Find suppliers for this alloyC42600
Chemical Composition
Element
Cu(1,2)PbSnZnFePNi(3)
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.7% min. (3) Ni value includes Co.
Min (%)87.02.50.050.010.05
Max (%)90.00.054.0Rem0.200.200.20
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Flat Products1/2 HardH0280   Typ
72   Typ
10   Min
1/4 HardH0168   Typ
45   Typ
20   Min
Extra HardH06105   Typ
100   Typ
4   Min
Extra SpringH10121   Typ
118   Typ
1   Min
HardH0492   Typ
85   Typ
6   Min
Nominal Grain Size 0.015 mmOS01560   Typ
32   Typ
33   Typ
35   Min
SpringH08115   Typ
110   Typ
2   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1890
Melting Point - Solidus°F1850
Densitylb/cu in. at 68°F0.318
Specific Gravity8.8
Electrical Conductivity% IACS at 68°F25
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F63
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)10.2
Modulus of Elasticity in Tensionksi17000
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* Value*
* Temperature is measured in Fahrenheit.
Stress Relief300
Annealing7001350
Typical Uses

No information available.

Applicable Specifications
Form Specific Sub-Form System Standard Description
StripElectric Connector & Spring ContactASTMB888/B88MCOPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS
Corrosion Properties

No information available.