A Cost Effective Process Technology For Production Of High Strength Steel Plates In Plate Mills With Limited Mill Load Capacity

Abstract: The present invention relates to The cost-effective process technology for production of high strength steel plates in plate mills with limited mill load capacity comprising the steps of melting and casting of the different compositions of raw materials; maintaining controlled casting parameters; and hot rolling of the cast alloy into plates adopting TMCP technology and The cost effective High Strength Low Alloy (SAIL HITEN 690 AR grade steel plates) steel consist essentially of, in weight percent, weight percent of about 0.16% to 0.20% Carbon, 1.50% to 1.60% Manganese, 0.40% to 0.60% silicon, 0.01% (max) Sulphur, 0.025% (max) Phosphorus, 0.15% Vanadium, and 0.01% (max) Titanium and balance essentially iron.

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