JB/T 12000-2014Specification for forged steel pressure-containing parts of valves for supercritical and ultra-supercritical thermal power plants (English PDF)
火电超临界及超超临界参数阀门用承压锻钢件技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 9, 2014
Implementation date
November 1, 2014
Scope
JB/T 12000-2014 is the English-translated version of 火电超临界及超超临界参数阀门用承压锻钢件技术条件.
The recommended standard JB/T 12000-2014 specifies the forged steel pressure-containing parts of valves for supercritical and ultra-supercritical thermal power plants.
It sets out the terms and definitions for these heat-resistant steel pressure forgings, the ordering requirements, the technical requirements, the test methods, the inspection rules and the provisions on marking.
The parts it deals with belong to valves working at supercritical and ultra-supercritical steam parameters. Its quoted documents are drawn largely from the GB/T 223 series.
Classified J16 and 23.060.99, it was issued on 9 July 2014 and has applied since 1 November 2014.
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Document preview — JB/T 12000-2014
National Standard of the People's Republic of China
- ICS
- 23.060.99
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Classification and status
1 Foreword
JB/T 12000-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.
2 Scope
The recommended standard JB/T 12000-2014 specifies the forged steel pressure-containing parts of valves for supercritical and ultra-supercritical thermal power plants. It sets out the terms and definitions for these heat-resistant steel pressure forgings, the ordering requirements, the technical requirements, the test methods, the inspection rules and the provisions on marking. The parts it deals with belong to valves working at supercritical and ultra-supercritical steam parameters. Its quoted documents are drawn largely from the GB/T 223 series. Classified J16 and 23.060.99,
3 Normative references
JB/T 12000-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
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 223.26
GB/T 223.28
GB/T 223.29
GB/T 223.30
GB/T 223.31
GB/T 223.32
GB/T 223.33
GB/T 223
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Classification and status
International classification (ICS): 23.060.99
Prefix JB/T: recommended standard.
......
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 223.11Iron, steel and alloy - Determination of chromium content - Titrimetric method and spectrophotometric method
- GB/T 223.12Methods for chemical analysis of iron, steel and alloy. The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
- GB/T 223.13Iron, steel and alloy - Determination of vanadium content - Titrimetric method and spectrophotometric method
- GB/T 223.14Methods for chemical analysis of iron, steel and alloy. The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
- GB/T 223.17Methods for chemical analysis of iron, steel and alloy - The diantipyrylmethane photometric method for the determination of titanium content
- 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 223.16 · GB/T 223
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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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JB/T 12000-2014
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