Shanghai Unique Alloy Co.Ltd 

Focus on Copper Alloy 

CuNi1Pb0.5P-UNS.C19140 Low Leaded Nickel Copper




Chemical Composition:
Ni: 0.80-1.20%
Pb: 0.40-0.80%
P:  0.15-0.35%
Sn:0.05% Max.
Zn:0.50% Max.
Fe:0.05% Max.
Cu: Reminder

Note: Cu value include Ag, and Cu + others elements to be 99.50% Min.


Typical Physical Properties:
Density at 68°F: 0.321 Lbs./In.3
Specific Gravity: 8.90
Melting Point (Liquidus): 1082°C (1980°F)
Coefficient of Thermal Expansion per °F: 9.8 x 10-6 (77-212°F)
Electrical Conductivity at 68°F (volumetric): 50% IACS Min.(aged and drawn)
Thermal Conductivity Btu/ft.2/ft./hr./°F at 68°F: 146
Modulus of Elasticity - Tension: 18,000 ksi
1). the units are based upon US Customary.
2). the typical physical properties apply to age hardened products.


International Specification/Production Standards: 
Rods/Bars/Wires: UNS.C19140
European Standards: CuNi1Pb0.5P, DIN 17666