1060 ITU‐T's Technical Reports and Specifications Work area FG‐SSC delivera‐ble(s) relat‐ed to this work area SDO working on this area Document number released by this SDO Corresponding document title Standardiza‐tion gap in this area Future needs and sugges‐tions to SG5 ISO 15589‐1:2015 Petroleum, petrochemical and natural gas industries – Cathodic protection of pipe‐line systems – Part 1: On‐land pipelines ISO 15589‐2:2012 Petroleum, petrochemical and natural gas industries – Cathodic protection of pipe‐line transportation systems – Part 2: Offshore pipelines ISO 15590‐1:2009 Petroleum and natural gas industries – Induction bends, fittings and flanges for pipe‐line transportation systems – Part 1: Induction bends ISO 15590‐2:2003 Petroleum and natural gas industries – Induction bends, fittings and flanges for pipe‐line transportation systems – Part 2: Fittings ISO/NP 15590‐2 Petroleum and natural gas industries – Induction bends, fittings and flanges for pipe‐line transportation systems – Part 2: Fittings ISO 15590‐3:2004 Petroleum and natural gas industries – Induction bends, fittings and flanges for pipe‐line transportation systems – Part 3: Flanges ISO/NP 15590‐3 Petroleum and natural gas industries – Induction bends, fittings and flanges for pipe‐line transportation systems – Part 3: Flanges ISO/DIS 16440 Petroleum and natural gas industries – Pipeline transpor‐tation systems – Design, con‐struction and maintenance of steel cased pipelines ISO/NP 16441 Petroleum and Natural Gas Industries ‐ Pipeline transpor‐tation systems ‐ Actuation mechanical integrity and siz‐ing for subsea pipeline valves