江苏省小型型钢产量从1990年的81万t增长到1993年的225万t,增幅达178％;小型材产量占整个钢材产量的比例由1990年的40％上升到1993年的48％;小型型钢轧制生产线由1990年的120条增加到1993年的250条;引进的3条全连轧、国产的4条半连轧生产线均已投产,设计能力共为110万t;尚 Small-sized steel production in Jiangsu Province increased from 810,000 t in 1990 to 2.25 million t in 1993, an increase of 178%; the proportion of small-section steel production to the total steel output increased from 40% in 1990 to 48% in 1993; The number of section rolling production lines increased from 120 in 1990 to 250 in 1993; the introduction of 3 full tandem rolling and domestic 4 semi-continuous rolling production lines have all been put into operation, with a total design capacity of 1.1 million t;