FIELD: welding of framework structures. SUBSTANCE: method comprises steps of heating up welded part by means of additional heat source until temperature of plastic deformation of metal. Part surface is heated up at side opposite relative to welded butt. Heat source for heating up is arranged in plane passing through butt and normal relative to heated surface. EFFECT: enhanced quality of welded article due to lowered residual stresses and deformations. 2 dwg, 1 ex
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