SY/T 7464-2020Internal lined or clad corrosion resistant alloy pipeline welding and inspection specification (English PDF)
耐腐蚀合金双金属复合管焊接及无损检测技术标准
SY/T 7464 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| SY/T 7464-2025 | Technical Standards for Welding and Non-destructive Testing of Corrosion-Resistant Alloy Bimetallic Composite Pipes | Valid |
| SY/T 7464-2020 | Internal lined or clad corrosion resistant alloy pipeline welding and inspection specification | Obsolete |
SY/T 7464-2020 is obsolete. It has been replaced by SY/T 7464-2025. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Nation Energy Administration
Level / Type
National · Recommended
Issue date
October 23, 2020
Implementation date
February 1, 2021
Scope
SY/T 7464-2020 is the English-translated version of 耐腐蚀合金双金属复合管焊接及无损检测技术标准.
SY/T 7464-2020 is the Chinese industry standard "Internal lined or clad corrosion resistant alloy pipeline welding and inspection specification". It was issued on October 23, 2020 by Nation Energy Administration, and took effect on February 1, 2021. It is obsolete: it has been replaced by SY/T 7464-2025.
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Document preview — SY/T 7464-2020
National Standard of the People's Republic of China
Issued by: Nation Energy Administration
Contents
- Document data
1 Document data
Sector: Petroleum & Gas (industry standard).
Issuing body: Nation Energy Administration.
Date of issue: 2020-10-23.
Date of implementation: 2021-02-01.
Status: obsolete, replaced by SY/T 7464-2025.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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SY/T 7464-2020
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