Rolled and forged rings from Huaerdong
Huaerdong has long experience with seamless rolled rings, cylindrical or profiled geometry very close
to the final shape of the finished component.
The bulk of our production is consumed by the slewing ring bearing industry and wind energy industry.
The dimensional range is 400-4,800 mm and the weight range up to 8,000 kg.
Size range
We owned 3 ring rolling milling: 1,600mm , 2,800mm, 5,000mm, with 7,000 Tons, 2,500 Tons Hydraulic Press.
These let Huaerdong to offer forged rings, size ranges from 400mm to 4,800mm (Outer Diameter)
We also have good partner factories in this area, with their support we could offer forged rings up to 7,000 mm.
Heat treatment
Rings are supplied in the following conditions or combinations thereof: Normalized. Soft annealed. Quenched and tempered. Controlled cooled. Machining
Semi-finished or finished machined rings canbe supplied according to customer's requirements.
Final inspection
All finished rings are inspected for surface defects, discrepancies in inner and outer diameter, width, height, conicity, ovality and squareness.
Main Raw material :
For Hot rolled rings: 42CrMo4, CK45, C22,A105,A350,
For Hot rolled flanges: A105,A350,S355NLWith 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.
Forging Workshop:
Until 2013, three production line are running every day to support customers both in domestic market and international market.
Production Line No.1: 1600mm Ring Roller
Production Line No.2: 2500mm Ring Roller
Production Line No.3: 5000mm Ring Roller
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:
Normalizing (N), Quenching and Tempering (Q+T), N+Q+T are available with right ways, to meet the requirement of different materials of hot rolled ring prodcuts.
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.
Jiangsu Rongcheng Ring Forgings Co., Ltd. stands for a worldwide leading supplier of
* Seamless Hot Rolled Rings
* Wind Turbine Tower Flanges *
* Ring Gears
* Special forgings
* Tire Mold (forging)
We Manufacturer our products according to our customer design and specification in carbon, alloy and stainless steel material grades.
You can find us on important markets worldwide, our production workshop are located in China, only 130 Km to China's biggest exporting port --- Shanghai Port.
We play an important role for serving the wind power energy: wind turbine tower flange, slewing ring bearings, ring gears.
Jiangsu Rongcheng Ring Forgings was established in 2007, begin with manufacturing of seamless rolled forged ring for bearing industry in Japan and Korea. With quick development and increase investment of equipment, we begin in 2010 to enlarge our business to serve European and US customers.
