On complication of welding technologies and necessity of their qualitative management

The paper highlights some possibilities of joint technologies, in particular the welding one. Conditions of assurance of weld seams' quality, necessity of evaluation of the welded constructions' real state and prolongation of their resources have been considered. The special attention has been paid to safety of welded constructions. The authors have proposed to use some special kinds of steel as a real way of prolongation of product life duration and reduction of its maintenance costs.