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ASTM G62 PDF

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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Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

This may be considered to be a nondestructive test because of the relatively low voltage. No items in cart.

ASTM-G62, –

Divide this voltage by the known coating thickness to obtain the amount of volts per millimetre mil. Plug the searching electrode into the holiday detector. The values given in parentheses are for information only. Plug the ground wire into the holiday detector. It should be noted, however, that this method will not detect thin spots in the coating, even those as thin as 0.

Specimens that were not adjacent in the as-produced condition, or were taken from different lengths of pipe, may represent differing process conditions. This may be considered to be a nondestructive test because of the relatively low voltage. Enter your account email address to request a astn reset: Procedure for Method A Link to Active This link will always route to the current Active version of the standard.

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A ground wire connects the detector with the low-resistance metal surface. Clip the ground wire to some point where the metal surface is bare.

This method can be used to verify minimum coating thicknesses as well as voids satm quality-control applications. When a holiday is detected by the audible alarm, the electrode can be repositioned to determine asmt exact holiday area by observing the origin of the spark jump. For polymeric precoated corrugated steel pipe, the reporting requirements of Speci?

Originally published as G 62 — This may be considered to be a nondestructive test because of the relatively low voltage. Please login to your authorized staff account to use this feature.

The detector will ring if it passes any void, pinhole, or area of the coating thinner than the minimum allowable thickness. This may be considered to be a nondestructive test because of the relatively low voltage. This method will determine the existence of any gross faults in thin-? Current edition approved Sept. 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.

This method will not, however, find any thin spots in the coating. It is effective on?

ASTM G62 – 14

Then tighten the clamps with 6g2 screw until they are well down into the sponge electrode. FORMAT Single User Subscription Site License Subscription BOOKS All Books PACKAGES All Axtm EDITION to PUBLISHER.

This method is considered destructive because the high voltages involved generally destroy the coating at thin spots. Historical Version s – view previous versions of standard. Search book title Enter keywords for book title search. 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. F Standard Specification for Driven Fasteners: A superscript epsilon e indicates an editorial change since the last revision or reapproval.

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If the surface is in an environment where electrolytes might form on the surface, such as salt spray, wash the coated surface with fresh water and allow to dry before testing. Land Use and Development. Nails, Spikes, and Staples. Asrm comments are awtm either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

This method will not, however,? Dryness is critical in a high voltage test. Therefore, they are useful for testing voids, pinholes and thin spots in the coating, but would not be useful as a coating thickness quality control tool. This is asmt important if formed surfaces are to be inspected. Most units can be reset to any predetermined sensitivity value in this manner.

The detector is now ready to operate by passing the damp sponge over the coated surface. This method will determine the existence of any gross faults in thin-film pipeline coatings. Historical Version s – view previous versions of standard Translated Version s: