CSA規格 Z245.20 SERIES, 4th Edition, 2022: Plant-applied external coatings for steel pipe

CSA規格 Z245.20 SERIES, 4th Edition, 2022

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CSA規格 Z245.20 SERIES, 4th Edition, 2022

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CSA Z245.20 SERIES, 4th Edition, 2022: Plant-applied external coatings for steel pipe
CSA規格 Z245.20 SERIES, 第4版, 2022: 工場に適した鋼管用外面塗装 シリーズ 第4版
発行元 CSA Group (CSA)
発行年/月 2022年1月   
装丁 ペーパー
ページ数 157 ページ
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Description

This Standard covers the qualification, application, inspection, testing, handling, and storage of materials required for plant-applied fusion bond epoxy (FBE) coating applied externally to bare steel pipe. The coated pipe is intended primarily for buried or submerged service for oil or gas pipeline systems.

This Standard covers the following coating systems:

a) System 1A: single-layer FBE with a glass transition temperature of 115 °C or less;
b) System 1B: single-layer FBE with a glass transition temperature greater than 115 °C;
c) System 2A: two-layer FBE with an anti-corrosion coating and a protective overcoat;
d) System 2B: two-layer FBE with an anti-corrosion coating and an abrasion-resistant overcoat;
e) System 2C: two-layer FBE with an anti-corrosion coating and an anti-slip overcoat; and
f) System 3: three-layer FBE with an anti-slip overcoat applied over an anti-corrosion coating and a protective overcoat.

In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.