Abstract
The effect of manganese on the development of 111 recrystallization textures of P-containing low-carbon Al-killed steel sheet has been investigated. A proper combination of phosphorus and manganese content in steel gave a strong 111 texture through a simulated box annealing cycle. The experimental data suggest that 111 recrystallization textures could be developed providing that the steels contained both high manganese and phosphorus. Phosphorus in steel was useful in enhancing the uniform dispersion of precipitates such as (FeMn)3C and A1N. This might be attributed to softening the possible interaction between manganese and carbon or nitrogen atoms by the addition of phosphorus which is regarded as a repulsive element for carbon or nitrogen. The 0.2 pct P-1.2 pct Mn Al-killed steel sheet tested had a highr- value of 2.0 through the precipitates effect and a high strength of 430 MPa through the effect of a solid solution hardening due to phosphorus.
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