Copper (UNS C19150)

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties


Copper UNS C19150 is high copper alloy. It is also known as leaded nickel copper. It has good high strength with good conductivity rated at 55% IACS and corrosion resistance. It is also highly machinable. The lead content in this alloy makes it easier to realize free-cutting properties.

Copper UNS C19150 is a heat treatable wrought alloy. This alloy has excellent surface finish and microstructural consistency.

The following datasheet discusses the chemical composition and properties of copper UNS C19150.

Chemical Composition

The chemical composition of copper UNS C19150 is given in the following table.

Element Content (%)
Nickel, Ni 0.80-1.2
Lead, Pb 0.5-1.0
Phosphorous, P 0.15-0.35
Copper, Cu Balance

Physical Properties

The following table discusses the physical properties of copper UNS C19150.

Properties Metric Imperial
Density 8.8 g/cm3 0.32 lb/in3
Melting point 1040-1050°C 1900-1930°F

Mechanical Properties

The mechanical properties of copper UNS C19150 are tabulated below.

Properties Metric Imperial
Modulus of elasticity 124 GPa 17984 ksi
Poisson's ratio 0.3 0.3

Thermal Properties

The thermal properties of copper UNS C19150 are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient 17.7 ppm/°C 9.8 ppm/°F
Thermal conductivity 210 W/mK 120 BTU in/hr.ft².°F


Copper UNS C19150 finds application in:

  • Gears
  • Bolts
  • Bushings
  • Marine hardware
  • Electrical and mechanical components
  • Automatic screw machine applications
  • Cylindrical connector contacts

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