CAPABILITY
Gray Iron Casting
- Tolerances as precise as customized
- Production Capacity up to 100,000 tons annually
- Material Grades: HT200, HT250, HT300
- ISO 9001:2015, ISO 14001, IATF 16949:2016 Certified
What is Gray Iron Casting?

Gray Iron Casting is a process that produces components from gray iron, known for its flake graphite structure. This structure provides excellent vibration damping and compressive strength, making it ideal for parts like engine blocks, machine bases, and brake discs.
Gray iron is also highly machinable, reducing tool wear and manufacturing costs. Due to its durability and cost-effectiveness, gray iron casting is widely used in automotive, industrial, and construction applications.
Why Choose BNC’s Ductile Iron Casting Components?

Reliable casting for automotive, machinery, and construction applications. From prototypes to full production, we bring durability and precision to every part

Adherence to high standards in every step, from material selection to final inspection.

Dedicated communication and project support to ensure timely, effective solutions.

Affordable yet high-performing castings for applications requiring wear resistance and vibration damping.
Our Gray Iron Casting Capabilities
Process Capabilities
Our foundry offers sand casting, resin sand casting, and iron mold sand covering techniques, allowing us to produce complex shapes and large-scale components with consistency and accuracy.
- Sand Casting
Ideal for medium to large parts, providing flexibility in size and weight with excellent structural integrity. - Resin Sand Casting
Used for high-precision components requiring fine surface finish and dimensional accuracy. - Iron Mold Sand Covering
Suited for large, durable castings, achieving excellent wear resistance and strength. - V-Process Production Line
- Lost Foam Production Line
- Sand Casting
How to Order Parts?
1. Request for Quotation
Upload your drawing or email to our engineer directly.
2. Conduct Feasibility analysis
Our engineers will review your requirements and conduct a feasibility analysis.
3. Review and Confirm the Quote
Send you a quotation and wait for your confirmation.
4. Kick off the Project
Mold Order: will begin after confirmation
Sample Order: produced for production approval
5. Start Production
Your production order will be issued once sample approval. Besides, you will get timeline of the production to track.
6. Delivery Your Part
After all parts pass QC inspection, they will be well packed from transportation accidents. Then, your parts are delivered to your specified warehouse.
Gray Iron Casting Applications
Automotive
Industrial Machinery
Shipbuilding industry
Agriculture and Forestry Machinery
Power Generation
Railways
See why customers dig us
-Andrew Cole, Procurement Manager
-Laura Simmons, Engineering Lead
-Michael Turner, Production Manager
-Sarah Lee, Operations Supervisor
-Sophia Brown, Aerospace Engineer
-James Ward, Head of Engineering
-Laura Simmons, Engineering Lead
-Michael Turner, Production Manager
-Sarah Lee, Operations Supervisor
-Sophia Brown, Aerospace Engineer
-James Ward, Head of Engineering
-Andrew Cole, Procurement Manager
-Michael Turner, Production Manager
-Sarah Lee, Operations Supervisor
-Sophia Brown, Aerospace Engineer
-James Ward, Head of Engineering
-Andrew Cole, Procurement Manager
-Laura Simmons, Engineering Lead
Iron Casting FAQ
What is ductile iron?
Ductile iron, also known as nodular cast iron, is a type of cast iron known for its high strength, toughness, and ductility. The spherical graphite structure gives it enhanced mechanical properties compared to traditional cast iron, making it suitable for heavy-duty applications.
What are the advantages of ductile iron?
Ductile iron offers excellent strength-to-weight ratio, corrosion resistance, and fatigue strength. It is highly machinable and versatile, making it a preferred material for automotive components, construction machinery, and industrial equipment.
Can ductile iron be customized for specific applications?
Yes, ductile iron can be tailored to meet specific needs by adjusting its composition and heat treatment processes. This enables its use in diverse industries, from automotive parts like suspension components to structural supports in construction and power generation systems.
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