Engineered high-toughness, corrosion-resistant castings configured for Northern Europe's rigorous maritime and heavy machinery applications.
Henan Hanhai Metallurgy Mining International Trade Co., LTD is a premier casting manufacturer in China, specializing in high-performance cast steel and cast iron components. Equipped with state-of-the-art production lines, rigorous chemical and physical testing protocols, and complete machining capabilities, we supply ultra-durable castings engineered for Norway and global markets across the offshore, mining, metallurgy, marine, and energy sectors.
"Hanhai Casting integrates design, casting, non-destructive testing, and final precision machining with an annual production output of 80,000 tons. Certified with ISO9001 and CE standards, we produce customized heavy castings built to withstand structural fatigue and aggressive operations."
To empower heavy industry with precision-engineered casting products and sustainable, state-of-the-art manufacturing excellence.
To remain a globally recognized foundry partner, providing reliable, high-spec steel and iron components for safety-critical systems.
Understanding Norway’s unique operational environments and mechanical specifications for safety-critical components.
Norway represents one of the world's most demanding markets for large-scale metallurgical castings. Characterized by offshore drilling operations in the North Sea, extensive marine transport fleets, specialized subsea extraction systems, and massive hydropower infrastructures, Norwegian industrial companies require steel and iron cast parts capable of surviving under extreme mechanical stress and in highly aggressive corrosion zones.
The Norwegian continental shelf (NCS) places strict safety demands on castings. Structures operating in subsea and splash-zone sectors require components that resist hydrogen-induced stress cracking (HISC) and localized pitting. Heavy castings used in offshore manifolds, tensioner rings, cable winches, and mooring blocks must maintain reliable fracture toughness at sub-zero temperatures (down to -40°C). This level of safety calls for specialized low-alloy steels, duplex stainless steels, and highly controlled heat treatments that Hanhai Casting regularly delivers to European standards.
Norway is powered almost entirely by renewable energy, primarily hydropower. The maintenance and modernization of high-head Francis and Pelton hydro turbines require large, fatigue-resistant steel castings, including guide vanes, runner hubs, and massive valve housings. Additionally, as Norway rapidly advances into offshore wind energy (both bottom-fixed and floating wind concepts like Hywind Tampen), the demand for robust casting components—such as large mooring fairleads, generator structural frames, and heavy-duty hub components—is expanding. High-integrity cast components act as critical anchor points and load-bearing structures in these offshore wind farms.
Norway's land-based mineral industries extract iron ore, titanium, coal, and aggregates. Heavy crushers, mill equipment, and rotary kilns operate under continuous high wear. Custom castings such as support sleeves, main shafts, crusher frames, and toggle plates are subject to severe abrasive wear. Hanhai Casting's manganese steel, alloy steel, and high-chromium cast iron alloys are optimized specifically to extend the wear life of equipment working in abrasive Norwegian rock quarries and mining fields.
Providing industrial buyers in Norway with reliable quality, cost efficiency, and fast delivery timelines.
At Hanhai Casting, we integrate the entire value chain in-house: from initial CAD design optimization, 3D casting simulation (MAGMASOFT), pattern making, sand preparation, induction furnace melting, casting, heat treatment, testing, and final precision machining. This eliminates third-party outsourcing delay risks and ensures direct, accountability-driven quality control.
We engineer castings customized with specific alloy configurations. From carbon steel (ASTM A27, LCC, LCB) to high-strength alloys (Cr-Mo steel) and special stainless steel, we ensure precise chemistry and mechanical properties validated by spectrographic analysis. Our low-temperature carbon steel castings meet strict impact testing requirements down to -40°C.
Our specialized export department manages ocean and multimodal freight routing. We dispatch custom castings from major Chinese ports directly to main Norwegian cargo ports, including Oslo, Bergen, Stavanger, and Trondheim. We handle customs clearances and provide robust maritime packaging to guarantee rust-free arrival.
How Hanhai Casting align with Norway's climate goals and low-carbon industrial initiatives.
As Norway implements its environmental mandates for carbon-neutral industrial supply chains by 2050, procurement managers are looking for partners that actively prioritize low-carbon footprints. Hanhai Casting is upgrading its production processes through a structured green foundry roadmap:
Over 25 years of metallurgical innovation, capacity expansion, and global supply chain partnerships.
Hanhai Casting was established with a clear focus on heavy steel and iron castings, laying down a solid technical foundation and expanding initial production facilities.
Introduced advanced electric induction melting furnaces and modern molding technologies. Expanded annual production capacity to support heavy metallurgy and domestic mining sectors.
Achieved ISO9001 and CE certification. Upgraded testing systems, including digital non-destructive testing (NDT), and expanded high-performance casting exports to the European, Middle Eastern, and Asian markets.
Integrated intelligent foundry management and environmental systems, driving low-carbon operations, sand recycling initiatives, and deep engineering partnerships with maritime companies in Norway.
Strict compliance with international standards to ensure safety-critical performance.
Providing specialized components to major industrial sectors in Norway and globally.
























From raw sand casting processes to finish-machined systems ready for installation.
Heavy-duty primary crushing systems engineered to break tough granite and ores in hard quarries.
Double roller designs providing excellent sizing control for medium-hard industrial minerals.
Classic secondary and tertiary crushing systems providing high-performance reduction ratios.
Used globally in mining, construction, metallurgy, and aggregate recycling to handle high abrasive wear on crusher frames, flywheels, and toggle seats.
Large components applied in heavy ball mills, SAG mills, rotary dryers, and kilns, including girth gears, support rollers, and mill trunnions.
Heavy hydraulic press structures, cylinder blocks, and crossbeams designed to withstand huge cyclical mechanical fatigue and high pressures.
High-grade valve bodies, gate casings, and hydraulic manifolds designed to manage high-pressure flows in subsea and overland transmission systems.
High-temperature equipment, including slag ladles, ingot molds, and charge baskets engineered to survive thermal shock up to 1600°C.
Our 9-step engineered workflow ensures compliance, precise geometry, and structural integrity from drawing to site handover.
Gather technical requirements, alloy grades, CAD files, dimensional specifications, and application parameters.
Provide structural calculations and casting simulations to optimize mold designs and minimize cooling defects.
Finalize tolerances, NDT inspection standards (UT, MT, RT), heat treatment charts, and commercial contract terms.
Molding, pouring, controlled cooling, and thermal heat treatment (normalizing, tempering, or quenching) in our foundry.
Conduct dimension verification, chemical analysis, mechanical testing, and ultrasonic/magnetic particle inspections.
Apply rust-preventative coatings, pack with sea-worthy wooden/steel framing, and ship directly to Norway ports.
Provide installation manuals, weld-procedure specifications (WPS) for assembly, and online structural engineer support.
Deliver comprehensive quality books: EN 10204 3.1 material certificates, NDT reports, heat treatment curves, and dimension logs.
Long-term support, wear component supply cycles, and routine engineering health audits for components in operation.
Frequently asked engineering, logistical, and metallurgical questions from Norwegian buyers.
Our comprehensive portfolio of heavy steel and iron castings, maintaining full traceability and certifications.