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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.
Type 347 stainless is an austenitic steel alloy with added Niobium/Columbium which acts as a stabiliser. The alloy is, therefore, suitable for service in aqueous and low-temperature environments as the alloy has good resistance to intergranular attack.
The alloy also offers good resistance to polythionic acid stress corrosion cracking and is a useful material for use around reactor plants. Type 347 is non-magnetic in the annealed condition and can only be hardened by cold working. The alloy finds use in the oil, gas and chemical sector as well as the nuclear industry.
Type 347 stainless steel is classed as a multi-purpose austenitic stainless steel - the alloy offers excellent heat and corrosion resistance. The material has better mechanical properties than 304, which makes the alloy more suitable for high-temperature service.
Commercial applications for this engineering material include:
We stock Type 347 in flats, round bar, plate, sheet, wire and round tube.
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 Type 347 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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Stainless Steels → Stainless Steel → Type 347