TU 3663-007-00260132-2015
Reinforced pipes (UP) angular (UP-U) and butt (UP-C) with nominal diameters of branches from DN 10 to DN 500 inclusive, made of carbon and low-alloy steels for the construction of trunk and field pipelines, designed for the transportation of gaseous (natural gas) or liquid (oil and petroleum products) hydrocarbons with working pressure up to 32.0 MPa inclusive at the temperature of the pipeline wall from minus 60 °C to 120 °C.