Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM E2142-01

Standard Test Methods for Rating and Classifying Inclusions in Steel Using the Scanning Electron Microscope

Standard Test Methods for Rating and Classifying Inclusions in Steel Using the Scanning Electron Microscope E2142-01 ASTM|E2142-01|en-US Standard Test Methods for Rating and Classifying Inclusions in Steel Using the Scanning Electron Microscope Standard new BOS Vol. 03.01 Committee E04
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Scope

1.1 This test method covers procedures to obtain particle size distribution, chemical classification, and E45 ratings of inclusions in steels using an automated scanning electron microscope (SEM) with X-ray analysis and automatic image analysis capabilities.

1.2 There are three discrete methods described. Method 1 is the SEM analog of E1122, which uses image analysis and light microscopy to produce automated E45 ratings. Method 2 produces similar ratings based predominantly on sorting inclusions by chemistry into the traditional classes defined in E45. Method 3 is recommended when explicit detail is needed on particular inclusion types, not necessarily defined in E 45, such as to verify the composition of inclusions in inclusion-engineered steel. Method 3 reports stereological parameters such as volume or number fraction, rather than E45 type ratings.

1.3 This test method deals only with the recommended test methods and nothing in it should be construed as defining or establishing limits of acceptability for any grade of steel or other alloy where the method is appropriate.

1.4 The values stated in SI units are to be regarded as the standard. Values in parentheses are conversions and are approximate, and for information only.

1.5 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.

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Details
Book of Standards Volume: 03.01
Developed by Subcommittee: E04.11
Pages: 16
DOI: 10.1520/E2142-01
ICS Code: 77.140.01