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Chemical Composition
Elements
Cu(1,2) Fe(3) Al Be Co(4) Si
(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.5% min.
(3) Ni + Co 0.20% min.: Ni + Fe + Co 0.6% max.
(4) Ni + Co 0.20% min.: Ni + Fe + Co 0.6% max.
Min (%) 0.15 0.15
Max (%) Rem 0.20 0.20 0.50 0.35 0.20
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
Elongation
(%)
Rockwell B scale Fatigue Strength**
(ksi)
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Flat Products 90 Typ
25 Typ
4 Typ
90 Typ
27 Typ
115 Typ
110 Typ
12 Typ
105 Typ
Physical Properties
(1)Cold worked and aged.(2)Actual value is 120-150.
Melting Point - Liquidus°F 1950
Melting Point - Solidus°F 1875
Densitylb/cu in. at 68°F 0.318
Electrical Conductivity% IACS at 68°F 40 (1)
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 120 (2)
Modulus of Elasticity in Tensionksi 19000
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Fair
Spot Weld Good
Seam Weld Fair
Butt Weld Fair
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Common Fabrication Processes
  • Blanking
  • Drilling
  • Forming and Bending
  • Tapping
  • Turning
Thermal Properties

No thermal properties for this alloy

Typical uses
Product Category Product Reason Category Reason
Electrical Appliance Controls Conductivity (Electrical) Electrical Conductivity
Appliance Controls Conductivity (Thermal) Thermal Conductivity
Appliance Controls Corrosion Resistance Corrosion Resistance
Appliance Controls Mechanical Properties Very High Strength
Bus Bars Conductivity (Electrical) Electrical Conductivity
Bus Bars Conductivity (Thermal) Thermal Conductivity
Bus Bars Corrosion Resistance Corrosion Resistance
Bus Bars Mechanical Properties Very High Strength
Bus Bars Softening Resistance Resistance to Thermal Softening
Connectors Conductivity (Electrical) Electrical Conductivity
Connectors Conductivity (Thermal) Thermal Conductivity
Connectors Corrosion Resistance Corrosion Resistance
Connectors Creep Properties Creep Resistant
Connectors Mechanical Properties Very High Strength
Connectors Softening Resistance Resistance to Thermal Softening
Connectors Thermal Properties Resistance to Stress Relaxation
Contacts Conductivity (Electrical) Electrical Conductivity
Contacts Corrosion Resistance Corrosion Resistance
Contacts Creep Properties Creep Resistant
Contacts Friction & Wear Properties Wear Resistance
Contacts Mechanical Properties High Strength
Contacts Softening Resistance Resistance to Thermal Softening
Contacts Solderability Solderability
Current and Signal Carrying Springs Conductivity (Electrical) Electrical Conductivity
Current and Signal Carrying Springs Corrosion Resistance Corrosion Resistance
Current and Signal Carrying Springs Creep Properties Creep Resistant
Current and Signal Carrying Springs Mechanical Properties Fatigue Resistance
Current and Signal Carrying Springs Mechanical Properties High Strength
Current and Signal Carrying Springs Softening Resistance Resistance to Thermal Softening
Current and Signal Carrying Springs Solderability Solderability
Diaphragms Corrosion Resistance Corrosion Resistance
Diaphragms Forming Characteristics Formability
Diaphragms Mechanical Properties Ductility
Diaphragms Mechanical Properties High Strength
EMI-RFI Shielding Forming Characteristics Formability
EMI-RFI Shielding Mechanical Properties Ductility
EMI-RFI Shielding Mechanical Properties High Strength
Fuse Clips Conductivity (Electrical) Electrical Conductivity
Fuse Clips Corrosion Resistance Corrosion Resistance
Fuse Clips Mechanical Properties High Strength
Fuse Clips Solderability Solderability
Geophone Springs Conductivity (Electrical) Electrical Conductivity
Geophone Springs Conductivity (Thermal) Thermal Conductivity
Geophone Springs Corrosion Resistance Corrosion Resistance
Geophone Springs Mechanical Properties Fatigue Resistance
Geophone Springs Mechanical Properties High Strength
Heat Sinks Conductivity (Electrical) Electrical Conductivity
Heat Sinks Conductivity (Thermal) Thermal Conductivity
Heat Sinks Mechanical Properties High Strength
Keyboards Mechanical Properties High Strength
Keyboards Solderability Solderability
Lead Frames Conductivity (Electrical) Electrical Conductivity
Lead Frames Corrosion Resistance Corrosion Resistance
Lead Frames Creep Properties Creep Resistant
Lead Frames Mechanical Properties High Strength
Lead Frames Softening Resistance Resistance to Thermal Softening
Lead Frames Solderability Solderability
Relays Conductivity (Electrical) Electrical Conductivity
Relays Corrosion Resistance Corrosion Resistance
Relays Creep Properties Creep Resistant
Relays Mechanical Properties High Strength
Relays Solderability Solderability
Sensors Conductivity (Electrical) Electrical Conductivity
Sensors Conductivity (Thermal) Thermal Conductivity
Sensors Corrosion Resistance Corrosion Resistance
Sensors Mechanical Properties High Strength
Sensors Solderability Solderability
Sockets Appearance Appearance
Sockets Corrosion Resistance Corrosion Resistance
Sockets Mechanical Properties Fatigue Resistance
Sockets Mechanical Properties High Strength
Switch blades Conductivity (Electrical) Electrical Conductivity
Switch blades Corrosion Resistance Corrosion Resistance
Switch blades Creep Properties Creep Resistant
Switch blades Mechanical Properties High Strength
Switch blades Softening Resistance Resistance to Thermal Softening
Switch blades Solderability Solderability
Switches Conductivity (Electrical) Electrical Conductivity
Switches Conductivity (Thermal) Thermal Conductivity
Switches Corrosion Resistance Corrosion Resistance
Switches Creep Properties Creep Resistant
Switches Mechanical Properties High Strength
Switches Solderability Solderability
Terminals Conductivity (Electrical) Electrical Conductivity
Terminals Corrosion Resistance Corrosion Resistance
Terminals Creep Properties Creep Resistant
Terminals Mechanical Properties High Strength
Terminals Mechanical Properties Retains Strength at High Temperatures
Terminals Softening Resistance Resistance to Thermal Softening
Terminals Solderability Solderability
Industrial Bellows Corrosion Resistance Corrosion Resistance
Bellows Forming Characteristics Formability
Bellows Mechanical Properties Ductility
Bellows Mechanical Properties Very High Strength
Die casting plunger tips Conductivity (Electrical) Electrical Conductivity
Die casting plunger tips Corrosion Resistance Corrosion Resistance
Die casting plunger tips Creep Properties Creep Resistant
Die casting plunger tips Friction & Wear Properties Wear Resistance
Die casting plunger tips Mechanical Properties High Strength
Die casting plunger tips Softening Resistance Resistance to Thermal Softening
Mechanical Springs Corrosion Resistance Corrosion Resistance
Mechanical Springs Creep Properties Creep Resistant
Mechanical Springs Forming Characteristics Formability
Mechanical Springs Mechanical Properties Ductility
Mechanical Springs Mechanical Properties Fatigue Resistance
Mechanical Springs Mechanical Properties High Strength
Mechanical Springs Softening Resistance Resistance to Thermal Softening
Resistance Welding Electrodes Conductivity (Electrical) Electrical Conductivity
Resistance Welding Electrodes Conductivity (Thermal) Thermal Conductivity
Resistance Welding Electrodes Corrosion Resistance Oxidation Resistance
Resistance Welding Electrodes Softening Resistance Resistance to Thermal Softening
Sleeve Bearings Conductivity (Electrical) Electrical Conductivity
Sleeve Bearings Corrosion Resistance Corrosion Resistance
Sleeve Bearings Friction & Wear Properties Wear Resistance
Sleeve Bearings Mechanical Properties High Strength
Tooling to Mold Plastics Conductivity (Electrical) Electrical Conductivity
Tooling to Mold Plastics Corrosion Resistance Corrosion Resistance
Tooling to Mold Plastics Creep Properties Creep Resistant
Tooling to Mold Plastics Friction & Wear Properties Wear Resistance
Tooling to Mold Plastics Mechanical Properties High Strength
Tooling to Mold Plastics Softening Resistance Resistance to Thermal Softening
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.