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Fastener manufacturer Birmingham Fastener acquired K-T Bolt Manufacturing of Katy, Texas. K-T Bolt Manufacturing provides in-house heat treating, custom fabrication, closed-die forging and electropolishing. The acquisition will allow Birmingham Fastener to expand its product and service offerings and strengthen its manufacturing diversity. Birmingham Fastener of Birmingham, Ala., manufactures and distributes custom and non-standard fasteners for a range of applications and industries.
The carbonitriding of fasteners is of critical importance to their functionality and one of the most common case-hardening heat treatments. Studying how the process works in this application will shed a great deal of light on all carbonitriding processes. Let’s learn more.
Gas carbonitriding is a modified form of the carburizing process and is not a form of nitriding. In this process, both carbon (C) and nitrogen (N) are introduced into the surface of the steel by introducing ammonia (NH3) and a hydrocarbon enriching gas into the furnace atmosphere in order to add nitrogen to the carburized case as it is being produced.
