Abstract
Steel strip was produced from iron oxide superconcentrate and the effects of cold rolling (15–50%) and annealing (500°–700°C for 5–90 min in H2) were investigated by measuring changes in UTS, elongation, and microhardness, also structure. The behaviour of the strip was compared with that of a conventional mild steel strip treated similarly. Processing conditions for obtaining optimum mechanical properties are given. The recrystallization behaviour of the strip was investigated and found to begin earlier than in the mild steel strip. This is attributed to the presence of large amounts of inclusions of micrometre size and below in the superconcentrate strip.
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