References
- Ananenkov AG. The resource base − the basis for long-term development of the Russian gas industry. Gazovaya promyshlennost. 2006(1):56–59.
- Efimenko LA, Elagina OY, Vyshemirskii EM, et al. Conventional and future steels for construction of main gas and oil pipelines. Moscow: Logos; 2011. p. 316.
- Ushakov AB, Morozov OP, Begunov IA, et al. Technology for laser welding of main pipelines. Gazovaya promyshlennost. 2017(2):100–107.
- Ignatov AG. Laser welding of steels with powerful CO<sub>2 lasers. Part 1. Fotonika. 2008(6):28–33.
- Ignatov AG Russian laser technologies: current state and prospects for use. RITM Mashinostroeniya; 2016 February. p. 10–24.
- Efimenko LA, Ramus´ AA, Merkulova AO. Features of austenite breakdown in the heat-affected zone in the welding of high-strength steels. Fizika Metallov I Metallovedenie. 2015(5):520.
- Utkin IY, Frantov II, Domov DV. Effects of chromium and nickel on the properties of the heat-affected zone in the welding of niobium-containing steels of strength category Kh70. Metallurg. 2015(7):32–37.
- Permyakov IL, Frantov II, Bortsov AN, et al. Improvement of weldability and criteria for assessing the reliability of the zone adjacent to the weld in high-strength pipe steels. Metallurg. 2011(12):74–81.
- DET NORSKE VERITAS standard (DNV-OS-F101). Standard for offshore operations. 2007 October. p. 239.