ASTM C783-85(2015)
Standard Practice for Core Sampling of Graphite Electrodes
- Standard No.
- ASTM C783-85(2015)
- Release Date
- 1985
- Published By
- American Society for Testing and Materials (ASTM)
- Status
- Replace By
- ASTM C783-85(2020)
- Latest
- ASTM C783-85(2020)
- Scope
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.
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 and health 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.
ASTM C783-85(2015) Referenced Document
- ASTM C1025 Standard Test Method for Modulus of Rupture in Bending of Electrode Graphite*， 1991-04-20 Update
- ASTM C1039 Standard Test Methods for Apparent Porosity, Apparent Specific Gravity, and Bulk Density of Graphite Electrodes*， 2020-12-01 Update
- ASTM C559 Standard Test Method for Bulk Density by Physical Measurements of Manufactured Carbon and Graphite Articles*， 1990-04-20 Update
- ASTM C611 Standard Test Method for Electrical Resistivity of Manufactured Carbon and Graphite Articles at Room Temperature*， 1998-04-20 Update
- ASTM C651 Standard Test Method for Flexural Strength of Manufactured Carbon and Graphite Articles Using Four-Point Loading at Room Temperature*， 2010-05-01 Update
- ASTM C747 Standard Test Method for Moduli of Elasticity and Fundamental Frequencies of Carbon and Graphite Materials by Sonic Resonance*， 1993-04-20 Update
ASTM C783-85(2015) history
- 2020 ASTM C783-85(2020) Standard Practice for Core Sampling of Graphite Electrodes
- 1985 ASTM C783-85(2015) Standard Practice for Core Sampling of Graphite Electrodes
- 1985 ASTM C783-85(2010)e1 Standard Practice for Core Sampling of Graphite Electrodes
- 1985 ASTM C783-85(2005) Standard Practice for Core Sampling of Graphite Electrodes
- 1985 ASTM C783-85(2000) Standard Practice for Core Sampling of Graphite Electrodes
