ
22   Min
26   Typ
16   Min
25   Typ
78   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1616
Melting Point - Solidus°F1571
Densitylb/cu in. at 68°F0.3
Electrical Conductivity% IACS at 68°F8
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F21.8
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)10.3
Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)10.3
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.4
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi15200
Casting Characteristics
Casting Attribute Level
Casting YieldMedium
DrossingLow
Effect of Section SizeMedium
FluidityHigh
GassingLow
Patternmakers Shrinkageinches per inch3/16
Shrinkage in SolidificationMedium
Fabrication Properties
Technique Suitability
SolderingExcellent
BrazingExcellent
Oxyacetylene WeldingGood
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedPoor
Capacity for Being Hot FormedExcellent
Machinability Rating70
Common Fabrication Processes
  • Casting
    
Thermal Properties
Treatment Minimum* Maximum* Value* Time**
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief0
Solution Treatment0
Annealing9321112
Typical uses
Product Category Product Reason Category Reason
IndustrialValve Bodies for Water
MarineMarine Products
PlumbingFaucets
Plumbing Fittings
Water Meter Cases
Applicable Specifications
Form System Standard Description
As Continuous CastASTMB505/B505MCOPPER BASE ALLOY CONTINUOUS CASTINGS
As Permanent Mold CastASTMB806PERMANENT MOLD CASTINGS
As Sand CastASTMB584COPPER ALLOY SAND CASTINGS FOR GENERAL APPLICATIONS
IngotASTMB30COPPER BASE ALLOYS IN INGOT FORM
Corrosion Properties

No information available.