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JB/T 11839-2014Retained mandrels for continuous tube mills (English PDF)

连轧管机组用限动芯棒

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

May 6, 2014

Implementation date

October 1, 2014

Scope

JB/T 11839-2014 is the English-translated version of 连轧管机组用限动芯棒.

JB/T 11839-2014 is a recommended Chinese machinery industry standard on the retained mandrels used in continuous tube rolling mills.

It states what an order for such a mandrel is to specify, the manufacturing process to be followed, the technical requirements, the test methods and the inspection rules, and it goes on to acceptance, the quality certificate, marking and packaging.

The classification codes recorded against it are J32 in the Chinese scheme and 77.140.85 in the international scheme. Among the standards it quotes are GB/T 223.11, GB/T 223.14, GB/T 223.19, GB/T 223.23 and GB/T 223.31.

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Document preview — JB/T 11839-2014

National Standard of the People's Republic of China

ICS: 77.140.85

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

1 Foreword

JB/T 11839-2014 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 6 May 2014 and has been in force since 1 October 2014.

2 Scope

This standard is a recommended Chinese machinery industry standard on the retained mandrels used in continuous tube rolling mills. It states what an order for such a mandrel is to specify, the manufacturing process to be followed, the technical requirements, the test methods and the inspection rules, and it goes on to acceptance, the quality certificate, marking and packaging. The classification codes recorded against it are J32 in the Chinese scheme and 77.140.85 in the international scheme. Among the standards it quotes are GB/T 223.11, GB/T 223.14, GB/T 223.19, GB/T 223.23 and GB/T 223.31.

3 Normative references

JB/T 11839-2014 cites a number of standards, which apply in full or in part through the references made to them in its clauses. Those listed below are the ones the catalogue record shows; the record cuts the list short, so it may not be complete.

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 223.25

GB/T 223.26

GB/T 223.28

GB/T 223.29

GB/T 223.30

GB/T 223.31

GB/T 223.3

4 About this standard

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

English translation: about 15 pages

5 Classification and status

International classification (ICS): 77.140.85

Prefix JB/T: recommended standard.

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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

Normative references

GB/T 223.16

Similar standards

JB/T 12468-2015|JB/T 12473-2015|JB/T 12054-2014|JB/T 13675-2019|JB/T 13124-2017|JB/T 12800-2016

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