ASTM B556-90(2023)

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ASTM B556-90(2023)

2023

Most Recent

Standard Guide for Measurement of Thin Chromium Coatings by Spot Test

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1.1 This guide covers the use of the spot test for the measurement of thicknesses of electrodeposited chromium coatings over nickel and stainless steel with an accuracy of about ±20 % (Section 9). It is applicable to thicknesses up to 1.2 μm.2

Note 1: Although this test can be used for coating thicknesses up to 1.2 μm, there is evidence that the results obtained by this method are high at thicknesses greater than 0.5 μm.3 In addition, for coating thicknesses above 0.5 μm, it is advisable to use a double drop of acid to prevent depletion of the test solution before completion of the test.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM B556-90(2023)
STANDARD INFO:
Standard NameASTM B556-90(2023)
ScopeStandard Guide for Measurement of Thin Chromium Coatings by Spot Test
PublisherASTM - ASTM International
LanguagesEnglish
State
Publication Year2023
Most recent VersionMOST RECENT
Whether to be replaced
Addendum
FILE INFO:
File Size1 file , 300 KB
NoteThis product is unavailable in Russia, Ukraine, Belarus
Number of Pages3
Published11/01/2023
This document does not provide a preview.
ASTM B556-90(2023)
HistoryPublisher Year
ASTM B556-90(2023)2023Current
ASTM B556-90(2018)2018
ASTM B556-90(2013)2013
ASTM B556-90(2012)2012
ASTM B556-90(2007)2007
ASTM B556-90(1997)1997
ASTM B556-90(2002)1990

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