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

42crmo4 4140 Hot Rolled Ring, 4140 Seamless Rolled Ring, 42crmo4 Rolled Ring manufacturer / supplier in China, offering 42CrMo4 4140 Seamless Rolled Ring, 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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Supplier Homepage Product Seamless Rolled Forged Rings 42CrMo4 4140 Seamless Rolled Ring

42CrMo4 4140 Seamless Rolled Ring

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 3000 Ton Per Month
Transport Package: Steel Pallet or Wooden Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: SR1044
  • Molding Style: Forging
  • Processing Object: Metal
  • Origin: China
Product Description

We offered 42CrMo4 hot rolled forged rings, normally with the heat treatment of Quenched and Tempered, the end use is for slewing ring bearing manufacturing.

The 42CrMo4 could be equivalent with material 4140. 

Rongcheng Ring Forgings Co.,Ltd 
stands for a worldwide leading manufacturer  of     Seamless Hot Rolled Rings,   Large diameter flanges&Wind  Tower Flanges,   Ring Gears, Truck Tire mould  and other Special forgings.

Establishes forging industry business from 2007. Covered 47,000 , 130 people work in the company.


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 


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.

42CrMo4 4140 Seamless Rolled Ring



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.

42CrMo4 4140 Seamless Rolled Ring



Machining Workshop:

With right CNC machines to support three production line, our machines let us to offer  precision machining service up to 5000mm.
42CrMo4 4140 Seamless Rolled Ring



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.








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

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