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高锰钢铸件裂纹废品占其总废品量的50%以上,比碳钢高2~3倍,这是该钢种的理化性质、铸造特性所决定的。就改变工艺条件后所达到效果的初步分析表明,其产生裂纹的原因仍然符合一般规律。下面从生产实际出发提出影响高锰钢裂纹的各种因素和防止的方法。
High manganese steel casting cracks accounted for more than 50% of the total amount of scrap, carbon steel 2 to 3 times higher, which is the physical and chemical properties of the steel, the casting characteristics of the decision. A preliminary analysis of the effect achieved after changing the process conditions shows that the cause of the crack is still in line with the general rule. The following from the actual production of high manganese steel cracks proposed various factors and methods to prevent.