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JB/T 9021-2010Thermal Stability Test Method of Steam Turbine Main Shafts and Rotor Forgings (English PDF)

汽轮机主轴和转子锻件的热稳定性试验方法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

February 11, 2010

Implementation date

July 1, 2010

Scope

JB/T 9021-2010 is the English-translated version of 汽轮机主轴和转子锻件的热稳定性试验方法.

JB/T 9021-2010 is the Chinese standard "Thermal Stability Test Method of Steam Turbine Main Shafts and Rotor Forgings". Its scope clause reads: This standard specifies the thermal stability test method of steam turbine main shafts and rotor forgings.

This standard is applicable to the thermal stability test of steam turbine main shafts and rotor forgings to ensure the stable operation of steam turbine main shafts and rotor forgings under operation temperature. Its clauses include order requirements.

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Document preview — JB/T 9021-2010

National Standard of the People's Republic of China

Replacing
JB/T 9021-1999

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

Contents

  • Foreword
  • 1 Scope
  • 2 Order Requirements
  • 3 Preparation before Test
  • 4 Test Method
  • 5 Acceptance
  • 6 Test Report

1 Scope

This standard specifies the thermal stability test method of steam turbine main shafts and rotor forgings.

This standard is applicable to the thermal stability test of steam turbine main shafts and rotor forgings to ensure the stable operation of steam turbine main shafts and rotor forgings under operation temperature.

2 Order Requirements

2.1

If the thermal stability test is required by the demander, the minimum temperature of thermal stability test shall be specified on the order drawing and the test position, the required quantity of test tapes as well as the section of heating chamber where the forging shall be placed shall be indicated on the forging drawing.

2.2

The thermal stability test shall be carried out by the supplier after final heat treatment. In case the condition of supplier does not allow, the test may also be carried out by the demander.

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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

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Editions of JB/T 9021

EditionTitleRevisionStatus
JB/T 9021-2010Thermal Stability Test Method of Steam Turbine Main Shafts and Rotor Forgingscurrent editionCurrent
JB/T 9021-1999Thermal Stability Test Method of Steam Turbine Main Shafts and Rotor Forgingsprevious editionSuperseded

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