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ASTM G42

Standard Test Method for Cathodic Disbonding of Pipeline Coatings Subjected to Elevated Temperatures

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Organization: ASTM
Publication Date: 15 November 2011
Status: inactive
Page Count: 8
scope:

This test method describes an accelerated procedure for determining comparative characteristics of insulating coating systems applied to steel pipe exterior for the purpose of preventing or mitigating corrosion that may occur in underground service where the pipe will be exposed to high temperatures and is under cathodic protection. This test method is intended for use with samples of coated pipe taken from commercial production and is applicable to such samples when the coating is characterized by function as an electrical barrier.

his test method is intended for testing coatings submerged or immersed in the test solution at elevated temperature. When it is impractical to submerge or immerse the test specimen, Test Method G95 may be considered where the test cell is cemented to the surface of the coated pipe specimen. If room temperatures are required, see Test Methods G8. If a specific test method is required with no options, see Test Method G80. 

The values stated in SI units to three significant decimals are to be regarded as the standard. The values given in parentheses are for information only.

Warning-Mercury has been designated by EPA and many state agencies as a hazardous material that can cause central nervous system, kidney, and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury-containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA's website (http://www.epa.gov/mercury/faq.htm) for additional information. Users should be aware that selling mercury or mercurycontaining products, or both, in your state may be prohibited by state law.

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.

Document History

November 15, 2011
Standard Test Method for Cathodic Disbonding of Pipeline Coatings Subjected to Elevated Temperatures
This test method describes an accelerated procedure for determining comparative characteristics of insulating coating systems applied to steel pipe exterior for the purpose of preventing or...
ASTM G42
November 15, 2011
Standard Test Method for Cathodic Disbonding of Pipeline Coatings Subjected to Elevated Temperatures
This test method describes an accelerated procedure for determining comparative characteristics of insulating coating systems applied to steel pipe exterior for the purpose of preventing or...
January 1, 1996
Standard Test Method for Cathodic Disbonding of Pipeline Coatings Subjected to Elevated Temperatures
This test method describes an accelerated procedure for determining comparative characteristics of insulating coating systems applied to steel pipe exterior for the purpose of preventing or...
January 1, 1996
Standard Test Method for Cathodic Disbonding of Pipeline Coatings Subjected to Elevated Temperatures
1. Scope 1.1 This test method describes an accelerated procedure for determining comparative characteristics of insulating coating systems applied to steel pipe exterior for the purpose of preventing...
May 25, 1990
STANDARD TEST METHOD FOR CATHODIC DISBONDING OF PIPELINE COATINGS SUBJECTED TO ELEVATED TEMPERATURES
A description is not available for this item.
January 25, 1985
STANDARD METHOD FOR CATHODIC DISBONDING OF PIPELINE COATINGS SUBJECTED TO ELEVATED TEMPERATURES
A description is not available for this item.

References

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