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ASTM G18-88(1998)

Historical Revision

Standard Test Method for Joints, Fittings, and Patches in Coated Pipelines

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1.1 This test method describes determination of the comparative corrosion preventative characteristics of materials used for applications to joints, couplings, irregular fittings, and patched areas in coated pipelines. The test method is applicable to materials whose principal function is to act as barriers between the pipe surface and surrounding soil environment.

1.2 The test method described employs measurements of leakage current, capacitance, and dissipation factor to indicate changes in the insulating effectiveness of joint and patching materials.

1.3 This standard does not purport to address all of the safety problems, 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.

1.4 The values stated in SI units to three significant decimals are to be regarded as the standard.


SDO ASTM: ASTM International
Document Number G18
Publication Date July 10, 1998
Language en - English
Page Count 5
Revision Level 88(1998)
Supercedes
Committee D01.48
Publish Date Document Id Type View
July 1, 2007 G0018-07 Revision
July 10, 1998 G0018-88R98 Revision
Aug. 1, 2020 G0018-07R20 Reaffirmation
June 1, 2013 G0018-07R13 Reaffirmation