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ASTM A428/A428M-10(2014)

Historical Reaffirmation

Standard Test Method for Weight [Mass] of Coating on Aluminum-Coated Iron or Steel Articles

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1.1 This test method covers procedures for determining the weight [mass] of coating on aluminum-coated iron or steel sheets and wire, and on other aluminum-coated iron and steel articles.

1.2 The final results determined by this test method shall be expressed in inch-pound units or SI units, depending on the units used in the material specification to which the results are to be compared. Certain portions of the procedure involving determination of specimen weight [mass] have traditionally been performed in SI units, and corresponding inch-pound units are not included.

1.3 For sheet products, the final results are expressed as either coating weight [mass] total both sides, or coating weight [mass] separately on each side, depending on the specified requirements.

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 and health practices and determine the applicability of regulatory limitations prior to use. For a specific precautionary statement, see Note 1.


3.1 This test method provides a standard method of determining the weight [mass] of coating for comparison with specification requirements. A coating of aluminum on iron or steel articles provides protection against corrosion by forming a relatively inert barrier. Specifications for aluminum-coated articles occasionally provide for different classes (weights) [masses] of coating so that the purchaser can select the coating weight [mass] most suited to his needs. The heavier coating will provide greater protection against mechanical damage which may break the coating.

SDO ASTM: ASTM International
Document Number A428
Publication Date Aug. 1, 2014
Language en - English
Page Count 6
Revision Level 10(2014)
Supercedes
Committee A05.07
Publish Date Document Id Type View
May 1, 2021 A0428_A0428M-21 Revision
May 1, 2010 A0428_A0428M-10 Revision
Nov. 1, 2006 A0428_A0428M-06 Revision
April 10, 2001 A0428_A0428M-95 Revision
April 10, 2001 A0428_A0428M-01 Revision
May 1, 2019 A0428_A0428M-10R19 Reaffirmation
Aug. 1, 2014 A0428_A0428M-10R14 Reaffirmation