第二次世界大战后三十多年来,由于世界科学技术和各生产领域工艺技术的变革和发展,对钢铁产品的数量、品种和质量都提出了一系列更新更高的要求,各国对钢铁技术的发展,倍加重视,从而促进了钢铁工业生产技术的不断发展和提高。现将国外炼钢技术的发展概况,介绍如下: Over the past thirty years after the Second World War, due to the changes and developments in world science and technology and process technology in various fields of production, a series of newer and higher requirements have been put forward on the quantity, variety and quality of steel products. The development of technology, pay more attention to promote the continuous development and improvement of the steel industry production technology. Now the development of foreign steelmaking technology profile, described as follows: