PDF Standards NACE MR0175/ISO 15156-2:2009/Cir. 2:2014
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 2: Cracking-resistant CRAs (corrosion-resistant alloys) and other alloys Circular 2
standard by National Association of Corrosion Engineers, 01/17/2014