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ASTM E690-98

Historical Revision

Standard Practice for In Situ Electromagnetic (Eddy-Current) Examination of Nonmagnetic Heat Exchanger Tubes

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1.1 This practice describes procedures to be followed during eddy-current examination (using an internal, probe-type, coil assembly) of nonmagnetic tubing that has been installed in a heat exchanger. The procedure recognizes both the unique problems of implementing an eddy-current examination of installed tubing, and the indigenous forms of tube-wall deterioration which may occur during this type of service. The document primarily addresses scheduled maintenance inspection of heat exchangers, but can also be used by manufacturers of heat exchangers, either to examine the condition of the tubes after installation, or to establish baseline data for evaluating subsequent performance of the product after exposure to various environmental conditions. The ultimate purpose is the detection and evaluation of particular types of tube integrity degradation which could result in in-service tube failures.

1.2 This practice does not establish acceptance criteria; they must be specified by the using parties.

1.3 This standard does not purport to address the safety problems 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 E690
Publication Date Dec. 10, 1998
Language en - English
Page Count 4
Revision Level 98
Supercedes
Committee E07.07
Publish Date Document Id Type View
June 1, 2015 E0690-15 Revision
June 1, 2010 E0690-10 Revision
Dec. 10, 1998 E0690-98 Revision
June 1, 2020 E0690-15R20 Reaffirmation
Jan. 1, 2004 E0690-98R04E01 Reaffirmation