Industrial Mild Steel Gears Drive Gear Forged From 4140 42CrMo4 Steel

Industrial Drive Shaft Forged from 4140/42CrMo4 Steel for Wind & Port Machinery. Our industrial drive shafts are precision-forged from high-quality 4140 / 42CrMo4 alloy steel, known for their excellent toughness, fatigue resistance, and high tensile strength. These forged components are engineered to meet the rigorous demands of heavy-duty applications, especially in wind power systems, port handling equipment, and marine machinery.

Key Features:

• Material: Premium 4140 / 42CrMo4 alloy steel for optimal mechanical properties

• Process: Free forging or die forging with strict metallurgical controls

• Applications: Wind turbine gearboxes, port cranes, heavy-duty industrial transmissions

• Heat Treatment: Normalizing, quenching, and tempering for maximum durability

• Customization: Sizes and specifications tailored to your exact needs

• Standards: ISO 9001, ISO 14001, ISO 45001 certified manufacturing process

Advantages:

• High strength and toughness

• Excellent fatigue and wear resistance

• Custom sizes and machining available

• OEM/ODM service based on drawings

Specifications

• Weight Range: 100 kg – 7 tons (customized to accommodate both medium-size drive shafts and large-section marine components)

• Machining-Ready Surface: Delivered with precise allowances for final CNC finishing

• Grain Structure: Refined through forging ratio ≥3.0 and controlled heat treatment

• Dimensional Tolerance: Custom tolerances per project needs

Process flow: 

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

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.