This article describes current industry practices to catalog features observed after sulfide stress cracking testing. The article also introduces a quantitative criterion to determine the maximum allowable defect size based on fracture mechanics principles.
The history of NACE MR-0175, ISO 15156, and the 1% nickel limit – Timeline
This blog entry presents the development of the NACE MR-0175 in a historical perspective alongside research advancements in physical metallurgy and sulfide stress cracking.
Is sulfide stress cracking an anodic or a cathodic process?
Is sulfide stress cracking an anodic or a cathodic process? Does hydrogen play a role or is SSC controlled by anodic dissolution? Find out in this post!
Are cracks born from pits?
This article describes the different forms of environmentally assisted cracking that can affect low alloy steels and corrosion resistant alloys in the oil & gas industry.
Corrigendum – Sulfide stress cracking of nickel-containing low-alloy steels
Corrigendum of our paper entitled: “Sulfide stress cracking of nickel-containing low-alloy steels”.
ISO 15156-3 will set new restrictions on UNS S174000 (17-4PH)
This article describes the results of a recent NACE MR0175/ ISO 15156 ballot that imposes stringent maximum allowable stress values.