Steel Forging Experts | Oilfield & Industrial Forged Components

About ZWForging

Henan Ziwei Trading Co., Ltd., based in Jiyuan City, China, is a trusted provider of high-quality steel forging solutions. Located in a renowned industrial zone, we leverage advanced manufacturing technologies including heavy forging, deep hole drilling, heat treatment, threading, milling, carburization, and surface hardening.

With years of industry experience and access to a network of specialized suppliers, we deliver tailored forging services that meet strict quality, delivery, and cost requirements. Our national-level laboratory ensures every component meets international standards.

Supplier sourcing with material stock optimization
Factory visit coordination for quality assurance
End-to-end technical support and logistics

Our Forged Products

Precision-engineered steel forgings for oilfield, energy, and industrial applications. All components are manufactured to exacting standards with full traceability.

Integral Blade Drilling Stabilizer

High-strength AISI 4145H MOD steel stabilizers designed for downhole drilling applications with superior wear resistance.

Material: 4145H MOD
Application: Oilfield drilling
Process: Forging + Heat Treatment + Machining

Forged Shaft

Custom open-die forged shafts for heavy machinery, pumps, and industrial equipment. Available in various diameters and lengths.

Material: 4140, 4340, EN26
Max Diameter: Up to 800mm
Process: Open Die Forging + Deep Hole Drilling

Roller Shaft

Precision roller shafts for drilling tools and downhole motors. Engineered for high torque and fatigue resistance.

Material: AISI 4340, 4140
Features: Carburized & Surface Hardened
Testing: NDT, Hardness, Tensile

Mould Block

High-precision forged mold blocks for pipe forming and extrusion dies. Excellent dimensional stability and thermal resistance.

Material: 4140, H13 Tool Steel
Finish: Machined to ±0.05mm
Application: Pipe die / pipe mold

AISI 4140 Ring / Bushing / Flange

Forged rings and circular components for pressure vessels, valves, and structural applications.

Material: AISI 4140, 4340
Diameter Range: 200–1500mm
Standards: ASTM, ISO, DIN

Open Die Forged Parts

Custom large-scale forgings including discs, blocks, and shafts for energy, marine, and heavy equipment sectors.

Weight Range: 100kg – 10,000kg
Capabilities: Up to 5000T forging press
Heat Treatment: Quench & Temper, Normalizing

4340 Hollow Bar

High-strength alloy steel hollow bars ideal for shafts, spindles, and structural components requiring deep hardening.

Material: AISI 4340
Process: Forged + Bored + Heat Treated
Testing: Ultrasonic, Magnetic Particle

4140 Bored Bar

Precision-bored 4140 steel bars with tight tolerances for hydraulic cylinders, actuators, and transmission systems.

Material: AISI 4140
Bore Tolerance: H7
Surface Finish: Ra ≤ 1.6μm

EN26 Round Bar

High-tensile EN26 (815M40) alloy steel round bars for aerospace, defense, and high-performance engineering.

Standard: BS S132, AMS 6414
Condition: Annealed or QT
Diameter: 50–600mm

Pipe Mold / Pipe Die

Custom-designed forging dies and molds for seamless pipe extrusion and forming processes.

Material: H13, 4140, Tool Steel
Features: Water-cooled, wear-resistant
Service: Design + Fabrication + Maintenance

Advanced Manufacturing Capabilities

From raw material to finished component, we offer a full spectrum of in-house processes backed by technical expertise and quality control.

Heavy Forging

Up to 5000T forging capacity for large shafts, rings, and structural components.

Deep Hole Drilling

Precision deep hole drilling up to 3000mm depth with tight straightness control.

Heat Treatment

Quench & temper, normalizing, annealing, carburizing, and surface hardening.

Quality Lab

National-level laboratory with NDT, tensile, hardness, and chemical analysis.

Frequently Asked Questions

What materials do you commonly forge?

We specialize in alloy steels including AISI 4140, 4340, 4145H MOD, EN26, and tool steels like H13. Custom materials are available upon request.

Can you handle large or custom-sized forgings?

Yes, our open-die forging press supports parts up to 5000T capacity, with shafts up to 800mm diameter and 10,000kg weight.

Do you provide heat treatment and machining?

Yes, we offer full in-house services including quench & temper, carburizing, surface hardening, deep hole drilling, threading, and precision machining.

What industries do you serve?

Our products are used in oil & gas (downhole tools), energy, heavy machinery, aerospace, and industrial manufacturing sectors.

Can I visit your facility?

Yes, we welcome client visits and can assist with logistics and factory tours to ensure transparency and quality confidence.

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Precision Steel Forging for Demanding Industries