FIELD: metal pressure processing. SUBSTANCE: welding stripes are contacting each other by cleaned surfaces and are wound up on mandrel. Stripes outer layers welding is preserved by use of manufacturing spacers winding. Produced batch is wound with several layers of stripe, made of material, coefficient of thermal expansion of which is less than coefficient of thermal expansion of mandrel material. Produced batch is heated up to temperature of welding in any heating furnace and then isothermal holding is exercised. After welding batch is disassembled. EFFECT: increased range of welding pressure control.
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