Find suppliers for this alloyC85550
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min. (2) Includes Co.
Min (%)59.00.30
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
Rockwell B scale
Shear Strength
Impact Strength
Compressive Yield Strength
As Die CastAs Pressure Die CastM0460.9   Min
65.3   Typ
69.6   Max
25   Typ
56   Typ
33.7   Typ
57   Typ
199   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1661
Melting Point - Solidus°F1584
Densitylb/cu in. at 68°F0.302
Specific Gravity8.36
Electrical Conductivity% IACS at 68°F19.13
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F44.1
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)6.94
Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)9.11
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.17
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi11300
Modulus of Rigidityksi3900
Magnetic Permeability4.95
Poisson's Ratio0.46
Casting Characteristics

No casting characteristics for this alloy

Fabrication Properties
Technique Suitability
Oxyacetylene WeldingExcellent
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingPoor
Spot WeldPoor
Seam WeldNot Recommended
Butt WeldNot Recommended
Capacity for Being Cold WorkedNot Recommended
Capacity for Being Hot FormedGood
Machinability Rating71
Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum* Value*
* Temperature is measured in Fahrenheit.
Stress Relief572
Typical uses
Product Category Product Reason Category Reason
IndustrialDiecast - Valve Bodies, Faucets and plumbing components
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.