Explore our premium range of primary, secondary, and fine material crushing assemblies manufactured under strict ISO9001 and CE standards.
We are a leading foundry manufacturer based in China, specializing in precision cast steel and heavy-duty cast iron parts. With our fully integrated operations combining advanced production lines, cutting-edge metallurgical research, and rigorous quality control, we supply highly durable castings to the global mining, metallurgy, power generation, and construction industries.
Hanhai Casting seamlessly integrates architectural design, structural foundry casting, and secondary precision machining with an annual output capacity of 80,000 tons. Our state-of-the-art facilities allow us to process single steel castings weighing up to 150 tons, making us the partner of choice for mega-scale industrial equipment suppliers worldwide.
To empower heavy industry with high-precision casting solutions and sustainable manufacturing excellence.
To be a trusted global foundry brand, continuously innovating to deliver long-lasting industrial wear parts.
Deep-dive analysis on procurement patterns, macro engineering challenges, and structural solutions for large-scale mining operations.
Modern infrastructure projects in the Middle East, Southeast Asia, and South America demand massive aggregate volumes. Procurement specialists prioritize lifetime cost-efficiency over low initial prices. Hanhai Casting addresses this by fabricating wear-resistant components (such as manganese steel mantles and alloy steels) that optimize uptime under high-load continuous operations.
Aggregate processing operations face extreme mechanical stress, abrasive friction, and structural fatigue. Standard castings quickly micro-fracture, causing sudden downtime. Advanced manufacturing utilizes Finite Element Analysis (FEA) and tailored heat-treatments to ensure structural sumps, bearing housings, and shafts withstand multi-axial stress in harsh field conditions.
Selecting appropriate cast materials is crucial. Heavy jaw and cone crusher frames rely on high-grade carbon and low-alloy steels (like ASTM A148) to provide superior tensile strength and impact toughness. For wear parts, manganese steel (ranging from 13% to 22% Mn) offers work-hardening characteristics that extend mechanical service life by up to 2.5 times.
Hanhai Casting leverages smart foundry technologies, sophisticated thermal processes, and high-precision machining systems.
To achieve exceptional structural stability, our metallurgical process relies on vacuum degassing, electric arc furnace melting, and argon oxygen decarburization (AOD) refining. This minimizes hydrogen, oxygen, and nitrogen inclusions, reducing structural defect rates to under 0.5% in heavy cast components.
| Component Type | Standard Grade | Hanhai Optimized Grade | Wear Life Increase |
|---|---|---|---|
| Cone Crusher Mantle | Mn13Cr2 | Mn18Cr2 / Mn22Cr2 | +35% to +50% |
| Jaw Plate Outer Shell | Standard Cast Steel | Carbon-Alloy High-Toughness | +40% fatigue life |
| Bearing Housings | ASTM A27 Gr 65-35 | ASTM A148 Gr 90-60 | +30% Yield Strength |
Hanhai Casting has continuously innovated to evolve from a local foundry into a trusted global supplier of metallurgy parts.
Hanhai Casting was established with a focus on heavy steel and iron castings, laying a solid technical and production foundation.
Introduced advanced melting and molding technologies, expanded output capacity, and served key mining and metallurgy sectors domestically.
Achieved ISO9001 and CE certifications, upgraded testing systems, and began exporting high-performance castings to Asia and the Middle East.
Integrated intelligent systems and digital management, driving sustainable manufacturing and strategic global customer partnerships.
Providing high-durability, custom-designed casting products mapped to key heavy machinery application sectors.
Widely utilized in mining, metallurgy, construction, chemical processing, and recycling for primary crushing of hard ores, rocks, slags, and recycled concretes.
Applied in high-impact mills, rotary kilns, and large-scale material grinders. Engineered to resist chemical corrosion and severe wear under constant friction.
Designed to support high-tonnage hydraulic forging presses, yielding robust cross-sectional performance that withstands severe fatigue cycles.
Cast valve bodies, manifold blocks, and cylinders designed for hydraulic and heavy construction systems requiring reliable pressure retention.
Tailored slag pots, ingot molds, and smelting accessories constructed to withstand extreme thermal shock and prolonged high-temperature exposure.
Our structured workflow ensures clear communication, precise engineering alignment, and strict quality control from initial design to site commissioning.
Deep-dive discussion on site operating parameters, material feeds, and custom part requirements.
3D CAD drafting, solid modeling, and structural finite element analysis for components.
Alignment on tolerances, material testing procedures, and commercial terms.
Pattern making, melting, pouring, and computerized heat-treatment processes.
Non-destructive ultrasonic testing (UT), magnetic particle testing (MT), and dimension checks.
Heavy-duty, weather-resistant packing for secure ocean and land transport.
Detailed engineering guidelines and on-site support to ensure correct assembly alignment.
Handover of operational manuals, lubrication schedules, and safety instructions.
Continuous spare parts supply, regular component checkups, and quick-response warranty support.
Our products are deployed in mining operations and heavy industrial facilities across Europe, Asia, and South America.



























Explore our heavy-duty component parts, supporting shafts, and customized screening machinery.
Expert answers addressing the technical aspects, quality benchmarks, and logistics of mining and crusher castings.