Find suppliers for this alloyC70310
Chemical Composition
Element
Cu(1,2)PbSnZnFePNi(3)AgMgSiZr
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co.
Min (%)1.00.020.080.005
Max (%)Rem0.051.02.00.100.054.00.500.101.00.05
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
StripMill-hardened Temper, TM - 1/2 HardTM0295   Min for Standard
108   Max for Standard
85   Min for Standard
10   Typ
Mill-hardened Temper, TM - HardTM04100   Min for Standard
117   Max for Standard
95   Min for Standard
6   Typ
Mill-hardened Temper, TM - XHMS SpringTM08110   Min for Standard
105   Min for Standard
4   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1994
Melting Point - Solidus°F1957
Densitylb/cu in. at 68°F0.319
Specific Gravity8.85
Electrical Conductivity% IACS at 68°F38
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)9.4
Modulus of Elasticity in Tensionksi18600
Fabrication Properties
Technique Suitability
SolderingGood
BrazingGood
Oxyacetylene WeldingGood
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedExcellent
Common Fabrication Processes
  • Forming and Bending
  • Stamping
Thermal Characteristics

No thermal characteristics for this alloy

Typical uses
Product Category Product Reason Category Reason
ElectricalConnectors
Contacts
Switches and Relays
Terminals
Applicable Specifications
Form Specific Sub-Form System Standard Description
Sheet & StripASTMB422/B422MCOPPER-ALUMINUM-SILICON-COBALT ALLOY AND COPPER-NICKEL-ALUMINUM-SILICON 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.