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JB/T 6984-1993Chromite sand for foundry use (English PDF)

铸造用铬铁矿砂

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

July 27, 1993

Implementation date

July 1, 1994

Scope

JB/T 6984-1993 is the English-translated version of 铸造用铬铁矿砂.

JB/T 6984-1993 is the Chinese standard "Chromite sand for foundry use". Its scope clause reads: This standard specifies the terms and definitions, grouping, grading and designations, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of chromite sand for foundry.

This standard applies to chromite sand used in casting and core making of foundry. Its clauses include terms and definitions; inspection rules; marking, packaging, transportation and storage.

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Document preview — JB/T 6984-1993

National Standard of the People's Republic of China

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

Contents

  • [Preview only]
  • 1 Scope
  • 2 Normative references
  • 2.1 Terms
  • 3 Terms and definitions
  • 3.1 Type
  • 3.2 Basic parameters
  • 4 Grouping, grading and designation
  • 5 Technical requirements
  • 5.1 General requirements
  • 5.2 Safety requirements
  • 5.3 Cold and hot working forming
  • 5.4 Rated load test
  • 5.5 Whole machine noise test
  • 5.6 Static rigidity test
  • 5.7 Dynamic load test
  • 5.8 Crane span deviation
  • 5.9 Diagonal difference of bridge
  • 6 Test method
  • 6.1 Exit-factory inspection
  • 6.2 Type inspection
  • 7 Inspection rules
  • 7.1 Marking
  • 7.2 Packaging, transportation and storage
  • 7.3 Transportation
  • 7.4 Storage
  • 8 Marking, packaging, transportation and storage
  • 8.1 Marking
  • 8.2 Packaging

1 Foreword

JB/T 6984-1993 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 27 July 1993 and has been in force since 1 July 1994.

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 15 pages in English translation.

2 Scope Preview

JB/T 6984-1993 carries no ICS number and no Chinese Standard Classification code.

This catalogue holds 21,922 other JB/T standards.

Of the 5,298 JB/T standards that do carry an ICS number, 1,460 (28%) fall under ICS 25, in the field of manufacturing engineering.

3 About this standard

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

English translation: about 15 pages

4 Related standards

Other editions:

JB/T 6984-2013 (later edition)

5 Classification and status

Prefix JB/T: recommended standard.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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