Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Delivery Time | 30-45days |
| Packaging Details | Wooden |
| Supply Ability | 56000 Tons per year |
| Material | Carbon steel and alloy steel |
| Origin Of Goods | Changzhou, Jiangsu |
| Other Name | Heavy Steel Forgings |
| Type | Forging Parts |
| Industry | Forging industry |
| Oem | Yes |
| Tolerance | High precision |
| Machinability | Difficult |
| Technology | Forging |
| Material Standard | ASTM,GB,GOST |
| Width | 300-1200mm |
| Heat Treatment | Anneal, Quenchining & Tempering |
| Diameter | 300-1600mm |
| Brand Name | Tiangong |
| Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China |
| Model Number | TG-108 |
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Product Specification
| Payment Terms | T/T | Delivery Time | 30-45days |
| Packaging Details | Wooden | Supply Ability | 56000 Tons per year |
| Material | Carbon steel and alloy steel | Origin Of Goods | Changzhou, Jiangsu |
| Other Name | Heavy Steel Forgings | Type | Forging Parts |
| Industry | Forging industry | Oem | Yes |
| Tolerance | High precision | Machinability | Difficult |
| Technology | Forging | Material Standard | ASTM,GB,GOST |
| Width | 300-1200mm | Heat Treatment | Anneal, Quenchining & Tempering |
| Diameter | 300-1600mm | Brand Name | Tiangong |
| Certification | ISO9001, ISO14001,ISO45001 | Place of Origin | Changzhou, China |
| Model Number | TG-108 | ||
| High Light | 35CrMo Industrial Steel Forgings ，20CrMnMo Industrial Steel Forgings ，Marine Equipment components Forgings | ||
Large Industrial Steel Forgings 35CrMo,17CrNiMo6,20CrMnMo For Wind Power, Petrochemical & Marine Equipment
Large Industrial Steel Forgings for Wind Power | 35CrMo, 17CrNiMo6, 20CrMnMo
With over 25 years of forging expertise, we produce high-strength industrial steel forgings in 35CrMo, 17CrNiMo6, and 20CrMnMo, tailored for demanding applications in the wind power, petrochemical, and marine industries. As a trusted supplier to leading wind energy companies like Goldwind, our forgings ensure outstanding mechanical performance, fatigue resistance, and dimensional accuracy. From gear shafts to bearing housings, we offer custom solutions backed by ISO-certified quality systems and in-house inspection labs.
Partner with us for reliable, precision-engineered forgings that power the future of energy.
Large steel forgings play a critical role in power transmission systems, ensuring reliable torque transfer and structural integrity under heavy loads. These components are widely used in gearboxes, shafts, couplings, and other core transmission elements across wind energy, marine, and industrial applications.
| Material | 4140,4130,18CrNiMo7-6,4340,4330,1.7225,35# 45# 20CrMnTi 20CrNi2Mo 20CrMnMo 18CrNiMo7-6 42CrMo 20CrNo 35CrMo |
| Equipment | 5 TON, 8 TON, 12 TON Hydralic hammer |
| Apply for | Transmission main shaft is used for driving force |
| Forging+heat treatment+rough machining+finish machining | |
| Forging ratio | ≥3 |
| Applicable standard | ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
| Executive standard | JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
| Delivery terms | Rough machining(N+T); finish machining(Q+T) |
| Test equipment | Spectrograph, UT device, tensile and impact test machine, metalloscope,external micrometer, bore dial indicator, hardness testing device and so on. |
| Service | Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
,
Function:
These forgings are engineered to withstand high mechanical stress, providing long-term durability and performance in rotating and reciprocating transmission systems.
Specifications:
Weight Range: 100 kg – 7t
Surface Condition: Anti-corrosion treatment or machining-ready
Competitive Advantages:
Custom metallurgy and dimensions tailored to each project
Raw materials sourced from certified steel mills
Strict quality control, including full traceability and NDT compliance
Proven performance in high-load, high-speed applications
Experienced in supplying to industries like wind power, mining, and marine engineering
Process flow:
raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.
| Main Forging service Machine list: | sets | |
| Sample Inspection tester machines in the lab. | ||
| 1 | Spectrometer | 1 |
| 2 | Impact testing machine | 1 |
| 3 | Tensile testing machine | 1 |
| 4 | Metallographic microscope | 1 |
| 5 | Brinell hardness tester | 1 |
| 6 | Notch projector | 1 |
| 7 | Quenching test machine | 1 |
| 8 | high-precision flaw detector | 2 |
| Natural gas equipment | ||
| 1 | Natural gas furnace 15Ton | 6 |
| 2 | Natural gas furnace 20Ton | 1 |
| 3 | Natural gas furnace 30Ton | 3 |
| 4 | Natural gas furnace 40Ton | 1 |
| Sawing machine | 16 | |
| 5 | 5 Ton electro-hydraulic forging hammer | 1 |
| 6 | 8 Ton electro-hydraulic forging hammer | 1 |
| 7 | 12 Ton electro-hydraulic forging hammer | 1 |
| operation machine | ||
| 8 | 10 Ton loader machine | 1 |
| 9 | 15 Ton loader machine | 1 |
| 10 | 20 Ton Loader machine | 1 |
| Material carrier machine | ||
| 12 | 10 Ton material carrier | 1 |
| 13 | 20 Ton material carrier | 1 |
| 14 | Heat Treatment electric furnace 5Ton | 1 |
| 15 | Heat Treatment electric furnace 15Ton | 1 |
| 16 | Heat Treatment electric furnace 50Ton | 1 |
| 17 | Heat Treatment electric furnace 60Ton | 1 |
| 18 | Heat Treatment electric furnace 60Ton | 1 |
| 19 | horizontal lathe, vertical lathe,CNC vertical lathe,machining equipment | 31 |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1994
Total Annual:
27.5 million -28 million
Employee Number:
135~150
Ecer Certification：
Verified Supplier
About CHANGZHOU TIANGONG We are a Chinese company with over 30 years of forging experience. Our focus lies in the production of machine free forged products. We take pride in our independent quality assurance laboratory, which ensures that all our products meet ... About CHANGZHOU TIANGONG We are a Chinese company with over 30 years of forging experience. Our focus lies in the production of machine free forged products. We take pride in our independent quality assurance laboratory, which ensures that all our products meet ...
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