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Sulfide Stress Cracking

Are cracks born from pits?

January 31, 2016 by Mariano Iannuzzi

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.

Filed Under: Low alloy steels, Stress corrosion cracking, Sulfide Stress Cracking Tagged With: corrosion resistant alloys, CRA, hydrogen, hydrogen embrittlement, Hydrogen Stress Cracking, las, low alloy steels, Oil&Gas, SCC, ssc, sulfide stress cracking

Corrigendum – Sulfide stress cracking of nickel-containing low-alloy steels

March 8, 2015 by Mariano Iannuzzi

Corrigendum of our paper entitled: “Sulfide stress cracking of nickel-containing low-alloy steels”.

Filed Under: Announcements, Journal Articles, Sulfide Stress Cracking Tagged With: EAC, hydrogen embrittlement, Hydrogen Stress Cracking, low alloy steels, materials selection, nickel alloy steels, Oil&Gas, publications, ssc

ISO 15156-3 will set new restrictions on UNS S174000 (17-4PH)

October 22, 2014 by Mariano Iannuzzi

This article describes the results of a recent NACE MR0175/ ISO 15156 ballot that imposes stringent maximum allowable stress values.

Filed Under: Announcements, ISO, Stainless steels, Sulfide Stress Cracking Tagged With: CRA, HSC, hydrogen embrittlement, Hydrogen Stress Cracking, iso 15156, NACE, Oil&Gas, SCC, sour service, ssc, stainless steels, Stress Corrosion Cracking, sulfide stress cracking

Sulfide stress cracking of nickel-containing low-alloy steels

September 29, 2014 by Mariano Iannuzzi

Low alloy steels with a nickel content greater than 1% are not allowed in sour service applications. This paper reviews the effect of nickel on the hydrogen embrittlement performance of low alloy steels.

Filed Under: Journal Articles, Sulfide Stress Cracking Tagged With: corrosion-reviews, hydrogen, hydrogen embrittlement, Hydrogen Stress Cracking, journal-articles, nickel alloy steels, Oil&Gas, ssc

Effect of nickel on the phase transformation kinetics of low alloy steels

August 24, 2014 by Mariano Iannuzzi

This posts summarizes the main effects of nickel on the phase transformation of kinetics of low alloy steels.

Filed Under: Low alloy steels, Physical Metallurgy, Sulfide Stress Cracking Tagged With: low alloy steels, materials selection, metallurgy, nickel alloy steels, Oil&Gas, phase transformation, ssc, ttt

Hydrogen Embrittlement of Nickel Alloy Steels

June 11, 2014 by Mariano Iannuzzi

This post illustrates a possible sulfide stress cracking mechanisms at the open circuit potential for low alloy steels.

Filed Under: Announcements, Low alloy steels, Sulfide Stress Cracking Tagged With: carbon steel, hydrogen embrittlement, Hydrogen Stress Cracking, Oil&Gas, ssc

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