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ASTM E1312-99

Historical Revision

Standard Practice for Electromagnetic (Eddy Current) Examination of Ferromagnetic Cylindrical Bar Product Above the Curie Temperature

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1.1 This practice describes procedures for eddy-current examination of hot ferromagnetic bars above the Curie temperature where the product is essentially nonmagnetic, but below 2100°F (1149°C).

1.2 This practice is intended for use on bar products having diameters of 1/2 in. (12.7 mm) to 8 in. (203 mm) at linear throughput speeds up to 1200 FPM (366 MPM). Larger or smaller diameters may be examined by agreement between the using parties.

1.3 The purpose of this document is to provide a procedure for in-line eddy-current inspection of bars during processing for the detection of major or gross surface discontinuities.

1.3.1 The types of discontinuities capable of being detected are commonly referred to as: slivers, laps, seams, roll-ins (scale, dross, etc.) and mechanical damage such as scratches, scores or indentations.

1.4 This practice does not establish acceptance criteria. They must be specified by agreement between the using parties.

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.


SDO ASTM: ASTM International
Document Number E1312
Publication Date Sept. 10, 1999
Language en - English
Page Count 3
Revision Level 99
Supercedes
Committee E07.07
Publish Date Document Id Type View
July 1, 2024 E1312-24 Revision
June 1, 2018 E1312-18 Revision
June 1, 2009 E1312-09 Revision
Sept. 10, 1999 E1312-99 Revision
July 15, 2013 E1312-09R13E01 Reaffirmation
May 1, 2004 E1312-99R04E01 Reaffirmation