A container for sterilising objects, includes: a hollow body with mainly longitudinal development and closed at one end by a bottom, the hollow body being provided at the opposite end with an opening in proximity to which there is a first connection area; a substantially tubular body provided, in proximity to its ends, respectively with a second and a third connection area, each one of which is suited to be alternatively coupled with the first connection area of the hollow body. The container furthermore includes a shaped cover provided, at the level of its inner side walls, with a fourth connection area suited to be coupled with one of the connection areas of the tubular body and with the hollow body; a support is arranged inside the tubular body and in proximity to one of its ends, the support being configured so as to support one or more objects to be sterilised; a maximum pressure valve applied to the hollow body.