Custom Open Die Forging & Forged Rings Manufacturer

About Runchi Forging

A modern manufacturing company specializing in open-die forging and seamless rolled ring forgings for global industrial applications.

We are a leading manufacturer of custom open die forgings and forged rings, capable of producing rings with a maximum outer diameter of 6500mm and open-die forgings weighing up to 30 tons.

Our facility is equipped with advanced testing equipment, enabling ultrasonic flaw detection, magnetic particle testing, hardness testing, mechanical property testing, metallographic analysis, and chemical analysis.

6500mm

Max Ring Diameter

30 Tons

Max Forging Weight

15 Days

Avg. Delivery Time

1 pc

Min Order Quantity

Quality Control

Comprehensive testing including ultrasonic, magnetic particle, hardness, and mechanical property analysis.

Customized Production

Design based on customer drawings, samples, or functional requirements. Full CNC machining available.

On-Time Delivery

Average delivery time of 15 days. Reliable logistics and global shipping capabilities.

After-Sales Guarantee

Dedicated support team and technical assistance available worldwide.

Our Forging Products

Custom-engineered forgings for transmission, marine, energy, mining, and industrial applications.

Seamless Rolled Ring Forging

Diameters from 100mm to 6500mm. Carbon steel, alloy steel, stainless steel.

Process: Hot forging + CNC machining
Surface: Quenching & tempering
Max OD: 6500mm
Applications: Energy, marine, industrial

Custom Forged Gear Blanks

Precision blanks for cranes, nuclear power, aerospace, and heavy machinery.

Equipment: Hydraulic press
Process: Hot forging
Materials: Custom per requirements
Based on: Drawings, samples, or specs

Custom Forging Transmission Shaft

High-strength shafts for transmission systems with precise dimensional control.

Standards: Customer drawings & specs
Features: Long service life, smooth surface
Transparency: Clear pricing
Quality: Size-qualified forgings

Custom Forged Step Shaft

Multi-diameter shafts for engineering, petroleum, wind power, and chemical equipment.

Applications: Wind power, pressure vessels
Industries: Metallurgy, new energy, nuclear
Processing: Turning, milling, grinding
Max Weight: ≤ 30 tons

Steel & Stainless Steel Shaft

Forged shafts with full machining capabilities for diverse industrial needs.

Origin: Runchi Shandong
Machining: Turning, milling, drilling, grinding
Max Weight: 30 tons
Materials: Carbon, alloy, stainless steel

Custom Forging Block

Precision blocks for bearing housings and structural components.

Materials: Carbon, carbon-manganese, alloy steel
Packaging: Iron, pallets, wooden boxes
Surface: Oil spraying, painting
Delivery: 10–20 days

Bearing Housing

Custom forged bearing housings for heavy-duty applications.

Origin: Runchi Shandong
Processing: Based on customer drawings
Surface: Oil spraying, painting
Applications: Mining, metallurgical machinery

Copper Forging

Specialized copper alloy forgings for electrical and industrial applications.

Material: Copper and copper alloys
Process: Hot open-die forging
Applications: Electrical, marine, energy
Custom: Based on technical specifications

Advanced Manufacturing Capabilities

Open Die Forging

Up to 30 tons with precise dimensional control and full heat treatment options.
Seamless Ring Rolling

Rings from 100mm to 6500mm outer diameter. Ideal for flanges, gears, and pressure vessels.
CNC Machining

Complete turning, milling, drilling, and grinding services for finished components.
Comprehensive Testing

Ultrasonic, magnetic particle, hardness, mechanical, chemical, and metallographic analysis.

Industries We Serve

Energy

Wind turbines, nuclear power, hydroelectric, and thermal power generation.

Marine

Propeller shafts, rudders, engine components, and offshore platforms.

Mining Machinery

Crushers, excavators, conveyors, and heavy-duty structural components.

Oil & Gas

Valve bodies, flanges, drilling equipment, and pipeline components.

Transmission

Gear blanks, shafts, couplings, and drivetrain components.

Metallurgical Machinery

Rolling mill components, furnace parts, and heavy industrial equipment.

Wind Power

Main shafts, gearbox components, and structural forgings for turbines.

Specialized Equipment

Custom solutions for aerospace, defense, and high-performance applications.

Frequently Asked Questions

What is your delivery time?

Our standard delivery time is 15 days from order confirmation.

What is your minimum order quantity?

We accept orders starting from 1 piece, making us ideal for prototypes and small batches.

What materials do you work with?

We process carbon steel, alloy steel, stainless steel, and copper alloys based on customer specifications.

Do you provide testing reports?

Yes, we provide comprehensive testing including ultrasonic, magnetic particle, hardness, and mechanical property reports.

Can you work from customer drawings?

Absolutely. We design and manufacture forgings based on customer-provided drawings, samples, or functional requirements.

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Precision Open Die Forging & Forged Rings