NB/T 20007.21-2012Stainless Steel for Pressurized Water Reactor Nuclear Power Plants - Part 21: Martensitic Stainless Steel Plates for Use in Making Steam Generator Tube Support Plates (English PDF)
压水堆核电厂用不锈钢 第21部分：蒸汽发生器传热管支承用马氏体不锈钢板
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
October 19, 2012
Implementation date
March 1, 2013
Scope
NB/T 20007.21-2012 is the English-translated version of 压水堆核电厂用不锈钢 第21部分：蒸汽发生器传热管支承用马氏体不锈钢板.
NB/T 20007.21-2012 belongs to the Chinese energy industry series on stainless steels for pressurized water reactor nuclear power plants, Part 21 dealing with martensitic stainless steel plate.
It specifies the manufacture, the chemical composition and the testing and inspection of the plate from which the support plates of steam generator heat transfer tubes are made.
The part sits in the metallurgical classification of the series and is written for that single product form and application. Its chemical analysis rests on the GB/T 223 series, quoted at length from GB/T 223.3 to GB/T 223.75. Issued on 19 October 2012, it has applied since 1 March 2013.
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Document preview — NB/T 20007.21-2012
National Standard of the People's Republic of China
- ICS
- 77.140.20
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 20007.21-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 223.3
GB/T 223.5
GB/T 223.9
GB/T 223.11
GB/T 223.19
GB/T 223.23
GB/T 223.26
GB/T 223.29
GB/T 223.31
GB/T 223.53
GB/T 223.58
GB/T 223.59
GB/T 223.60
GB/T 223.61
GB/T 223.62
GB/T 223.63
GB/T 223.64
GB/T 223.68
GB/T 223.72
GB/T 223.75
......
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 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 223.9Iron, steel and alloy -- Determination of aluminium content -- Chrome azurol S photometric method
- GB/T 223.11Iron, steel and alloy - Determination of chromium content - Titrimetric method and spectrophotometric method
- 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 223.23Iron, steel and alloy—Determination of nickel content—Spectrophotometric method and gravimetric method
GB/T 223.53 · GB/T 223.58
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Related Standards
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
GB/T 223.19-1989 — Methods for chemical analysis of iron, steel and alloy. The neocuproine-chloroform extraction photometric method for the determination of copper content
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NB/T 20007.21-2012
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