GB/T 17721-1999 English PDF

US$209.00 · In stock
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GB/T 17721-1999: Metallic coatings. Porosity tests. Ferroxyl test

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17721-1999	209	Add to Cart	3 days	Metallic coatings. Porosity tests. Ferroxyl test

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Basic data

Standard ID: GB/T 17721-1999 (GB/T17721-1999)
Description (Translated English): Metallic coatings. Porosity tests. Ferroxyl test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A29
Classification of International Standard: 25.220.40
Word Count Estimation: 6,666
Date of Issue: 4/8/1999
Date of Implementation: 9/1/1999
Quoted Standard: ISO 3696-1987
Adopted Standard: ISO 10309-1994, MOD
Issuing agency(ies): State Quality and Technical Supervision
Summary: This standard specifies a test of metal covering layer porosity or discontinuous test methods. The covering layer is not obvious effect test of iron cyanide and chloride in the testing process, and takes the shape of the steel substrate of the cathode. This standard is particularly applicable to projects covering layer of chromium.

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