Polished C97800 Leaded Nickel Bronze Bar

UNS C97800 alloy is a leaded nickel bronze copper alloy. Other types of bronze alloys include phosphor bronze, tin bronze, aluminum bronze, silicon bronze, architectural bronze and manganese bronze.

The datasheet given below provides an overview of UNS C97800 alloy.

Chemical Composition

The chemical composition of the UNS C97800 alloy is outlined in the following table.

ElementContent (%)

Cu64.0-67.0%

Ni24.0-27.0%

Sn4.0-5.50%

Fe1.50%

Zn1.0-4.0%

Pb1.0-2.50%

Mn1.0%

Sb0.20%

Si0.15%

S0.080%

P0.050%

Al0.0050%

Physical Properties

The following table shows the physical properties of UNS C97800 alloy.

PropertiesMetricImperial

Density8.86 g/cm30.320 lb/in³

Mechanical Properties

The mechanical properties of UNS C97800 alloy are displayed in the following table.

PropertiesMetricImperial

Hardness, Brinell (3000 kg)130130

Tensile strength380 MPa55100 psi

Yield strength (@strain 0.500 %)205 MPa29700 psi

Elongation at break (in 50 mm)15.00%15.00%

Machinability (UNS C36000 (free-cutting brass) = 100)6060

Poisson's ratio0.340.34

Elastic modulus117 GPa16969 ksi

Thermal Properties

The thermal properties of UNS C97800 alloy are given in the following table.

PropertiesMetricImperial

Thermal expansion co-efficient (@20-260°C/68-500°F)17.5 µm/m°C9.72 µin/in°F

Thermal conductivity (@20°C/68°F)25.4 W/mK176 BTU in/hr.ft².°F