Mathematical expression for hot-rolling loads as a function of steel composition and temperature
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Although plain carbon steels are produced commercially, few studies seem to attempt to develop a mathematical model for applications in computer-controlled mills. An expression is proposed to calculate hot-rolling loads while rolling in austenitic regions (800–1100 °C) giving a 30% reduction in each pass. L/W=(6−37 × 10−4T) + [(7.9−73 × 10−4T) × C] + [(5.2−51 × 10−4 T) × Si] where L/W-rolling load per unit width (kN/mm) T-mean hot rolling temperature (°C) C and Si-carbon and silicon in steel (wt%) Among common alloying elements, carbon content had a more significant effect on rolling loads than silicon content, and the amount of manganese had practically no effect hence, it is not incorporated in the proposed equation.
KeywordsPolymer Silicon Mathematical Model Manganese Carbon Content
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