NACE MR0175/ISO 15156-3:2009/Cir. 4:2014

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 and Part 3: Cracking-resistant CRAs (corrosion-resistant alloys) and other alloys Circular 4
standard by National Association of Corrosion Engineers, 04/02/2014