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Database: 189759 (26 Oct 2025)
SY/T 6477-2017 English PDF
SY/T 6477: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
SY/T 6477-2017
English
RFQ
ASK
13 days [Need to translate]
Remaining strength evaluation for oil and gas pipeline with flaws
Valid
SY/T 6477-2017
SY/T 6477-2014
English
RFQ
ASK
18 days [Need to translate]
Evaluation methods of remaining strength for oil and gas transmission pipeline with flaws
Obsolete
SY/T 6477-2014
SY/T 6477-2000
English
RFQ
ASK
9 days [Need to translate]
The evaluation method of remaining strength of the oil and gas transmission pipeline with the flaw Part 1: The volumetric type flaw
Obsolete
SY/T 6477-2000
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Basic data
Standard ID
SY/T 6477-2017 (SY/T6477-2017)
Description (Translated English)
Remaining strength evaluation for oil and gas pipeline with flaws
Sector / Industry
Oil & Gas Industry Standard (Recommended)
Classification of Chinese Standard
E92;H48
Classification of International Standard
75.180.10; 77.140.75
Word Count Estimation
136,142
Date of Issue
2017-03-28
Date of Implementation
2017-08-01
Older Standard (superseded by this standard)
SY/T 6477-2014
Regulation (derived from)
Announcement No. 6 of 2017 by the National Energy Administration; Announcement No. 7 (No. 211) of 2017
Issuing agency(ies)
National Energy Administration
Summary
This standard specifies the residual strength evaluation methods for oil and gas pipelines containing volumetric defects, crack-type defects, diffusion-damage defects, delaminations, miscuts, mitered joints, sag, and trench defects. This standard is applicable to the assessment of residual strength of pipelines containing oil and gas in long-distance transmission pipelines, oil-field gathering pipelines and urban natural gas pipelines, and other pipelines can be used as reference.
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