FIELD: plastic metal working, test of strength of bar articles with rolled thread produced by cold plastic deformation. SUBSTANCE: threaded part of article is tested in correspondence with proposed testing process. Strength is determined by density by way of comparison of mechanical properties of articles manufactured from deformed and annealed metal. Process is versatile, high-technological and can be used to test wide assortment of bar articles with rolled thread. EFFECT: expanded application field of process. 1 dwg
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