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
| 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?? 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
| 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 |
