C27451
C27451 Spec SheetC27451 is a lead-free material suited for the use in drinking water applications. C27451 can be used where no high mechanical stresses occur. Uses: A ductile alloy suitable for blanking, riveting, bending, hot forging and pressing, hot heading, up-setting large nuts & bolts and brazing rods
Chemical Composition
| Elements | Min (%) | Max (%) |
|---|---|---|
| Cu | 61.00 | 65.00 |
| Pb | – | 0.25 |
| Fe | – | 0.35 |
| Total Others | – | 0.50 |
| Zn | Remainder | |
Mechanical properties according to ASTM B124
Mechanical property requirement, if any, are to be established by agreement between the manufacturer and the purchaser.
| PHYSICAL PROPERTIES | |
|---|---|
| Melting Point – Liquidus °F | 1680 |
| Melting Point – Solidus °F | 1650 |
| Density lb/cu in at 68°F | 0.31 |
| Specific Gravity | 8.44 |
| Electrical Conductivity %IACS at 68°F | 22.8 |
| Thermal Conductivity BTU/sq ft/ft hr/°F at 68°F | 67 |
| Coefficient of Thermal Expansion 68–572 × 10⁻⁶ per °F (68–572°F) | 11.4 |
| Specific Heat Capacity Btu/lb/°F at 68°F | 0.09 |
| Modulus of Elasticity in Tension ksi | 15000 |
| Modulus of Rigidity ksi | 5500 |
| Magnetic Permeability | 1 |
| FABRICATION PROPERTIES | |
|---|---|
| Technique | Suitability |
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| 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 Worked | Excellent |
| Machinability Rating | 95 |
Typical Uses
