Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Machining | Rough Machining |
| Type Of Service | Tailor made & OEM |
| Forging Weight | 100kg|100kg-7ton |
| Impact Strength | Customizable |
| Dimensions | Large-diameter shaft |
| Custom shaft length | 50-6000mm |
| Quality control | Ultrasonic tested (UT) & Mechanical Properties |
| Steel Grade | carbon steel & alloy steel |
| Brand Name | Tiangong |
| Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 56000 Tons per year |
| Delivery Time | 30days | Packaging Details | Pallet |
| Machining | Rough Machining | Type Of Service | Tailor made & OEM |
| Forging Weight | 100kg|100kg-7ton | Impact Strength | Customizable |
| Dimensions | Large-diameter shaft | Custom shaft length | 50-6000mm |
| Quality control | Ultrasonic tested (UT) & Mechanical Properties | Steel Grade | carbon steel & alloy steel |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | 1000kgs alloy steel forgings ，18crnimo precision forgings ，alloy steel forgings 18crnimo | ||
42CrMo, 42CrNiMo, 18CrNiMo100-1000KGS Precision Forged Steel shaft for Wind Power Turbines. We manufacture precision forged steel shafts using high-performance alloy steels such as 42CrMo, 42CrNiMo, and 18CrNiMo, specifically developed for wind turbine drivetrain systems. With a weight range from 100KG to 1000KG, these shafts are engineered to deliver outstanding strength, fatigue resistance, and dimensional accuracy under continuous high-load operation.
Material Grades:
42CrMo – A versatile alloy steel offering excellent toughness, wear resistance, and hardenability, ideal for medium to heavy-duty shafts.
42CrNiMo – A nickel-molybdenum alloy steel with superior fatigue and impact resistance, especially suitable for cold climates and dynamic loads.
18CrNiMo – A premium carburizing steel known for deep hardenability and superior surface hardness after heat treatment, perfect for long-life drive components.
Key Features:
Weight range: 100–1000 KGS
Custom shapes: straight shaft, stepped shaft, spline shaft, hollow or solid
Close grain structure and directional fiber flow for enhanced fatigue resistance
Heat treated for improved performance
Precision pre-machined or rough-machined surfaces available
Full quality inspection: ultrasonic testing (UT), magnetic particle inspection (MPI), and dimensional checks
Applications:
Wind turbine main shafts and gear drive shafts
Gearbox input and output shafts
Coupling and transmission drive assemblies
High-load rotating equipment in renewable energy systems
Production Process:
High-quality alloy steel is forged using open-die or closed-die processes, followed by heat treatment tailored to the final application. Precision forging and controlled cooling ensure optimal grain flow and metallurgical properties. Each shaft is inspected and optionally delivered with CNC pre-machining for seamless integration into wind turbine gear systems.
| Product Name | 42CrMo, 42CrNiMo, 18CrNiMo100-1000KGS Precision Forged Steel shaft for Wind Power Turbines |
| 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 | Wind Power Turbines |
| Manufacturing Process | Forging+heat treatment+rough machining |
| Forging ratio | ≥3 Delivers enhanced structural reliability, a denser internal makeup, and markedly improved resistance to fatigue in challenging lifting scenarios. |
| Delivery terms | Rough machining(N+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 offering covers the entire lifecycle: from the forge through processing and heat treatment, to precise final machining, secure packaging, local transportation, handling customs procedures, and arranging maritime shipment. We are driven by a customer-centric approach and a deep dedication to delivering superior product quality. |
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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