Explore our high-performance product lineup designed to counter severe abrasion, impact, and thermal fatigue in demanding heavy industries.
Premium wear plates featuring high-density primary chromium carbides bonded to structural steel backing for extreme sliding abrasion protection.
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Runxing RX-m Series optimized for severe mining and cement chute applications, engineered to withstand extreme stress grinding abrasion.
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High-chromium alloyed flux-cored wires engineered to deposit high-hardness wear surfaces with superior bead control under open-arc configuration.
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Double-layer wear resistant clad plates displaying exceptional interfacial bonding, uniform carbide distribution, and smooth surface finishes.
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Designed for on-site fabrication and outdoor hardfacing operations without the need for external shielding gas. Ideal for high-stress wear environments.
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High carbon, high chromium alloy cladding structured on tough carbon steel backing, meeting DIN 8555 standards for industrial wear mitigation.
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High-alloyed materials formulated for Plasma Transferred Arc surfacing, ensuring precision overlays, minimal base metal dilution, and high density.
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Multi-gun high-efficiency automated CNC hardfacing welding stations designed for wear plate cladding and roll recovery operations.
Learn More >In modern heavy industrial processing, the degradation of mechanical components due to abrasive, erosive, and adhesive wear constitutes a significant source of operational downtime and capital expenditure. Operating environments within the cement, steel, mining, power generation, and port handling sectors expose structural elements to intense grinding forces, high-velocity particle bombardment, thermal gradients, and chemical corrosives. Standard structural steels are structurally inadequate under these conditions, resulting in rapid material thinning, mechanical distortion, and catastrophic component failure. Addressing these issues demands advanced surface engineering, primarily through the deployment of Chromium Carbide Overlay (CCO) wear plates, specialized hardfacing flux-cored welding wires, and high-efficiency automated surfacing machinery.
The core wear mitigation performance of CCO plates lies in their microstructural configuration. Under controlled welding parameters, the fusion of high-chromium, high-carbon alloys onto a mild steel base creates a hypereutectic microstructure. During solidification, this chemical composition promotes the formation of primary M7C3 chromium-rich carbides embedded in a tough, support matrix of eutectic austenite or martensite. Primary M7C3 carbides display a micro-hardness range of 1200 to 1600 HV (Vickers), significantly higher than the quartz particles (approx. 900-1100 HV) encountered in typical mining and cement handling lines. The orientation of these primary carbides perpendicular to the wear surface provides a robust defense against sliding abrasion, while the ductile matrix prevents structural crumbling under moderate impact.
For engineering applications requiring reliable and predictable service lifespans, understanding the balance between carbide volume fraction, alloy dilution, and base plate bonding is critical. High-stress grinding abrasion necessitates a high carbide density. However, if the carbon and chromium concentrations are not correctly controlled, or if the welding process induces too much dilution from the base metal, the concentration of primary carbides decreases. Consequently, the microstructure shifts toward a softer eutectic phase. Therefore, partnering with a supplier capable of precise metallurgical control is vital for reducing the Total Cost of Ownership (TCO) of wear liners, chutes, pipes, and milling rollers.
A look at the integration of CNC positioning, multi-gun synchronization, and next-generation metallurgy in high-performance surfacing operations.
Modern industrial surfacing equipment uses digital numerical control interfaces (such as our 10.2-inch touch-screen consoles) to coordinate up to four welding guns simultaneously. This ensures uniform temperature distribution, manages thermal distortion on large plates, and achieves precise swing welding parameters.
Our technology focus is on controlling the dilution rate of the weld overlay. By balancing the arc voltage, wire feed rate, and travel speed, we limit the migration of iron from the base plate to less than 10% in the first layer. This maximizes chromium carbide concentration right at the surface interface.
Supporting solid-core, open-arc self-shielded, and submerged arc processes enables versatile repair and production configurations. This adaptability is critical when rebuilding specialized equipment, including vertical mill rolls, industrial fans, and complex chute structures.
Looking to the future, the hardfacing industry is moving toward higher energy density processes such as Plasma Transferred Arc (PTA) and Laser Cladding. These methods yield precise deposit thicknesses with dilution rates under 5%, refining the primary carbide structure. A finer carbide distribution provides superior resistance to erosion under high-speed particle streams. Additionally, this technological shift facilitates the deposition of complex alloys enriched with refractory metals like niobium, tungsten, boron, and vanadium. The result is a secondary phase of complex carbides that perform reliably at temperatures exceeding 600°C, typical of iron sintering and coke processing plants.
Founded in 2010 and located in Tangshan, Hebei Province—the heart of China's steel and industrial manufacturing belt—Tangshan Runxing Machinery Co., Ltd. has established itself as an authoritative manufacturer of wear-resistant metal components and automatic hardfacing welding equipment. Over more than a decade, our facility has focused on R&D, advanced material formulations, and on-site repair services.
Our core capabilities include the production of chromium carbide overlay (CCO) wear plates, custom-fabricated wear liners, hardfacing flux-cored welding wires, automated welding machines, and specialized roll repair services. To ensure strict quality compliance, since 2019, Runxing has collaborated with the German wear-protection brand VAUTID, acting as a qualified agent and utilizing premium materials for high-spec engineering requirements.
To support global supply chains, our export operations are managed by Hebei Yuwan International Trade Co., Ltd. This specialized trading division handles custom clearances, international logistics, compliance documentation, and multi-currency transactions. This structure allows our factory technicians to focus entirely on quality assurance, product development, and on-time order fulfillment.
Deploying targeted wear-resistant technologies across various process industries to extend equipment uptime and reduce maintenance overheads.
Equipment availability is the main driver of cement plant profitability. We protect vertical raw mill rollers, separator guides, and discharge chutes from dry sand abrasion, keeping critical lines operating continuously.
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In heavy mining operations, parts are subjected to crushing pressures and impact. Our high-hardness CCO liners protect dump truck beds, dragline buckets, and hopper bins to improve material throughput.
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Steel production combines abrasive ores with temperatures exceeding 400°C. We design custom alloy overlays using niobium and tungsten additions to maintain mechanical hardness on coke chutes and blast furnace distribution boards.
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Fossil fuel plants process thousands of tons of pulverized coal daily. Our wear protection extends the operating life of mill fan blades, pulverizer classifier cones, and coal transport pipelines.
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Bulk transfer ports transport highly abrasive iron ore, coal, and aggregates. Our wear plates protect hopper bins and stacker-reclaimer chutes to minimize unplanned maintenance downtime during ship loading.
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For operations dealing with high-velocity fine particle sliding wear, we offer wear-resistant alumina ceramic elements. These are manufactured from high-purity, ultra-fine powders and sintered at high temperatures.
See case details >Highlights of our participation in international trade shows, academic partnerships, and product launches.
Technical answers to common questions about wear plate selection, welding procedures, and global procurement logistics.
Our products are trusted by leading operations worldwide, backed by secure international logistics and certified quality systems.
Select the appropriate wear solution for your project, or contact our engineering division to request custom chemical compositions.
Premium wear plates featuring high-density primary chromium carbides bonded to structural steel backing for extreme sliding abrasion protection.
Learn More >
Runxing RX-m Series optimized for severe mining and cement chute applications, engineered to withstand extreme stress grinding abrasion.
Learn More >
High-chromium alloyed flux-cored wires engineered to deposit high-hardness wear surfaces with superior bead control under open-arc configuration.
Learn More >
Double-layer wear resistant clad plates displaying exceptional interfacial bonding, uniform carbide distribution, and smooth surface finishes.
Learn More >
Designed for on-site fabrication and outdoor hardfacing operations without the need for external shielding gas. Ideal for high-stress wear environments.
Learn More >
High carbon, high chromium alloy cladding structured on tough carbon steel backing, meeting DIN 8555 standards for industrial wear mitigation.
Learn More >
High-alloyed materials formulated for Plasma Transferred Arc surfacing, ensuring precision overlays, minimal base metal dilution, and high density.
Learn More >
Multi-gun high-efficiency automated CNC hardfacing welding stations designed for wear plate cladding and roll recovery operations.
Learn More >
Runxing machinery