ASTM G17-07-2020 Standard Test Method for Penetration Resistance of Pipe Coatings (Blunt Rods)

Kahulugan at paggamit
3.1 As the pipe coating is subject to concentrated pressure exerted by the weight of the pipe and the backfill, the test is primarily used to determine the resistance of the coating to penetration or deformation under controlled conditions.

3.1.1 If the coating is not penetrated, the deformation of the compressible coating does not indicate a potential defect in the burial service. Deformation is not comparable to penetration of coating.

ASTM G17-07-2020 Standard Test Method for Penetration Resistance of Pipe Coatings (Blunt Rods)

saklaw
1.1 This accelerated test method is used to determine the relative resistance of steel pipe coatings to penetration or deformation of blunt rods under specified loads. This test method is suitable for the test of all kinds of nonmetallic pipe coatings under various temperatures.

1.2 The value expressed in SI units with three significant decimals shall prevail. Ang mga halaga na ibinigay sa mga panaklong ay para sa sanggunian lamang.

1.3 Ang pamantayang ito ay hindi nilayon upang tugunan ang lahat ng, kung meron man, mga alalahanin sa kaligtasan na nauugnay sa paggamit nito. Responsibilidad ng mga gumagamit ng pamantayang ito na magtatag ng angkop na kaligtasan, mga kasanayan sa kalusugan at kapaligiran at upang matukoy ang pagiging angkop ng mga paghihigpit sa regulasyon bago gamitin.

1.4 Ang internasyonal na pamantayang ito ay batay sa mga prinsipyo ng standardisasyon na kinikilala ng internasyonal na itinatag sa Desisyon sa Internasyonal na Pamantayan, Guidelines and Recommended Principles issued by the WTO Technical Barriers to Trade (TBT) Komite.

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