Equivalent Specifications

BS 1400 LG1
BS EN 1982:2008 GC CC490K
CuSn3Zn8Pb5-C
AS 1565-1985 C83810
AS 1566-1974 838C

Key Features

A general bearing alloy working under low loads and for non critical uses.

Needs adequate lubrication but good embed ability.

Typical Uses

Used for non critical applications such as valve bodies and fittings. For impellers and centrifugal pump bodies
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BS1400 LG1

A continuous cast leaded gunmetal to BS1400 LG1 CuSn3Zn8Pb5, meeting the requirement of the BS EN 1982-2008 CC490K C84400. A general bearing alloy, with moderate strength working under low loads and non critical applications. The addition of zinc aids pressure tightness and castability. Has less wear resistance than the non leaded gunmetals and needs adequate lubrication but has good embeddability.

Description Leaded Gunmetal
Nominal Composition CuSn3Pb5Zn8
Alloy Type Cast

Typical Mechanical Properties

Tensile Strength (N/mm²) 200
Proof/Yield Strength (N/mm²) 100
Elongation (%) 8
Hardness Brinell 70
Impact Izod J20°C

Typical Physical Properties

Density g/cm³ 8.8
Melting Temperature Range °C 850-1000
Thermal Conductivity W/mK 61
Electrical Resistivity μΩ.m15°C 0.11
Coefficient of Thermal Expansion 0-250°C 18
Relative Magnetic Permeability
Coefficient of Friction

Copper Alloys Ltd 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 Ltd's technical team on +44 (0) 1782-816888, or email sales@copperalloys.net.

This Data is indicative only and must not be seen as a substitute for the full specification from which it is drawn. In particular, the mechanical property requirements vary widely with tempeter, product and product dimensions. The information is based on our present knowledge and is given in good faith. However, no liability will be acepted by the Company in respect of any action taken by any third party in reliance thereon.

As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose.

Any advice given by the Company to any third party is given for that party's assistance only and without liability on the part of the Company. Any contract between the Company and a customer will be subject to the Company's Conditions of Sale. The extent of the Company's liabilities to any customer is clearly set out in those Conditions, a copy of which is available on request.