ASTM G62 PDF

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Documents Similar To ASTM Gpdf. ASTM Gpdf. Uploaded by. Diego Mauricio Rozo · QCF Holiday Test. Uploaded by. minhnn. ASTM G (Reapproved )e1 – Designation: G 62 – 87 (Reapproved )e1 Standard Test Metho. Purchase your copy of ASTM G62 – 14 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available.

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This is used more commonly with Method B where voltage may vary from test to test but can also be used for veri? Reagents and Materials 7. This is particularly important if formed surfaces are to be inspected.

When a holiday is detected by the audible alarm, the electrode can be repositioned to determine the exact holiday area by observing the origin of the spark jump. Turn on the atm detector.

This method will determine the existence of any gross faults in thin-film pipeline coatings. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

It should be noted, however, that this method will not detect thin spots in the coating, even those as thin as 0. It is effective on films up to 0. Dryness is critical in a high voltage test. Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend.

Increase the holiday detector voltage over a known coating thickness and measure the voltage at the point where the detector will just begin to ring. Current edition approved Sept. A number in parentheses indicates the year of last reapproval. This book also exists in the following packages FORMAT Single User Subscription Site License Subscription BOOKS All Books PACKAGES All Packages EDITION to PUBLISHER. Plug the ground wire into the holiday detector. 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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NOTE 1—Ordinary tap water will suffice to wet the sponge electrode when inspecting coatings up to 0. Active view current version of standard.

ASTM G (Reapproved )e1_百度文库

This method can be used on asm thickness of pipeline coating and utilizes applied voltages between and 20 V d-c. Because of the high voltages involved, do not touch the ground wire and the metal part of the electrode at the same time if the instrument is on.

This standard does not purport to address all of the safety concerns, if any, associated with its use. F Standard Specification for Driven Fasteners: This may be considered to be a nondestructive test because of the relatively low voltage. Attach the ground wire lead with battery clamp and the wand to the terminals.

It should be noted, however, that this method will not detect thin spots in the coating, even those as thin as 0. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

This electrical contact will activate an alarm alerting the operator of the incidence of a holiday.

ASTM G62 – 14 Standard Test Methods for Holiday Detection in Pipeline Coatings

The values given in parentheses are for information only. The values given in parentheses are for information only. Ast, Version s – view previous versions of standard. 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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Take care to keep the electrode at least It is effective on? This method can be used to verify minimum coating aztm as well as voids in quality-control applications. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Your comments are invited either for revision of this standard g2 for additional standards and should be addressed to ASTM International Headquarters.

ASTM G62 – 14

Link to Active This link will always route to the current Active version of the standard. This method can be used to verify minimum coating thicknesses as well as voids in quality-control applications. Historical Version s – view previous versions of standard Translated Version s: Click here to download full list of books.

Enter your personal account email address to request a password reset: It should be noted, however, that this method will not detect thin spots in the coating.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.