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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.
BO1 BS4659 is a high quality non-distorting cold work tool steel.
Including a combination of manganese, chromium and tungsten, BO1 tool steel offers characteristics including good surface hardness after tempering, dimensional stability in hardening, and machinability. The alloy is a popular choice for use in general engineering applications and offers a cost-effective option when compared to high carbon high chromium tool steel.
BO1 provides good durability, excellent wear resistance and will hold a cutting edge. The alloy is referred to as an oil hardening type tool steel.
Commercial applications for this engineering material include:
We stock BO1 (BS4659) in flats, round bar and plate.
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 BO1 (BS4659) 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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Steel Alloys → Tool Steel → BO1 (BS4659)