Find suppliers for this alloyC42520
Chemical Composition
Element
Cu(1)PbSnZnFePNi
(1) Cu + Sum of Named Elements 99.7% min.
Min (%)88.01.50.050.010.05
Max (%)91.00.053.0Rem0.200.200.20
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Flat Products1/2 HardH0276   Typ
68   Typ
15   Typ
1/4 HardH0165   Typ
50   Typ
24   Typ
Extra HardH0698   Typ
94   Typ
6   Typ
Extra SpringH10110   Typ
106   Typ
2   Typ
HardH0488   Typ
83   Typ
8   Typ
Nominal Grain Size 0.015 mmOS01558   Typ
32   Typ
42   Typ
SpringH08104   Typ
100   Typ
3   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1900
Melting Point - Solidus°F1850
Densitylb/cu in. at 68°F0.318
Specific Gravity8.8
Electrical Conductivity% IACS at 68°F30
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F75
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)10.2
Modulus of Elasticity in Tensionksi16000
Fabrication Properties
Technique Suitability
SolderingExcellent
BrazingExcellent
Oxyacetylene WeldingGood
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingNot Recommended
Spot WeldNot Recommended
Seam WeldNot Recommended
Butt WeldGood
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedFair
Machinability Rating30
Fabrication Process Properties

No fabrication process properties for this alloy

    
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing7001350
Typical uses
Product Category Product Reason Category Reason
AutomotiveTerminals, automotiveConductivity (Electrical)Electrical Conductivity
Terminals, automotiveMechanical PropertiesDuctility
Terminals, automotiveMechanical PropertiesStrength
ElectricalConnectors, electronicConductivity (Electrical)Electrical Conductivity
Connectors, electronicCorrosion ResistanceStress Corrosion Crack Resistant
Connectors, electronicMechanical PropertiesStrength, Moderate
Connectors, electronicStress RelaxationStress Relaxation Resistance
Contact springsConductivity (Electrical)Electrical Conductivity
Contact springsCorrosion ResistanceCorrosion Resistance
Contact springsMechanical PropertiesModerate to High Strength
Contact springsSolderabilitySolderability
Lead FramesConductivity (Electrical)Electrical Conductivity
Applicable Specifications
Form Specific Sub-Form System Standard Description
BarASTMB591COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
StripASTMB591COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Electric Connector & Spring ContactASTMB888/B88MCOPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS
Corrosion Properties

No information available.