ISO 18796-2-2025 包括低碳能源的石油和天然气工业碳钢过程容器的内涂层第2部分：涂层系统选择的要求和指南

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Oil and gas industries including

lower carbon energy — Internal

coating of carbon steel process

vessels —

Part 2:

Requirements and guidance for the

selection of coating systems

Industries du pétrole et du gaz, y compris les énergies à faible

teneur en carbone — Revêtement de protection interne des

récipients de production en acier au carbone —

Partie 2: Exigences et recommandations pour le choix des

systèmes de revêtement

International

Standard

ISO 18796-2

First edition

2025-07

Reference number

ISO 18796-2:2025(en) © ISO 2025

ISO 18796-2:2025(en)











CP 401 • Ch. de Blandonnet 8



Phone: +41 22 749 01 11

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www.iso.org

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ISO 18796-2:2025(en)

Foreword ......................................................................................................................................................................................................................................................v

Introduction ...........................................................................................................................................................................................................................................vi

1 Scope ............................................................................................................................................................................................................................................. 1

2 Normative references ................................................................................................................................................................................................. 1

3 Termsanddefinitions ................................................................................................................................................................................................ 2

4 Abbreviated terms ......................................................................................................................................................................................................... 5

5 Design information for coating selection .............................................................................................................................................. 6

6 Coating material selection report (MSR) ............................................................................................................................................... 6

7 General requirements and guidance for coating evaluation and selection ...................................................... 7

  ........................................................................................................................................... ............................................................................. 7

  ..........................................................................................................................................................................................................7

  ....................................................................................................................................7

  ...................................................................................................................................7

  ...................................................................................................... 8

  ..................................................................................................................................................................................................................... 8

  .............................................................................................................................................. 8

  ............................................................................................................................................. 8

  ................................................................................................................8

  .............................................................................................................................................................. 8

  ............................................................................................................................................................................................9

  ..........................................................................................................................................................................................9

  .................................................................................................................................................................................................9

  ........................................................................................................................................ 10

  ................................................................................................................................10

  ................................................ 10

  ................................................................................................................................................................................10

  ................................................................................................................................................................................10

  ......................................................................................................................................11

  ...........................................................................................................................................................................................11

7.15 C leaning ..................................................................................................................................................................................................................11

  ................................................................................................................................................................................11

8 Coatings .................................................................................................................................................................................................................................. 11

  ..................................................................................................................................................................................................................... 11

  ..........................................................................................................................................................................................11

  ........................................................................................................................................................................... 12

  .......................................................................................................................................................... 12

  ................................................................................................................................................................................ 13

  ................................................................................................................................................................................................. 13

  ........................................................................................................................................................................ 13

  ................................................................................................................................................................. 13

  ........................................................................................................................................................................ 13

9 Protective coating system for use within process vessels ............................................................................................... 14

9.1 Description ...........................................................................................................................................................................................................14

 ............................................................................................ 15

10 Application testing of coatings ...................................................................................................................................................................... 15

11 Performance testing of the coating systems ................................................................................................................................... 16

  .......................................................................................................................................16

  ...........................................................................16

  ................................................................................................................................................................... 16

  .......................................................................................................................................................................16

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摘要：

ISO 18796-2-2025 是石油和天然气工业领域关于碳钢过程容器内涂层系统选择的最新国际标准，重点针对包括低碳能源在内的新型工况需求。该标准为碳钢过程容器的内涂层提供了明确的要求与选择指南，旨在确保涂层系统在高温、高压、腐蚀性介质以及低碳能源（如氢能、碳捕集利用与封存）等严苛环境下具备优异的耐久性和防护性能。通过规范涂层材料的相容性、施工工艺、质量检验及性能评价，本文件帮助工程师和运营方科学选型，降低因涂层失效导致的设备腐蚀、泄漏和安全风险，同时延长容器使用寿命，提升能源生产与储运过程的

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ISO 18796-2-2025 包括低碳能源的石油和天然气工业碳钢过程容器的内涂层第2部分：涂层系统选择的要求和指南

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ISO 18796-2-2025 包括低碳能源的石油和天然气工业碳钢过程容器的内涂层第2部分：涂层系统选择的要求和指南