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C19710
| Elements | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cu(1) | Pb | Sn | Zn | Fe | P | Ni(2) | Mg | Mn | |
|
(1) Cu + Sum of Named Elements 99.5% min. (2) Ni value includes Co. |
|||||||||
| Min (%) | 0.05 | 0.07 | 0.03 | ||||||
| Max (%) | Rem | 0.05 | 0.20 | 0.20 | 0.40 | 0.15 | 0.10 | 0.06 | 0.05 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | |||||
| Flat Products | Extra Spring and Stress Relieved | HR10 |
78 Min |
73 Min |
3 Min |
| Hard and Stress Relieved | HR04 |
57 Min |
55 Min |
3 Min |
|
| Melting Point - Liquidus°F | 1986 |
|---|---|
| Melting Point - Solidus°F | 1956 |
| Densitylb/cu in. at 68°F | 0.319 |
| Specific Gravity | 8.84 |
| Electrical Conductivity% IACS at 68°F | 70 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 162 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.6 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tensionksi | 17200 |
| Modulus of Rigidityksi | 6600 |
| Magnetic Permeability | 0.999 |
| Poisson's Ratio | 0.3 |
Fabrication Properties
Common Fabrication Processes
Thermal Properties
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Electrical Springs | Conductivity (Electrical) | Electrical Conductivity |
| Electrical terminals | Conductivity (Electrical) | Electrical Conductivity | |
| Lead Frames | Conductivity (Electrical) | Electrical Conductivity |
Applicable Specifications
Corrosion Properties