ASTM-G70 2007(Redline)

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G70-07 Standard Test Method for Ring Bendability of Pipeline Coatings (Squeeze Test) (Redline)

Published By	Publication Date	Number of Pages
ASTM	2007	6

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Categories: 25.220.20 - Surface treatment, ASTM

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Description

Significance and Use

The method will provide information on the ability of pipeline coatings to resist cracking, spalling, or other mechanical damage as a result of bending. If the test is applied to coated pipe samples from commercial production, the results can be used in the selection of similar materials for service. The test has application as a quality control method when variations in coating application or material formulation may affect bending performance.

1. Scope

1.1 This method covers testing the relative resistance of pipeline coatings to cracking and spalling from deformation of the pipe by observing the effects of diametral compression of ring samples. The method is limited to thin film coatings having an elongation not exceeding 5.0 %.

1.2 The values stated in SI units 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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

G12 Test Method for Nondestructive Measurement of Film Thickness of Pipeline Coatings on Steel G62 Test Methods for Holiday Detection in Pipeline Coatings

Keywords

bendability; coating; compression; deformation; pipeline; ring sample; squeeze;

ICS Code

ICS Number Code 25.220.20 (Surface treatment)

DOI: 10.1520/G0070-07 ASTM International is a member of CrossRef.

ASTM G70 (Paint and Related Coating Standards)

Citing ASTM Standards

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Additional information

Standard Title	G70-07 Standard Test Method for Ring Bendability of Pipeline Coatings (Squeeze Test) (Redline)
Published Code	ASTM
Publication Date	2007
Pages Count	6
ICS Codes	25.220.20 - Surface treatment

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ASTM-G70 2007(Redline)

ASTM G70 (Paint and Related Coating Standards)

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