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C27450
| Elements | ||||
|---|---|---|---|---|
| Cu(1) | Pb | Zn | Fe | |
|
(1) Cu + Sum of Named Elements 99.5% min. |
||||
| Min (%) | 60.0 | |||
| Max (%) | 65.0 | 0.25 | Rem | 0.35 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
Rockwell B scale |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Rod | Hard | H04 |
63 Typ |
47 Typ |
25 Typ |
68 Typ |
| Melting Point - Liquidus°F | 1680 |
|---|---|
| Densitylb/cu in. at 68°F | 0.31 |
| Specific Gravity | 8.44 |
| Electrical Conductivity% IACS at 68°F | 27 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 67 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 11.4 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tensionksi | 15000 |
| Modulus of Rigidityksi | 5600 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Fair |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Good |
| Seam Weld | Not Recommended |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 95 |
| Machinability Rating | 70 |
Common Fabrication Processes
Thermal Properties
Typical Uses
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Forgings, Die (Hot Pressed) | ASTM | B283/B283M | COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED) | ||
| ASME | SB283 | COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED) | |||
| Rod, Bar & Shapes | ASTM | B124/B124M | COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES | ||
| ASTM | B927/B927M | BRASS ROD, BAR, AND SHAPES |
Corrosion Properties