NB/T 25023-2014Rules for welding material evaluation and acceptance of nuclear power plant conventional island (English PDF)
核电厂常规岛焊接材料评定与验收规程
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
March 18, 2014
Implementation date
August 1, 2014
Scope
NB/T 25023-2014 is the English-translated version of 核电厂常规岛焊接材料评定与验收规程.
NB/T 25023-2014 is the Chinese energy industry standard, recommended in status, that sets out how welding materials for the conventional island of a nuclear power plant are qualified and accepted.
It gives the basic requirements for evaluating and accepting the welding consumables used on pressure vessels, pressure piping, pressure tanks and other equipment components during manufacture, installation, maintenance and service.
The text is classified F40 in the Chinese system and under ICS 27.120, the nuclear energy engineering group. For the chemical analysis of the steels concerned it leans on the GB/T 223 series, which it quotes part by part. Issued on 18 March 2014, it has applied since 1 August 2014.
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Document preview — NB/T 25023-2014
National Standard of the People's Republic of China
- ICS
- 27.120
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 25023-2014 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 223.4
GB/T 223.5
GB/T 223.6
GB/T 223.7
GB/T 223.8
GB/T 223.9
GB/T 223.11
GB/T 223.12
GB/T 223.13
GB/T 223.14
GB/T 223.16
GB/T 223.17
GB/T 223.18
GB/T 223.19
GB/T 223.20
GB/T 223.21
GB/T 223.22
GB/T 223.23
GB/T 223.25
......
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 223.4Alloyed steel - Determination of manganese content - Potentiometric or visual titration method
- GB/T 223.5Steel and iron -- Determination of acid-soluble silicon and total silicon content -- Reduced molybdosilicate spectrophotometric method
- GB/T 223.6Iron, steel and alloy - Determination of boron content - Neutralization titrimetric method and spectrophotometric method
- GB/T 223.7Iron powder--Determination of iron content--Potassium dichromate titration method
- GB/T 223.8Iron, steel and alloy — Determination of aluminium content — Titrimetric method and spectrophotometric method
GB/T 223.16
Similar standards
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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 223.12-1991 — Methods for chemical analysis of iron, steel and alloy. The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
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NB/T 25023-2014
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