Henan, China
Business Type:
Manufacturer/Factory & Trading Company
Main Products:
Number of Employees:
Year of Establishment:
Management System Certification:
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Girth Gear, Transmission Gear, Transmission Part manufacturer / supplier in China, offering Cast Alloy Steel Large Gear with Maximun 15m Diameter, Factory Supply Cement Ball Mill, Large Ball Mill for Cement and Ore Plant and so on.

Diamond Member Since 2015
Audited Supplier
Supplier Homepage Products Girth Gear Cast Alloy Steel Large Gear with Maximun 15m Diameter

Cast Alloy Steel Large Gear with Maximun 15m Diameter

Min. Order / Reference FOB Price
1 Piece US $100-10,000/ Piece
Port: Shanghai, China
Transport Package: Packing Can Prevent The Deformation of Gear
Payment Terms: L/C, T/T
Application: Industry
Hardness: According to Customer′s Requirement
Manufacturing Method: Cast Gear
Toothed Portion Shape: Spur Gear
Material: Cast Alloy Steel, Cast Carbon Steel, Forged Alloy
Type: Circular Gear

You Might Also Like


Basic Info.

Model NO.
ISO 9001:2008 Certificated
BV & SGS Certificated
Manipulate Way
Forced Manipulation
Changes Way
CIC or OEM, ODM etc
Luoyang China
With 30-year rich industry experience and knowledge, we have earned specialization in manufacturing and supplying superior quality large gears
These are fabricated in conformity with defined industry standards, the offered range is widely acknowledged by the customers for features like optimum performance and longer life
These precision engineered gears are widely demanded across varied industries
The high quality ring gear with module 45 we manufactured represents our strong fabrication ability

Products with customer designs
Strong machining and heat treatment abilities
Strict quality control
Prompt delivery
Experience in cooperation with fortune 500 companies
Normalizing and tempering
Rough machining
Quenching and tempering
Finish machining
Teeth grinding
HFQ quenching/carburization
We can offer you in various process conditions
Solutions for many end markets and applications
Power generation
Cement plant
Port machinery
Oil and natural
Paper making
OEM gear case
General industries
Testing process:
QA documents: chemical composition report, mechanical properties report, UT report, heat treatment report, dimension check report
The data on chemical composition report and mechanical properties report are approved by third party, Luoyang Ship Material Research Institute, CSIC
UT test: 100% ultrasonic test
Heat treatment report: provide original copy of heat treatment curve/time table

Specifications of Gear :
3MaterialCast Alloy Steel, Cast Carbon Steel, Forged Alloy Steel, Forged Carbon Steel
4Structure FromIntegrated, Half to Half, Four Pieces and More Pieces
5Heat TreatmentQuenching & Tempering, Normalizing & Tempering, Carburizing & Quenching & Tempering
6Tooth FormAnnular Gear, Outer Gear Ring

Inspection and Test Outline of Girth Gear:
No.ItemInspection AreaAcceptance CriteriaInspection StageCertificates
1Chemical CompositionSampleMaterial RequirementWhen Smelting
After Heat Treatment
Chemical Composition Report
2Mechanical PropertiesSample(Test Bar on the Gear Body)Technical RequirementAfter Heat TreatmentMechanical Properties Report
3Heat TreatmentWhole BodyManufacturing StandardDuring Heat TreatmentHeat Treatment Report
Curves of Heat Treatment
4Hardness TestTooth Surface, 3 Points Per 90°Technical RequirementAfter Heat TreatmentHardness Teat Report
After Semi Finish Machining
5Dimension InspectionWhole BodyDrawingAfter Semi Finish MachiningDimension Inspection Report
Finish Machining
6Magnetic Power Test (MT)Tooth SurfaceAgreed StandardAfter Finish Gear HobbingMT  Report
7UTSpokes PartsAgreed StandardAfter Rough MachiningUT Report
After Welded
After Semi Finish Machining
8PTDefect AreaNo Defect IndicatedAfter Digging
After Welded
PT Record
9Mark InspectionWhole BodyManufacturing StandardFinal InspectionPictures
10Appearance InspectionWhole BodyCIC's RequirementBefore Packing
(Final Inspection)
11Anti-rust InspectionWhole BodyAgreed Anti-rust AgentBefore PackingPictures 
12Packing InspectionWhole BodyAgreed Packing FormDuring PackingPictures

Facilities For Manufacturing Gear ring:
1Smelting & Casting Capability
40t ,50t, 80t Series AC Electric Arc Furnace
2×150t, 60t LF Ladle Refining Furnace
150t, 60t Series VD/VOD Furnace
20×18m Large Pouring Facility
We can pour 900t refining liquid steel one time, and achieve vacuum poured 600t steel ingots.
We can produce the high quality steel of more than 260 steel grades as carbon steel,structural alloy steel and the structural steel, refractory steel and stainless steel of special requirement. The maximum weight of casting steel, gray casting, graphite cast iron and non-ferrous casting is 600t, 200t, 150t and 20t separately.
2Forging Capability 
The only one in the word, the most technologically advanced and the largest specification18500t Oil Press, equipped with 750t.m forging operation machine
8400t Water Press
3150t Water Press
1600t Water Press
Φ5m High Precision Ring Mill ( WAGNER,Germany)
Φ12m High Precision Ring Mill
We can roll rings of different sections of carbon steel, alloy steel, high temperature alloy steel and non-ferrous alloys such as copper alloy, aluminum alloy and titanium alloy. Max. Diameter of rolled ring will be 12m.
3Heat Treatment Capability9×9×15m,8×8×12m,6×6×15m,15×16×6.5m,16×20×6m ,7×7×17m Series Heat Furnace and Heat Treatment Furnaces
φ2.0×30m,φ3.0×5.0m Series Heat Treatment Furnaces
φ5.0×2.5m,φ3.2×1.5m,φ3.0×5.0m,φ2.0×5m Series Carburizing Furnaces & Nitriding Furnaces & Quenching Bathes
φ2.0×30m Well Type CNC Electrical Furnaces
Φ3.0×5.0M Horizontal Gas Temperature-differential Furnace
Double-frequency and Double-position Quenching Lathe of Pinion Shaft
4Machining Capability1. ≥5m CNC Heavy Duty Vertical Lathes
12m CNC Double-column Vertical Lathe
10m CNC Double-column Vertical Lathe
10m CNC Single-column Vertical Lathe
6.3m Heavy Duty Vertical Lathe
5m CNC Heavy Duty Vertical Lathe  
2. ≥5m Vertical Gear Hobbing Machines
15m CNC Vertical Gear Hobbing Machine
10m Gear Hobbing Machine
8m Gear Hobbing Machine
5m Gear Hobbing Machine
3m Gear Hobbing Machining
3. Imported High-precision Gear Grinding Machines
0.8m~3.5m CNC Molding Gear Grinding Machines
4. Large Boring & Milling Machines
220 CNC Floor-mounted Boring & Milling Machine
200 CNC Floor-mounted Boring & Milling Machine
160 CNC Floor-mounted Boring & Milling Machine

Testing Process:
· QA DOC: Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report
· The data on chemical composition report and mechanical properties report are approved by third party, Luoyang Ship Material Research Institute, CSIC.
· UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc.
· Heat Treatment Report: provide original copy of heat treatment curve/time table.

Send your message to this supplier

avatar Mrs. Emily

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

People who viewed this also viewed