Natural gas - Correlation between water content and water dew point (ISO 18453:2004); German version EN ISO 18453:2005
Edition 2006-01

Petroleum, petrochemical and natural gas industries - Materials selection and corrosion control for oil and gas production systems (ISO 21457:2010); German version EN ISO 21457:2010
Edition 2010-12

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