Featuring a high density of primary Cr7C3 chromium carbides aligned perpendicular to the surface, delivering extreme protection against severe sliding abrasion.
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Precision-engineered cladding solutions offering customizable base steel configurations and overlay thicknesses to survive under extreme high-temp operations.
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High hardness hardfacing plates engineered specifically for severe abrasive applications in cement plant chute liners and mining material flow channels.
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High alloy content welding wire designed for field repair work. Performs exceptionally without shielding gas, providing a deposit with uniform high stress grinding abrasion resistance.
View Wire Series →Sri Lanka’s strategic position as an Indian Ocean maritime hub, coupled with its rapid infrastructural and agricultural modernization, has led to a dramatic increase in mechanical wear challenges across key domestic industries. Heavy processing sectors such as aggregate quarrying, mineral sand separation (e.g., ilmenite, rutile, and zircon extraction in Pulmoddai), thermal power plants (such as the Norochcholai Coal Power Station), and cement manufacturing facilities in Puttalam and Galle operate constantly under intense geological and thermal stress.
Local industrial operations suffer significantly from the abrasive characteristics of native materials—ranging from highly abrasive quartz sands and hard rock granites to high-silica clinker raw materials. Additionally, the tropical coastal climate of Sri Lanka accelerates galvanic and chemical corrosion when paired with abrasive mechanical actions. Standard mild steels or even traditional quench-and-tempered steels (such as wear-resistant carbon steels) quickly degrade under these conditions, resulting in expensive unplanned downtime and high maintenance replacement costs.
To support this growing economy, we supply tailored wear protection engineering solutions directly to Colombo, Hambantota, and remote inland mining areas. By maintaining strict control over the metallurgical structure of our hardfaced alloys, we ensure that Sri Lankan operations can extend their equipment life cycle by up to 5 to 10 times compared to conventional structural steels.
In the past, heavy industrial systems relied on basic surface hardening or high-manganese cast steel liners. Today, modern engineering demands hypereutectic microstructure control. Our chromium carbide overlay deposits present a high volume fraction of chromium-rich M7C3 primary carbides embedded in a tough austenitic matrix. This provides a hard skeleton that blocks aggressive abrasives (such as silica and granite) from excavating the base metal, while the tough matrix absorbs impact loads.
Global procurement teams now focus heavily on minimizing overall operating expenses rather than choosing the cheapest initial product. By installing high-performance CCO liners, plants can run continuously between scheduled annual shutdowns without stopping for emergency patch welding. This reduces maintenance labor costs, reduces safety risks associated with entering confined chute spaces, and eliminates production losses.
All international transactions, shipping arrangements, customs procedures, and payment transfers for Tangshan Runxing Machinery are handled by our fully authorized trading partner, Hebei Yuwan International Trade Co., Ltd. This division of responsibilities ensures that our domestic engineering and production teams focus entirely on manufacturing quality and process improvements, while our global clients receive seamless, compliant, and transparent shipping directly to Colombo Port under Incoterms like FOB, CIF, or CFR.
Composite materials comprising structural backing steel and a hard weld overlay, corresponding to DIN 8555 standards. Engineered to absorb high impact energy while maintaining sliding wear defense.
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High chromium alloy hardfacing wire designed to withstand aggressive abrasion under light impact loads. Ideal for reclaiming and protecting critical heavy equipment components in the field.
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High alloy cored wire deposits engineered to prevent fine mineral scratching and high-stress grinding abrasion. Used across processing plants globally to rebuild severe wear components.
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High-automation surfacing machinery with an intuitive 10.2-inch touchscreen numerical control system. Operates up to 4 welding guns simultaneously for rebuilding rollers and manufacturing high-uniformity composite wear plates.
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Providing complete customized wear liners, CAD design verification, counter-sunk drilling, plasma arc cutting, and precise assembly for complex industrial machinery and custom chutes.
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Extension of mill grinding rollers, continuous casting rolls, and crusher drum life cycles. Utilizing proprietary cladding techniques to lower long-term spare parts inventory costs.
See more products >Founded in 2010 in Tangshan, Hebei Province—the heartland of steel manufacturing—Tangshan Runxing Machinery Co., Ltd. has developed into a leading developer and producer of hardfacing metal wear products and automated systems. Over more than a decade, we have established advanced research labs and modern fabrication workshops to support global bulk material handling and heavy-industry applications.
Our comprehensive production program includes Chromium Carbide Overlay (CCO) wear plates, custom fabricated wear liners, hardfaced wear pipes/bends, automated surfacing repair services, and special wear-resistant cored wire lines. In compliance with strict international quality management systems, we ensure that every square meter of wear overlay plate features a uniform carbide configuration and superior bonding strength to prevent surface delamination under mechanical shock.
All export business is handled by Hebei Yuwan International Trade Co., Ltd., which oversees customs clearance, shipping procedures, trade documentation, and payment operations, while our manufacturing facility remains focused on metallurgical innovation and maintaining a stable production cycle.
"Integrity, Superior Quality, Innovation & Sustainable Development. We strive to provide customized wear protection systems to reduce downtime, increase operating efficiency, and optimize global mineral, metallurgical, and cement production lines."
Extending operational runs in local cement plants by protecting vertical roller mill hoppers, raw meal separators, clinker chutes, and transfer drop-points from severe impact and friction.
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Providing heavy-duty protection for graphite mining dump boxes, aggregate jaw crusher plates, sand sizing vibratory screens, and dragline shovel buckets in inland quarries.
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Protecting blast furnace charging systems, sinter screen decks, guide chutes, and hot coke guide structures operating under high-temperature environments.
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Mitigating erosion on pulverizer coal mill bodies, exhauster fan blades, fly ash conveying lines, and pneumatic boiler feed pipe elbows.
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Protecting grab buckets, hopper walls, transfer conveyor plates, and stacker-reclaimer liners handling bulk coal, iron ore, and hard grains.
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Sintered high-purity alumina ceramic liners designed to offer chemical corrosion resistance and extreme sliding abrasion protection in high-speed fluid lines.
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Continuously developing custom wear-liners and overlay profiles to meet the changing design requirements of high-speed processing machinery.
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Adapting hardfacing chemical specifications to address new abrasive combinations under high-humidity or acid-alkali chemical environments.
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Our specialized platform provides global procurement teams with access to engineering calculators, material selection tools, and product datasheets for wear protection products.
Presenting our high-hardness overlay materials, automated welding systems, and mill roll repair services to global mining and power grid operators.
Hosting Dean Yuan Shaoqiang, Vice Dean Li Jing, and Professor Yang Yuehui to conduct research on hardfacing weld metal microstructure optimization.
Integrating VAUTID's specialized welding alloys into high-stress applications to ensure consistent service life under severe field operations.
Introducing our high-hardness CCO wear liners to large-scale copper, iron, and gold mining operations in South America.
Contact our technical department today to receive a wear-resistance calculation and material proposal.
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The cracks visible on CCO wear plates are stress-relief cracks. They form naturally during the high-temperature welding process as the weld pool cools and shrinks. These cracks only occur in the hard overlay layer and do not penetrate the structural steel base plate. They are essential to prevent the composite plate from warping and do not compromise wear performance during operation.
Because the overlay layer is extremely hard (often 58-62 HRC), standard mechanical band saws or oxy-fuel torches cannot cut through it. CCO plates must be cut from the base-metal side using high-definition plasma arc cutting or waterjet systems. They can also be formed and rolled into curves or pipes using heavy plate bending machines, keeping the overlay on either the inside or outside surface depending on application needs.
We perform ASTM G65 dry sand/rubber wheel abrasion testing to measure volumetric material loss. This standard simulates severe sliding abrasion, ensuring that our production runs meet or exceed the performance thresholds required for high-abrasion environments.
All global export activities are managed by Hebei Yuwan International Trade Co., Ltd. We arrange sea freight directly to Colombo Port or Hambantota Port, providing complete shipping documentation (Bill of Lading, Certificate of Origin, Mill Test Reports, Commercial Invoice, Packing List) to ensure smooth customs clearance and delivery to your site.
Bimetallic plates designed for extreme abrasion resistance, suitable for heavy transfer chutes and screens.
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Fully customized overlay thickness options designed to extend the service life of heavy process components.
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The Runxing RX-m series is engineered specifically for mining and cement chute liners handling high material volumes.
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Specialist hardfacing wire designed for field welding maintenance, providing high-stress grinding abrasion resistance.
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Premium wear protection plate designed to handle aggressive abrasive wear and impact in cement and bulk material systems.
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Offering specialized wear plates built to international specifications for dredging, steel mills, and mineral separation.
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Designed to provide consistent surface hardness and structural integrity in high-wear bulk handling lines.
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High-performance welding consumables designed for industrial hardfacing, overlay rebuilding, and wear plate repair.
View Options →Consult our engineering team to design custom chute liners, select hardfacing wires, or arrange CCO plate deliveries to Sri Lanka.
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