QC/T 583-1999Test method for apparent porosity of automotive brake linings (English PDF)
汽车制动器衬片显气孔率试验方法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
March 15, 1999
Implementation date
March 15, 1999
Scope
QC/T 583-1999 is the English-translated version of 汽车制动器衬片显气孔率试验方法.
QC/T 583-1999 is a recommended Chinese automotive industry standard describing how the apparent porosity of a vehicle brake lining is determined. It specifies the test equipment, the preparation of the test, the test procedure and the way the data are processed.
The method is written for the drum brake linings and disc brake pads of motor vehicles, and it may equally be used for clutch friction plates. GB 5903 is quoted in the text, and the standard takes JASO C444-1978 as a non-equivalent reference; its Chinese classification is T24.
It carries forward the earlier branch standard ZB T24 006-1989. It was issued on 15 March 1999.
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Document preview — QC/T 583-1999
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
- 2 Normative references
2 Normative references
QC/T 583-1999 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB 5903
......
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
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