Large Diameter Flanges S355nl, S355jr, Q345b, Q345e

Large diameter flanges S355NL,S355JR,Q345B,Q345E

Process: Forging → Heat Treatment → Final Turning (machining) & Drilling → Inspection  → Packing & Delivery

Rongcheng has three ring rolling mills, biggest is OD:5000mm's ring rolling mill.  

Jiangsu Rongcheng Forging Co., Ltd 

 

Founded Year: 2007,  10 years developing from small factory to be a middle size manufacturer in seamless rolling forged rings & its products.

 

Rongcheng main business is manufacturing Forged Rings for big size bearings and slewing ring bearings:  
 

--- industry application bearings 

--- wind mill bearings

--- Others including forged rings for  Flanges, forged rings for ring gears.

     With advanced forging equipment, CNC machines and experience operation persons, we manufacture prodcuts: 

     Seamless Rolled Rings  for slewing ring bearings, wearing rings, wind turbine slewing rings, wind turbine blade bearings.

     Seamless Rolled Rings  for large standard flanges,large custom flanges,wind tower flanges.

     Large diamter flanges, wind tower flanges are manufacture by our workshop.

     Ring Gears, Solid tyre and wheels, Seamless rolled neck rings.

     Main material: A105, SA350LF2, A694, C22, S235, S275, S355J0

                            42CrMo4, C45, S48C

                            S355NL, S355J2G2, S355JR,Q345E 

High quality because of the strict controlling of each process.

Forging Workshop:
Until 2013, three production line are running every day to support customers both in domestic market and international market.
7000 Ton Hydraulic Press and 3000 Ton Hydraulic Press, supporting us to offer the products with big weight.

Machining Workshop:
With right CNC machines to support three production line, our machines let us to offer  precision machining service up to 5000mm.

Heat Treating Workshop:
With right way of heat treatment to seamless rolled forged ring, we offered products with good performance on technical properties, like hardness, no cracks, good impcat and etc.

High quality helps us to have long-term and stable customers for cooperation

     With long years of experience in forging industry, Rongcheng support customers from Asia, European, USA, Mid East and etc, these customers are in the industry: capital equipment, petrolchemical, mining, energy , paper, metal working and etc.