Research of concentration of tensions at welding of pipelines

Vladimirskiy state university, 600000, Vladimir, street Gorkogo, 87 The coefficients of concentration of tensions and deformations are certain in the weld-fabricated connections of real steam line and gas pipelines. Dependence of concentration of tensions and deformation from the geometrical form of joint of pipe is considered, and also from the type of mechanical heterogeneity of properties of metal of heat-affected zone.