C27451
DESCRIPTION
C27451 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 |
Densitylb/cu in. at 68°F |
0.31 |
Specific Gravity |
8.44 |
Electrical Conductivity% IACS at 68°F |
22.8 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F |
67 |
Coefficient of Thermal Expansion 68-57210⁻⁶ 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 |
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 Formed |
Excellent |
Forgeability Rating |
95 |