Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems-Field joint coatings
石油和天然气工业 管道运输系统用埋地或水下管道的外部涂层
发布日期:
2020-05-13
ISO 21809的本部分规定了ISO 13623中定义的石油、石化和天然气行业所用管道运输系统的埋地和水下部分的无缝或焊接钢管的现场接头涂层要求。ISO 21809的本部分规定了管道和配件(部件)焊接后裸露在钢表面上的防腐涂层的鉴定、应用和测试。包含以下内容:BS EN ISO 21809-3:2016
This part of ISO 21809 specifies requirements for field joint coating of seamless or welded steel pipes for buried and submerged sections of pipeline transportation systems used in the petroleum, petrochemical and natural gas industries as defined in ISO 13623. This part of ISO 21809 specifies the qualification, application and testing of the corrosion protection coatings applied to steel surfaces left bare after the joining of pipes and fittings (components) by welding.Incorporates the following:BS EN ISO 21809-3:2016