Container for pressurized fluids

A container for pressurized fluids, having a tubular body formed in sheet metal and comprising:

• a cylindrical side wall, having a lower edge and an upper edge which presents a reduced diameter:
• a bottom wall in the form of a spherical dome projecting to the interior of the container and attached to the lower edge of the side wall by a lower double seam;
• and
• an upper wall in the form of an annular spherical dome, inferiorly attached to the upper edge of the side wall by an upper double seam and defining a central opening, the container being characterized in that the bottom wall is configured, in a single piece to include at least one seating region having a predetermined circumferential extension disposed according to a plane extending transversely with respect to an axis of the container and being axially spaced inwardly within the side wall of the container in relation to the lower double seam, said seating region being configured to be fitted and axially seated respectively around and on a respective circumferential extension of the upper double seam of the identical and adjacent container inferiorly disposed in a vertical stack, so as to define a single contact region between two vertically stacked containers.