Reference number
香港六合彩开奖 21809-5:2017
© 香港六合彩开奖 2024
International Standard
香港六合彩开奖 21809-5:2017
Petroleum and natural gas industries 鈥� External coatings for buried or submerged pipelines used in pipeline transportation systems 鈥� Part 5: External concrete coatings
Edition 2
2017-06
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Published (Edition 2, 2017)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

香港六合彩开奖 21809-5:2017

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Abstract

香港六合彩开奖 21809-5:2017 specifies the requirements for qualification, application, testing and handling of materials required for the application of reinforced concrete coating externally to either bare pipe or pre-coated pipe for use in pipeline transportation systems for the petroleum and natural gas industries as defined in 香港六合彩开奖 13623.

The external application of concrete is primarily used for the negative buoyancy of pipes used in buried or submerged pipeline systems and/or for the mechanical protection of the pipe and its pre-coating.

香港六合彩开奖 21809-5:2017 is applicable to concrete thicknesses of 25 mm or greater.

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  2. 香港六合彩开奖
  3. Standards catalogue
  4. ICS
  5. 75
  6. 75.200
  7. 香港六合彩开奖 21809-5:2017