The October/November issue of “Corte & Conformação de Metais” digital is online. This edition highlights, on page 12, the article “Straightener – when is it necessary?”, showing that, among other situations, when the sheet is deformed with low tension, within the elastic behavior, it returns to the original state when the tension ceases. On the other hand, if the stress reaches and exceeds the yield stress, the sheet will have permanent deformations and will be deformed when the stress stops. Furthermore, on the “News” section, articles about sheet and tube metal technology and the cutting, forming and welding market. This issue also brings the update “Calenders for sheet metal” and “Tube edgers” buyers’ guides.