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JB/T 10264-2014Crown and band castings for welded runners of Francis turbines (English PDF)

混流式水轮机焊接转轮上冠、下环铸件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

May 6, 2014

Implementation date

October 1, 2014

Scope

JB/T 10264-2014 is the English-translated version of 混流式水轮机焊接转轮上冠、下环铸件.

JB/T 10264-2014 is the Chinese standard "Crown and band castings for welded runners of Francis turbines".

Its scope clause reads: This standard specifies the ordering requirements, manufacturing process, technical requirements, inspection rules and test methods, quality certificates, marking and packaging for the crown and band castings for francis turbine welded runner.

This standard applies to the ordering, manufacturing and inspection of the crown and band castings made through sand casting process. Its clauses include order requirements.

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Document preview — JB/T 10264-2014

National Standard of the People's Republic of China

ICS: 77.140.80
Replacing: JB/T 10264-2001

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword i
1 Scope
2 Normative references
3 Order requirements
4 Manufacturing process
4.1 Smelting
4.2 Casting
4.3 Heat treatment
4.4 Defect removal and welding repair
4.5 Process machining
5 Technical requirements
5.1 Chemical composition
5.2 Mechanical properties
5.3 Surface quality of castings
5.4 Shape and dimensional tolerances
5.5 Mass tolerances
5.6 Non-destructive testing
6 Inspection rules and test methods
6.1 Chemical composition analysis
6.2 Mechanical property test
6.3 Surface roughness
6.4 Non-destructive testing
6.5 Retests
6.6 Re-heated treatment
7 Quality certificate
8 Marking and packaging

1 Scope

This standard specifies the ordering requirements, manufacturing process, technical requirements, inspection rules and test methods, quality certificates, marking and packaging for the crown and band castings for francis turbine welded runner.

This standard applies to the ordering, manufacturing and inspection of the crown and band castings made through sand casting process.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 222 Permissible tolerances for chemical composition of steel products

GB/T 223 (All parts) Methods for chemical analysis of iron, steel and alloy

GB/T 228.1 Metallic materials — Tensile testing — Part 1: Method of test at room temperature

GB/T 229 Metallic materials — Charpy pendulum impact test method

GB/T 231.1 Metallic materials — Brinell hardness test — Part 1: Test method

GB/T 4336 Carbon and low-alloy steel — Spark discharge atomic emission spectrometric method (routine method)

GB/T 6060.1 Roughness comparison specimens — Cast surfaces

GB/T 6414-1999 Castings — System of dimensional tolerances and machining allowances

GB/T 7233.1 Steel castings — Ultrasonic examination — Part 1:Steel castings for general purposes

GB/T 9443 Steel and iron castings — Liquid penetrant inspection

GB/T 9444 Steel and iron castings — Magnetic particle inspection

GB/T 11351 Mass tolerances of casting

GB/T 11352-2009 Carbon steel castings for general engineering purpose

GB/T 20066 Steel and iron — Sampling and preparation of samples for the determination of chemical composition

3 Order requirements

3.1

The purchaser shall indicate the adopted standard, casting name, material designation, order quantity and supply status in the order contract or technical agreement.

3.2

The purchaser shall provide the order drawings approved by the supplier and the purchaser.

......
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 223.16

Cited by

GB/T 22581-2024Fundamental technical requirements for Francis pump-turbines

Similar standards

NB/T 10828-2021|JB/T 3735-2014|GB/T 22581-2024|JB/T 10087-2016|JB/T 11838-2014|JB/T 7349-2014

Editions of JB/T 10264

Edition	Title	Revision	Status
JB/T 10264-2014	Crown and band castings for welded runners of Francis turbines	current edition	Current
JB/T 10264-2001	Crown and band castings for welded runners of Francis turbines	previous edition	Superseded

This page sells the current edition, JB/T 10264-2014. Earlier editions are listed for reference only.

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