Analysis of the Causes of Tensile Cracks in 60Si2Mn Spring Steel Wire Rods
In response to the surface cracks of 60Si2Mn spring steel wire rods after drawing and quenching,it was confirmed through sampling and analysis of the defective steel wires that they were caused by defects in the continuous casting billet.Further inspection of the billet revealed that there were corner cracks corresponding to them.An analysis was conducted on the causes of corner cracks in castings,and effective control measures were proposed,ultimately eliminating the defect of corner cracks in castings.
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