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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.
SigmaBronze™ 7 is a leaded continuously cast copper based alloy that is suitable for a variety of applications that are under medium loads whilst using adequate lubrication. This alloy offers good sliding and dry running properties and is not subject to dezincification and has sufficient resistance to brine, making it suitable for pump and valve components. SigmaBronze™ 7 can be used as an alternative to SAE660 in many applications but has the advantage of being available in metric sizes.
SigmaBronze™ 7 offers excellent machining properties and good wear resistance. It is a versatile bronze which can be used in a wide variety of applications including bushes and bearings under medium load. The alloy is suitable for pump and valve applications.
Commercial applications for this engineering material include:
We stock SigmaBronze 7 ™ in flats, round bar, hollow bar and hexagon bar.
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.
A technical datasheet for SigmaBronze 7 ™ 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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Bronze Alloys → Leaded Bronze → SigmaBronze 7 ™