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C70250
| Elements | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Zn | Fe | Ni(3) | Mg | Mn | Si | |
|
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co. |
||||||||
| Min (%) | 2.2 | 0.05 | 0.25 | |||||
| Max (%) | Rem | 0.05 | 1.0 | 0.20 | 4.2 | 0.30 | 0.10 | 1.2 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
Elongation (%) |
|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||
| Strip | Mill-hardened Temper, TM - 3/4 HM | TM03 |
100 Min for Standard |
5 Typ |
| Mill-hardened Temper, TM - 1/2 Hard | TM00 |
90 Min for Standard |
10 Typ |
|
| Mill-hardened Temper, TM - 1/2 Hard | TM02 |
95 Min for Standard |
7 Typ |
|
| (1)TM03 Temper(2)TM00 Temper(3)TM02 Temper | |
| Melting Point - Liquidus°F | 2003 |
|---|---|
| Melting Point - Solidus°F | 1967 |
| Densitylb/cu in. at 68°F | 0.318 |
| Specific Gravity | 8.82 |
| Electrical Conductivity% IACS at 68°F | 35 (1) |
| Electrical Conductivity% IACS at 68°F | 40 (2) |
| Electrical Conductivity% IACS at 68°F | 40 (3) |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 97.5 |
| Modulus of Elasticity in Tensionksi | 19000 |
Fabrication Properties
No fabrication properties for this alloy
Common Fabrication Processes
No fabrication process properties for this alloy
Thermal Properties
No thermal properties for this alloy
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Automotive Electrical Connectors | Conductivity (Electrical) | Electrical Conductivity |
| Automotive Electrical Connectors | Mechanical Properties | High Strength | |
| Automotive Electrical Connectors | Thermal Properties | High Temperature Capability | |
| Automotive Electronic Connectors | Conductivity (Electrical) | Electrical Conductivity | |
| Automotive Electronic Connectors | Mechanical Properties | High Strength | |
| Automotive Electronic Connectors | Thermal Properties | High Temperature Capability | |
| Contact springs | Conductivity (Electrical) | Electrical Conductivity | |
| Contact springs | Conductivity (Thermal) | Thermal Conductivity | |
| Contact springs | Corrosion Resistance | Corrosion Resistance | |
| Contact springs | Forming Characteristics | Formability | |
| Contact springs | Mechanical Properties | High Strength | |
| Contact springs | Thermal Properties | Resistance to Stress Relaxation | |
| Electronic Connectors | Conductivity (Electrical) | Electrical Conductivity | |
| Electronic Connectors | Mechanical Properties | High Strength | |
| Electronic Connectors | Thermal Properties | High Temperature Capability | |
| Lead Frames | Conductivity (Electrical) | Electrical Conductivity | |
| Lead Frames | Conductivity (Thermal) | Thermal Conductivity | |
| Lead Frames | Corrosion Resistance | Corrosion Resistance | |
| Lead Frames | Forming Characteristics | Formability | |
| Lead Frames | Mechanical Properties | High Strength |
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Sheet & Strip | ASTM | B422/B422M | COPPER-ALUMINUM-SILICON-COBALT ALLOY AND COPPER-NICKEL-ALUMINUM-SILICON ALLOY SHEET AND STRIP | ||
| Strip | ASTM | B888/B88M | COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS |
Corrosion Properties
No Corrosion Properties Available.