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QC/T 609-1999Plate-type weld nuts (English PDF)

板式焊接螺母

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

November 5, 1999

Implementation date

July 1, 2000

Scope

QC/T 609-1999 is the English-translated version of 板式焊接螺母.

QC/T 609-1999 covers the plate-type weld nut, a fastener welded to a sheet-metal panel so that a bolt can be driven into a place the assembler cannot reach from behind.

It is a recommended standard of the Chinese automobile industry and it gives the type, the dimensions, the technical requirements and the test methods for these nuts in threads M5 to M8.

The document belongs to the T31 fastener group and is applied with GB/T 90-1985, GB/T 196-1981, GB/T 197-1981, GB/T 3098.2-1982, GB/T 3103.1-1982 and QC/T 326-1999. Issued on 5 November 1999, it has applied since 1 July 2000.

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Document preview — QC/T 609-1999

National Standard of the People's Republic of China

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

[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
3 Terms and definitions
3.2 Abbreviations
4 Technical requirements
4.1 Arrangement form
5 Test Methods
5.1 Protocol stack
5.2 Node state
5.3 Transmission rate
5.4 Connectivity
5.5 Bit error rate
5.6 Wiring harness fault diagnosis
5.7 Electrical indexes
6 Inspection Rules
6.1 Test environment
7 Signs, documents, packaging, transportation and storage
8 Inspection report
9 Marks, packaging

1 Foreword

QC/T 609-1999 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

QC/T 609-1999 covers the plate-type weld nut, a fastener welded to a sheet-metal panel so that a bolt can be driven into a place the assembler cannot reach from behind. It is a recommended standard of the Chinese automobile industry and it gives the type, the dimensions, the technical requirements and the test methods for these nuts in threads M5 to M8. The document belongs to the T31 fastener group and is applied with GB/T 90-1985, GB/T 196-1981, GB/T 197-1981, GB/T 3098.2-1982, GB/T 3103.1-1982 and QC/T 326-1999.

QC/T 609-1999 carries no ICS number and no Chinese Standard Classification code.

This catalogue holds 1,601 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 90-1985

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 355mm

GB/T 3098.2-1982 — Mechanical properties of fasteners--Nuts

GB/T 3103.1-1982 — Tolerances for fasteners--Bolts, screws and nuts

QC/T 326-1999 — Coding rules for automotive standard parts

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

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.

Referenced standards

Normative references

GB/T 90-1985

Similar standards

QC/T 888-2011|QC/T 712-2011|QC/T 860-2011|QC/T 863-2011|QC/T 867-2011|QC/T 872-2011

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