团 体 标 准 T/CFA 020101224 --2021 混流式水轮机整铸转轮铸钢件技术 规范 Technical specification s for steel casting s of francis turbine integral cast runners 2021–05–01 发布 2021–08–01 实施 发 布 ICS 77.140.80 CCS J 31 中 国 铸 造 协 会 全国团体标准信息平台 全国团体标准信息平台 T/CFA 020101224 --2021 I 目 次 前言 ................................ ................................ ................................ ................................ ................................ .. III 引言 ................................ ................................ ................................ ................................ ................................ .. IV 1 范围 ................................ ................................ ................................ ................................ .............................. 1 2 规范性引用文件 ................................ ................................ ................................ ................................ .......... 1 3 术语和定义 ................................ ................................ ................................ ................................ .................. 2 4 总体要求 ................................ ................................ ................................ ................................ ...................... 2 5 技术要求 ................................ ................................ ................................ ................................ ...................... 2 5.1 化学成分 ................................ ................................ ................................ ................................ ............... 2 5.2 力学性能 ................................ ................................ ................................ ................................ ............... 3 5.3 表面质量 ................................ ................................ ................................ ................................ ............... 4 5.4 几何形状和尺寸公差 ................................ ................................ ................................ ........................... 4 5.5 无损检测 ................................ ................................ ................................ ................................ ............... 4 5.6 静平衡试验 ................................ ................................ ................................ ................................ ........... 5 6 制造工艺 ................................ ................................ ................................ ................................ ...................... 5 6.1 概述 ................................ ................................ ................................ ................................ ....................... 5 6.2 熔炼 ................................ ................................ ................................ ................................ ....................... 6 6.3 铸造 ................................ ................................ ................................ ................................ ....................... 6 6.4 清理 ................................ ................................ ................................ ................................ ....................... 6 6.5 热处理 ................................ ................................ ................................ ................................ ................... 6 6.6 焊补 ................................ ................................ ................................ ................................ ....................... 6 7 试验方法和检验规则 ................................ ................................ ................................ ................................ .. 6 7.1 试验方法 ................................ ................................ ................................ ................................ ..