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

TYPICAL USES

  • Plumbing