QC/T 600-1999Hexagon head bolt and conical spring washer assemblies (English PDF)
六角头螺栓和锥形弹性垫圈的组合件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
November 5, 1999
Implementation date
July 1, 2000
Scope
QC/T 600-1999 is the English-translated version of 六角头螺栓和锥形弹性垫圈的组合件.
QC/T 600-1999 is the Chinese automotive industry standard covering hexagon head bolt and conical spring washer assemblies. It was issued on 5 November 1999 and has been in force since 1 July 2000, as a first edition.
The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 1999 edition.
The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.
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Document preview — QC/T 600-1999
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
- 1.1 Brake performance
- 1.2 Heat fade and recovery of brake
- 1.3 Line failure and booster failure
- 1.4 Wear of brake linings (pads)
- 2 Normative references
- 2.1 Terms
- 3 Terms and definitions
- 3.2 Abbreviations
- 4 Types and dimensions
- 5 Technical conditions
- 6 Product number
1 Foreword
QC/T 600-1999 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 5 November 1999 and has been in force since 1 July 2000.
The QC/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
This standard specifies the assembly of hexagon head bolts and conical elastic washers with thread specifications of M5 ~ M12.
QC/T 600-1999 carries no ICS number and no Chinese Standard Classification code.
This catalogue holds 1,612 other QC/T standards.
Of the 409 QC/T standards that do carry an ICS number, 397 (97%) fall under ICS 43, in the field of road vehicle engineering.
3 Normative references
GB/T 2-1985 — Fasteners — Ends of parts with external thread
GB/T 90-1985 — Fasteners — Acceptance inspection, marking and packaging
GB/T 196-1981 — General purpose screw threads — Basic dimensions for diameter from 1 to 600mm
GB/T 197-1981 — General purpose screw threads — Tolerances and fits for diameter from 1 to 355 mm
GB/T 230-1991 — Metallic materials — Rockwell hardness test
GB/T 3098.1-1982 — Mechanical properties of fasteners — Bolts, screws and studs
GB/T 3103.1-1982 — Tolerances for fasteners — Bolts, screws and nuts
GB/T 3440-1984 — Metallic materials — Vickers hardness test
GB/T 3525-1983 — Cold-rolled spring and tool steel strips
GB/T 5779.1-1986 — Fasteners — Surface discontinuities — Bolts, screws and studs for general requirements
QC/T 326-1999 — Coding rules for automotive standardized parts
QC/T 625-1999 — Metallic coatings and conversion coatings for automobile
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 Related standards
Other editions:
QC/T 600-2023 (later edition)
6 Classification and status
Prefix QC/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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