C27451
C27451is 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
- Plumbing