ICS 27.120.99 F63 中 华 人 民 共 和 国 能 源 行 业 标 准 NB/T 20713—2024 核电厂设备腐蚀控制导则 Corrosion control guidelines for equipment of nuclear power plants 2024 - 05 - 24发布 2024 - 11 - 24实施 国家能源局 发 布 NB/T 20713 —2024 I 目 次 前 言 ............................................................................................................................................................. III 1 范围 .................................................................................................................................................................1 2 规范性引用文件 .............................................................................................................................................1 3 术语和定义 .....................................................................................................................................................1 4 目标与总体要求 .............................................................................................................................................1 4.1 目标...........................................................................................................................................................1 4.2 总体要求 ...................................................................................................................................................2 5 腐蚀控制分级 .................................................................................................................................................2 5.1 分级维度 ...................................................................................................................................................2 5.2 分级方法 ...................................................................................................................................................2 5.3 分级结果 ...................................................................................................................................................2 5.4 腐蚀控制分类管理策略 ...........................................................................................................................3 6 腐蚀效应识别 .................................................................................................................................................3 6.1 识别方法 ...................................................................................................................................................3 6.2 识别原则 ...................................................................................................................................................4 7 腐蚀控制技术 .................................................................................................................................................4 7.1 技术类别 ...................................................................................................................................................4 7.2 技术选用一般要求 ...................................................................................................................................4 7.3 技术选用特定要求 ...................................................................................................................................4 8 腐蚀控制设计 .................................................................................................................................................4 8.1 腐蚀控制设计原则 ...................................................................................................................................4 8.2 腐蚀控制设计分类 ...................................................................................................................................5 9 制造 .................................................................................................................................................................5 10 工程建造 .................................................................................................................