Designed to provide maximum service life in applications subject to severe sliding abrasion, high stress grinding, and moderate impact. Engineered to international standards including DIN 8555.
High-chromium alloyed welding wires providing hard overlays to resist severe abrasive wear. Superior structural performance under continuous thermal-mechanical loads.
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Custom-fabricated overlay wear plates utilizing dense chromium carbide microstructures. Unmatched protection against heavy particulate erosion and structural scoring.
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No shielding gas required. Optimized for on-site field maintenance, offering robust slag protection and uniform weld deposit geometry under extreme environments.
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Premium bimetallic composite plate consisting of a highly structural base steel layer and a hardfacing weld deposit containing up to 35% chromium carbides.
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Specifically developed for raw material handling chutes in Cement and Mining industries. Guaranteed to exceed 60 HRC through controlled metallurgical cooling.
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Featuring structural steel backing and high-hardness cladding corresponding to DIN 8555. Engineered to handle extreme friction and sliding wear in heavy industries.
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High-chromium alloy formulation engineered to resist high-stress grinding abrasion with minimal impact degradation. Perfect for rebuild applications.
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Extremely dense alloy matrix designed for ultra-fine grain surface hardfacing. Highly resistant to complex corrosive environments and severe wear parameters.
Learn More →In heavy industrial processing ecosystems—such as mining excavation, bulk dry handling, and metallurgical refinement—unplanned downtime remains the primary drain on operational profitability. Tribological wear, caused by solid particles continuously scraping against metal surfaces, degrades structural components and equipment housing at an alarming rate. According to global industrial surveys, mechanical wear accounts for up to 50% of the total energy loss in mining and mineral processing sectors worldwide.
To address this challenge, global asset managers are moving away from traditional single-layer structural steels (like mild steel or quenched-and-tempered options) toward composite bimetallic solutions. Tangshan Runxing Machinery Co., Ltd. is at the forefront of this shift, offering OEM and ODM hardfacing materials designed to improve the wear lifecycle of essential equipment by up to 300% to 500%.
"The deposition of chromium-rich carbide layers via highly automated welding setups represents the modern standard for heavy machinery lifecycle extension. Controlling dilution while optimizing the volume fraction of primary M7C3 carbides is critical to achieving high wear resistance."
Founded in 2010 in Tangshan, Hebei Province—the heart of China's heavy industrial and metallurgical region—Tangshan Runxing Machinery Co., Ltd. has established itself as a leading manufacturer specializing in the research, development, production, and on-site engineering of metal wear-resistant products.
Our comprehensive production facility features advanced automated metal surfacing equipment, allowing us to maintain strict quality control across our entire product range. This includes chromium carbide overlay (CCO) plates, custom wear liners, pipes, hardfacing flux-cored wires, and industrial roller repair services.
We work in close cooperation with leading research institutions to continuously improve our products. Notably, in 2023, leaders and material science experts from Tangshan University—including Dean Yuan Shaoqiang, Vice Dean Li Jing, and Professor Yang Yuehui (Team Leader of Metal Materials and Forming Technology)—inspected our facility to collaborate on advanced metal surfacing and microstructural refinement technologies.
Additionally, Runxing Machinery has been a trusted partner and qualified agent for VAUTID (Germany) for six consecutive years. This long-term relationship highlights our dedication to using high-grade wear-resistant materials and maintaining strict quality control standard procedures.
Supply Chain & Export Operations: To ensure efficient international operations, all export business is authorized and handled by Hebei Yuwan International Trade Co., Ltd. This specialized structure allows our engineering team in Tangshan to focus on material science and production quality, while global clients receive professional support with customs clearance, shipping logistics, and international payments.
We provide tailored wear protection systems designed to meet the operating requirements of challenging industrial sectors.
Equipment availability is critical in cement production. We supply wear-resistant CCO plates and components for vertical roller mills, separator guide vanes, and feed chutes to extend continuous runtime.
Providing custom-designed dump truck bed liners, bucket wear shrouds, and hopper liners. Engineered to withstand high-stress abrasion from hard quartz ore and abrasive minerals.
Handling sinter feed, coke, and slag involves high temperatures and extreme friction. Our high-temperature resistant cladding remains effective at elevated operating temperatures.
Wear protection for coal pulverizer components, fan blades, exhauster linings, and fly ash handling piping systems to ensure reliable power generation.
Protective lining solutions for grab buckets, hopper walls, and transfer chutes to minimize wear and maintain material throughput at transshipment points.
Integrating high-purity alumina ceramics with steel-backed polymer substrates. Ideal for applications with high sliding abrasion and moderate impact.
Ongoing development of next-generation nanostructured hardfacing alloys. Designed to improve crack resistance and shear strength under high loads.
Field data collection and analysis to refine weld patterns and composite structures, ensuring consistent performance in diverse environments.
Developing advanced metallurgy and automated systems to improve equipment lifecycle efficiency.
Transitioning from manual and single-gun systems to automated 4-gun CNC setups. This improves dilution consistency, reduces the heat-affected zone (HAZ), and ensures uniform primary M7C3 carbide formation across CCO wear plates.
Developing submicron-structured chromium-carbide and complex boro-carbide alloy compositions. These materials improve fracture toughness and resist micro-spalling in high-impact operations.
Designing self-shielded wires that minimize fume emissions and eliminate chromium-VI hazards in field welding, improving operator safety during on-site maintenance.
Integrating wear sensor telemetry with custom overlay layouts to predict component degradation. This allows maintenance teams to schedule surfacing interventions prior to structural failure.
Technical information and answers regarding chromium carbide overlay plates, wear performance, and alloy selection.
A Chromium Carbide Overlay (CCO) plate is a composite material consisting of a structural steel base plate (typically Q235B or Q345B carbon steel) clad with a wear-resistant alloy layer. Unlike quenched-and-tempered steels (such as Hardox or AR400/500), which rely on martensitic hardness, CCO plates utilize primary M7C3 chromium carbides. These carbides have a hardness of up to 1500 HV, providing superior resistance to sliding abrasion. In severe sliding environments, CCO plates can outlast traditional steel plates by 3 to 10 times.
DIN 8555 is the standard for classifying welding filler metals used for surfacing and hardfacing. Runxing's wear plates and flux-cored wires correspond to classifications like DIN 8555 MF10-60-GR (for high-chromium alloys designed for grinding abrasion) and MF10-65-G (for extreme wear applications). The first number designates the alloy group, the second indicates typical weld metal hardness, and the letters specify the wear mechanism resistance (e.g., G for abrasion, R for high stress).
Self-shielded flux-cored wire contains core components that generate their own shielding gas and slag during the welding process. This eliminates the need for high-pressure gas cylinders, flow meters, and wind protection, making it ideal for outdoor field surfacing on mining bucket lips, cement chutes, and conveyor components. It ensures a stable arc and high-quality weld deposits, even in windy field environments.
Dilution refers to the mixing of the base metal with the cladding alloy. High dilution introduces iron from the mild steel backing into the overlay, reducing the carbon and chromium concentration. This prevents the formation of the necessary M7C3 primary carbides, lowering the hardness of the final surface. Runxing maintains dilution below 10% in the primary layer through controlled deposition rates, optimized heat inputs, and automated CNC welding systems.
Hebei Yuwan International Trade Co., Ltd. is the authorized international trade partner for Tangshan Runxing Machinery. They handle all export-related logistics, including customs clearances, shipping documentation, and compliance with international trade terms. This partnership allows our factory team to focus entirely on manufacturing quality, while ensuring global customers receive professional logistics support.
Runxing Machinery actively participates in international mining and construction exhibitions to collaborate with global partners.
We presented our latest CCO plates and self-shielded wire systems at the 2024 International Construction and Mining Exhibition in Johannesburg, South Africa, showcasing solutions designed for high-stress gold and platinum mining applications.
Participating in South America's large-scale mining event, Runxing introduced specialized wear plate configurations designed to handle the high-altitude copper ore processing conditions found in the Andes region.
For six consecutive years, Runxing Machinery has been an authorized agent and user of VAUTID (Germany) welding materials, integrating their high-performance alloys into specialized wear solutions.
Collaborating with Tangshan University's Dean Yuan Shaoqiang and Professor Yang Yuehui to research metal forming techniques, optimizing our welding processes to improve microstructural consistency.
We manufacture advanced surfacing machinery and provide custom machining to supply turn-key wear solutions for global customers.
Featuring a 10.2-inch touchscreen CNC system and four independent welding guns. Highly automated setup designed for efficient wear plate production and roller rebuilding.
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Custom fabrication services including rolling, plasma cutting, countersunk mounting holes, and structural reinforcement for complex industrial equipment designs.
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Specialized resurfacing services for grinding rolls, vertical mills, and steel mill conveyor rolls, restoring worn surfaces to extend equipment service life.
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Formulated for open arc applications, producing uniform alloy deposits and high deposition rates with minimal spatter.
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We supply custom plate thicknesses, including 6 on 6, 8 on 8, and 10 on 10, tailored to meet specific industrial weight and space constraints.
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Engineered for outdoor welding, providing robust slag protection and reliable arc stability under challenging environmental conditions.
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Consisting of a structural steel backing and a hard overlay, designed to absorb impact energy while maintaining surface wear protection.
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High-hardness (60-65 HRC) overlay plates designed for extreme abrasion in raw material transfer chutes and hopper liners.
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Runxing machinery