Find suppliers for this alloyC68800
Chemical Composition
Element
Cu(1,2)PbZn(3)FeAl(4)Co
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Al + Zn 25.1 - 27.1%. (4) Al + Zn 25.1 - 27.1%.
Min (%)21.33.00.25
Max (%)Rem0.0524.10.203.80.55
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale
Rockwell 30T scale
Fatigue Strength**
(ksi)
Section Size
(in)
Flat Products1/2 HardH0293   Typ
75   Typ
20   Typ
90   Typ
78   Typ
0.04
Extra HardH06117   Typ
105   Typ
3   Typ
97   Typ
83   Typ
0.04
Extra SpringH10129   Typ
114   Typ
2   Typ
99   Typ
83   Typ
0.04
HardH04109   Typ
97   Typ
6   Typ
96   Typ
82   Typ
0.04
Nominal Grain Size 0.015 mmOS01582   Typ
55   Typ
54   Typ
36   Typ
81   Typ
71   Typ
0.04
SpringH08122   Typ
110   Typ
2   Typ
98   Typ
83   Typ
37   Typ
0.04
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Physical Properties
Melting Point - Liquidus°F1765
Melting Point - Solidus°F1740
Densitylb/cu in. at 68°F0.296
Specific Gravity8.2
Electrical Conductivity% IACS at 68°F18
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F23
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.1
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi16800
Fabrication Properties
Technique Suitability
SolderingFair
BrazingFair
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedExcellent
Common Fabrication Processes
  • Blanking
  • Drawing
  • Forming and Bending
  • Shearing and Stamping
    
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing7501100
Typical uses
Product Category Product Reason Category Reason
ElectricalConnectorsConductivity (Electrical)Electrical Conductivity
ConnectorsConductivity (Thermal)Thermal Conductivity
ConnectorsCorrosion ResistanceCorrosion Resistance
ConnectorsForming CharacteristicsFormability
ConnectorsMechanical PropertiesHigh Strength
ContactsConductivity (Electrical)Electrical Conductivity
ContactsConductivity (Thermal)Thermal Conductivity
ContactsForming CharacteristicsFormability
ContactsMechanical PropertiesHigh Strength
Electrical ConnectorsConductivity (Electrical)Electrical Conductivity
Electrical ConnectorsForming CharacteristicsFormability
Electrical ConnectorsMechanical PropertiesHigh Strength
Electronic ConnectorsConductivity (Electrical)Electrical Conductivity
Electronic ConnectorsForming CharacteristicsFormability
Electronic ConnectorsMechanical PropertiesHigh Strength
Plug ReceptaclesConductivity (Electrical)Electrical Conductivity
Plug ReceptaclesConductivity (Thermal)Thermal Conductivity
Plug ReceptaclesCorrosion ResistanceCorrosion Resistance
Plug ReceptaclesForming CharacteristicsFormability
Plug ReceptaclesMechanical PropertiesHigh Strength
RelaysConductivity (Electrical)Electrical Conductivity
RelaysForming CharacteristicsFormability
RelaysMechanical PropertiesHigh Strength
SpringsConductivity (Electrical)Electrical Conductivity
SpringsConductivity (Thermal)Thermal Conductivity
SpringsCorrosion ResistanceCorrosion Resistance
SpringsForming CharacteristicsFormability
SpringsMechanical PropertiesDuctility
SpringsMechanical PropertiesHigh Strength
SwitchesConductivity (Electrical)Electrical Conductivity
SwitchesConductivity (Thermal)Thermal Conductivity
SwitchesCorrosion ResistanceCorrosion Resistance
SwitchesForming CharacteristicsFormability
SwitchesMechanical PropertiesHigh Strength
TerminalsConductivity (Electrical)Electrical Conductivity
TerminalsConductivity (Thermal)Thermal Conductivity
TerminalsCorrosion ResistanceCorrosion Resistance
TerminalsForming CharacteristicsFormability
TerminalsMechanical PropertiesHigh Strength
IndustrialDrawn PartsForming CharacteristicsFormability
Drawn PartsMechanical PropertiesDuctility
Drawn PartsMechanical PropertiesHigh Strength
Applicable Specifications
Form Sub-Form Specific Sub-Form System Standard Description
BarRolledASTMB592COPPER-ZINC-ALUMINUM-COBALT ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
PlateASTMB592COPPER-ZINC-ALUMINUM-COBALT ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
SheetASTMB592COPPER-ZINC-ALUMINUM-COBALT ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
StripASTMB592COPPER-ZINC-ALUMINUM-COBALT 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.