SY/T 6151-2009: Assessment of corroded steel pipelines

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Scope

This Standard specifies the method for assessment of corrosion damage of in
service pipeline.
This Standard applies to the assessment of blunt, low stress concentration
corrosion damage carbon steel and low alloy steel pipeline. The assessment of
pipeline’s blunt mechanical damage can be conducted in accordance with this
Standard.
This Standard does not apply to the assessment of the steel pipeline which is
before installation or in installation process, or the assessment of the steel
pipelines which have serious defects in weld and heat affected zone.
This Standard applies only to the internal pressure bearing pipeline; when the
pipeline is withstanding a big additional stress, it shall be considered separately.

Basic Data

Standard ID	SY/T 6151-2009 (SY/T6151-2009)
Description (Translated English)	Assessment of corroded steel pipelines
Sector / Industry	Oil and Gas Industry Standard (Recommended)
Classification of Chinese Standard	E10;E16
Classification of International Standard	75.010
Word Count Estimation	11,169
Date of Issue	2009-12-01
Date of Implementation	2010-05-01
Older Standard (superseded by this standard)	SY/T 6151-1995
Quoted Standard	GB/T 228; GB/T 21143; SY/T 6597
Regulation (derived from)	National Energy Board Notice 2009 No. 2; industry standard filing Notice 2010 No. 2 (No. 122 overall)
Issuing agency(ies)	National Development and Reform Commission
Summary	This standard specifies the in-service pipelines containing corrosion damage evaluation method. This standard applies to blunt, low stress concentration corrosion damage of carbon and low alloy steel pipes evaluation. Blunt pipeline mechanical damage assessment could refer to this standard.