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ASTM E45-05e1

Historical Revision

Standard Test Methods for Determining the Inclusion Content of Steel

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1.1 These test methods cover a number of recognized procedures for determining the nonmetallic inclusion content of wrought steel. Macroscopic methods include macroetch, fracture, step-down, and magnetic particle tests. Microscopic methods include five generally accepted systems of examination. In these microscopic methods, inclusions are assigned to a category based on similarities in morphology, and not necessarily on their chemical identity. Metallographic techniques that allow simple differentiation between morphologically similar inclusions are briefly discussed. While the methods are primarily intended for rating inclusions, constituents such as carbides, nitrides, carbonitrides, borides, and intermetallic phases may be rated using some of the microscopic methods. In some cases, alloys other than steels may be rated using one or more of these methods; the methods will be described in terms of their use on steels.

1.2 This practice covers procedures to perform JK-type inclusion ratings using automatic image analysis in accordance with microscopic methods A and D.

1.3 Depending on the type of steel and the properties required, either a macroscopic or a microscopic method for determining the inclusion content, or combinations of the two methods, may be found most satisfactory.

1.4 These test methods deal only with recommended test methods and nothing in them should be construed as defining or establishing limits of acceptability for any grade of steel.

1.5 The values stated in SI units are to be regarded as the standard. Values in parentheses are conversions and are approximate.

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.


SDO ASTM: ASTM International
Document Number E45
Publication Date Nov. 1, 2005
Language en - English
Page Count 19
Revision Level 05e1
Supercedes
Committee E04.09
Publish Date Document Id Type View
June 1, 2018 E0045-18A Revision
Feb. 1, 2018 E0045-18 Revision
May 1, 2013 E0045-13 Revision
Oct. 1, 2011 E0045-11A Revision
June 1, 2011 E0045-11 Revision
Nov. 1, 2010 E0045-10E01 Revision
Nov. 1, 2010 E0045-10 Revision
Nov. 1, 2005 E0045-05E03 Revision
Nov. 1, 2005 E0045-05E02 Revision
Nov. 1, 2005 E0045-05E01 Revision
Nov. 1, 2005 E0045-05 Revision
Sept. 28, 1999 E0045-97E02 Revision
Nov. 1, 2023 E0045-18AR23 Reaffirmation
April 10, 1997 E0045-97R02 Reaffirmation