Download or read book GB T 21447 2018 Translated English of Chinese Standard GBT 21447 2018 GB T21447 2018 GBT21447 2018 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-10-05 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the minimum requirements for the design, construction, and management, etc. of steel pipeline external corrosion control engineering, including basic provisions, anticorrosion coating design, cathodic protection design, interference mitigation, construction and acceptance, operation and maintenance management, and other contents. This Standard is applicable to the external corrosion control of oil, gas, and water pipelines, which are newly-built, expanded, and re-built overland and subsea, with conveying medium temperature of less than 100 Celcius.