About Smiths

We are a world-class supplier of engineering raw materials. Our objective is to provide all our customers, from the small machine shop to the large multi-national corporation, a supply path that continuously delivers the highest levels of service, quality and value.

LB4 (1400)

Leaded Bronze Alloy

LB4 Leaded Bronze

LB4 is an ideal product for producing bearings for non-critical applications

Non-critical Applications

Like LB2, LB4 is an ideal product for the production of bearings, particularly in environments where a general lack of lubrication and where alignment issues are present. This leaded bronze product contains approximately 5% tin and 9% lead. The alloy benefits from excellent machinability with medium strength and good corrosion resistance. LB4 is classed as a general bearing alloy with reasonable ductility which is suitable for use in non-critical applications under low loads.

Typical Applications

Commercial applications for this engineering material include:

  • Shafts
  • Bushes
  • Light load bearings
  • Pump impellors
  • Non-critical, low load applications

We stock LB4 in flats, round bar, round tube and hollow bar.

Technical Assistance

Our knowledgeable staff and resident metallurgists will be pleased to assist you further on any technical topic. Smiths Metal Centres Limited also boasts an in-house UKAS Accredited Testing Laboratory which is unique within the multi-metal and plastic stockholding sector. We believe this underlines our total commitment to quality and our ethos of being the complete service provider.

Additional Info

A technical datasheet for LB4 is available in PDF file format. To view and download, please click here.

We offer in-house processing options - for more information, please refer to our processing services.

Read our corporate brochure by clicking here.

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