Wind Turbine Tubular Tower Flange

Dimension:    Outside diameter up to 4800mm

                       Inside  diameter up to 4600mm

                       Thickness up to 400mm

Material    :     S355NL Z25, S355JR, Q345E, S355J2 with LF+VD process

Process   :     Forging + Ring Rolling+ heat treatment (N)+final machining

Test and certificate :   According to customer's requirements.

Normally we offered:  1. Raw material certificate (material chemical composition)

                                              2. Heat treatment sheet report

                                              3. Dimension inspection report

                                              4. UT test report

Package          :         Seaworthy plywood packged on steel pallets  as customer's request

Delivery Status:        Final machining according to customer's drawings.

                                    Rough machining products are also available.

Delivery Date :          Decided by the amount and dimensions of wind tower flanges.

Usually we control the large diameter flanges' delivery time within 5 weeks after we receive your formal order

Third party inspection: besides our in-house inspection, you could also choose a third party inspection.

7000 Ton Hydraulic Press gives Rongcheng to have enough ability to offer large diameter forged ring with big amount.

5000 mm CNC Ring Roller could offer large diamter flanges up to ø4800mm size.

Advanced CNC ø5000mm lathes could offer precision machining for wind tower flanges.

Also CNC ø5000mm drilling machines are here to support large flange manufacturing.

Rongcheng Ring Forging is always here to support  your needs