The tutorial discusses the role of pressure welding in modern technology, as well as in the training and practical activities of specialists. Information on its theoretical foundations is given and a description of the main processes characteristic of the formation of a compound in the solid phase is given. Advantages of pressure welding over fusion welding methods are considered, classification of pressure welding methods is given. Description of used assembly and welding devices, defects of welded joints and peculiarities of welding quality control is given.