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履带钢钢锭出现裂缝多为夹杂物、偏析、疏松等缺陷造成,使其轧合后的结合强度下降,脆性增加,因此剪切时受力不均而产生开裂。
Most of the cracks in the steel ingot of crawler steel are caused by the defects such as inclusions, segregation and looseness, which lead to the decrease of the bonding strength after rolling and the increase of brittleness, so cracking occurs when the force is sheared unevenly.