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SP0170-2018-SG Protection of Austenitic Stainless Steels and Other Austenitic Alloys from Polythionic Acid Stress Corrosion Cracking During a Shutdown of Refinery Equipment

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  • SP0170-2018-SG Protection of Austenitic Stainless Steels and Other Austenitic Alloys from Polythionic Acid Stress Corrosion Cracking During a Shutdown of Refinery Equipment
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This standard practice provides mitigation methods to protect austenitic stainless steels and other austenitic alloys from polythionic acid (PTA) stress corrosion cracking (SCC) that can occur during a shutdown of refinery equipment. A shutdown includes the actual down time period and the contiguous periods required to shut down and start up the equipment.

Product Number: 21002-SG
ISBN: 1-57590-039-4
Publication Date: 2018
$109.00
$109.00
$109.00

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This standard practice provides mitigation methods to protect austenitic stainless steels and other austenitic alloys from polythionic acid (PTA) stress corrosion cracking (SCC) that can occur during a shutdown of refinery equipment. A shutdown includes the actual down time period and the contiguous periods required to shut down and start up the equipment. This standard is directed toward preventing stress corrosion cracking (SCC) caused by polythionic acid (PTA) that can be formed by reaction of oxygen and water with sulfide corrosion products (i.e., metal sulfides) or with other oxidizable sulfur species (e.g., sulfur, hydrogen sulfide [H2S]).  

Key words: Refineries, austenitic stainless steels, polythionic acid, stress corrosion cracking (scc).

This standard practice provides mitigation methods to protect austenitic stainless steels and other austenitic alloys from polythionic acid (PTA) stress corrosion cracking (SCC) that can occur during a shutdown of refinery equipment. A shutdown includes the actual down time period and the contiguous periods required to shut down and start up the equipment. This standard is directed toward preventing stress corrosion cracking (SCC) caused by polythionic acid (PTA) that can be formed by reaction of oxygen and water with sulfide corrosion products (i.e., metal sulfides) or with other oxidizable sulfur species (e.g., sulfur, hydrogen sulfide [H2S]).  

Key words: Refineries, austenitic stainless steels, polythionic acid, stress corrosion cracking (scc).

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NACE SP0169-2013 (formerly RP0169), "Control of External Corrosion on Underground or Submerged Metallic Piping Systems"

Product Number: 21001-SG
Publication Date: 2013
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HISTORICAL DOCUMENT. Standard for achieving effective control of external corrosion on buried or submerged metallic piping systems or other buried metallic structures.  System design. Coatings. Cathodic protection criteria & installation.  Control of interference currents.
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SP0177-2014 (formerly RP0177), Mitigation of Alternating Current and Lightning Effects on Metallic Structures and Corrosion Control Systems

Product Number: 21021-SG
ISBN: 1-57590-116-1
Publication Date: 2014
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DOWNLOADABLE HISTORICAL DOCUMENT. Design, construction, operation, and maintenance of metallic structures and corrosion control systems used to mitigate the effect of lightning and overhead alternating current (AC) power transmission systems.

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SP0110-2018, Wet Gas Internal Corrosion Direct Assessment Methodology for Pipelines

Product Number: 21146-SG
Publication Date: 2018
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