标准摘要
[中文适用范围]： 广泛，既适用于传统油气输送管道，也兼顾了新兴低碳能源输送网络的建设需求，为行业提供了标准化的技术指导方案，促进相关工程项目的规范化实施。 [外文原描述]： This document specifies the requirements for qualification, application, inspection, testing, handling and storage of materials for plant application of two-layer polyethylene coatings (2-layer PE) applied externally for the corrosion protection of bare steel pipe for use in pipeline transportation systems for oil and gas industries as defined in ISO 13623. NOTE Pipes coated in accordance with this document are considered suitable for additional protection by means of cathodic protection.
英文名称Oil and gas industries including lower carbon energy — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 4: Polyethylene coatings (2-layer PE)