一、国外小钢厂发展概念在研讨上海钢铁工业发展的前景时,发展以废钢或部分海绵铁和废钢为原料基础的国外小钢厂技术具有现实意义。国外从六十年代发展起来的小钢厂,由于建设费用低、速度快、经营费用低、经济效益高,从而具有强大的生命力和竞争能力。这种厂在技术上,装备上都有重要发展,具有一定的先进性,在经营销售方面又有相当的灵活性和竞争性,以致博得市场欢迎。此种小钢厂的概念是:在一定的经济区 First, the concept of the development of small steel mills in foreign countries in the study of the prospects for the development of the steel industry in Shanghai, the development of scrap or some sponge iron and scrap steel as the base of foreign steel mills technology is of practical significance. Small steel mills developed abroad from the 1960s have strong vitality and competitiveness because of low construction costs, high speed, low operating costs and high economic returns. This kind of factory has important development both in technology and equipment. It has a certain advanced nature and has considerable flexibility and competitiveness in sales and marketing so as to win the market welcome. The concept of such a small steel mill is: in a certain economic zone