Find suppliers for this alloyC17530
Chemical Composition
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co.
Min (%)1.80.20
Max (%)Rem0.
Mechanical Properties*
Temper Code
YS-0.2% Offset
Flat ProductsHard and Precipitation Heat TreatedTH04121   Typ
110   Typ
8   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1978
Melting Point - Solidus°F1922
Densitylb/cu in. at 68°F0.316
Specific Gravity8.72
Electrical Conductivity% IACS at 68°F38
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F90
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.8
Specific Heat CapacityBtu/ lb /°F at 68°F0.1
Modulus of Elasticity in Tensionksi18500
Modulus of Rigidityksi7100
Fabrication Properties
Technique Suitability
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 FormedGood
Machinability Rating40
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.
Solution Treatment155017001Water
Precipitation Treatment8503Air
Hot Treatment12001750
Typical uses
Product Category Product Reason Category Reason
ElectricalConnector terminals, miniatureCorrosion ResistanceCorrosion Resistance
Connector terminals, miniatureHeat TreatabilityHeat Treatable
Connector terminals, miniatureMechanical PropertiesStrength, High
Fuse ClipsConductivity (Electrical)Electrical Conductivity
Fuse ClipsForming CharacteristicsFormability
IC Lead FramesConductivity (Electrical)Electrical Conductivity
IC Lead FramesMechanical PropertiesStrength
RelaysCorrosion ResistanceCorrosion Resistance
RelaysHeat TreatabilityHeat Treatable
RelaysMechanical PropertiesStrength, High
SpringsConductivity (Electrical)Electrical Conductivity
SpringsHeat TreatabilityHeat Treatable
SpringsMechanical PropertiesStrength, High
SwitchesCorrosion ResistanceCorrosion Resistance
SwitchesHeat TreatabilityHeat Treatable
SwitchesMechanical PropertiesStrength, High
IndustrialBellowsHeat TreatabilityHeat Treatable
BellowsMechanical PropertiesStrength, High
DiaphragmsMechanical PropertiesDuctility
DiaphragmsMechanical PropertiesStrength
DiaphragmsStress RelaxationStress Relaxation Resistance
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.