DIN EN ISO 15156-2:2020-09
Проект
Petroleum and natural gas industries - Materials for use in H<(Index)2>S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low-alloy steels, and the use of cast irons (ISO/FDIS 15156-2:2020); German and English version prEN ISO 15156-2:2020
