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C42600
Elements | |||||||
---|---|---|---|---|---|---|---|
Cu(1,2) | Pb | Sn | Zn | Fe | P | Ni(3) | |
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.7% min. (3) Ni value includes Co. |
|||||||
Min (%) | 87.0 | 2.5 | 0.05 | 0.01 | 0.05 | ||
Max (%) | 90.0 | 0.05 | 4.0 | Rem | 0.20 | 0.20 | 0.20 |
Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
---|---|---|---|---|---|
* Measured at room temperature, 68°F (20°C). | |||||
Flat Products | 1/2 Hard | H02 |
80 Typ |
72 Typ |
10 Min |
1/4 Hard | H01 |
68 Typ |
45 Typ |
20 Min |
|
Extra Hard | H06 |
105 Typ |
100 Typ |
4 Min |
|
Extra Spring | H10 |
121 Typ |
118 Typ |
1 Min |
|
Hard | H04 |
92 Typ |
85 Typ |
6 Min |
|
Nominal Grain Size 0.015 mm | OS015 |
60 Typ |
32 Typ |
35 Min |
|
Spring | H08 |
115 Typ |
110 Typ |
2 Min |
Melting Point - Liquidus°F | 1890 |
---|---|
Melting Point - Solidus°F | 1850 |
Densitylb/cu in. at 68°F | 0.318 |
Specific Gravity | 8.8 |
Electrical Conductivity% IACS at 68°F | 25 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 63 |
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) | 10.2 |
Modulus of Elasticity in Tensionksi | 17000 |
Technique | Suitability |
---|---|
Soldering | Excellent |
Brazing | Excellent |
Oxyacetylene Welding | Good |
Gas Shielded Arc Welding | Good |
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 | Fair |
Machinability Rating | 30 |
Common Fabrication Processes
Treatment | Minimum* | Maximum* | Value* | |
---|---|---|---|---|
* Temperature is measured in Fahrenheit. | ||||
Stress Relief | 300 | |||
Annealing | 700 | 1350 |
Typical Uses
Form | Specific Sub-Form | Application | System | Standard | Description |
---|---|---|---|---|---|
Strip | ASTM | B888/B88M | COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS |
Corrosion Properties