This paper discussed the reasons for cracks sides and angles on the steel billets 150mmX 150mm fron the 2# radius continuous casting machine at the Arc FURNACE Plant in GIS,brought out some measures for the purpose ofreducing or eradicating the cracks.

• 本文论述广钢电炉厂2%23弧形连铸机浇注的150mm×150mm方坯出现边角裂纹的成因,以及为减少和制止边角裂纹产生所采取的工艺措施。