High-Leaded Tin Bronze UNS C93600 Continuous Cast M07

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations


High-leaded tin bronze UNS C93600 continuous cast M07 is a cast alloy of copper-tin-lead. The addition of nickel in the alloy enhances the strength and ductility. UNS C93600 copper alloy is resistant to biofouling and corrosion.

The following datasheet provides the chemical composition and properties of UNS C93600 alloy.

Chemical Composition

The chemical composition of UNS C93600 copper alloy is given in the following table.

Element Content (%)
Cu 79.0 - 83.0
Pb 11.0 - 13.0
Sn 6.0 - 8.0
Al 0.0050
Fe 0.20
Ni 1.0
P 0.15
Si 0.0050
S 0.080
Sb 0.55
Zn 1.0

Physical Properties

The following table details the physical properties of UNS C93600 alloy.

Properties Metric Imperial
Density 9.00 g/cm3 0.325 lb/in³

Mechanical Properties

The mechanical properties of UNS C93600 copper alloy are shown in the following table.

Properties Metric Imperial
Hardness, Brinell 65 65
Tensile strength ≥ 228 MPa ≥ 33000 psi
Yield strength ≥ 138 MPa ≥ 16000 psi
Elongation at break ≥ 10.0% ≥ 10.0%
Machinability 80 80

Thermal Properties

The following table outlines the thermal properties of UNS C93600 alloy.

Properties Metric Imperial
Thermal expansion co-efficient (@20.0 – 200°C/68.0 – 392°F) 18.5 µm/m°C 10.3 µin/in°F

Other Designations

Equivalent designations to UNS C93600 copper alloy include:

  • ASTM B271
  • ASTM B30
  • ASTM B505


The applications of UNS C93600 alloy include:

  • Bearings
  • Bushings

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