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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.
C350 - a maraging alloy steel containing 12.0% cobalt and 4.8% molybdenum.
This steel is produced by vacuum arc re-melting and provides a very high strength nominally 350 ksi tensile (2415 MPa) with an above average level of toughness. The alloy retains its strength up to 450°C and good notch impact is maintained down to minus 50°C and below. This material may be nitrided. C350 is usually supplied in the annealed condition where the microstructure consists of fine martensite before final heat treatment.
Maraging steels are usually machined in the annealed condition, however, they can be machined in the maraged condition. Components can be machined close to finished dimensions as the low temperature maraging treatment results in minimal distortion. In addition, the small contraction of approximately 0.05% due to maraging results in good dimensional stability. C350 steel has good weldability.
Commercial applications for this engineering material include:
We stock C350 in round bar and sheet.
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 C350 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 → Maraging Steel → C350