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

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BS1400 LB4

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.

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

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 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.