Gold Member Since 2012
Audited Supplier
Jiangsu Rongcheng Forgings Co., Ltd.

Wind Turbine Tubular Tower Flange, S355j2g2 Wind Tower Flange, S355nl Wind Tower Flanges manufacturer / supplier in China, offering Wind Turbine Tubular Tower Flange, Wind Power Tower Flange, Wind Turbine Tower Flange (G005), 1.0402, C22/050A20/2c/Cc20/C20c21/C25-1/1450/F. 112/1020 Ring Forgings, Forged Rings and so on.

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Wind Turbine Tubular Tower Flange

FOB Price: US $0.8 / kg
Min. Order: 100,000 kg
Min. Order FOB Price
100,000 kg US $0.8/ kg
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Port: Shanghai, China
Production Capacity: 30000 Ton Per Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: G0019
  • Molding Style: Forging
  • Application: Wind Tower
  • Heat Treatment: Normalizing
  • Forging Tolerance: +/-0.1mm
  • Certification: ISO 9001:2000, ISO 9001:2008
  • Trademark: None
  • Specification: max OD4500mm
  • HS Code: 73269010
  • Processing Object: Metal
  • Molding Technics: Forging Press, Ring Mill Rolling
  • Material: Steel
  • Surface Treatment: Turning & Drilling
  • Standard: ASTM
  • Ut Test: 100%
  • Transport Package: Steel Pallet/Wooden Packing by Sea
  • Origin: China
Product Description

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.

Wind Turbine Tubular Tower Flange



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.

Wind Turbine Tubular Tower Flange






Rongcheng Ring Forging is always here to support  your needs


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Mr. William Yue
International Trading Manager
To: Mr. William Yue

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