NB/T 20007.7-2012Stainless Steel for Pressurized Water Reactor Nuclear Power Plants - Part 7: Austenitic Stainless Steel Plate and Strip for Classes S1 and S2 Supports (English PDF)
压水堆核电厂用不锈钢 第7部分：S1、S2级支承件用奥氏体不锈钢钢板和钢带
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
January 6, 2012
Implementation date
April 6, 2012
Scope
NB/T 20007.7-2012 is the English-translated version of 压水堆核电厂用不锈钢 第7部分：S1、S2级支承件用奥氏体不锈钢钢板和钢带.
NB/T 20007.7-2012 is the Chinese energy industry standard for austenitic stainless steel plate and strip used in nuclear power plant supports.
Part 7 of the series on stainless steel for pressurized water reactor nuclear power plants, it gives the technical requirements for manufacture, chemical composition and mechanical properties, together with the testing, inspection and acceptance rules.
It applies to the austenitic stainless steel plate, strip and cold rolled steel used for class S1 and class S2 supports in PWR plants. Composition is verified against the quoted GB/T 222 and the GB/T 223 series of chemical analysis methods. Issued on 6 January 2012, it has applied since 6 April 2012.
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Document preview — NB/T 20007.7-2012
National Standard of the People's Republic of China
- ICS
- 77.140.50
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 20007.7-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 222
GB/T 223.3
GB/T 223.5
GB/T 223.11
GB/T 223.16
GB/T 223.18
GB/T 223.19
GB/T 223.25
GB/T 223.28
GB/T 223.36
GB/T 223.58
GB/T 223.60
GB/T 223.61
GB/T 223.62
GB/T 223.63
GB/T 223.64
GB/T 223.67
GB/T 223.68
GB/T 223.72
GB/T 223.85
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 222Steels and alloys - Permissible deviations of product analyzed chemical composition
- GB/T 223.3Iron, steel and alloy - Determination of phosphorus content - Spectrophotometric method, titrimetric method and gravimetric method
- GB/T 223.5Steel and iron -- Determination of acid-soluble silicon and total silicon content -- Reduced molybdosilicate spectrophotometric method
- GB/T 223.11Iron, steel and alloy - Determination of chromium content - Titrimetric method and spectrophotometric method
- GB/T 223.18Methods for chemical analysis of iron, steel and alloy--The sodium thiosulfate separation iodimetric method for the determination of copper content
- GB/T 223.19Methods for chemical analysis of iron, steel and alloy. The neocuproine-chloroform extraction photometric method for the determination of copper content
GB/T 223.16 · GB/T 223.58
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Related Standards
GB/T 222-2025 — Steels and alloys - Permissible deviations of product analyzed chemical composition
GB/T 223.11-2008 — Iron, steel and alloy -- Determination of chromium content -- Visual titration or potentiometric titration method
GB/T 223.11-2025 — Iron, steel and alloy - Determination of chromium content - Titrimetric method and spectrophotometric method
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NB/T 20007.7-2012
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