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51315-5758-Super Martensitic Stainless Steel and Sour Service—Testing and Evaluations

Picture for Super Martensitic Stainless Steel and Sour Service—Testing and Evaluations
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Product Number: 51315-5758-SG
ISBN: 5758 2015 CP
Author: Jan Skar
Publication Date: 2015
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The use weldable Super Martensitic Stainless Steel (SMSS S13Cr) started at the end of 1990’s. The material is attractive for corrosive hydrocarbon service due to the resistance to CO2 corrosion and low cost compared to duplex stainless steel. SMSS is sensitive to Sulphide Stress Cracking (SSC) and Stress Corrosion Cracking (SCC) and must be tested for both mechanisms. Due to the lack of commonly accepted limits in international standard (NACE MR0175 / ISO 15156-3) internal qualification testing has been performed. During the qualification there has been many lessons learnt and the test procedure has developed over the time as new knowledge has been realized. An important effect is the materials response to pipeline laying procedure and how this has to be accounted for during testing and interpretation of the test results. Other types of corrosion forms such as Inter Granular Stress Corrosion Cracking (IG SCC) and Hydrogen Induced Stress Cracking (HISC) has occurred and countermeasures implemented. The paper gives a historical overview of the challenges that have been encountered and how these challenges have been solved. Keywords: Super Martensitic Stainless Steel; Testing Development Corrosion Failures; Sour Service.
The use weldable Super Martensitic Stainless Steel (SMSS S13Cr) started at the end of 1990’s. The material is attractive for corrosive hydrocarbon service due to the resistance to CO2 corrosion and low cost compared to duplex stainless steel. SMSS is sensitive to Sulphide Stress Cracking (SSC) and Stress Corrosion Cracking (SCC) and must be tested for both mechanisms. Due to the lack of commonly accepted limits in international standard (NACE MR0175 / ISO 15156-3) internal qualification testing has been performed. During the qualification there has been many lessons learnt and the test procedure has developed over the time as new knowledge has been realized. An important effect is the materials response to pipeline laying procedure and how this has to be accounted for during testing and interpretation of the test results. Other types of corrosion forms such as Inter Granular Stress Corrosion Cracking (IG SCC) and Hydrogen Induced Stress Cracking (HISC) has occurred and countermeasures implemented. The paper gives a historical overview of the challenges that have been encountered and how these challenges have been solved. Keywords: Super Martensitic Stainless Steel; Testing Development Corrosion Failures; Sour Service.
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Picture for Sulfide Stress Cracking of Super 13Cr Martensitic Stainless Steel – Localized Corrosion and Hydrogen
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51318-11257-Sulfide Stress Cracking of Super 13Cr Martensitic Stainless Steel – Localized Corrosion and Hydrogen

Product Number: 51318-11257-SG
Author: Brian D. Chambers / Manuel Gonzalez / Yue Chen / Marc Wilms
Publication Date: 2018
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This paper provides an overview of the existing literature with regards to the understanding of cracking in molybdenum-containing 13Cr alloys and provides suggested paths of investigation.
Picture for Sulfide Stress Cracking (SSC) Resistance of AISI 420 Modified (13Cr) Martensitic Stainless Steel Bar
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51317--9645-Sulfide Stress Cracking (SSC) Resistance of AISI 420 Modified (13Cr) Martensitic Stainless Steel Bar

Product Number: 51317--9645-SG
ISBN: 9645 2017 CP
Author: Karthik Krishnan
Publication Date: 2017
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This paper discusses a study wherein the SSC resistance of 13Cr bar stock quenched and tempered to 22 HRC maximum hardness was tested and evaluated beyond the maximum H2S limit of 10 kPa (1.5 psi) established in NACE MR0175/ISO 15156-3 for use in sour service.

 
Picture for Effect of production routes on SSC of 110 ksi 13Cr Super Martensitic Stainless Steel (SMSS)
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51318-10956-Effect of production routes on SSC of 110 ksi 13Cr Super Martensitic Stainless Steel (SMSS)

Product Number: 51318-10956-SG
Author: Karola Klenke / Christoph Bosch / Marc André Müller / Michael Müller / Frank Hippenstiel1)
Publication Date: 2018
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13Cr Super Martensitic Stainless Steel (SMSS) is commonly used in the Oil & Gas industry. The present work has been aimed at evaluating the influence of different heat treatment processes on the corrosion resistance of 110 ksi 13Cr SMSS.
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