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GB/T 6466-2008Electrodeposited chromium coatings -- Electrolytic corrosion testing (EC test) (English PDF)

电沉积铬层电解腐蚀试验(EC试验)

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Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

June 19, 2008

Implementation date

January 1, 2009

Scope

GB/T 6466-2008 is the English-translated version of 电沉积铬层电解腐蚀试验(EC试验).

GB/T 6466-2008 — 1.1 standard provides fast and accurate evaluation of steel or copper zinc alloy castings - Nickel - Chromium and Nickel - outdoor corrosion resistance of chromium electrodeposited layer side law.

Duration and results of the product in outdoor use, this standard have not been described and explained. 1.2 to 1.1 than other systems or materials deposited layer using this test method, the method should be verified prior to their outdoor use phase shall relationship.

1.3 This standard test conditions provided in [1], the electrolytic nickel layer is a layer of chromium by discontinuities (chromium layer is not etched) performed.

Electrolytic corrosion the extent of corrosion rate test is equivalent to using an electrolytic 2min in [2] [3] level.

When the nickel layer increases the exposed area quickly (such as high Density of the sample surface discontinuities chromium), the EC test rate will exceed its outdoor corrosion rate corresponding to the test, in order to ensure the same Corrosion rate, when the surface of the sample reaches a predetermined current density, by potentiostatic control to the constant current control.

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Document preview — GB/T 6466-2008

National Standard of the People's Republic of China

ICS: 25.220.40
Classification: A 29
Replacing: GB/T 6466-1986

Issued by: Standardization Administration of China

What this standard covers1
Document data2

What this standard covers

This standard provides fast and accurate evaluation of steel or copper- zinc alloy castings on a nickel chromium and nickel chromium electrodeposition layer outdoor corrosion resistance approach. Outdoor use of the product in the period and the results of this standard have not been described and explained. For 1. 1 systems other than the sedimentary layers or materials using this test method, this method should first verify that the appropriate relationship with its outdoor use.

Document data

International classification (ICS): 25.220.40.

Chinese classification (CCS): A29.

Estimated length of the Chinese original: 9,939 words.

Adopted international standard: ISO 4539-1980, IDT.

Supersedes the earlier edition GB/T 6466-1986.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

Referenced standards

Cited by

JB/T 5750-2014Protection of meteorological instruments against salt mist, moisture and mould - Technical requirements

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