Engineered for high stress grinding abrasion, utilizing specialized primary chromium carbide weld deposition. Designed to combat aggressive frictional erosion in severe operations.
Premium bimetallic cladding with metallurgical bonding between base carbon steel structural back and hardfacing overlay, delivering robust wear performance.
Specifically designed for mining and cement industries (Chute Liners). Resists extreme impacts and grinding abrasion with superior carbide density.
Top-tier proprietary flux-cored wire formulations for surface repair and custom overlay deposition, producing dense wear-resistant microstructures.
Highly effective hardfacing alloy designed to resist high-stress grinding abrasion. Requires no external shielding gas, perfect for field applications.
Features structural steel backing and hard weld surfacing conforming to DIN 8555, optimizing abrasion resistance for critical machine parts.
Engineered for high stress grinding abrasion with low impact. Recommended for wear plate manufacturing and overlay reinforcement projects.
Optimized for hardfacing rebuilds and repair works, producing high chromium weld deposits that withstand continuous abrasive mineral flow.
In heavy-duty manufacturing and processing industries, mechanical abrasion stands out as a primary source of equipment downtime and material failure. The Chromium Carbide Overlay (CCO) Plate is engineered to combat these challenges. Technically, CCO plates are composite materials constructed by welding one or more wear-resistant cladding layers onto a ductile carbon steel or low-alloy steel backing plate. The structural substrate provides toughness and enables welding, bending, and fastening, while the hard cladding provides wear resistance.
The high performance of CCO plates lies in their microstructure. During the open-arc or submerged-arc cladding process, chromium and carbon ingredients within the flux-cored wire form M7C3 primary carbides dispersed in a tough eutectic matrix. The volume fraction of these primary carbides generally ranges from 30% to 50%, depending on the specific alloy formulation. The hardness of these microstructural carbides ranges from 1200 to 1600 HV (Vickers), while the macro-hardness of the cladding deposit typically averages between 58 and 67 HRC. This compound structures the material so that the ductile base plate absorbs mechanical shocks, while the chromium carbide overlay handles high-stress abrasion.
Metallurgical Insight: Runxing's proprietary cladding technology maintains dilution rates below 10%, ensuring that the primary wear layer achieves maximum carbide precipitation close to the fusion boundary. This results in stable wear resistance throughout the entire thickness of the overlay.
Globally, industrial infrastructure faces challenges related to high material processing volumes, lower-grade ores, and cost-containment initiatives. This makes long-lasting wear solutions critical. The Total Cost of Ownership (TCO) model has shown that purchasing low-cost structural steels for wear zones leads to frequent maintenance shutdowns, costly structural repairs, and lost production capacity.
Advanced ODM Chromium Carbide Overlay plates represent a shift from reactive repair strategies to proactive life-cycle engineering. By deploying composite wear liners in high-wear zones, operations can achieve:
Protects critical equipment, including vertical raw mill tables, separator guide vanes, and raw meal conveyor chutes. Helps maintain plant uptime and wear-resistance under high temperatures.
Designed for heavy truck beds, shovel bucket liners, chute hoppers, and screen decks. Engineered to handle large volume materials in harsh environments.
Protects coke feed chutes, sinter dust lines, and blast furnace bell systems. Provides oxidation and wear resistance under high-temperature conditions.
Protects coal pulverizer components, fan blades, ash slurry pipelines, and burner nozzles against continuous coal dust abrasion.
Protects grab buckets, material hoppers, stacker-reclaimers, and port unloading chutes. Helps minimize maintenance costs for global transport hubs.
Made of high-purity, superfine alumina powder sintered at high temperatures. Delivers extreme erosion resistance when impact forces are moderate.
On-going material formulations to optimize wear plates under high stress, chemical attack, and combined mechanical impacts.
Specialized geometry processing, pre-bent liners, countersunk mounting solutions, and custom fabricated weld assemblies tailored to client specifications.
Different operational environments present distinct wear challenges, which require tailored chromium carbide overlay solutions:
Founded in 2010, Tangshan Runxing Machinery Co., Ltd. is a professional manufacturer located in Tangshan, Hebei Province, focusing on the R&D, production, and on-site construction of hardfacing wear-resistant metal products. Over the years, we have developed advanced metal surface hardfacing technologies and processes.
To support global partners, all export transactions are authorized and managed by Hebei Yuwan International Trade Co., Ltd. This specialized entity handles export operations, customs clearance, shipping documentation, and financial payments. This allows our factory to focus entirely on product development and manufacturing quality. We provide customized wear solutions to the cement, steel, mining, port, and dredging industries globally, with a strong market presence in Russia and Central Asia.
Additionally, Tangshan Runxing Machinery Co., Ltd. has worked with VAUTID of Germany for six consecutive years since 2019. We utilize high-quality VAUTID brand welding materials in select wear-resistant products to meet strict technical specifications.
We operate modern fabrication workshops equipped with automatic multi-head cladding systems, CNC cutting machines, and hydraulic plate bending presses. This configuration allows us to supply both raw CCO wear sheets and custom fabricated components like wear liners, hopper inserts, and pipes.
Tangshan Runxing Machinery Co., Ltd. launched a web portal to improve services and connectivity for global clients searching for wear-resistant products.
Runxing machinery exhibited at the South Africa International Construction and Mining Machinery Exhibition in Johannesburg, presenting our latest CCO solutions to African partners.
Yuan Shaoqiang, Dean of Tangshan University, along with the Metal Materials and Forming Technology research team, visited our facility to collaborate on cladding technology optimization.
For six consecutive years since 2019, Tangshan Runxing Machinery Co., Ltd. has served as a qualified agent for VAUTID, integrating German wear-protection materials into our custom manufacturing lines.
Runxing participated in the EXPOMIN mining exhibition in Chile, presenting our bimetallic chromium carbide composite steel plates and overlay liner options to Latin American operators.
Industrial requirements continue to demand higher efficiency, which drives on-going R&D efforts in wear-resistant surfacing technologies. Key areas of development include:
Traditional chromium carbide overlays performance is limited under combined high impact and extreme temperature conditions. R&D is focused on incorporating transition elements like Niobium (Nb), Titanium (Ti), and Boron (B) into flux-cored wire designs. This approach precipitates secondary carbide phases, helping the wear layer maintain structural integrity and hardness up to 650°C.
By implementing computerized multi-axis weld heads, manufacturers can maintain precise controls over dilution rates and thermal inputs. Modern automated systems adjust feed rates and current dynamics dynamically, producing flat weld beads that reduce cracking and lower the need for finish-grinding.
Integrating electronic sensor channels directly into the backing plate of critical wear liners allows operators to monitor wear thickness and strain levels in real-time. This provides predictive maintenance indicators, helping prevent unexpected shutdowns.
Equipped with computerized multi-gun welding systems. Delivers uniform speed swing welding, high deposition rates, and precise parameter adjustment.
Custom fabrication and machining of heavy industrial parts, structural assemblies, and ready-to-install wear protection elements.
Reconditioning and rebuild services for cement grinding rolls, vertical mill rollers, and blast furnace rollers to restore component life.
Premium wear-resistant plates featuring high chromium alloy cladding. Custom sized and configured to project requirements.
Bimetallic wear composite plates combining a weldable steel backing with a highly hardfaced wear overlay.
Formulated for aggressive abrasion and impact wear in coal chutes, concrete hoppers, and mine transfer sites.
High chromium flux cored wire for rebuild, maintenance, and surface repair operations.
Designed for field maintenance and wear overlay deposition without requiring external shielding gas.
Runxing machinery