As the thickness of the material to be rolled is decreased, the temperature of the piece must be considerably lowered to minimize surface contamination. A careful choice of pass sequences to obtain a certain reduction must be made when rolling titanium. Pass sequence refers to the number of reductions taken and percentage reduction of the piece per pass.
Continuous sheet and strip are best cold- or hot rolled with the application of back and forward tensions to reduce the friction in the roll gap. In cold rolling thin sheet, extremely tight roll settings are required to produce uniform cross section.
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