API 941 : 2016
Superseded
View Superseded by
STEELS FOR HYDROGEN SERVICE AT ELEVATED TEMPERATURES AND PRESSURES IN PETROLEUM REFINERIES AND PETROCHEMICAL PLANTS
English
02-01-2016
02-24-2021
1 Scope
2 Normative References
3 Operating Experience
4 Forms of HTHA
5 Factors Influencing Internal Decarburization, Fissuring, and
Cracking Caused by HTHA
6 Inspection for HTHA
Annex A (informative) - HTHA of 0.5Mo Steel
Annex B (informative) - HTHA of 1.25 Cr-0.5Mo Steel
Annex C (informative) - HTHA of 2.25Cr-1Mo Steel
Annex D (informative) - Effective Pressures of Hydrogen in
Steel Covered by Clad/Overlay
Annex E (informative) - Summary of Inspection Methods
Annex F (informative) - HTHA of Non-PWHT'd Carbon Steels
Annex G (informative) - Methodology for Calculating Hydrogen
Partial Pressure in Liquid-filled Piping
Annex H (informative) - Internal Company Data Collection -
Request for New Information
Bibliography
Provides the results of experimental tests and actual data acquired from operating plants to establish practical operating limits for carbon and low alloy steels in hydrogen service at elevated temperatures and pressures.
| DevelopmentNote |
NEW CHILD ADD 1 2020 IS ADDED
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| DocumentType |
Standard
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| Pages |
56
|
| ProductNote |
NEW CHILD ADD 1 2020 IS ADDED NEW CHILD ERR 2 2018 IS ADDED
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| PublisherName |
American Petroleum Institute
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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