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SY/T 6477-2017Remaining strength evaluation for oil and gas pipeline with flaws (English PDF)

含缺陷油气管道剩余强度评价方法

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Issued by

National Energy Administration

Level / Type

National · Recommended

Issue date

March 28, 2017

Implementation date

August 1, 2017

Scope

SY/T 6477-2017 is the English-translated version of 含缺陷油气管道剩余强度评价方法.

SY/T 6477-2017 — 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.

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Document preview — SY/T 6477-2017

National Standard of the People's Republic of China

ICS: 75.180.10; 77.140.75
Classification: E 92;H48
Replacing: SY/T 6477-2014

Issued by: National Energy Administration

What this standard covers1
Document data2

What this standard covers

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.

Document data

International classification (ICS): 75.180.10; 77.140.75.

Chinese classification (CCS): E92;H48.

Estimated length of the Chinese original: 136,170 words.

Supersedes the earlier edition SY/T 6477-2014.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 90 pages — is available in the English PDF.

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