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Chemical Composition
Elements
Cu(1) Pb Fe Al(2) O(3)
(1) Cu value includes Ag.
(2) All aluminum present as Al2O3; 0.04% oxygen present as Cu2O with a negligible amount in solid solution with copper.
(3) All aluminum present as Al2O3; 0.04% oxygen present as Cu2O with a negligible amount in solid solution with copper.
Min (%) 99.52 0.18 0.16
Max (%) 0.01 0.01 0.22 0.24
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
Elongation
(%)
Rockwell B scale Rockwell F scale Section Size
(in)
Cold Work
(%)
* Measured at room temperature, 68°F (20°C).
Flat Products Annealed O61 74 Typ
66 Typ
14 Typ
0.05
Annealed O61 64 Typ
56 Typ
21 Typ
0.05
Annealed O61 70 Typ
55 Typ
13 Typ
0.006
Annealed O61 79 Typ
74 Typ
8 Typ
0.05
As Hot Extruded M30 62 Typ
54 Typ
25 Typ
0.25
Hard H04 82 Typ
78 Typ
5 Typ
0.05 80
Hard H04 95 Typ
92 Typ
3 Typ
0.01 96
Hard H04 78 Typ
74 Typ
6 Typ
0.09 64
Hard H04 85 Typ
82 Typ
4 Typ
0.03 88
Rod Annealed O61 67 Typ
58 Typ
22 Typ
66 Typ
0.275
Annealed O61 71 Typ
64 Typ
20 Typ
69 Typ
0.275
Annealed O61 77 Typ
74 Typ
17 Typ
72 Typ
0.275
As Hot Extruded M30 67 Typ
57 Typ
20 Typ
4
As Hot Extruded M30 64 Typ
56 Typ
25 Typ
1.125
As Hot Extruded M30 76 Typ
74 Typ
13 Typ
3
Hard H04 80 Typ
77 Typ
16 Typ
74 Typ
0.275 94
Hard H04 70 Typ
65 Typ
21 Typ
68 Typ
0.75 55
Hard H04 74 Typ
71 Typ
19 Typ
72 Typ
0.5 80
Wire Annealed O61 73 Typ
68 Typ
8 Typ
0.05
Annealed O61 69 Typ
60 Typ
10 Typ
0.05
Annealed O61 78 Typ
75 Typ
3 Typ
0.05
Hard H04 85 Typ
82 Typ
2 Typ
0.05 99.8
Hard H04 96 Typ
93 Typ
1 Typ
0.02 99.9
Hard H04 81 Typ
78 Typ
2 Typ
0.1 99.2
Hard H04 98 Typ
96 Typ
1 Typ
0.014 99.9
Physical Properties
Melting Point - Liquidus°F 1981
Melting Point - Solidus°F 1981
Densitylb/cu in. at 68°F 0.319
Specific Gravity 8.83
Electrical Conductivity% IACS at 68°F 89
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 204
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.2
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 17000
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Poor
Seam Weld Poor
Butt Weld Fair
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Poor
Common Fabrication Processes
  • Blanking
  • Cold working
  • Drawing
  • Etching
  • Extruding
  • Forging
  • heading
  • Hot isostatic pressing of powder
  • Hot working
  • Machining
  • Roll Threading and Knurling
  • Rolling
  • Stamping
  • Swaging
  • Upsetting
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 1200 1800
Typical uses
Product Category Product Reason Category Reason
Electrical Amortisseur Bars in Synchronous Motors Conductivity (Electrical) Electrical Conductivity
Amortisseur Bars in Synchronous Motors Conductivity (Thermal) Thermal Conductivity
Amortisseur Bars in Synchronous Motors Corrosion Resistance Corrosion Resistance
Amortisseur Bars in Synchronous Motors Mechanical Properties High Strength
Amortisseur Bars in Synchronous Motors Mechanical Properties Retains Strength at High Temperatures
Amortisseur Bars in Synchronous Motors Solderability Solderability
Anodes Conductivity (Electrical) Electrical Conductivity
Cathodes Conductivity (Electrical) Electrical Conductivity
Cathodes Conductivity (Thermal) Thermal Conductivity
Cathodes Corrosion Resistance Corrosion Resistance
Circuit Breakers Conductivity (Electrical) Electrical Conductivity
Circuit Breakers Conductivity (Thermal) Thermal Conductivity
Circuit Breakers Corrosion Resistance Corrosion Resistance
Circuit Breakers Mechanical Properties Retains Strength at High Temperatures
Circuit Breakers Solderability Solderability
Commutators in DC Devices Conductivity (Electrical) Electrical Conductivity
Commutators in DC Devices Conductivity (Thermal) Thermal Conductivity
Commutators in DC Devices Corrosion Resistance Corrosion Resistance
Commutators in DC Devices Mechanical Properties High Strength
Commutators in DC Devices Mechanical Properties Retains Strength at High Temperatures
Commutators in DC Devices Solderability Solderability
Connectors Conductivity (Electrical) Electrical Conductivity
Connectors Conductivity (Thermal) Thermal Conductivity
Connectors Corrosion Resistance Corrosion Resistance
Connectors Mechanical Properties High Strength
Connectors Mechanical Properties Retains Strength at High Temperatures
Connectors Solderability Solderability
Contact Supports Conductivity (Electrical) Electrical Conductivity
Contact Supports Conductivity (Thermal) Thermal Conductivity
Contact Supports Corrosion Resistance Corrosion Resistance
Contact Supports Mechanical Properties High Strength
Contact Supports Mechanical Properties Retains Strength at High Temperatures
Electrical Relay Components Conductivity (Electrical) Electrical Conductivity
Electrical Relay Components Conductivity (Thermal) Thermal Conductivity
Electrical Relay Components Corrosion Resistance Corrosion Resistance
Electrical Relay Components Mechanical Properties High Strength
Electrical Relay Components Solderability Solderability
Grids Conductivity (Electrical) Electrical Conductivity
Grids Conductivity (Thermal) Thermal Conductivity
Grids Corrosion Resistance Corrosion Resistance
Grids Mechanical Properties High Strength
Grids Mechanical Properties Retains Strength at High Temperatures
Grids Solderability Solderability
Heat Sinks Conductivity (Electrical) Electrical Conductivity
Heat Sinks Conductivity (Thermal) Thermal Conductivity
Heat Sinks Corrosion Resistance Corrosion Resistance
Heat Sinks Mechanical Properties High Strength
Heat Sinks Mechanical Properties Retains Strength at High Temperatures
Helixes Conductivity (Electrical) Electrical Conductivity
Helixes Conductivity (Thermal) Thermal Conductivity
Helixes Corrosion Resistance Corrosion Resistance
Helixes Mechanical Properties High Strength
Helixes Mechanical Properties Retains Strength at High Temperatures
Helixes Solderability Solderability
Incandescent Lamp Leads Conductivity (Electrical) Electrical Conductivity
Incandescent Lamp Leads Conductivity (Thermal) Thermal Conductivity
Incandescent Lamp Leads Corrosion Resistance Corrosion Resistance
Incandescent Lamp Leads Mechanical Properties High Strength
Incandescent Lamp Leads Mechanical Properties Retains Strength at High Temperatures
Incandescent Lamp Leads Solderability Solderability
Lead Frames for Integrated Circuits Conductivity (Electrical) Electrical Conductivity
Lead Frames for Integrated Circuits Conductivity (Thermal) Thermal Conductivity
Lead Frames for Integrated Circuits Corrosion Resistance Corrosion Resistance
Lead Frames for Integrated Circuits Mechanical Properties High Strength
Lead Frames for Integrated Circuits Mechanical Properties Retains Strength at High Temperatures
Lead Frames for Integrated Circuits Solderability Solderability
Lead wires Conductivity (Electrical) Electrical Conductivity
Lead wires Conductivity (Thermal) Thermal Conductivity
Lead wires Corrosion Resistance Corrosion Resistance
Lead wires Mechanical Properties High Strength
Lead wires Mechanical Properties Retains Strength at High Temperatures
Lead wires Solderability Solderability
Microwave Tube Components Conductivity (Electrical) Electrical Conductivity
Microwave Tube Components Conductivity (Thermal) Thermal Conductivity
Microwave Tube Components Corrosion Resistance Corrosion Resistance
Microwave Tube Components Mechanical Properties Retains Strength at High Temperatures
Microwave Tube Components Solderability Solderability
Pin Connectors Corrosion Resistance Corrosion Resistance
Pin Connectors Mechanical Properties High Strength
Pin Connectors Mechanical Properties Retains Strength at High Temperatures
Radiators Brazing Characteristics Brazability
Radiators Conductivity (Thermal) Thermal Conductivity
Radiators Corrosion Resistance Corrosion Resistance
Radiators Mechanical Properties High Strength
Radiators Mechanical Properties Retains Strength at High Temperatures
Relay Blades Conductivity (Electrical) Electrical Conductivity
Relay Blades Conductivity (Thermal) Thermal Conductivity
Relay Blades Corrosion Resistance Corrosion Resistance
Relay Blades Mechanical Properties High Strength
Relay Blades Mechanical Properties Retains Strength at High Temperatures
Rotor Bars Conductivity (Electrical) Electrical Conductivity
Rotor Bars Conductivity (Thermal) Thermal Conductivity
Rotor Bars Corrosion Resistance Corrosion Resistance
Rotor Bars Mechanical Properties High Strength
Rotor Bars Mechanical Properties Retains Strength at High Temperatures
Springs, Relay and Switch Conductivity (Electrical) Electrical Conductivity
Springs, Relay and Switch Conductivity (Thermal) Thermal Conductivity
Springs, Relay and Switch Corrosion Resistance Corrosion Resistance
Springs, Relay and Switch Mechanical Properties High Strength
Springs, Relay and Switch Mechanical Properties Retains Strength at High Temperatures
Switches Conductivity (Electrical) Electrical Conductivity
Switches Conductivity (Thermal) Thermal Conductivity
Switches Corrosion Resistance Corrosion Resistance
Switches Mechanical Properties High Strength
Switches Mechanical Properties Retains Strength at High Temperatures
Vacuum Tube Components Conductivity (Electrical) Electrical Conductivity
Vacuum Tube Components Conductivity (Thermal) Thermal Conductivity
Vacuum Tube Components Corrosion Resistance Corrosion Resistance
Vacuum Tube Components Mechanical Properties High Strength
Vacuum Tube Components Mechanical Properties Retains Strength at High Temperatures
Vacuum Tube Components Solderability Solderability
Wire Conductivity (Electrical) Electrical Conductivity
Wire Conductivity (Thermal) Thermal Conductivity
Wire Corrosion Resistance Corrosion Resistance
Wire Mechanical Properties High Strength
Wire Mechanical Properties Retains Strength at High Temperatures
X-ray Tube Components Conductivity (Electrical) Electrical Conductivity
X-ray Tube Components Conductivity (Thermal) Thermal Conductivity
X-ray Tube Components Corrosion Resistance Corrosion Resistance
X-ray Tube Components Mechanical Properties High Strength
X-ray Tube Components Mechanical Properties Retains Strength at High Temperatures
X-ray Tube Components Solderability Solderability
Industrial Electrolytic Chlorine Cell Connectors Conductivity (Thermal) Thermal Conductivity
Electrolytic Chlorine Cell Connectors Corrosion Resistance Corrosion Resistance
Electrolytic Chlorine Cell Connectors Mechanical Properties High Strength
Electrolytic Chlorine Cell Connectors Mechanical Properties Retains Strength at High Temperatures
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
Soldering Gun Tips Conductivity (Electrical) Electrical Conductivity
Soldering Gun Tips Conductivity (Thermal) Thermal Conductivity
Soldering Gun Tips Corrosion Resistance Corrosion Resistance
Soldering Gun Tips Mechanical Properties High Strength
Soldering Gun Tips Mechanical Properties Retains Strength at High Temperatures
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.