Affiliation: | 1. College of Material Science and Engineering, Xi'an University of Technology, Xi'an, 710048;Welded Pipe Research Institute of Baoji Petroleum Steel Pipe Co., Ltd, Baoji, 721008 2. Welded Pipe Research Institute of Baoji Petroleum Steel Pipe Co., Ltd, Baoji, 721008;Welded Pipe Research Institute of Baoji Petroleum Steel Pipe Co., Ltd, Baoji, 721008 3. College of Material Science and Engineering, Xi'an University of Technology, Xi'an, 710048 4. Welded Pipe Research Institute of Baoji Petroleum Steel Pipe Co., Ltd, Baoji, 721008 |