Find suppliers for this alloyC81400
Chemical Composition
Element
Cu(1)BeCr
(1) Cu + Sum of Named Elements 99.5% min.
Min (%)0.020.6
Max (%)Rem0.101.0
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Rockwell B scale
Torsion Modulus
(ksi)
As Sand CastAs Sand CastM0145   Min for Standard
15   Min for Standard
15   Min for Standard
Precipitation HardenedTF0053   Min for Standard
36   Min for Standard
11   Min for Standard
69   Typ
6   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F2000
Melting Point - Solidus°F1950
Densitylb/cu in. at 68°F0.318
Specific Gravity8.81
Electrical Conductivity% IACS at 68°F60
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F150
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10
Specific Heat CapacityBtu/ lb /°F at 68°F0.093
Modulus of Elasticity in Tensionksi16000
Shear Modulusksi5900
Casting Characteristics
Casting Attribute Level
Casting YieldMedium
DrossingHigh
Effect of Section SizeLow
FluidityMedium
GassingHigh
Patternmakers Shrinkageinches per inch4/16
Shrinkage in SolidificationHigh
Shrinkage During FreezingHigh
Fabrication Properties
Technique Suitability
SolderingExcellent
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingFair
Machinability Rating20
Common Fabrication Processes
  • Casting
    
Thermal Properties
Treatment Minimum* Maximum* Value* Time** Medium
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief500
Solution Treatment183018500.5Water
Precipitation Treatment9002Air
Typical uses
Product Category Product Reason Category Reason
ElectricalElectrical PartsConductivity (Electrical)Electrical Conductivity
Electrical PartsConductivity (Thermal)Thermal Conductivity
Electrical PartsCorrosion ResistanceCorrosion Resistance
Electrical PartsCorrosion ResistanceOxidation Resistance
Electrical PartsMechanical PropertiesModerate Strength
Higher Hardness Electrical ConductorsConductivity (Electrical)Electrical Conductivity
Higher Hardness Electrical ConductorsConductivity (Thermal)Thermal Conductivity
Higher Hardness Electrical ConductorsCorrosion ResistanceCorrosion Resistance
Higher Hardness Electrical ConductorsCorrosion ResistanceOxidation Resistance
Higher Hardness Electrical ConductorsMechanical PropertiesModerate Strength
IndustrialHigher Hardness Thermal ConductorsConductivity (Electrical)Electrical Conductivity
Higher Hardness Thermal ConductorsConductivity (Thermal)Thermal Conductivity
Higher Hardness Thermal ConductorsCorrosion ResistanceCorrosion Resistance
Higher Hardness Thermal ConductorsCorrosion ResistanceOxidation Resistance
Higher Hardness Thermal ConductorsMechanical PropertiesModerate Strength
Applicable Specifications
Form Sub-Form System Standard Description
As Sand CastCastingsASTMB770COPPER-BERYLLIUM SAND CASTINGS
IngotASTMB30COPPER BASE ALLOYS IN INGOT FORM
Corrosion Properties

No information available.