Find suppliers for this alloyC89838
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min. (2) Ni value includes Co.
Min (%)78.01.512.00.20
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Brinell Hardness, 500 kg load
Impact Strength
CastingsCast and Annealed (homogenized)O1028   Min
33   Typ
10   Min
14   Typ
15   Min
59   Min
18   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1837
Melting Point - Solidus°F1485
Densitylb/cu in. at 68°F0.314
Specific Gravity8.68
Electrical Conductivity% IACS at 68°F21.2
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F57.8
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.4
Modulus of Elasticity in Tensionksi14000
Modulus of Rigidityksi5400
Casting Characteristics
Casting Attribute Level
Casting YieldHigh
Effect of Section SizeMedium
Patternmakers Shrinkageinches per inch3/16
Shrinkage in SolidificationMedium
Fabrication Properties
Technique Suitability
Machinability Rating77
Common Fabrication Processes
  • Casting
Thermal Characteristics

No thermal characteristics for this alloy

Typical uses
Product Category Product Reason Category Reason
PlumbingPotable Water Components, Valves, Pump Components , Plumbing Fittings, Meter Cases
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.