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Forged Gear Blanks 34CrNiMo6 20MnCr5 18CrNiMo7-6 Guangda Xinsheng

Categories Alloy Steel Forging
Brand Name: Guangda
Certification: DNV, BV, Rina, ISO, GL, ABS, LR ,CCS ,PED
Place of Origin: Jiangsu China
Payment Terms: D/P, L/C, D/A, T/T
Delivery Time: 15-45 work days
Product name: Alloy Steel Gear blank forgings
Material: 18CrNiMo7-6,17CrNiMo6,18CrNiMo7 etc
Type: Forging
Diameter: max 5000mm
Mark: GD
Supply condition: rough material ,semi-finished ,finished machining
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Forged Gear Blanks 34CrNiMo6 20MnCr5 18CrNiMo7-6 Guangda Xinsheng

Forged Gear Blanks 34CrNiMo6 20MnCr5 18CrNiMo7-6 Guangda Xinsheng


Higher quality and increased strength and wear in forged gear blanks is achieved from contoured grain flow, reduced grain size and thermal processing that improves mechanical properties and metallurgical soundness from the open die forging process. All of our forgings are rough machined to allow for final machining.


Alloy Steel Forgings Specification


Delivery stateRough blank, semi-finished blank,finishing gears
Material18CrNiMo7-6, 30CrNiMo8,17CrNiMo6,20CrMnMo ,4340,34CrNiMo6, 42CrMo4 etc.
Melting processEF+LF+VD
Delivery stateRough blank, semi-finished blank,finishing gears,Black, peeled, polishing, bright, sand blast, hair line, etc.
DiameterMax 5000mm
Max length/Diameter12m
Max weight60T
Annular Capacity100000pcs
Executive standardJB/GB/EN/DIN/JIS/ASME/ASTM/ISO
CertificationPED,DNV,BV,Rina,ISO,GL,ABS,LR
ApplicationUsed for wind turbine gear box ,industril gear box,Generator, transmission, reduction motor, equipment transmission etc.

Alloy Steel Forgings procedure


Orging process flow quality control: Raw material steel ingot into warehouse(test the chemical content) → Cutting→ Heating(Furnace temperture test) → Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal diamention, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment


High-precision dimensional tolerance;Excellent mechanical properties;Produce different dimension based on customer’s requirements;Advanced manufacture equipments and inspection devices;Excellent technical personality;Control the production procedure strictly;Pay attention on the package protection;Quality full service.


Alloy Steel Forgings Manufacture Capacity


Company typeScience and Technology innovation board listed company.
Stock code :688186
Completed supply chainGuangda is an leading and integrated steel manufacturer from smelting, forging, heat treatment to precision smart manufacturing .
ShapeRing, Shaft, disc, round plate, Dysplasia forgings etc.
SmeltingSmelting capacity 500,000.00 ton/year . With own smeliting line of carbon steel,stainless steel, alloy steel and special steel .
Annual capacity for the forgingsForging capacity 300,000.00 ton/year . With own professinal forging press machines 5000ton,4500ton,4000ton,3600ton,2000ton,1000ton and ring rolling mill machines and could manufacture the forging blank ourselves.
MachiningTurning, milling, boring ,grinding, finished machining, gear shaping ,gear hobbing, gear grinding capability.
Heat treatmentOwn professional equipment for heat treatment for Annealing ,Normalizing ,Tempering ,QT, Isothermal annealing,Stress relief , Nitriding , Carburize ,Case-hardening etc
Surface treatmentHigh-pressure cleaning, sand blasting and thermal spraying. Complete surface treatment capability.

Alloy Steel Forgings Application


  • Rail Vehicles
  • Oil and gas
  • Mining Cement
  • Power Generation
  • Turbo
  • Hydro power
  • Wind Energy
  • Metallurgy
  • Sugar
  • Marine and shipbuiding
  • Machine tools
  • Recycling and processing plants
  • Rubber and plastics

About Guangda for the Alloy Steel Forgings


Zhangjiagang Guangda Special Material Co.,Ltd was established in 2003, is one of the forging manufacturer for research and development, production, sales, service as one of the comprehensive company. We located in Jiangsu Province besides Shanghai. We provide different forgings of shaft ,gear blank , ring rolling, rough machining, heat treatment and finish machining. Our annual production capacity is 500,000 tons for various of free-die forgings, ring rollings .


Guangda is one of the leading gear manufacturers in China .We make various sizes of gears for different applications acoss multiple platforms . we have the experience and resources necessary to meet the demands of your business. You can count on our engineers and quality control teams to make the high-quality, custom gears you need.


Guangda has deep and long cooperation with NGC ,Voith ,Flender and ZF for supplying the gear box parts . In Chinese market, Guangda wind turbine gear steel ranks first in China for the capacity, quality and market share .And Guangda is the largest supplier to the world's top three customers NGC,ZF and Siemens for the gear box parts.





Gear blank

Forged gear blank

Gear blank forging


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