根据ISO 13623，BS EN ISO 21809-1:2018规定了石油和天然气行业管道运输系统焊接钢管和无缝钢管防腐用工厂涂敷外部三层聚乙烯和聚丙烯基涂层的要求。交叉引用:ISO 21809-2ISO 8503-4ISO 8130-2ISO 2808ISO 8502-9ISO 1133-1ISO 3183ISO 11357-6SSPC-AB 2ISO 8502-6ISO 4892-2:2013ISO 10474:2013EN 10204:2004ISO 8501-1:2007ISO 1183（所有部分）ISO 3251ISO 6964ISO 8502-3SSPC-AB 3ISO 19069-2ISO 10350-1SSPC-指南15ASTM D1505ISO 179-1ISO 8130-7ISO 2811D4940ISO 8130-3ISO 527-2SSPC-AB 1ISO 15512SSPC-SP 1ISO 179-2ISO 8503-5ISO 11357-2ISO 11124（所有部分）ISO 868ISO 527-1ISO 13623:2017ISO 9001ISO 294-1NACE SSPC-SP 10ISO 14001NACE SSPC-SP 5ASTM E29购买本文件时提供的所有当前修订版。

BS EN ISO 21809-1:2018 specifies requirements for plant-applied external three-layer polyethylene and polypropylene based coatings for corrosion protection of welded and seamless steel pipes for pipeline transportation systems in the petroleum and natural gas industries in accordance with ISO 13623.Cross References:ISO 21809-2ISO 8503-4ISO 8130-2ISO 2808ISO 8502-9ISO 1133-1ISO 3183ISO 11357-6SSPC-AB 2ISO 8502-6ISO 4892-2:2013ISO 10474:2013EN 10204:2004ISO 8501-1:2007ISO 1183 (all parts)ISO 3251ISO 6964ISO 8502-3SSPC-AB 3ISO 19069-2ISO 10350-1SSPC-Guide 15ASTM D1505ISO 179-1ISO 8130-7ISO 2811 (all parts)ASTM D792ISO 11126 (all parts)ISO 306ISO 17855-2ISO 18553ASTM D1693ISO 80000-1ASTM D4940ISO 8130-3ISO 527-2SSPC-AB 1ISO 15512SSPC-SP 1ISO 179-2ISO 8503-5ISO 11357-2ISO 11124 (all parts)ISO 868ISO 527-1ISO 13623:2017ISO 9001ISO 294-1NACE SSPC-SP 10ISO 14001NACE SSPC-SP 5ASTM E29All current amendments available at time of purchase are included with the purchase of this document.