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Database: 189759 (19 Oct 2025)
SY/T 4109-2020 English PDF
SY/T 4109: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
SY/T 4109-2020
English
RFQ
ASK
3 days [Need to translate]
(Non-destructive testing of oil and gas steel pipelines)
Valid
SY/T 4109-2020
SY/T 4109-2013
English
RFQ
ASK
3 days [Need to translate]
Nondestructive testing standard of oil and gas steel pipeline
Obsolete
SY/T 4109-2013
SY/T 4109-2005
English
RFQ
ASK
11 days [Need to translate]
Nondestructive testing of oil and gas steel pipeline
Obsolete
SY/T 4109-2005
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Basic data
Standard ID
SY/T 4109-2020 (SY/T4109-2020)
Description (Translated English)
(Non-destructive testing of oil and gas steel pipelines)
Sector / Industry
Oil & Gas Industry Standard (Recommended)
Classification of Chinese Standard
E16;N70
Word Count Estimation
231,265
Date of Issue
2020-10-23
Date of Implementation
2021-02-01
Older Standard (superseded by this standard)
SY/T 4109-2013
Regulation (derived from)
National Energy Administration Announcement No. 5 of 2020
Issuing agency(ies)
National Energy Administration