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