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A hat steel channel is useful tool in building construction technology and it mainly fabricated by roll forming. A three-dimensional finite element simulation was conducted to investigate cut end deformation of hat steel channel and its mechanism. When hat steel channel is cut off, the cutting edge will change by the release of residual stress. This change is called cut end deformation. For the steel channel, the top end will close and tail end will open. In contrast, for the hat steel channel, both the top end and the tail end will open. Therefore, this paper will discuss about residual stress occurs on the hat steel channel by simulation results

Residual Stress Around Cut End of Hat Steel Channel by Roll Forming