ASTM A754/A754M - 18 - Standard Test Method for Coating Weight (Mass) of Metallic Coatings on Steel by X-Ray Fluorescence

ASTM A754/A754M - 18

Standard Test Method for Coating Weight (Mass) of Metallic Coatings on Steel by X-Ray Fluorescence

Status : Current   Published : May 2018

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1.1 This test method covers the use of X-ray fluorescence (XRF) for determining the coating weight (mass) of metallic coatings on steel sheet. The test method is intended to be used for “on-line” measurements of coating on continuous production lines.

1.2 This test method is applicable to the coatings covered by the following ASTM specifications: A463/A463M, A599/A599M, A623, A623M, A653/A653M, A792/A792M, A875/A875M, A879/A879M, A918, A924/A924M, A1046/A1046M, A1063/A1063M, and A1079. It may be applicable to other coatings, providing that the elemental nature of the coating and substrate are compatible with the technical aspects of XRF such as the absorption coefficient of the system, primary radiation, fluorescent radiation, type of detection.

1.3 This test method includes the procedure for developing a single standard determination of coating weight (mass).

1.4 This test method includes procedures for both X-ray tube and isotope coating weight (mass) measuring instruments.

1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

1.6  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.

1.7  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.




Standard NumberASTM A754/A754M - 18
TitleStandard Test Method for Coating Weight (Mass) of Metallic Coatings on Steel by X-Ray Fluorescence
StatusCurrent
Publication Date01 May 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Aluminum zinc-coating, coating, coating weight (mass), coatings-metallic, metallic coated, sheet, steel sheet, tin mill products, X-ray fluorescence, zinc coating, zinc aluminum coating
ICS17.040.20
PublisherASTM
FormatA4
DeliveryYes
Pages8
File Size160 KB
Price£40.00


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