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JB/T 50105-1998250 ~ 200MW steam turbine and impeller wheel forging product quality grading (English PDF)

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

January 1, 1998

Implementation date

January 1, 1998

Scope

JB/T 50105-1998 (250 ~ 200MW steam turbine and impeller wheel forging product quality grading) is available as an English-translated PDF.

JB/T 50105-1998 is the Chinese standard "250 ~ 200MW steam turbine and impeller wheel forging product quality grading".

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Document preview — JB/T 50105-1998

National Standard of the People's Republic of China

ICS: 77.140.85
Classification: J32

[Preview only]
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
4.1 General requirements
4.2 Model designation
6 Test methods
6.1 Factory inspection
6.2 Type inspection
7 Inspection rules
8 Marking, packaging, transportation and storage
8.1 Marking
8.2 Packaging

1 Foreword

JB/T 50105-1998 is issued by Ministry of Industry and Information Technology of the People's Republic of China.

The JB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 8 pages in English translation.

2 Scope Preview

JB/T 50105-1998 falls under ICS 77.140.85, in the field of metallurgy.

This catalogue holds 222 other JB/T standards in that field.

In this catalogue, JB/T standards carry edition years from 1967 to 2026.

3 About this standard

Sector: Mechanical & Machinery Industry Standard (Recommended)

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

English translation: about 8 pages (approximate)

Chinese original: about 8,846 characters

4 Classification and status

International classification (ICS): 77.140.85

Chinese Standard Classification (CCS): J 32

Prefix JB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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