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Normas ASTM – AENOR
ASTM G17-07(2013)

ASTM G17-07(2013)

Standard Test Method for Penetration Resistance of Pipeline Coatings (Blunt Rod)

Fecha:
2020-08-11 /Historical
Superseeded by:
Significance and Use:

3.1 Since pipeline coatings are subjected to concentrated pressures exerted by the weight of the pipe and the backfill, this test is intended primarily for determining the resistance of the coating to penetration or deformation under controlled conditions.

3.1.1 Deformation of a compressible coating does not signify a potential weakness in underground burial service, if the coating is not penetrated. Deformation cannot be compared to penetration into and through a coating.

Scope:

1.1 This accelerated test method is used to determine the relative resistance of steel pipeline coatings to penetration or deformation by a blunt rod under a specified load. The test method is intended to apply to the testing of all types of nonmetallic pipeline coatings subjected to various temperatures.

1.2 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.

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.

Keywords:
blunt rod; coating; compression; deformation; load; penetration; pipeline; resistance
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