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C64740
| Elements | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Sn | Zn | Fe | Ni(3) | Ca | Mg | Si | |
|
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co. |
|||||||||
| Min (%) | 95.0 | 1.5 | 0.20 | 1.0 | 0.05 | ||||
| Max (%) | 0.01 | 2.5 | 1.0 | 0.25 | 2.0 | 0.01 | 0.05 | 0.50 | |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
Vickers Hardness, 500 gm |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Flat Products | 1/2 Hard | H02 |
78 Typ |
75 Typ |
7 Min |
165 Typ |
| Extra Hard | H06 |
93 Typ |
89 Typ |
5 Min |
195 Typ |
|
| Hard | H04 |
85 Typ |
84 Typ |
5 Min |
180 Typ |
|
| Spring | H08 |
100 Typ |
96 Typ |
5 Min |
210 Typ |
|
| Melting Point - Liquidus°F | 1967 |
|---|---|
| Melting Point - Solidus°F | 1850 |
| Densitylb/cu in. at 68°F | 0.32 |
| Specific Gravity | 8.9 |
| Electrical Conductivity% IACS at 68°F | 30 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 70 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.4 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tensionksi | 17800 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Excellent |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Not Recommended |
| Seam Weld | Not Recommended |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 65 |
| Machinability Rating | 20 |
Common Fabrication Processes
No fabrication process properties for this alloy
| Treatment | Minimum* | Maximum* | ||
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Annealing | 660 | 1200 | ||
| Hot Working Temperature | 1200 | 1800 | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Circuit Breaker Components | Conductivity (Thermal) | Thermal Conductivity |
| Circuit Breaker Components | Corrosion Resistance | Resistance to Corrosion - General and Pitting in Water Radiators | |
| Circuit Breaker Components | Solderability | Solderability | |
| Conductors | Conductivity (Thermal) | Thermal Conductivity | |
| Conductors | Corrosion Resistance | Corrosion Resistance | |
| Conductors | Mechanical Properties | Ductility | |
| Conductors, Electrical and Thermal, High Strength | Conductivity (Electrical) | Electrical Conductivity | |
| Conductors, Electrical and Thermal, High Strength | Conductivity (Thermal) | Thermal Conductivity | |
| Conductors, Electrical and Thermal, High Strength | Corrosion Resistance | Corrosion Resistance | |
| Conductors, Electrical and Thermal, High Strength | Corrosion Resistance | Stress corrosion resistance, high | |
| Conductors, Electrical and Thermal, High Strength | Forming Characteristics | Formability | |
| Conductors, Electrical and Thermal, High Strength | Mechanical Properties | High Strength | |
| Conductors, Electrical and Thermal, High Strength | Plating Characteristics | Platability | |
| Contacts, switch | Conductivity (Electrical) | Electrical Conductivity | |
| Contacts, switch | Conductivity (Thermal) | Thermal Conductivity | |
| Contacts, switch | Mechanical Properties | Fatigue Strength, High | |
| Contacts, switch | Mechanical Properties | Strength, High | |
| Contacts, switch | Mechanical Properties | Thermal Softening Resistance | |
| Lead Frames | Conductivity (Electrical) | Electrical Conductivity |
Applicable Specifications
No applicable specifications for this alloy
Corrosion Properties
No Corrosion Properties Available.