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

Forged Steel Wind Tower Flange, Flange, Forging manufacturer / supplier in China, offering Forged Steel Wind Tower Flange (G004), Ring Mill Manufactures Rings Diameter up to 4500mm 42CrMo4 C45, Rings and Support Rings for Slewing Bearings and so on.

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Supplier Homepage Product Wind Tower Flanges,Large Diameter Flanges Forged Steel Wind Tower Flange (G004)

Forged Steel Wind Tower Flange (G004)

FOB Price: Get Latest Price
Min. Order: 1 set
Production Capacity: 5000 Ton/Month
Transport Package: Steel Pallet or Wooden Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: G004
  • Type: Welding Flange
  • Manufacturing Way: Forging
  • Origin: Zhangjiagang (China)
  • Standard: Customized
  • Material: Stainless Steel
  • Specification: 3.1 B certificates
  • HS Code: 7307910000
Product Description
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 ø 4800mm size.



Advanced CNC ø 5000mm lathes could offer precision machining for wind tower flanges.
Also CNC ø 5000mm drilling machines are here to support large flange manufacturing.
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Mr. William Yue
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