Abstract
1. Reinforcing mild steel with fibers of temper-hardened steel improves the quality of wire rod. Hot-rolled wire rod was successfully subjected to cold drawing to a 3.0-mm diameter without heat treatment. 2. The mechanical properties of reinforced wire can be improved by heat treatment. For the composite steel 0.8kp-steel 40, good strength and ductility were obtained after hardening at 860 °C and low tempering. 3. Reinforced wire rod has higher strength than predicted by the rule of additivity. A large contribution to the higher strength of reinforced specimens is made by the structure of the composite, which becomes more complex during solidification, subsequent plastic strain, and heat treatment.
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