Stability of the mechanical properties of welds along pipes butt-joined by resistance welding with the use of high-frequency current
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This article examines the results of studies performed to evaluate the mechanical properties of welds on pipes that are resistance-welded using high-frequency current. Results are presented from tests of pipes made at different plants in Japan and Russia. A description is given of a method for the expansion testing of annular specimens with a pre-induced notch on the weld axis.
KeywordsJapan Russia Mechanical Property Welding Expansion Testing
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