圆钢断面剪切裂纹的分析及预防措施
Analysis and Prevention of Shear Crack in Round Steel Section
刘 健
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作者单位：承德建龙特殊钢有限公司 技术处，河北 兴隆 067201
中文关键字：剪切；端面裂纹；改进措施
英文关键字： shear; section crack; improved measures
中文摘要：某轧钢厂生产的优质炭素结构钢、合金结构钢等（?准50 mm以下规格）产生剪切端面裂纹，造成大量待整改材，降低成材率，给企业造成不必要的损失。研究产生剪切断面裂纹的原因，提出改进措施，在实施中取得了显著的效果。
英文摘要：The high quality carbon structural steel, structural alloy steel (≤?准50 mm) produced by rolling mill had some section cracks, which brought needless loss to the mill. The reason of section shear cracks was analyzed, then some improved measures were put forward, the notable effect was gained in practice.