ISO 15156-2:2015 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 20765-2:2015 Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application
ISO 29464:2011 Cleaning equipment for air and other gases - Terminology