Explore our heavy-duty casting frames, industrial valve bodies, and customized mining machinery parts engineered to perform under extreme stresses.
Henan Hanhai Metallurgy Mining International Trade Co., LTD is a leading foundry manufacturer in China, specializing in premium cast steel and cast iron parts. With our advanced production lines, world-class thermal simulation software, and strict quality control, we supply highly durable castings for mining, metallurgy, power generation, and construction industries globally.
By integrating product design, heavy foundry work, and final precision machining, Hanhai Casting achieves an annual output of over 80,000 tons. Certified with ISO9001 and CE, we are trusted by infrastructure developers and engineering giants across Asia, the Middle East, Europe, and South America.
Our operational philosophy is rooted in long-term performance, sustainable steel metallurgy, and engineering excellence.
To empower global heavy machinery, mining operations, and structural projects with high-precision castings, cutting-edge material science, and sustainable manufacturing excellence that exceeds long-term operational expectations.
To be recognized as the premier global foundry brand, continuously innovating casting methodologies, reducing environmental footprints, and ensuring top-tier mechanical performance for the world's most demanding applications.
Over two decades of persistent R&D, structural scaling, and global partnerships.
Hanhai Casting was established with a focus on heavy steel and iron castings, laying a solid technical and production foundation for custom industrial parts.
Introduced advanced electric arc furnaces, ladle refining systems, and digital sand molding technology, expanding capacity to serve high-tier mining and metallurgical corporations.
Achieved ISO9001 and CE certifications, updated modern non-destructive testing (NDT) labs, and began heavy export of high-performance castings to Asia, Europe, and the Middle East.
Integrated intelligent foundry systems and digital management, driving sustainable manufacturing, low-carbon initiatives, and premium global OEM partnerships.
In modern industrial manufacturing, heavy cast steel and cast iron components form the structural backbone of high-stress systems. As global infrastructure demands shift toward deeper mines, higher-load forging presses, and high-efficiency crushing technologies, the mechanical integrity of heavy-duty casting frames, crystallizers, and valves becomes the limiting factor in operational reliability. Underperforming castings lead to catastrophic failures, unplanned shutdowns, and extreme maintenance costs. Our design team focuses on solving these pain points through optimized casting processes, precise alloy selection, and advanced heat treatment methodologies.
The global heavy-casting market is undergoing a structural transition. Sourcing managers are moving away from foundries that only offer basic casting. Instead, they seek partners that offer integrated solutions: design optimization (via Finite Element Analysis - FEA), advanced casting simulations, high-capacity melting, specialized heat treatment, and precision machining. From a macro perspective, the demand for components like mill heads, slag ladles, turbine cylinders, and large-tonnage press frames is rising due to the global expansion of resource processing and metal recycling plants. Supply chain resilience requires partners with large annual capacities (such as Hanhai's 80,000-ton capacity) to guarantee lead times and prevent delays in multi-billion dollar capital expenditure projects.
To ensure high performance, our foundry employs a broad spectrum of alloy compositions designed to meet global standards (ASTM, DIN, EN, ISO, and GB). The table below outlines our typical casting materials and their properties:
| Component Group | Material Class | Applicable Standard | Key Mechanical Characteristics |
|---|---|---|---|
| Heavy Press Frames | Carbon & Low Alloy Steel | ASTM A27 / A148 | High yield strength, fatigue resistance, and excellent weldability. |
| Crystallizers & Kiln parts | Heat-Resistant Alloys | ASTM A297 | Oxidation resistance up to 1100°C, high thermal creep strength. |
| Valve & Pump Bodies | Ductile / Nodular Cast Iron | EN-GJS-400-15 / 500-7 | Excellent pressure tightness, vibration damping, and impact resistance. |
| Crusher Support Sleeves | High Manganese Steel | ASTM A128 | Work-hardening under severe impact, preventing abrasive wear. |
Different regions face unique environmental challenges. For instance, mining projects in the high-altitude Andes of South America demand castings with low-temperature impact toughness to prevent brittle fractures. On the other hand, metallurgical facilities in the Middle East require slag ladles and turbine casings capable of cycling through thermal shock at extreme ambient temperatures. Hanhai Casting customizes the grain structure of castings through controlled solidification techniques and specialized chemical alloying (e.g., adding trace amounts of Ni, Cr, and Mo). This ensures that heavy components operating in extreme conditions deliver extended lifespans, minimizing downstream operational risks.
Providing specialized manufacturing capabilities for diverse heavy industrial sectors.
We cast and machine high-wear housings, main frames, and support sleeves for jaw, cone, and impact crushers. These parts are optimized for crushing ores, rocks, and recycling materials under continuous shock loads.
Large-scale processing requires components that can withstand long cycles. We supply mill heads, girth gears, kiln support rollers, and slag ladles, engineered to maximize throughput and uptime in cement and extraction plants.
Designed for hydraulic presses and high-tonnage forming machinery, our large cast steel frames, columns, and cylinders handle massive forces without deformation, using optimized thick-wall casting methods.
We supply precision-machined heavy hydraulic valve blocks, pump bodies, and high-pressure cylinder components. These parts offer high pressure tightness, zero porosity, and stable fluid flow under extreme system pressures.
From smelting to casting lines, our high-temperature components—including slag pots, ingot molds, and ladle transfer systems—resist thermal fatigue, chemical erosion, and structural distortion.
For custom engineering projects, we collaborate on component redesign, converting complex weldments into single-piece castings to eliminate weld failures and reduce structural weight.
Our commitment to quality is verified by global classification societies and international engineering partnerships.
In-depth technical catalog of Hanhai's leading structural and crushing products.
Our classic PE Jaw Crusher features high-quality cast steel frames, heavy eccentric shafts, and high-manganese jaw plates, delivering excellent primary crushing ratios for hard mineral processing.
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Featuring a dual-roll structure with energy-efficient torque transmission, this crusher is ideal for medium-hard and soft materials such as coal, gypsum, clinker, and oil shale.
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Engineered for medium and fine crushing of hard rocks. Equipped with a spring overload protection system, this crusher ensures stable particle size distributions and reduced liner wear.
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Optimized for continuous chemical crystallization. Features precision casting and machining, high corrosion resistance, and integrated heating/cooling structures.
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Our single-piece cast steel frames reduce structural stress concentration points, providing higher fatigue resistance compared to traditional welded designs under extreme mining loads.
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Forged with composite alloys to prevent surface pitting and grooving, these rollers extend service life in high-abrasion environments.
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High-manganese steel castings engineered to withstand heavy crushing impacts. Available in customized alloy modifications to match specific mineral characteristics.
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Combines optimized speed, stroke, and crushing chamber designs, delivering higher throughput and superior product shape for secondary crushing lines.
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A leading sand-making machine designed for fine crushing and shaping of high-hardness aggregates, utilizing a rock-on-rock crushing action to reduce wear costs.
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Features optimized deep-chamber rotors, higher throughput, and low energy consumption. A key component in major quarry and mineral processing plants.
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Features a heavy-duty eccentric shaft, a high-strength cast steel swing jaw assembly, and integrated casting bearing housings, delivering reliability in primary crushing.
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Heavy-duty fluid control valves designed to withstand high pressures and corrosive media in mining, power, and chemical processing networks.
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Cast with high-grade carbon steel and stainless alloys. Tested for pressure retention and zero structural leakage before machining.
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Manufactured using heat-resistant alloy steel to withstand continuous abrasive wear and thermal cycles in high-temperature blast furnaces.
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High-integrity casing components for steam and gas turbines, cast using high-creep-strength alloys to prevent thermal deformation.
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Heavy cast steel support rollers designed to carry high radial loads in rotary kilns, dryers, and drum mixers.
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Industrial sumps designed for heavy mineral slurries and corrosive processing fluids, featuring enhanced erosion resistance.
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Engineered to withstand cyclic thermal shocks, Hanhai slag pots and ladles prevent premature cracking during high-temperature operations.
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Designed for heavy pulp and slurry flow control networks, protecting downstream systems from pressure spikes and premature wear.
Learn More →Our castings operate in critical segments where material integrity directly impacts production safety.
A visual gallery showcasing our cast components deployed across major infrastructure projects worldwide.
Our systematic 9-step quality assurance process, from design validation to global shipment.
Heavy machinery casting projects require close collaboration. Our workflow minimizes defects, ensures correct alloy configurations, and guarantees high quality through in-process inspections.
We review technical drawings, dimensional tolerances, and alloy specifications to confirm project requirements.
Using CAD and solidification simulation tools, we optimize the gating and riser layout to prevent shrinkage porosity.
Final confirmation of inspection plans, material test templates, and commercial delivery terms.
Pouring, mold stripping, heat treatment, and precision CNC machining are executed under strict process controls.
Ultrasonic Testing (UT), Magnetic Particle Testing (MT), and coordinate measuring machines (CMM) verify casting soundness.
Corrosion-proof packaging and heavy cargo planning ensure safe ocean transport to global destinations.
Our engineers assist with structural alignment, welding procedures, and installation on-site or via remote networks.
We deliver comprehensive documentation, including material test certificates, NDT records, and maintenance manuals.
We provide long-term wear parts supply, structural condition monitoring advice, and repair support.
Innovating casting methods to improve mechanical properties and support sustainable operations.
By incorporating micro-alloying elements and controlling solidification rates, we optimize the micro-structure of large-tonnage castings. This reduces grain boundary defects and increases impact toughness by up to 25% in sub-zero applications.
We integrate IoT sensors into our melting and heat-treatment furnaces. Real-time temperature control and simulation modeling prevent internal thermal stress fractures during critical cooling phases.
We are optimizing sand reclamation rates, reducing raw silica usage, and utilizing electric induction melting systems powered by renewable energy resources to lower the carbon footprint of our operations.
Explore our secondary showcases, featuring large steel casting beams, crusher components, and CE-certified structural frames.
Technical guidance for global procurement managers and structural engineering teams.
We use MAGMAsoft solidification simulation to analyze heat transfer during design, identifying potential hotspots and shrinkage locations. During production, we adjust casting risers and incorporate chilling blocks. Post-casting, we use Ultrasonic (UT) and Radiographic (RT) testing to verify that there are no subsurface defects.
We provide a comprehensive quality documentation package for each shipment, including: Chemical Composition Reports (OES), Mechanical Performance Certifications (Tensile, Yield, Impact toughness, Brinell Hardness), Nondestructive Testing reports (UT, MT, PT), Dimensional Inspection reports, and Heat Treatment charts showing precise temperature-time profiles.
We modify alloy elements to meet specific site requirements. For example, for crushers in freezing climates, we add small percentages of Nickel to carbon steel to increase low-temperature impact toughness. For corrosive metallurgical lines, we add Chromium and Nickel to improve rust and corrosion resistance.
Lead times vary depending on size and complexity. Generally, pattern design and engineering confirmation take 2 to 3 weeks. Casting, heat treatment, and rough machining take 4 to 6 weeks. Precision final machining and NDT inspection take 2 to 3 weeks. The typical lead time from design approval to delivery at the port is 8 to 12 weeks.
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