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08115 Development of a C125 High Strength Low Alloy Steel for OCTG: SSC Mapping in Slightly Sour Environment

Today a need for a C125 Sulfide Stress Cracking (SSC) resistant material exists with the development of High Pressure/High Temperature (HP/HT) oil and gas fields.  This paper focuses on the SS resistance of industrial heats.

Product Number: 51300-08115-SG
ISBN: 08115 2008 CP
Author: Hervé Marchebois / Michel Piette / Laurent Ladeuille / David Senegas-Rouviere /Christoph Bosch / Josef Pleschiutschnig / Jean Leyer / Bertine Orlans-Joliet / Etienne Lepine / Frédéric Legay / Cédric Linne / Alfredo Figueiredo
Publication Date: 2008
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The last decades have seen the successive development of high strength sour service grades with increasingly higher values of Specified Minimum Yield Strength (SMYS). Today a need for a C125 Sulfide Stress Cracking (SSC) resistant material exists with the development of High Pressure/High Temperature (HP/HT) oil and gas fields. While a first paper published in 2005 dealt with a review of the performances of both C110 and C125 Sour Service (SS) grades based on the same steel composition, this paper focuses on the SS resistance of industrial heats.

Keywords: Oil Country Tubular Goods (OCTG), High Strength Low Alloy (HSLA) steel, C125, Sour Service, Sulfide Stress Cracking (SSC), Fitness-For-Purpose environments

 

The last decades have seen the successive development of high strength sour service grades with increasingly higher values of Specified Minimum Yield Strength (SMYS). Today a need for a C125 Sulfide Stress Cracking (SSC) resistant material exists with the development of High Pressure/High Temperature (HP/HT) oil and gas fields. While a first paper published in 2005 dealt with a review of the performances of both C110 and C125 Sour Service (SS) grades based on the same steel composition, this paper focuses on the SS resistance of industrial heats.

Keywords: Oil Country Tubular Goods (OCTG), High Strength Low Alloy (HSLA) steel, C125, Sour Service, Sulfide Stress Cracking (SSC), Fitness-For-Purpose environments

 

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