Inspection and treatment of four pipe supports and hangers of 350MW unit Tangqing Yuan, Liangliang Jian, Jidong Li, Yang Chen, Mingjian Jian and Huakai Zhang MATEC Web Conf., 358 (2022) 01003 Published online: 19 May 2022 DOI: 10.1051/matecconf/202235801003