1前言汽车重要保险零件用高级特殊钢必须具有特殊的性能。近年来,由于日本国内汽车生产和零件组装业的迅猛发展,使高级特殊钢的需求极为旺盛。因此,日本神户制钢在原有3号连铸机的基础上又新建了5号连铸机,以提高高级特殊钢的产量。本文介绍了神户制钢3号大方坯连铸机质量改进 1 Preface Advanced auto steels for critical automotive components must have special properties. In recent years, due to the rapid development of domestic automobile production and parts assembly industry in Japan, the demand for advanced special steel is extremely strong. Therefore, Japan’s Kobe Steel in the original No. 3 caster on the basis of the new No. 5 continuous casting machine, in order to improve the production of special high-grade steel. This article describes the quality improvement of Kobe Steel’s No. 3 bloom caster