Large Castings Manufacturer | Heavy Iron & Steel Casting Parts Supplier

Custom Large Castings for Mining & Construction | OEM Supplier

As a trusted large castings manufacturer, we produce heavy-duty iron castings and ductile iron castings with weights ranging from 500 kg to 20,000 kg. Utilizing advanced sand casting technology, our products are designed for industries requiring extreme durability, such as:

• Mining & Mineral Processing Equipment

• Construction Machinery Components

• Hydraulic Systems & Pump Housings

• Wind Turbine Bases

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Sand Casting Process for Large Iron Components

Our large sand castings are produced with resin-bonded sand molds to achieve complex geometries and wall thicknesses up to 500 mm. All castings undergo UT/RT testing and chemical analysis to meet ASTM/EN standards.

We offer end-to-end solutions for large custom castings:

1. Design Support: Pattern 3D printing & simulation.

2. Machining Services: CNC milling, drilling, threading.

3. Surface Treatment: Shot blasting, epoxy coating.

4. Flexible MOQ: From prototypes to bulk production.

Transportation modes：Including sea transportation, railway transportation, and road transportation.

Minimum order quantity：Comprehensive evaluation based on actual orders.

Qualification certification： Complete qualifications to ensure reliable quality.

Sales countries：We have provided products to users regions including Asia, Southeast Asia, Europe, North America, and Africa, serving countries such as the United  States, Japan, South Korea, France, Germany, Thailand, Vietnam, the United Arab Emirates, and Saudi Arabia. Looking ahead, we eagerly anticipate cooperating  with more global buyers.

FAQ

Q1:How do you ensure your product quality?

A: We strictly adhere to international standards and industry norms for production and quality control. All products undergo rigorous quality testing to ensure they meet customers' requirements and expectations. Additionally, we provide a comprehensive quality assurance system and after-sales service.

Q2:What are your main casting products?

A:Our castings are widely used in various fields such as automobiles, engineering machinery, mining machinery, agricultural machinery, machine tools, piping, renewable energy, and municipal infrastructure. Specific components include heavy-duty truck chassis parts like integral crossbeams, U-bolt seats, leaf spring seats, support seats, balance shaft housings, steering gear housings, and engine brackets; engine parts such as flywheels and flywheel housings; axle parts including base plates, shoe brakes, hubs, brake hubs, calipers, brackets, differential housings, and wheel hubs; wind power components like motor bases and lower engine blocks; and agricultural machinery parts such as counterweights.

Q3:What are the grades of castings you produce?

A:Our castings primarily include gray iron and ductile iron: Gray iron grades: HT100, HT150, HT200, HT250, HT280, HT300, HT350, HT400; Ductile iron grades: QT400, QT450, QT500, QT600, QT700, QT800, etc.

Q4:Do you have surface treatment capabilities?

A:Yes, we have professional painting lines and spray painting rooms that can meet various primer and topcoat painting requirements.

Q5:What casting production processes do you have?

A:We currently offer sand casting, investment casting (also known as lost-wax casting), die casting, pressure casting, centrifugal casting, full mold casting (also known as lost foam casting), and V-process casting (also known as vacuum casting).

Q6:What are your advantages?

A:We have our own supply chain for pig iron and ferroalloys, providing us with material cost advantages and material security.

We have developed our own product lines and integrated resources from thousands of high-quality casting suppliers in China, enjoying a good reputation in our collaborations.

We can meet the casting needs of 99% of our customers.

Q7:What after-sales services do you provide?

A:Tiegu provides comprehensive after-sales services including product consultation, technical support, repair, and replacement. If you encounter any issues or need assistance during use, please feel free to contact our customer service team. We will sincerely provide you with excellent service and support.

Q8:Do you have the capability for customized processing?

A: We have a machining workshop equipped with various large, medium, and small numerical control gantry machines, machining centers, and other professional equipment. With years of experience in casting engineering, we can provide comprehensive customized services.

Q9:How can I establish a partnership with you?

A: You can fill out an online form and leave your information, or directly contact our team.