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Аннотация Structure formation regularities and physico-mechanical properties after shock welding and subsequent heating of bimetallic composites from steel St.3 and steel 85 with the thickness of coated and base layer 2,5 and 12 mm, respectively are studied. It is stated that as a result of bending and stretching of shock welded composites from steel St.3 and steel 85 the abnormal phenomenon of local softening of the weld zone in the area of residual deformations 2--6% is observed