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1.前言钢材品种结构中的板管比在一定程度上反映了工业现代化的水平,逐步提高板管比是经济发达国家的发展趋势。目前我国钢材品种是以型材为主,板管比偏低。近年来虽略有提高,但1987年仅为37.19%,而世界上主要产钢国家的板管比为60～72.4%,差距较大。因此,我国必须进一步调整产品结构,逐步提高板管比。
1. Introduction The plate-tube ratio in the structure of steel varieties reflects the level of industrial modernization to a certain extent and gradually increases the ratio of plate to tube to the trend of development in economically developed countries. At present, China’s steel varieties are mainly profiles, plate and tube ratio is low. Although slightly increased in recent years, only 37.19% in 1987, while the world’s major steel-producing countries than the plate-tube ratio of 60 ~ 72.4%, a larger gap. Therefore, our country must further adjust the product structure, and gradually increase the ratio of plate to tube.