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JB/T 12956-2016Oxygen lance nozzles for converter steelmaking (English PDF)

转炉炼钢用氧枪喷头

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 22, 2016

Implementation date

April 1, 2017

Scope

JB/T 12956-2016 is the English-translated version of 转炉炼钢用氧枪喷头.

JB/T 12956-2016 is a recommended Chinese machinery industry standard for the oxygen lance nozzles used in converter steelmaking. It sets the classification and the type designation, the technical requirements, the test methods and the inspection rules, and the provisions for marking, packaging and storage.

The nozzles it covers are those fitted to converters of 30 t to 350 t in steelmaking plant. Among the standards it quotes are GB/T 985.1, GB 3087, GB/T 3452.1, GB/T 5231, GB 5310, NB/T 47013.2 and NB/T 47013.3.

The classification codes are J70 and ICS 23.100.99, and the issuing body is the Ministry of Industry and Information Technology.

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Document preview — JB/T 12956-2016

National Standard of the People's Republic of China

ICS: 23.100.99

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

1 Foreword

JB/T 12956-2016 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 22 October 2016 and has been in force since 1 April 2017.

2 Scope

This standard is a recommended Chinese machinery industry standard for the oxygen lance nozzles used in converter steelmaking. It sets the classification and the type designation, the technical requirements, the test methods and the inspection rules, and the provisions for marking, packaging and storage. The nozzles it covers are those fitted to converters of 30 t to 350 t in steelmaking plant. Among the standards it quotes are GB/T 985.1, GB 3087, GB/T 3452.1, GB/T 5231, GB 5310, NB/T 47013.2 and NB/T 47013.3. The classification codes are J70 and ICS 23.100.99, and the issuing body is the Ministry of Industry and Information Technology.

3 Normative references

JB/T 12956-2016 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 196

GB/T 197

GB/T 699

GB/T 985.1

GB/T 1423-1996 — Method of measurement of density for precious metals and their alloys

GB/T 1804

GB/T 2652

GB 3087

GB/T 3452.1

GB/T 3934

GB/T 4423

GB/T 5121.1

GB/T 5121.8

GB/T 5231

GB 5310

GB/T 10046

GB/T 11352

GB/T 11363

GB/T 14976

HG/T 2579

NB/T 47013.2

NB/T 47013.3

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): 23.100.99

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 3087 · GB 5310

Similar standards

JB/T 13759-2019

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