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ASTM E55-23

Current Revision

Standard Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition

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1.1 This practice covers the sampling, for the determination of chemical composition (Note 1), of nonferrous metals and alloys that have been reduced to their final form by mechanical working; that is, by such means as rolling, drawing, and extruding.

1.1.1 Refer to Practice E255 for copper and copper alloys.

Note 1: The selection of correct portions of material and the preparation of a representative sample from such portions are necessary prerequisites to every analysis, the analysis being of no value unless the sample actually represents the average composition of the material from which it was selected.

1.2 In special cases, when agreed upon by the purchaser and the manufacturer, the heat analysis may be accepted as representative of the composition of the finished product. In such cases, the identity of each heat of metal should be maintained through each stage of the manufacturing process to the final form. This method of sampling is not intended to apply under these conditions.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.4 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.

1.5 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.


This practice covers the sampling, for the determination of chemical composition of nonferrous metals and alloys that have been reduced to their final form by mechanical working; that is, by such means as rolling, drawing, and extruding. The portion selection, sample preparation, sampling details, sample size and storage, and resampling are also detailed.


SDO ASTM: ASTM International
Document Number E55
Publication Date June 1, 2023
Language en - English
Page Count 3
Revision Level 23
Supercedes
Committee E01.05
Publish Date Document Id Type View
June 1, 2023 E0055-23 Revision
Nov. 1, 2022 E0055-11R22E01 Revision
Feb. 1, 2011 E0055-11 Revision
Sept. 1, 2017 E0055-11R17 Reaffirmation
Oct. 1, 2005 E0055-91R05 Reaffirmation
Jan. 1, 2001 E0055-91R01 Reaffirmation
Jan. 1, 2001 E0055-91R96 Reaffirmation