《Q-CNPC 38-2016埋地钢质管道双层熔结环氧粉外涂层技术规范》.pdf

Q/CNPC 中国石油天然气集团公司企业标准 Q/CNPC38-2002 埋地钢质管道双层熔结环氧粉末外涂层 技术规范 Technicalspecificationofexternaldual一layerfusionbonded epoxypowdercoatingforburiedsteelpipe 2002一01一30发布 2002一06一01实施 中国石油天然气集团公司 发 布 Q/CNPC38-2002 目 次 前言 ························，·····································，············································…… II 1 范围 ·············································································································…… 1 2 规范性引用文件 ·······，····················································，················，············…·… 1 3 一般规定 ································································································…… 1 4双层环氧粉末外涂层结构和类型 ·······················································.·.·.·……，二2 5 材料 ····································································································，···…… 2 5.1 钢管 ·······················································································，··········…… 2 5.2 环氧粉末 ······························································，·································…… 2 6 双层环氧粉末涂层涂敷 ····················································································…·…3 7 质量检验 ··········。···························································································…… 4 7.1 涂敷前检验 ··········································，··················································…… 4 7.2 涂敷过程质量检验 ························································································…·…4 7.3外涂层钢管的出厂检验 ·····································································