The March issue of Corte & Conformação de Metais magazine is already online. It brings together the research and the guide of the “Boiler shops”, on page 10 , relating companies, their specialties and their fleet of machines, as well as market data. See page 14 the article “The influence of the protective atmosphere on the distortions of welded steel plates by the MIG / MAG process”, where an analysis of different compositions of protection gases with respect to their thermal characteristics is presented, which also includes information about tests performed on test bodies and anomalies observed in them. And on page 30 the article “Application of magnetic fields to improve the quality of aluminum joints”, addressing the influences of alternating current on aluminum alloy laser welding, the aesthetic quality of weld beads made and parameters of magnetic flux density and frequency. Also in this edition has the brand new guide of "Sheet handling magnetic grippers” and the updating guide of “Roll forming machines”.