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ASTM G18-07(2013) pdf

ASTM G18-07(2013)

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

Category:
Standard By:ASTM International, 01/01/2007
Published:2007-01-01
Pages:5
File Size:1 file , 110 KB
Note:This product is unavailable in Russia, Ukraine, Belarus

1.1This 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.

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

1.3The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4This 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.

1.5The 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.

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