ASTM-E690 2004

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E690-98(2004)e1 Standard Practice for In Situ Electromagnetic (Eddy-Current) Examination of Nonmagnetic Heat Exchanger Tubes

Published By	Publication Date	Number of Pages
ASTM	2004	4

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Categories: 27.060.30 - Boilers and heat exchangers, ASTM

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Description

ASTM E690-98-e1-Reapproved2004

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

ASTM E690

Scope

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.

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.

Keywords

eddy-current; electromagnetic; NDT; nondestructive testing

ICS Code

ICS Number Code 27.060.30 (Boilers and heat exchangers)

DOI: 10.1520/E0690-98R04E01

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Practice Significance and Use
2	Basis of Application Apparatus
3	Reference Standards
4	Adjustment and Standardization of Apparatus Sensitivity Procedure Report Keywords

Additional information

Standard Title	E690-98(2004)e1 Standard Practice for In Situ Electromagnetic (Eddy-Current) Examination of Nonmagnetic Heat Exchanger Tubes
Published Code	ASTM
Publication Date	2004
Pages Count	4
ICS Codes	27.060.30 - Boilers and heat exchangers