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China factory - Changzhou Tiangong Forging Co., Ltd.

Changzhou Tiangong Forging Co., Ltd.

  • China,Changzhou ,Jiangsu
  • Verified Supplier

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China ISO Forged Shaft Heavy Duty 18CrNiMo7-6 Free Forging Open Die Forged Rotor Shaft
China ISO Forged Shaft Heavy Duty 18CrNiMo7-6 Free Forging Open Die Forged Rotor Shaft

  1. China ISO Forged Shaft Heavy Duty 18CrNiMo7-6 Free Forging Open Die Forged Rotor Shaft
  2. China ISO Forged Shaft Heavy Duty 18CrNiMo7-6 Free Forging Open Die Forged Rotor Shaft
  3. China ISO Forged Shaft Heavy Duty 18CrNiMo7-6 Free Forging Open Die Forged Rotor Shaft
  4. China ISO Forged Shaft Heavy Duty 18CrNiMo7-6 Free Forging Open Die Forged Rotor Shaft

ISO Forged Shaft Heavy Duty 18CrNiMo7-6 Free Forging Open Die Forged Rotor Shaft

  1. MOQ: 1
  2. Price: USD500-USD2000/piece
  3. Get Latest Price
Payment Terms T/T
Supply Ability 56000 Tons per year
Delivery Time 30days
Packaging Details Pallet
Product name Rotor shaft
Origin Of Goods Changzhou, Jiangsu
Other Name Free Forging ,open Die Forged Rotor Shaft
Industry Free Forging & Open Die Forging
Tolerance High precision
Forging Weight 100kg|100kg-7ton
Machining Rough Machining
Dimensions Customizable
Brand Name Tiangong
Model Number Tiangong 66
Certification ISO9001, ISO14001,ISO45001
Place of Origin Changzhou, China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 56000 Tons per year
Delivery Time 30days Packaging Details Pallet
Product name Rotor shaft Origin Of Goods Changzhou, Jiangsu
Other Name Free Forging ,open Die Forged Rotor Shaft Industry Free Forging & Open Die Forging
Tolerance High precision Forging Weight 100kg|100kg-7ton
Machining Rough Machining Dimensions Customizable
Brand Name Tiangong Model Number Tiangong 66
Certification ISO9001, ISO14001,ISO45001 Place of Origin Changzhou, China
High Light ISO Forged Shaft Heavy DutyForged Shaft 18CrNiMo7-6Die Forged Rotor Shaft

ISO Certified Heavy-Duty 18CrNiMo7-6 Free Forging ,open Die Forged Rotor Shaft. Our ISO-certified rotor shafts are manufactured through heavy-duty open die forging using premium-grade 18CrNiMo7-6 alloy steel, ensuring exceptional mechanical properties and long-term performance under extreme industrial conditions. Designed for high-torque, high-load applications, these forged rotor shafts deliver superior strength, wear resistance, and reliability in demanding environments.

 

Key Features:

  • Material: 18CrNiMo7-6 (Alloy Steel, DIN Standard)

  • Process: Open Die Free Forging

  • Certification: ISO 9001 / ISO 14001 / ISO 45001

  • Dimensions: Custom sizes

  • Heat Treatment: Normalizing, Tempering

  • Ultrasonic Testing: 100% UT

  • Machining: Rough  machined upon request

  • Applications: Wind turbine main shafts, large motors, generators, heavy-duty industrial rotors

Advantages:

  • High core toughness and surface hardness after case hardening

  • Excellent fatigue resistance and hardenability

  • Precision forging with tight grain structure for increased durability

  • Full traceability and mill certification available

Application Industries:

  • Wind Energy

  • Power Generation

  • Heavy Machinery

  • Marine & Offshore

  • Metallurgy Equipment

Contact us for customized solutions based on your technical drawings or specific mechanical requirements.

 

Item Details
Product Name ISO Certified Heavy-Duty 18CrNiMo7-6 Free Forging ,open Die Forged Rotor Shaft
Material Grades - Carbon and Alloy Steels: 42CrMo, 18CrNiMo7-6, 20CrNi2Mo, 4340, 35CrMo, 1.7225, 20CrMnTi, 20CrMnMo
Forging Equipment - Hydraulic Hammers: 5T, 8T, 12T - Supports large-section open die forging 
Manufacturing Process Forging → Heat Treatment → Rough Machining → Dimensional & NDT Inspection
Forging Ratio ≥ 3.0 — Ensures fine grain refinement, enhanced tensile strength, and excellent internal soundness for heavy-duty operation
Applications Precision-forged components for: - Gearbox main shafts - Thrust flanges and coupling hubs - Marine transmission and propulsion shafts - Rudder stocks and steering gear drives - Suitable for both marine and industrial mechanical systems
Delivery Conditions - N+T (Normalized + Tempered): For pre-machined rough parts
Testing & Inspection - Chemical Analysis: Optical Emission Spectrometry - Mechanical Tests: Tensile , Impact , Hardness  - NDT: UT , MT  - Dimensional Control: Bore dial indicators, precision micrometers 

 

 

Process flow: 

raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.

Applications of Our Open Die Forgings

With over 25 years of forging expertise, our open die forgings are trusted across a wide range of heavy industries that demand exceptional mechanical performance, large component sizes, and consistent reliability. Our forged components are engineered to perform under extreme loads, harsh environments, and dynamic stress conditions.

Key Application Sectors:

  • Wind Energy:
    Forged shafts, gear blanks, and bearing housings for wind turbine gearboxes, including both onshore and offshore applications.

  • Offshore & Marine:
    High-strength propeller shafts, flanges, and mooring components used in subsea systems, marine propulsion, and ocean engineering.

  • Industrial Gearboxes & Reducers:
    Precision-forged gears, sleeves, and transmission parts for heavy-duty gear reducers in mining, ports, and steel mills.

  • Oil & Gas Equipment:
    Drill tools, BOP parts, and pressure-bearing components forged for durability and fatigue resistance in deep drilling operations.

  • Construction & Mining Machinery:
    Forged cylinders, support arms, and drive components designed for bulldozers, excavators, crushers, and tunneling machines.

  • Power Generation (Thermal, Hydro, Nuclear):
    Forgings for turbine shafts, generator rotors, couplings, and pressure vessel support rings.

  • Heavy Transportation & Railway:
    Axles, couplings, and frame supports for rail, metro, and heavy haul systems.

 

Frequently Asked Questions (FAQs)
1. What is your forging weight range?
We produce forged parts ranging from 100 kg to 7000 kg.

2. Do you provide heat treatment and machining?
Yes, we offer full in-house heat treatment, rough, and finish machining services.

3. Which industries do you supply to?
We serve wind energy, heavy equipment, port machinery, transmission systems, and more.

4. What is your production lead time?

With stock: Around 30 days

Without stock: 40–45 days

5. Where is your factory located?
In Changzhou City, near Shanghai, with shipping via Shanghai Port.

 

Request a Quote
Please send your technical drawings and requirements to us. Our engineers will review and provide you with a professional quotation and solution shortly.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • 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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  • Reach Us
  • Changzhou Tiangong Forging Co., Ltd.
  • Wangxia Village, Luoxi Town, Xuejia Town, Xin Bei District, Changzhou City, Jiangsu Province, China
  • https://www.freeforgings.com/

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