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Impact Toughness of the Gas Main Steel after Long-Term Operation under Extreme North Conditions

А. М. БольшаковInstitute of Physicotechnical Problems of the North, Siberian Branch, Russian Academy of Sciences, Yakutsk, RussiaA. V. BurnashevInstitute of Physico-Technical Problems of the North named VP Larionov

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The change in the impact toughness of the gas main steel after operation for 50 years is studied. The mechanical properties of the pipe steel before and after operation are compared.

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