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ASTM B 556 : 1990 : R2018

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Guide for Measurement of Thin Chromium Coatings by Spot Test
Available format(s)

Hardcopy , PDF

Superseded date

11-09-2023

Language(s)

English

Published date

08-22-2018

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 02.05, 2017 Defines 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%.

1.1This 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.

1.2This 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.

1.3This 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.

Committee
B 08
DocumentType
Guide
Pages
3
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM B 604 : 1991 : R2003 : EDT 1 Standard Specification for Decorative Electroplated Coatings of Copper Plus Nickel Plus Chromium on Plastics
ASTM B 604 : 1991 : R2015 Standard Specification for Decorative Electroplated Coatings of Copper Plus Nickel Plus Chromium on Plastics
ASTM B 604 : 1991(R2019) Standard Specification for Decorative Electroplated Coatings of Copper Plus Nickel Plus Chromium on Plastics
ASTM B 604 : 1991 : R1997 Standard Specification for Decorative Electroplated Coatings of Copper Plus Nickel Plus Chromium on Plastics
ASTM B 604 : 1991 : R2008 Standard Specification for Decorative Electroplated Coatings of Copper Plus Nickel Plus Chromium on Plastics
SAE J 1837 : 2017 ELECTROPLATE REQUIREMENTS FOR DECORATIVE CHROMIUM DEPOSITS ON ZINC BASE MATERIALS USED FOR EXTERIOR ORNAMENTATION
SAE AMS 2460 : 2013 PLATING, CHROMIUM

ASTM B 568 : 1998 : R2014 Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry
ASTM B 568 : 1998 : R2021 Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry
ASTM B 504 : 1990 : R2017 Standard Test Method for Measurement of Thickness of Metallic Coatings by the Coulometric Method
ASTM B 504 : 1990 : R2023 Standard Test Method for Measurement of Thickness of Metallic Coatings by the Coulometric Method

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Hardcopy - English
PDF - English
Hardcopy - English
PDF - English
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