Find suppliers for this alloyC85430
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min. (2) Ni value includes Co.
Min (%)
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Brinell Hardness, 500 kg load
Impact Strength
CastingsCast and Annealed (homogenized)O1028   Min
36   Typ
10   Min
12   Typ
15   Min
65   Min
17   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1704
Melting Point - Solidus°F1623
Densitylb/cu in. at 68°F0.303
Specific Gravity8.38
Electrical Conductivity% IACS at 68°F21.9
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F58.4
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)11.3
Modulus of Elasticity in Tensionksi13900
Modulus of Rigidityksi5300
Poisson's Ratio0.32
Casting Characteristics
Casting Attribute Level
Casting YieldMedium
Effect of Section SizeMedium
Patternmakers Shrinkageinches per inch3/16
Shrinkage During FreezingHigh
Fabrication Properties

No fabrication properties for this alloy

Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum* Maximum* Value* Time** Medium
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief500
Solution Treatment100200300Air
Precipitation Treatment12Water
Hot Treatment67
Hot Working Temp600
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.