seamless hot forged rolled rings, forged rings for slewing bearings, 42CrMo4 forging rings S48C forged rings C45, A105 S355 carbon steel rings large diameter flange rings, Slewing ring bearing inner and outer rings

OUR PRODUCTS

Jiangsu Rongcheng forgings Co.,Ltd, as China Manufacturer, over 10 years, focused on manufacturing Large Diameter of SEAMLESS FORGED RINGS:

Forged Rings For Slewing Ring Bearings, Slew Drives.

Forged Rings For Wind Pitch and Yaw Slewing Bearings.

Forged Rings For Big Diameter Customized Forged Flanges

Forged Rings For Large Diameter Gears

Forged Rings For Heavy Industry & Engineering Ring Forgings Parts

We also do Semi-finished bearing rings ; raceway turning, hole drilling and finished flanges with full machined and holes drilled.

All in our own factories: Sawing, Hot Forged & Rolled, Heat Treatment, Turning, Hole Drilling, Lab Test, Site Test, Packing and etc.

Main Raw Materials of round or square continuous casting, ingots steels.

Alloy, Carbon, Stainless Type steels.

Main Forgings Material From : 42CrMo4, AISI4140, CK45, 1050, C50, SCM440, S48C A105, C22, S235, S355NL, S355J2G2, S355JR,Q345E,Q345D.

Industry Hot Forging Rings

Wind Bearings Hot Forged Rings

Large Hot Forged Ring Flanges

Raceway Turning Bearing Ring Products

Gears forgings rings

Gear ring forgings

ABOUT US

PROFESSIONAL MANUFACTURER OF SEAMLESS FORGINGS RINGS

Three Ring Rolling Mills: φ1600， φ2500， φ5000
Heat Treatment Workshops: over 20 furnaces
Machining Workshops: over 30 Lathes
Experienced Personnel: 100 and etc.

All this enhanced Rongcheng could meet customer’s quick delivery schedules with good quality, and reaching:
Monthly Capacity: 3000 Tons of all kinds of seamless forgings rings, from φ500 to φ4000mm, over 10,000 pcs per month.

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WHY CHOOSE US

After more than 10 years of development, the company now has three ring rolling production lines: Φ1600, Φ2500, Φ5000mm, and the production capacity of various ring forgings can reach 3000 tons per month

Our Advantage

Our monthly production capacity is over 10,000 pieces, and the product quality is over 99.99%. It has ring rolling machines, hydraulic presses and supporting heat treatment workshops, large lathes, drilling machines, various testing and inspection equipment and qualified technical personnel

Our Certificate

The company holds ISO9001:2008, ISO14004:2004, PED and other certificates, and is recognized by General Electric, Sany Heavy Industries, Caterpillar and other companies

Our Quality Certification

The company adheres to the business philosophy of quality first, sincere cooperation with customers and common growth, and establishes and develops long-term business relationships with customers on the basis of mutual benefit and win-win results.

Our Business Scope

Focus on the production of annular forgings for construction machinery slewing bearings, annular forgings for yaw and pitch wind turbine bearings, forgings for various gear rings, as well as raceway processing and hole processing of the inner and outer rings of yaw and pitch wind turbine bearings.

OUR PRODUCTS

Slewing bearing precision machining parts

Product name: slewing ring precision machining ring forging
Material: 42CrMo, 50Mn, S48C
Size range: φ500 -φ2000mm
Heat treatment method: normalizing, air cooling, quenching and tempering, etc.
Processing level: According to customer requirements, steps and other shapes are initially processed to meet customers' precision processing requirements.
Application: Inner and outer rings of slewing bearings for small, medium and large excavators, and inner and outer rings of slewing bearings for various port machinery

Slewing bearing precision machining parts

Wind power bearing rough turning parts

Product name: yaw/pitch wind turbine bearing inner and outer ring
Material: 42CrMo4
Size range: φ2000 -φ3500mm
Heat treatment method: normalizing + quenching and tempering
Processing degree: rough turning processing after heat treatment.
Test method: 100% UT, 100% hardness test is qualified before shipment.
Application: Large-scale wind power slewing ring, yaw and pitch bearing inner and outer ring

Wind power bearing rough turning parts

Wind power bearing precision machining parts

Product name: finished wind power bearing inner and outer ring raceways
Material: 42CrMo4
Size range: φ2000 -φ3500mm
Heat treatment method: normalizing + quenching and tempering
Processing degree: rough processing after heat treatment, processing according to the diagram after inspection: the raceway is formed, the plug hole is completed, and the oil hole is completed.
Test method: 100% UT, 100% hardness test is qualified before shipment.
Application: Large-scale wind power slewing ring, semi-finished product delivery for yaw and pitch bearing inner and outer rings.

Wind power bearing precision machining parts

Industrial flange

Product name: various industrial flanges
Material: Q345B, Q345D
Size range: φ500 -φ3500mm
Heat treatment method: normalizing
Detection method: 100% UT
Application: Ring flanges for large engineering vehicles, flanges for cement tankers, flanges for connecting large pipelines, and ring flanges for engineering machinery.

Product Name: Slewing Bearing Rough Turning Parts
Material: 42CrMo, 50Mn, S48C
Size range: φ500 -φ1600mm
Heat treatment method: quenching and tempering
Application: Inner and outer rings of slewing bearings for small, medium and large excavators, and inner and outer rings of slewing bearings for various port machinery
Supply customers: Continuous supply for well-known slewing bearing manufacturing plants at home and abroad.

Slewing ring rough turning parts

OUR WORKSHOP

With 1.6m, 2.5m and 5m ring rolling machines, 1,000 tons, 2500 tons, 6500 tons hydraulic presses and supporting heat treatment workshops, large lathes, drilling machines, etc.