GB/T 6807-2001: Specifications for phosphating treatment of iron and steel parts before painting

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Scope

This standard specifies the classification, technical requirements, inspection
methods and acceptance rules of the phosphating film of iron and steel parts
before painting.
This standard is applicable to the phosphating treatment iron and steel parts
before painting. The phosphating film as formed after treatment is used as the
coating base to enhance the adhesion and corrosion resistance of the coating
and the steel matrix, AND to improve the coating quality of the iron and steel
parts.

Basic Data

Standard ID	GB/T 6807-2001 (GB/T6807-2001)
Description (Translated English)	Specifications for phosphating treatment of iron and steel parts before painting
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	A29
Classification of International Standard	25.220.10
Word Count Estimation	6,643
Date of Issue	2001-12-17
Date of Implementation	2002-06-01
Older Standard (superseded by this standard)	GB/T 6807-1986
Quoted Standard	GB/T 1765-1979; GB/T 1771-1991; GB/T 2828-1987; GB/T 9286-1998; GB/T 9792-1988; HG/T 2594-1994
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary	This standard specifies the steel parts before painting phosphate film classification, technical requirements, test methods and acceptance criteria. This standard applies to steel before painting phosphate treatment. After treating the resulting phosphate film is used as coating the bottom, in order to enhance the coating and the steel substrate adhesion and corrosion resistance, the steel work to improve coating quality.