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ASTM G96-90(1996)E1

Standard Guide for Online Monitoring of Corrosion in Plant Equipment (Electrical and Electrochemical Methods)
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ASTM G96-90(1996)E1

Standard Guide for Online Monitoring of Corrosion in Plant Equipment (Electrical and Electrochemical Methods)

PUBLISH DATE 1990
PAGES 10
ASTM G96-90(1996)E1

1.1 This guide outlines the procedure for conducting on-line corrosion monitoring of metals in plant equipment under operating conditions by the use of electrical or electrochemical methods. Within the limitations described, these test methods can be used to determine cumulative metal loss or instantaneous corrosion rate, intermittently or on a continuous basis, without removal of the monitoring probes from the plant.

1.2 The following test methods are included: Test Method A for electrical resistance, and Test Method B for polarization resistance.

1.2.1 Test Method A provides information on cumulative metal loss, and corrosion rate is inferred. This test method responds to the remaining metal thickness except as described in Section 5.

1.2.2 Method B is based on electrochemical measurements for determination of instantaneous corrosion rate but may require calibration with other techniques to obtain true corrosion rates. Its primary value is the rapid detection of changes in the corrosion rate that may be indicative of undesirable changes in the process environment.

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. Specific precautionary statements are given in 5.6.

SDO ASTM: ASTM International
Document Number G96
Publication Date March 30, 1990
Language en - English
Page Count 10
Revision Level 90(1996)E1
Supercedes
Committee G01.12
Publish Date Document Id Type View
Feb. 1, 2026 G0096-90R26 Revision
May 1, 2018 G0096-90R18 Revision
Aug. 1, 2013 G0096-90R13 Revision
Aug. 15, 2008 G0096-90R08 Revision
March 30, 1990 G0096-90R01E01 Revision
March 30, 1990 G0096-90R96E01 Revision
March 30, 1990 G0096-90R96E01 Revision