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www.ChineseStandard.net Database: 189759 (26 Oct 2025)

SY/T 6477-2017 English PDF

SY/T 6477: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SY/T 6477-2017EnglishRFQ ASK 13 days [Need to translate] Remaining strength evaluation for oil and gas pipeline with flaws Valid SY/T 6477-2017
SY/T 6477-2014EnglishRFQ 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 6477-2000EnglishRFQ 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Older Standard (superseded by this standard) SY/T 6477-2014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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