Jiangsu Rongcheng  Forgings Co.,Ltd
International Trading Department:
Contact:   Bill Keh
Tel:        0086 512 58519806
Fax:        0086 512 58519801
Mobile:  0086 159 5095 8397
Your present location:Home -> Product categories -> Wind Tower Flanges -> S355JR Wind Power Flange

S355J2 Wind Power Flanges, Q345E Large diameter Flanges


Rongcheng Forgings is the leading manufacturer of wind tower flanges in southeast China. Our products are supplied to various other countries around the world. Advanced Equipment, professional engineers and workers with strict quality control have allowed us to meet rapidly growth in tower flange demand worldwide without compromising delivery  or quality assurance. 



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

  • Name: S355JR Wind Power Flange
  • Numbers: WP5009
  • Shelves time: 2012-04-26