ASTM D 6676 Standard Test Method for Cathodic Disbonding of Exterior Pipeline Coatings at Elevated Temperatures Using Interior Heating
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ASTM D 6676 Document Information:
Title
Standard Test Method for Cathodic Disbonding of Exterior Pipeline Coatings at Elevated Temperatures Using Interior Heating
ASTM International
Publication Date:
May 10, 2001
Scope:
Scope
This test method describes an accelerated procedure for
determining comparative characteristics
of coating systems applied to the exterior of steel pipe for the
purpose of preventing or
mitigating corrosion that may occur in under-ground or immersion where
the pipe is carrying heated
media and is under cathodic protection. This test method is intended
for use with samples of coated
pipe, or with a specimen cut from the section of coated pipe or flat
plates, and is applicable to
such samples when the coating is characterized by function as an
electrical barrier.
This test method is intended to simulate conditions when external
coatings are exposed to high
temperature inside the pipe and to an ambient temperature outside, and
thus are subjected to
temperature gradient. If elevated temperatures are not required, see
Test Method G 8. If a specific
test method is required with no options, see Test Method G 80. If
elevated temperatures are
required but without temperature gradient, see Test Method G 42.
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.
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.
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