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TM0193-HD1993-SG Laboratory Corrosion Testing of Metals in Static Chemical Cleaning Solutions at Temperatures Below 93 °C (200 °F)-HD1993

Picture for TM0193-Laboratory Corrosion Testing of Metals in Static Chemical Cleaning Solutions at Temperatures Below 93 °C (200 °F)-HD1993
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Method for measuring the relative corrosivity of inhibited solutions used for chemical cleaning in a static system. The tests consist of exposing metallic coupons to cleaning solvents under controlled conditions. Historical Document 1993

Product Number: 21223-HD1993
Author: NACE International
Publication Date: 1993
Industries: Corrosion Monitoring and Control , Test Method
$179.00
$179.00
$179.00

This standard was written to address a number of testing parameters involved in the laboratory corrosion testing of clean metal coupons in static chemical cleaning solutions at temperatures below93°C (200°F). Specifically, this standard addresses those parameters not covered in ASTM D 3263, 'Test Methods for Corrosivity of Solvent Systems for Removing Water-Formed Deposits," 1 including surface-to-volume ratio, inhibitor handling, pitting corrosion, and the reporting procedure. It is intended that these factors will make the reported corrosion rates more useful for comparing chemical cleaning solvents and inhibitors.

It is recognized that, because chemical cleaning solutions are used over a wide range of applications, no universal test method to cover all cases is possible. This standard is  meant to obtain data relevant to the cleaning of industrial equipment, such as boilers, heat exchangers, piping systems, and tanks, using inhibited acid solutions. Note that these tests use clean coupons in a clean solvent and that the severity of corrosion obtained in these tests will not be the same as if actual deposits were present. In addition, this standard test method is the first in a series of NACE standard test methods in the process of being developed specific to the conditions that affect the corrosivity of chemical cleaning solutions.

This NACE standard test method was prepared by NACE Task Group T-3M-5, a component of Unit Committee T-3M on Chemical Cleaning, and is published by NACE International under the auspices of Group Committee T-3 on Corrosion Science and Technology.

1.1 This standard describes a simple method for measuring the relative corrosivity of inhibited solutions used for chemical cleaning in a static system. The tests described are conducted with corrosion coupons in the clean condition (i.e., no deposits).

The tests consist of exposing metallic coupons to cleaning solvents under controlled conditions. The coupons are weighed before and after the test and the corrosion rate is calculated from the weight loss. Localized corrosion such as pitting is also evaluated. Also included are suggested procedures for coupon handling and reporting the results for a better comparison of data among laboratories.

 Historical Document 1993

This standard was written to address a number of testing parameters involved in the laboratory corrosion testing of clean metal coupons in static chemical cleaning solutions at temperatures below93°C (200°F). Specifically, this standard addresses those parameters not covered in ASTM D 3263, 'Test Methods for Corrosivity of Solvent Systems for Removing Water-Formed Deposits," 1 including surface-to-volume ratio, inhibitor handling, pitting corrosion, and the reporting procedure. It is intended that these factors will make the reported corrosion rates more useful for comparing chemical cleaning solvents and inhibitors.

It is recognized that, because chemical cleaning solutions are used over a wide range of applications, no universal test method to cover all cases is possible. This standard is  meant to obtain data relevant to the cleaning of industrial equipment, such as boilers, heat exchangers, piping systems, and tanks, using inhibited acid solutions. Note that these tests use clean coupons in a clean solvent and that the severity of corrosion obtained in these tests will not be the same as if actual deposits were present. In addition, this standard test method is the first in a series of NACE standard test methods in the process of being developed specific to the conditions that affect the corrosivity of chemical cleaning solutions.

This NACE standard test method was prepared by NACE Task Group T-3M-5, a component of Unit Committee T-3M on Chemical Cleaning, and is published by NACE International under the auspices of Group Committee T-3 on Corrosion Science and Technology.

1.1 This standard describes a simple method for measuring the relative corrosivity of inhibited solutions used for chemical cleaning in a static system. The tests described are conducted with corrosion coupons in the clean condition (i.e., no deposits).

The tests consist of exposing metallic coupons to cleaning solvents under controlled conditions. The coupons are weighed before and after the test and the corrosion rate is calculated from the weight loss. Localized corrosion such as pitting is also evaluated. Also included are suggested procedures for coupon handling and reporting the results for a better comparison of data among laboratories.

 Historical Document 1993

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