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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.

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.

Keywords

Condenser and heat exchanger systems; Electromagnetic (eddy current) testing; Nonmagnetic heat exchanger tubes; in-situ electromagnetic (eddy-current) examination of nonmagnetic heat; exchanger tubes, practice; ICS Number Code 27.060.30 (Boilers and heat exchangers)

To find similar documents by ASTM Volume:

03.03 (Nondestructive Testing)

To find similar documents by classification:

27.060.30 (Boilers and heat exchangers Including steam pressure vessels Heat exchangers for medical use, see 11.040.10 Heat exchangers for the chemical industry, see 71.120.30 Heat exchangers for the petroleum and natural gas industry, see 75.180.20 Heating appliances for buildings, see 97.100)

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