FIELD: mechanical engineering. SUBSTANCE: welds are heated in vacuum by electron beam; prior to do so, they are heated to 400-500 C by means of heat storages installed symmetrically in respect to weld axis at distance twice or three times as great as thickness of welded joint with total sectional area as large as four or five squares of weld thickness. Then zone whose width on either side of weld axis amounts to 1.7-1.9 of weld thickness is heated to high-temperature annealing point. EFFECT: facilitated procedure. 3 tbl
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