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C51080
| Elements | |||||||
|---|---|---|---|---|---|---|---|
| Cu(1) | Pb | Sn | Zn | Fe | P | Ni | |
|
(1) Cu + Sum of Named Elements 99.5% min. |
|||||||
| Min (%) | 4.8 | 0.05 | 0.01 | 0.05 | |||
| Max (%) | Rem | 0.05 | 5.8 | 0.30 | 0.20 | 0.35 | 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 |
95 Typ |
90 Typ |
18 Typ |
| 1/4 Hard | H01 |
76 Typ |
63 Typ |
30 Typ |
|
| Extra Hard | H06 |
114 Typ |
110 Typ |
6 Typ |
|
| Hard | H04 |
108 Typ |
104 Typ |
10 Typ |
|
| Nominal Grain Size 0.015 mm | OS015 |
60 Typ |
31 Typ |
49 Typ |
|
| Spring | H08 |
118 Typ |
115 Typ |
2 Typ |
|
| Melting Point - Liquidus°F | 1925 |
|---|---|
| Melting Point - Solidus°F | 1745 |
| Densitylb/cu in. at 68°F | 0.32 |
| Specific Gravity | 8.86 |
| Electrical Conductivity% IACS at 68°F | 15 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 40 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.9 |
| Modulus of Elasticity in Tensionksi | 16000 |
| Modulus of Rigidityksi | 6000 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Fair |
| Gas Shielded Arc Welding | Good |
| Coated Metal Arc Welding | Fair |
| Spot Weld | Good |
| Seam Weld | Fair |
| Butt Weld | Excellent |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Poor |
| Machinability Rating | 20 |
Common Fabrication Processes
No fabrication process properties for this alloy
| Treatment | Minimum* | Maximum* | ||
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Annealing | 700 | 1350 | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Automotive | Terminals, automotive | Conductivity (Electrical) | Electrical Conductivity |
| Terminals, automotive | Mechanical Properties | Ductility | |
| Terminals, automotive | Mechanical Properties | Strength | |
| Electrical | Connectors, Electrical, Lead-Free | Conductivity (Electrical) | Electrical Conductivity |
| Connectors, Electrical, Lead-Free | Corrosion Resistance | Stress Corrosion Crack Resistant | |
| Connectors, Electrical, Lead-Free | Mechanical Properties | Strength, Moderate | |
| Connectors, Electrical, Lead-Free | Stress Relaxation | Stress Relaxation Resistance | |
| Contact springs | Conductivity (Electrical) | Electrical Conductivity | |
| Contact springs | Corrosion Resistance | Corrosion Resistance | |
| Contact springs | Mechanical Properties | Moderate to High Strength | |
| Contact springs | Solderability | Solderability |
| 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
No Corrosion Properties Available.