A continuous cast leaded tin bronze to BS1400 LB4 CuSn5Pb9, conforming to BS EN 1982:2008 GC CC494K CuSn5Pb9-C. A general bearing alloy with moderate strength and reasonable ductility working under low loads in non-critical applications. The lead content helps with embeddability and lubrication.

Equivalent Specifications

BS 1400 LB4
BS EN 1982:2008 GC CC494K
ASTM B 505 C93500
ASTM B 271 C93500
ASTM B 584 C93500
SAE J461
SAE J462
SAE 66
QQ-C-390
AS 1565-1985 C93500

Key Features

Will tolerate moderate loading, moderate to high sliding velocities. Can tolerate indifferent lubrication and dust or grit. Has good embed ability. Minimum shaft hardness HB 200

Typical Uses

Bearings requiring high to medium speeds but light loads. Bronze backing for Babbitt lined automotive bearings.

Automotive: Backing for Babbitt Lined Bearings

Industrial: Mild Acidic Applications, Corrosion Resistant Castings, High Speed, Light Load Bushings, Bearings, Pump Impellers

Description Leaded Bronze
Nominal Composition CuSn5Pb9
Alloy Type cast

Typical Mechanical Properties

Tensile Strength (N/mm²) 250
Proof/Yield Strength (N/mm²) 132
Elongation (%) 16
Hardness Brinell 70
Impact Izod J20°C 8

Typical Physical Properties

Density g/cm³ 9
Melting Temperature Range °C 844 - 1000
Thermal Conductivity W/mK 71
Electrical Resistivity μΩ.m15°C 0.11
Coefficient of Thermal Expansion 0-250°C 18
Relative Magnetic Permeability
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

+44 (0) 1782 816888

[email protected]

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