Equivalent Specifications

ASTM B505 C90800
DIN 1705 GC CuZn12 2.1052.04
GC SnBz12
BS EN 1982-2008 GC-CC483K
IS 28 Gr5
AS1565 C90810
UNI 7013-72-2A

Key Features

Hard, strong, tough, resistant to wear, fine-grained. Good machinability and corrosion-resistant to sea water. Good resistance to pounding.

Typical Uses

Worm wheels, gears, bushings for heavy loads and low speeds.

Description Tin Bronze
Nominal Composition CuSn12
Alloy Type cast

Typical Mechanical Properties

Tensile Strength (N/mm²) 280
Proof/Yield Strength (N/mm²) 140
Elongation (%) 9
Hardness Brinell 90
Impact Izod J20°C

Typical Physical Properties

Density g/cm³ 8.6
Melting Temperature Range °C 831 - 999
Thermal Conductivity W/mK 70.5
Electrical Resistivity μΩ.m15°C 0.178
Coefficient of Thermal Expansion 0-250°C 18.4
Relative Magnetic Permeability 1
Coefficient of Friction

Copper Alloys has the ability to modify existing alloys for improved performance. Many customers have benefited from this in the past.

To discuss your requirements, call a member of Copper Alloys’s technical team on +44 (0) 1782-816888, or email [email protected].

Contact

UK +44 (0) 1782 816888 | US +1 17577921977

[email protected]

Auckland Street, Stoke-on-Trent, ST6 2AZ, United Kingdom

Copper Alloys
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