Malleable iron is a type of cast iron that has most of its carbon in the form of irregularly shaped graphite nodules. This article tabulates the typical composition of malleable iron and specifications, and applications of malleable iron castings. It discusses the metallurgical control of malleable irons with emphasis on its composition and heat treatment. The article provides information on the specifications and mechanical properties of different types of malleable irons, such as ferritic, pearlitic, and martensitic malleable irons.
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