Find suppliers for this alloyC17450
Chemical Composition
Element
Cu(1,2)SnFeNiAlBeSiZr
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag.
Min (%)0.500.15
Max (%)Rem0.250.201.00.200.500.200.50
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Rockwell B scale
Flat Products1/2 Hard and Precipitation Heat TreatedTH02100   Typ
85   Typ
15   Typ
93   Typ
Rod1/2 Hard and Precipitation Heat TreatedTH02100   Typ
85   Typ
15   Typ
93   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1960
Melting Point - Solidus°F1885
Densitylb/cu in. at 68°F0.323
Specific Gravity8.94
Electrical Conductivity% IACS at 68°F45
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F128
Modulus of Elasticity in Tensionksi20000
Fabrication Properties
Technique Suitability
SolderingGood
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingFair
Spot WeldGood
Seam WeldFair
Butt WeldFair
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedExcellent
Fabrication Process Properties

No fabrication process properties for this alloy

    
Thermal Properties
Treatment Minimum* Maximum* Time** Medium
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Solution Treatment155017001Water
Hot Treatment12001750
Typical uses
Product Category Product Reason Category Reason
ElectricalFuse ClipsConductivity (Electrical)Electrical Conductivity
Fuse ClipsForming CharacteristicsFormability
Lead FramesConductivity (Electrical)Electrical Conductivity
Lead FramesMechanical PropertiesStrength
Resistance welding electrodesConductivity (Electrical)Electrical Conductivity
Resistance welding electrodesMechanical PropertiesStrength
Resistance welding electrodesWelding CharacteristicsWeldability
Springs, current and signal carryingConductivity (Electrical)Electrical Conductivity
Springs, current and signal carryingForming CharacteristicsFormability
Springs, current and signal carryingMechanical PropertiesEndurance Limit, High
Springs, current and signal carryingMechanical PropertiesFatigue Strength
Springs, current and signal carryingMechanical PropertiesStrength, High
Switch bladesConductivity (Electrical)Electrical Conductivity
Switch bladesConductivity (Thermal)Thermal Conductivity
Switch bladesCorrosion ResistanceCorrosion Resistance
Switch bladesForming CharacteristicsFormability, Good
Switch bladesHeat TreatabilityHeat Treatable
Switch bladesMechanical PropertiesFatigue Resistance
Switch bladesMechanical PropertiesHigh Endurance Limit
Switch bladesMechanical PropertiesHigh Strength
Switch bladesThermal PropertiesResistance to Stress Relaxation
IndustrialBearing, sleeveBearing PropertiesAbrasion Resistance
Bearing, sleeveBearing PropertiesNon-galling
Bearing, sleeveMechanical PropertiesLoad Bearing
BellowsCorrosion ResistanceCorrosion Resistance
BellowsHeat TreatabilityHeat Treatable
BellowsMechanical PropertiesStrength, High
ContactsConductivity (Electrical)Electrical Conductivity
ContactsForming CharacteristicsFormability
ContactsMechanical PropertiesEndurance Limit, High
DiaphramsMechanical PropertiesDuctility
DiaphramsMechanical PropertiesStrength
DiaphramsStress RelaxationStress Relaxation Resistance
Plastic molding toolingAppearanceColor
Plastic molding toolingCorrosion ResistanceCorrosion Resistance
Plastic molding toolingFriction & Wear PropertiesWear Resistance
Plastic molding toolingMachining CharacteristicsMachinability
Plastic molding toolingMechanical PropertiesStrength
Plunger tips, die castingConductivity (Thermal)Thermal Conductivity
Plunger tips, die castingFriction & Wear PropertiesAbrasion Resistance
Plunger tips, die castingFriction & Wear PropertiesWear Resistance
Plunger tips, die castingMachining CharacteristicsMachinability
Springs, mechanicalMechanical PropertiesDuctility
Springs, mechanicalMechanical PropertiesStiffness
Springs, mechanicalMechanical PropertiesStrength
Springs, mechanicalStress RelaxationStress Relaxation Resistance
Applicable Specifications
Form Specific Sub-Form System Standard Description
Sheet & StripASTMB768COPPER-COBALT-BERYLLIUM ALLOY SHEET AND STRIP
StripElectric Connector & Spring ContactASTMB888/B88MCOPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS
Corrosion Properties

No information available.