JB/T 7022-2014The Rotor Forgings for Industrial Steam Turbines - Technical Specification (English PDF)
工业汽轮机转子体锻件 技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 7022-2014 is the English-translated version of 工业汽轮机转子体锻件 技术条件.
JB/T 7022-2014 is a recommended Chinese machinery industry standard for the rotor forgings of industrial steam turbines. It deals with vacuum-treated alloy steel forgings used as rotor bodies and sets the manufacturing process, the technical requirements, the test methods and inspection rules, and the quality certificate and marking.
It is written for the ordering of rotor forgings for industrial steam turbines. The chemical analysis methods of the GB/T 223 series are quoted with it. The standard replaces the 2002 edition, JB/T 7022-2002. Issued on 6 May 2014, it has applied since 1 October 2014.
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Document preview — JB/T 7022-2014
National Standard of the People's Republic of China
- ICS
- 77.140.85
- Replacing
- JB/T 7022-2002
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 7022-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.
It replaces the earlier edition JB/T 7022-2002, JB/T 7022-1993.
2 Scope
This standard is a recommended Chinese machinery industry standard for the rotor forgings of industrial steam turbines. It deals with vacuum-treated alloy steel forgings used as rotor bodies and sets the manufacturing process, the technical requirements, the test methods and inspection rules, and the quality certificate and marking. It is written for the ordering of rotor forgings for industrial steam turbines. The chemical analysis methods of the GB/T 223 series are quoted with it. The standard replaces the 2002 edition, JB/T 7022-2002.
3 Normative references
JB/T 7022-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
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 223.25
GB/T 223.28
GB/T 223.30
GB/T 223.3
GB/T 223.32
GB/T 223.33
GB/T 223.34
GB/T 223.36
GB/T 223.37
GB/T 223.
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 7022-2002 (earlier edition)
JB/T 7022-1993 (earlier edition)
6 Classification and status
International classification (ICS): 77.140.85
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 223.12Methods 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 223.19Methods 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.
Similar standards
Editions of JB/T 7022
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7022-2014 | The Rotor Forgings for Industrial Steam Turbines - Technical Specification | current edition | Current |
| JB/T 7022-2002 | The Rotor Forgings for Industrial Steam Turbines - Technical Specification | previous edition | Superseded |
This page sells the current edition, JB/T 7022-2014. Earlier editions are listed for reference only.
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Related Standards
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
GB/T 223.13-2025 — Iron, steel and alloy - Determination of vanadium content - Titrimetric method and spectrophotometric method
GB/T 223.14-2000 — Methods for chemical analysis of iron, steel and alloy. The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
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JB/T 7022-2014
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