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NACE TM0177-2024, Laboratory Testing of Metals for Resistance to Sulfide Stress Cracking and Stress Corrosion Cracking in H2S Environments

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  • NACE TM0177-2024, Laboratory Testing of Metals for Resistance to Sulfide Stress Cracking and Stress Corrosion Cracking in H2S Environments
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This standard addresses the testing of metals for resistance to cracking under the combined action of tensile stress and corrosion in aqueous environments containing hydrogen sulfide (H2S). This phenomenon is generally termed sulfide stress cracking (SSC) when operating at temperatures near or below ambient and stress corrosion cracking (SCC) when operating at higher temperatures. In recognition of the variation in temperature and with different materials, this phenomenon is herein called environmentally assisted cracking (EAC). For the purposes of this standard, EAC includes only SSC, SCC, and hydrogen stress cracking (HSC).

Product Number: NACE TM0177-2024
Publication Date: 2024
Industries: Oil and Gas , Test Method , Materials Selection and Design
$109.00
$109.00
$109.00

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This standard addresses the testing of metals for resistance to cracking under the combined action of tensile stress and corrosion in aqueous environments containing hydrogen sulfide (H2S). This phenomenon is generally termed sulfide stress cracking (SSC) when operating at temperatures near or below ambient and stress corrosion cracking (SCC) when operating at higher temperatures. In recognition of the variation in temperature and with different materials, this phenomenon is herein called environmentally assisted cracking (EAC). For the purposes of this standard, EAC includes only SSC, SCC, and hydrogen stress cracking (HSC).

Keywords: Environmentally assisted cracking (EAC), hydrogen sulfide, sulfide stress cracking (SSC), stress corrosion cracking (SCC), uniaxial tensile, three-point bent-beam, C-ring, double-cantilever-beam (DCB)

This standard addresses the testing of metals for resistance to cracking under the combined action of tensile stress and corrosion in aqueous environments containing hydrogen sulfide (H2S). This phenomenon is generally termed sulfide stress cracking (SSC) when operating at temperatures near or below ambient and stress corrosion cracking (SCC) when operating at higher temperatures. In recognition of the variation in temperature and with different materials, this phenomenon is herein called environmentally assisted cracking (EAC). For the purposes of this standard, EAC includes only SSC, SCC, and hydrogen stress cracking (HSC).

Keywords: Environmentally assisted cracking (EAC), hydrogen sulfide, sulfide stress cracking (SSC), stress corrosion cracking (SCC), uniaxial tensile, three-point bent-beam, C-ring, double-cantilever-beam (DCB)

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Picture for AMPP TM21451-2023, Evaluation of Carbon and Low-Alloy Steels for Resistance to Stress-Oriented Hydrogen-Induced Cracking (SOHIC)
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AMPP TM21451-2023, Evaluation of Carbon and Low-Alloy Steels for Resistance to Stress-Oriented Hydrogen-Induced Cracking (SOHIC)

Product Number: AMPP TM21451-2023
Publication Date: 2023
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Carbon and low-alloy steels in plate form and their welded products may be susceptible to one or more forms of environmental cracking when exposed to wet H2S service conditions. These include, for example, (1) sulfide stress cracking (SSC) of hard zones and welds; (2) hydrogen-induced cracking (HIC) in the parent metal; and (3) stress-oriented hydrogen-induced cracking (SOHIC) in the region adjacent to welds of nominally acceptable hardness. Extensive work has been conducted over many years to understand various fundamental and applied aspects of these phenomena. Experiences in refinery wet H2S operations have directed particular attention to understanding SOHIC and the various metallurgical and environmental parameters that govern its occurrence.

 

Scope

 

This standard was prepared to provide a test method for consistent evaluation of pipeline and pressure vessel steels to SOHIC caused by hydrogen absorption from aqueous sulfide corrosion. The test conditions are not designed to simulate any specific service environment. The test is intended to evaluate resistance to SOHIC only, and not to other adverse effects of sour environments such as sulfide stress cracking (SSC), pitting, or mass loss from corrosion.

 
Picture for AMPP Guide 21532-2023, Guideline for Materials Selection and Corrosion Control for CO2 Transport and Injection
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AMPP Guide 21532-2023, Guideline for Materials Selection and Corrosion Control for CO2 Transport and Injection

Product Number: AMPP Guide 21532-2023
Publication Date: 2023
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The purpose of this document is to provide guidance on materials selection and corrosion control for engineers in the design and identification of operating limits for projects that involve CO2 transport and injection. It should be used as a guide to help identify specific requirements which can be tailored for each project rather than as definitive requirements used straight from the document. References are also made to other relevant documents and standards. The guidance provided for an initial design should help the engineer focus on the most critical issues related to CO2 transport and injection. It is a rapidly growing subject area and much exploratory technical work is still being executed, and as such this document should be seen as a starting point with future updates and new insights to be expected.
Picture for NACE SP0403-2023
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NACE SP0403-2023, Avoiding Caustic Stress Corrosion Cracking of Refinery Equipment and Piping

Product Number: NACE SP0403-2023
Publication Date: 2023
$109.00

This standard practice is intended to provide guidance to those designing, fabricating, and/or maintaining refinery equipment and piping that are exposed to caustic environments.

Caustic is used in many petroleum refinery applications in a wide range of concentrations and temperatures.  Caustic stress corrosion cracking (SCC) of carbon steel (CS) equipment has been reported in industry since the 1930s, e.g., in riveted steam boilers.  NACE has published guidance for handling sodium hydroxide (NaOH) in the form of a “Caustic Service Chart” since at least the mid-1960s.
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