After more than a month of on-site commissioning, the forging flange project of Jiuquan Tiancheng Company of Western Heavy Industry successfully produced eight kinds of specifications of flanges, with a total weight of more than 40 tons, marking the success of the first stage of the thermal load test of the project. During the test, the flange project department of the company completed the work of equipment elimination, equipment hot test, equipment appearance painting, personnel practical operation training, and information management system application, which laid a solid foundation for the second stage of the hot load test.