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C70255
| Elements | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Cu(1) | Pb | Sn | Zn | Fe | P | Ni | Cr | Mn | Si | |
|
(1) Cu + Sum of Named Elements, 99.95% min. |
||||||||||
| Min (%) | 0.05 | 3.0 | 0.50 | 0.40 | ||||||
| Max (%) | Rem | 0.02 | 0.50 | 0.40 | 0.10 | 0.02 | 4.5 | 0.20 | 2.0 | 1.2 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
Vickers Hardness, 3000 gm |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Strip | Hard | H04 |
128 Min 138 Typ 145 Max |
119 Min 130 Typ 138 Max |
4.0 Typ |
280 Min 310 Max |
| Melting Point - Liquidus°F | 1925 |
|---|---|
| Melting Point - Solidus°F | 1880 |
| Densitylb/cu in. at 68°F | 0.32 |
| Specific Gravity | 8.88 |
| Electrical Conductivity% IACS at 68°F | 19 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 128 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 8.94 |
| Modulus of Elasticity in Tensionksi | 17449 |
| Poisson's Ratioksi | 0.33 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Not Recommended |
| Coated Metal Arc Welding | Excellent |
| Spot Weld | Not Recommended |
| Seam Weld | Not Recommended |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Excellent |
Common Fabrication Processes
No fabrication process properties for this alloy
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Electrical | Connectors, Electrical, Lead-Free | ||
| Switch Parts | |||
| Auto parts, Electrical and electronic parts |
Applicable Specifications
No applicable specifications for this alloy
Corrosion Properties
No Corrosion Properties Available.