voestalpine Böhler Welding

Heavy support for heavy challenges

Success Story

voestalpine Böhler Welding ensures best welding performance in the dam building project in Baihetan/China

Some plates show thicknesses of 260 mm and more. The welders of Harbin Electric Machine Co., Ltd. have to face heavy challenges at this project of the century. Product tests convinced the customer to use voestalpine Böhler Welding products for submerged arc welding and trainings provided by voestalpine Böhler Welding ensure best performance of the company´s welders.

A project of superlatives.
A large hydroelectric dam is under construction on the Jinsha River in the Sichuan and Yunnan provinces in the southwest of China. When completed, the facility will generate power using 16 turbines, each with a generating capacity of 1,000 MW. This will result in a total power output of 16,000 MW, which will then be the second largest hydroelectric power plant in the world after the Three Gorges Dam also in China. The Baihetan dam will also be the third largest in China and the fourth largest in the world in terms of dam volume. Construction began in 2008 and is expected to be finished in 2021.

Best performance as a goal.
Harbin Electrical Machine Co., Ltd. is a machine supplier for this project. This company has to cope with a number of challenges in order to successfully perform their work. For example, the socket ring diameter of the turbine is larger than 14 m and the turbine has a wall thickness of more than 260 mm. This is the first time that the company has to weld such heavy plate parts comprising Q500 steel grades. Furthermore, Harbin Electrical Machine Co. only uses electrodes for welding of Q500 material and efficiency needed to be improved. To perform best the company wanted the best products for submerged arc welding and requested to train their welders in this technique.

voestalpine Böhler Welding at hand with help and advice.
Welding tests conducted for more than a week convinced the customer to use the SAW products of voestalpine Böhler Welding. In combination with intensive training of the customer’s welding personnel, overall production efficiency was improved and welding costs were substantially reduced. Harbin Electrical Machine Co., Ltd. can now rely on expert local support and fast technical assistance. voestalpine Böhler Welding closely cooperates with senior welders of the customer to ensure that product performance is excellent and that the required welding results are met. High-quality electrodes are rapidly supplied at competitive prices whenever needed.