Petroleum and natural gas industries - Materials for use in H₂S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low-alloy steels, and the use of cast irons (ISO 15156-2:2020); German version EN ISO 15156-2:2020
Edition 2025-02

Petroleum, petrochemical and natural gas industries - Metallic materials resistant to sulfide stress cracking in corrosive petroleum refining environments (ISO 17945:2015); German version EN ISO 17945:2015
Edition 2015-08

Petroleum and natural gas industries - Materials for use in H₂S-containing environments in oil and gas production - Part 1: General principles for selection of cracking-resistant materials (ISO 15156-1:2020); German version EN ISO 15156-1:2020
Edition 2025-02

Petroleum and natural gas industries - Materials for use in H₂S-containing environments in oil and gas production - Part 3: Cracking-resistant CRAs (corrosion-resistant alloys) and other alloys (ISO 15156-3:2020); German version EN ISO 15156-3:2020
Edition 2025-02

Petroleum and natural gas industries - Steel pipes for use as casing or tubing for wells (ISO 11960:2020); English version EN ISO 11960:2021, only on CD-ROM
Edition 2021-08

Corrosion of metals and alloys - Stress corrosion cracking - Part 11: Guidelines for testing the resistance of metals and alloys to hydrogen embrittlement and hydrogen-assisted cracking (ISO 7539-11:2013); German version EN ISO 7539-11:2014
Edition 2015-03

Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves (ISO 14313:2007 modified + Cor 1:2009); English version EN 13942:2009 + AC:2009
Edition 2009-06

Petroleum and natural gas industries - Design and installation of piping systems on offshore production platforms (ISO 13703:2000 + Cor. 1:2002); German and English version EN ISO 13703:2000 + AC:2002
Edition 2003-06

Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 1: Induction bends (ISO 15590-1:2018, modified); German version EN 14870-1:2023
Edition 2023-10

Petroleum and natural gas industries - Steel drill pipe (ISO 11961:2018 + Amd 1:2020); English version EN ISO 11961:2018 + A1:2020, only on CD-ROM
Edition 2020-12