Surabaya, serving as the primary economic hub of East Java and the gateway to Eastern Indonesia, represents one of Southeast Asia's most rapidly expanding industrial sectors. Supported by critical maritime infrastructure such as the Port of Tanjung Perak and the Teluk Lamong Terminal, the region has transformed into an epicenter for heavy manufacturing, cement production, copper smelting, shipbuilding, and mineral processing. Surrounding industrial hubs, including Gresik, Sidoarjo, and Pasuruan, generate massive continuous demand for structural cast steel, wear-resistant alloy castings, and high-tonnage mechanical components.
As global supply chains demand heightened durability, thermal resilience, and strict dimensional accuracy, industrial procurement teams across Surabaya are shifting away from standard commercial-grade iron toward high-performance, alloyed cast steel components. Local mineral quarrying operations in East Java, alongside smelting expansion projects near Gresik, demand heavy crushers, kiln support rollers, and hydraulic components capable of operating reliably under relentless impact and abrasive wear.
Henan Hanhai Metallurgy Mining International Trade Co., LTD bridges this demand by serving as a dedicated heavy castings manufacturer and direct exporter for the Surabaya market. Utilizing electric arc furnace melting, advanced sand molding lines, and computer-simulated solidification modeling, Hanhai delivers customized metal casting solutions that withstand tropical maritime humidity, high mechanical fatigue, and heavy impact operations.
Annual Casting Output Capacity Supplying Global Heavy Industries
Fully Certified Metallurgical Manufacturing & Quality Protocols
Comprehensive Ultrasonic & Magnetic Particle Inspection Available
Henan Hanhai Metallurgy Mining International Trade Co., LTD is a premier Chinese foundry manufacturer specializing in high-tonnage cast steel, ductile iron, and specialized alloy parts. Operating state-of-the-art production facilities equipped with advanced melting furnaces, digitalized machining centers, and comprehensive testing laboratories, Hanhai delivers engineered solutions for mining, metallurgy, power generation, maritime infrastructure, and heavy construction worldwide.
By integrating design optimization, pattern making, casting, heat treatment, and precision CNC machining, we eliminate supply chain fragmentation for our international partners. For the Surabaya market, we provide direct export routes, comprehensive documentation, and structural customization designed to meet both international standards (ASTM, DIN, BS, JIS) and Indonesian local operational demands.
To empower global industrial infrastructure with precision-engineered casting components, sustainable manufacturing excellence, and uncompromised metallurgical reliability across high-stress operational environments.
To stand as the world’s most trusted heavy foundry brand, setting benchmarks in digital metallurgy, low-carbon casting processes, and long-term customer partnerships across Asia, South America, and Europe.
Hanhai Casting was established, focusing on heavy steel and iron castings for regional mining and crushing sectors, building a solid metallurgical engineering foundation.
Introduced advanced electric arc induction furnaces, resin sand molding lines, and expanded annual output capacity to serve major cement and steel mill groups.
Achieved ISO 9001 and CE structural certifications, upgraded non-destructive testing (NDT) systems, and scaled export channels across Southeast Asia, including Indonesia.
Integrated AI-driven MAGMASOFT flow simulation, digital spectrum analysis, and binder-jet 3D sand printing technologies for fast prototyping of complex structural components.
Selecting the optimal casting process and material composition is critical to preventing premature component failure under heavy dynamic stress, impact wear, and corrosive environments. Hanhai Casting employs three core foundry methodologies optimized for different part geometries, structural requirements, and volume needs:
| Casting Methodology | Target Alloys | Weight Capacity | Primary Application in Surabaya Sector |
|---|---|---|---|
| Sodium Silicate & Resin Sand Casting | Carbon Steel, Alloy Steel, High Manganese Steel | 500 kg – 120 Tons | Large Crusher Frames, Girth Gears, Slag Ladles, Hydraulic Press Panels |
| Precision Investment Casting | Stainless Steel, Heat-Resistant Alloy, Tool Steel | 0.5 kg – 150 kg | Industrial Valve Bodies, Pump Impellers, Aerospace & Defense Brackets |
| Centrifugal Metal Casting | Ductile Iron, Bronze Alloys, Alloyed Steel | 100 kg – 15 Tons | Hollow Shaft Sleeves, Rotary Kiln Bushes, Large Hydraulic Cylinders |
Engineered specifically for heavy crushing environments in mineral quarries across East Java. The material exhibits work-hardening characteristics: under continuous impact, the surface hardness increases from 200 HB to over 500 HB while maintaining a ductile core to absorb sudden mechanical shocks.
All heavy structural components undergo computer-controlled Normalizing, Quenching, and Tempering. This eliminates internal casting stresses, refines grain structures, and delivers precise mechanical properties certified via tensile, yield, and Charpy V-notch impact testing.
Jaw plates, cone crusher mantles, ball mill liners, and heavy support sleeves designed to handle high-abrasion gold, copper, and nickel ores processing.
Rotary kiln support rollers, tire rings, girth gear segments, and clinker crusher hammers tailored for high continuous thermal loads in Tuban and Gresik cement facilities.
Heavy structural steel beams, crane rope drums, winch housings, and marine mooring fittings engineered to withstand tropical saltwater environments.
Heavy hydraulic press wall panels, cylinder bases, and machine tool beds designed to endure millions of high-tonnage cyclic compression loads.
Cast steel slag ladles, ingot molds, transfer car frames, and furnace bells capable of handling molten metal temperatures exceeding 1,500°C.
Pressure-rated main valve bodies, turbine cylinders, and pump casings subjected to strict hydrostatic testing and 100% volumetric inspection.
Engineered using cast steel GS-16Mn5 with specialized stress-relief annealing to prevent thermal cracking during continuous molten slag dumping.
High-yield structural alloy castings machined to +/- 0.05mm tolerances for heavy container ship loading infrastructure.
Forged/Cast alloy rollers undergoing induction surface hardening to 55 HRC, extending operational lifespan by over 40%.
Client submits CAD/3D drawings, material grades, required NDT levels, and target operational conditions in East Java.
Hanhai engineers run MAGMASOFT flow modeling to predict shrinkage porosity, optimize riser design, and guarantee internal soundness.
Clear transparent quotation provided under FOB, CIF Tanjung Perak Port, or DDP Surabaya terms with fixed timelines.
Precision wood/metal pattern fabrication followed by electric arc furnace melting, argon degassing, and controlled pouring.
Thermal normalizing/tempering cycles followed by rough and final CNC machining to achieve exact drawing tolerances.
Ultrasonic (UT), Magnetic Particle (MT), CMM dimensional verification, and chemical spectral analysis issued with EN 10204 3.1 certificates.
Anti-corrosion VCI coating, heavy-duty seaworthy wooden crating, and ocean freight container loading for tropical sea transit.
Direct sea freight shipping to Tanjung Perak Port, Surabaya, complete with Bill of Lading, Certificate of Origin, and customs documentation.
Remote installation supervision, operational handover, and long-term wear part management for continuous operation.
Procuring heavy industrial castings into Indonesia requires strict compliance with local trade regulations, import duties, and technical standards. Hanhai Casting works closely with Indonesian engineering contractors, procurement agencies, and port logistics providers to ensure frictionless customs clearance at Tanjung Perak Port.
Standards Alignment: Our metallurgical production lines comply with global standards (ASTM A27, A148, A536, DIN EN 10293, JIS G5101), aligning seamlessly with Indonesian National Standards (SNI) for structural steel integrity. Mill test reports (MTRs) and EN 10204 3.1 inspection documentation are provided with every shipment.
Corrosion Protection for Humid Maritime Transport: Heavy steel castings shipped via sea routes to Surabaya face extreme humidity and saltwater spray risks. We apply heavy-duty VCI (Vapor Corrosion Inhibitor) oil layers, shrink-wrap protection, and custom structural steel cradles inside sea containers to eliminate oxidation during ocean transit.
Production lead times typically range from 30 to 45 days depending on pattern complexity and heat treatment requirements. Sea freight transit from our facility via major Chinese ports to Tanjung Perak Port in Surabaya usually takes between 12 to 18 days via direct vessel calls, ensuring reliable project planning for East Java operations.
Every casting undergoes MAGMASOFT simulation prior to mold pouring to optimize gating and risering. Post-production, we execute non-destructive testing including Ultrasonic Testing (UT) to ASTM A609 standards and Magnetic Particle Inspection (MT) to ensure 0% internal shrinkage cavities or critical subsurface defects.
Yes. Our engineering team utilizes portable 3D laser scanners and optical spectrometers to reverse-engineer worn physical components. We generate complete 3D CAD models and chemical composition reports, allowing us to replicate or even upgrade the material properties of your existing machinery parts.
Yes. Under the China-ASEAN Free Trade Area (ACFTA) agreement, we provide official Form E Certificates of Origin. This certificate allows Indonesian importers in Surabaya to claim significantly reduced or zero import tariff duties at Tanjung Perak Customs.
Get in touch with our metallurgical engineering team today for technical draw reviews, material recommendations, and competitive FOB/CIF Tanjung Perak quotes.
Send Inquiry Now
Hanhai