Wind turbine tower flange descriptions：
The figure as shown is Flender's 3539 adapter flange, which has a complicated structure and a very high requirement for process design of casting. Each piece is performed with UT and MT test. 3539 adapter flange is a casting for wind turbine purpose. With the grade of EN-GJS-400-18LT, it needs impact of low temperature up to -20℃ and has a strict requirement for impact toughness. For the adapter flange, our company processes finished product for supply. According to the feedback of customers, the casting and processing quality is excellent.
After being processed by our plant, it is packed with wooden pallet for delivery. The machined surface is applied with special anti-rust oil and the non-machined surface is coated with white primer.