ASTM C783-85(2020)

ASTM C783-85(2020) is a standard published by ASTM International. Its full title is "Standard Practice for Core Sampling of Graphite Electrodes". This standard covers: SIGNIFICANCE AND USE 4.1 Core sampling is an acceptable way of obtaining a test specimen without destroying the usefulness of the electrode. 4.1.1 Test specimens obtained by this practice can be used by producers and users of graphite electrodes for the purpose of conducting the tests in Note 1 to obtain comparative physical properties. 4.2 This practice may not provide a test specimen of the appropriate size (with respect to particle size/sample dimension ratios) to allow the determination of absolute property values. SCOPE 1.1 This practice was developed for electric-arc furnace graphite electrodes, and covers a procedure and equipment for obtaining core samples from electrodes in a manner that does not destroy the electrode nor prevent its subsequent use as originally intended. However, the minimum electrode diameter, for which extraction of a core sample using this practice does not influence subsequent use, is influenced by the particular application and must be determined by the user. Graphite electrodes for use in electric arc furnaces are usually solid cylinders of graphite with threaded sockets machined in each end. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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. Note 1: The following ASTM standards are noted as sources of useful information: Test Methods C559, C611, C651, C747, C1025, and C1039. 1.4 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.

SIGNIFICANCE AND USE 4.1 Core sampling is an acceptable way of obtaining a test specimen without destroying the usefulness of the electrode. 4.1.1 Test specimens obtained by this practice can be used by producers and users of graphite electrodes for the purpose of conducting the tests in Note 1 to obtain comparative physical properties. 4.2 This practice may not provide a test specimen of the appropriate size (with respect to particle size/sample dimension ratios) to allow the determination of absolute property values. SCOPE 1.1 This practice was developed for electric-arc furnace graphite electrodes, and covers a procedure and equipment for obtaining core samples from electrodes in a manner that does not destroy the electrode nor prevent its subsequent use as originally intended. However, the minimum electrode diameter, for which extraction of a core sample using this practice does not influence subsequent use, is influenced by the particular application and must be determined by the user. Graphite electrodes for use in electric arc furnaces are usually solid cylinders of graphite with threaded sockets machined in each end. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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. Note 1: The following ASTM standards are noted as sources of useful information: Test Methods C559, C611, C651, C747, C1025, and C1039. 1.4 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.

ASTM C783-85(2020) is classified under the following ICS (International Classification for Standards) categories: 71.100.99 - Other products of the chemical industry. The ICS classification helps identify the subject area and facilitates finding related standards.

ASTM C783-85(2020) has the following relationships with other standards: It is inter standard links to ASTM C783-85(2015), ASTM C747-23, ASTM C651-20, ASTM C559-16(2020), ASTM C747-16, ASTM C559-16, ASTM C1025-15, ASTM C651-15, ASTM C651-13, ASTM C651-11, ASTM C611-98(2010)e1, ASTM C1025-91(2010)e1, ASTM C747-93(2010)e1, ASTM C559-90(2010), ASTM C1039-85(2010)e1. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

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