For verified copies, you can use the RussianGost Official Regulatory Library . Standard Details Table 119-Gost 10705-80 | PDF - Scribd
is a critical technical standard for longitudinally electrically welded steel pipes used in pipelines, structural frameworks, and general-purpose engineering. It does not apply to pipes used in thermal electric heaters. Technical Summary
Standardized mechanical properties (Grades St1, St2, St3, St4).