Explore our high-efficiency chromium carbide overlay solutions, bimetallic composite wear plates, and specialized flux-cored wires manufactured to exceed harsh mining, cement, and power plant parameters.
Highly optimized self-shielded open arc welding wire engineered specifically for severe abrasive wear environments without external shielding gas.
Ultra-high hardness wear-resistant composite plates featuring a dense layer of chromium carbides chemically bonded to a tough structural steel base backing.
Premium composition tubular flux-cored wires designed for rebuilds and overlay reinforcement on structural components under high mechanical impact.
Customizable overlay plates developed with highly controlled primary carbide structures to minimize fatigue cracks under continuous thermal cycle friction.
Premium series mining chute liner plates displaying elevated volumetric carbide ratios to guarantee maximum protection in bulk handling environments.
Premium bimetallic plate engineered with high-hardness hard surfacing alloys on carbon steel, conforming fully to DIN 8555 structural standards.
Specialty high chromium alloy wire optimized for severe grinding abrasion, designed to withstand high stress sliding impacts with minimum chipping.
Advanced welding wire design with proprietary slag formulation to allow all-position overlay capability on custom mechanical components.
Modern extraction and material processing plants operate under harsh mechanical parameters. Every year, trillions of dollars are lost globally due to wear, friction, abrasive impact, and structural degradation in industrial components. To mitigate these operational risks, global enterprises rely on high-performance Basic Flux-Cored Arc Welding (FCAW-B) and premium composite hardfacing overlays.
Runxing Machinery provides a comprehensive wear mitigation ecosystem designed for multi-sector industrial systems. By combining optimized metallurgical formulations with automated surfacing systems, our solutions decrease unexpected shutdowns, reduce operational overhead, and lengthen the runtime of key components in heavy industries such as cement kilns, deep-shaft mining, blast furnaces, and marine dredging ports.
Unlike standard acid-rutile flux-cored wires, basic flux chemistry provides lower diffusible hydrogen levels and higher cleanliness of the weld pool. This leads to exceptional toughness and defect-free multi-layer surfacing deposits under intense structural constraints.
Founded in 2010, Tangshan Runxing Machinery Co., Ltd. is a leading manufacturer specializing in the R&D, manufacturing, and on-site construction of premium hardfacing wear-resistant metal products. Situated in Tangshan, Hebei Province—the heartland of Chinese steel production—our factory spans advanced production lines for chromium carbide overlay (CCO) wear plates, bimetallic composite wear liners, and specialized hardfacing welding wires.
To guarantee complete transaction transparency, legal compliance, and smooth supply chain management for our global clients, all export services are authorized and managed by Hebei Yuwan International Trade Co., Ltd. This partnership allows Runxing to focus entirely on metallurgical quality control and manufacturing excellence, while Hebei Yuwan handles international customs clearance, multi-modal logistics, document preparation, and payment collections.
Furthermore, demonstrating our dedication to high-tier product quality, Runxing Machinery has been recognized as a qualified partner for VAUTID (Germany) for six consecutive years since 2019, integrating European quality standards into our heavy-duty industrial fabrications.
Runxing Advanced Production Base
Tangshan, Hebei Province, China - Dedicated to High-Hardness Overlay Fabrication
Our bimetallic materials and basic flux-cored wires are engineered for specific operating temperatures, angle of impingement, and abrasive properties across different industries.
The structural reliability of cement production relies on wear protection. Our products protect components like vertical roller mills and hopper liners against intense grinding forces from raw clinker processing.
We deliver impact-resistant CCO wear plates and self-shielded wire formulations for heavy machinery like dragline buckets, excavator teeth, slurry hoppers, and crusher liners.
Addressing high-temperature abrasion, corrosion, and sliding friction in sinter screen plates, blast furnace bells, raw ore feed chutes, and coke dust distribution tubes.
We supply protective overlays for coal mills, pulverized fuel lines, stacker-reclaimer liners, and hopper chutes to handle continuous dry bulk transport.
Understanding primary carbide distribution, eutectic matrices, and basic flux chemistry dynamics for structural wear mitigation.
Chromium Carbide Overlay (CCO) plates are composite wear-resistant systems fabricated by applying an alloy cladding onto a ductile base material, such as mild structural steel. The primary wear resistance is achieved through the formation of hexagonal chromium-rich primary carbides (M7C3) within a supportive eutectic matrix. The hardness, orientation, and volume fraction of these carbides directly dictate the plate’s overall abrasion resistance.
In our factory, we carefully balance the chemical composition, targeting carbon contents between 3.5% and 5.5% and chromium ratios from 25% to 35%. This high alloy concentration ensures the formation of a hypereutectic microstructure. When welded, the primary M7C3 carbides precipitate first out of the molten pool as long hexagonal needles oriented perpendicular to the wear surface. This vertical orientation helps prevent micro-cutting and plowing from aggressive abrasive media.
The matrix surrounding these primary carbides is also highly alloyed, presenting a mix of austenite and martensite. This supportive matrix ensures that under high impact, the hard carbide crystals do not break free or fracture. By utilizing automated temperature controls during cladding, we reduce heat-affected zone (HAZ) dilution and control stress-relief cracking (cross-checking), which helps prevent horizontal crack propagation during installation.
Our basic flux-cored wires (FCAW-B) employ basic mineral powders to form a high-viscosity slag. This slag protects the weld pool from nitrogen and oxygen absorption, leading to extremely low levels of diffusible hydrogen (typically < 5ml/100g of weld metal). Consequently, the overlay achieves enhanced toughness and structural density, making it suitable for multi-layer hardfacing without requiring interpass buffer layers on standard structural bases.
Exporting heavy wear materials requires strict compliance, clear documentation, and efficient logistics. At Runxing Machinery, all export operations are managed by Hebei Yuwan International Trade Co., Ltd. This division of responsibilities ensures that our engineering teams can focus entirely on product quality and manufacturing consistency, while Hebei Yuwan manages global supply chain logistics.
Our international trading partners benefit from:
We showcase our products globally to connect directly with maintenance engineers and sourcing managers in the heavy industries:
Showcased high-chromium alloy flux-cored wires and bimetallic CCO plates designed for high-stress abrasive mining environments in Africa.
Presented customized wear-resistant solutions to South American copper mine operators and dredging infrastructure suppliers.
Collaborating with researchers from Tangshan University to study the microstructure of overlay alloys under extreme thermal cycles.
Our R&D efforts are focused on developing the next generation of wear materials, integrating advanced microstructural designs and green manufacturing technologies.
Researching the precipitation of sub-micron complex carbides (containing Ti, W, and Nb) to achieve fine-grained hardness profiles, providing high abrasion resistance and improved resistance to impact-induced micro-cracking.
Developing cost-effective iron-based alternatives that match the high-temperature performance of nickel and cobalt alloys, helping our global customers reduce raw material costs.
Integrating real-time laser profiling and thermal cameras into our cladding systems. This allows the system to dynamically adjust welding speed, current, and wire feed to ensure uniform wear-resistant layers on complex surfaces.
Find answers to technical and commercial questions about sourcing ODM flux-cored welding wires and CCO wear plates.
Basic flux-cored wires (FCAW-B) contain fluoride and carbonate compounds in their core. This chemistry produces a basic slag that actively cleans the molten pool of sulfur and oxygen, resulting in low levels of diffusible hydrogen. This reduces the risk of hydrogen-induced cracking and improves structural toughness. Acid flux-cored wires (rutile-based) offer a smoother arc and simpler slag removal but generally deliver lower impact toughness in demanding applications.
Cross-checking is a natural and necessary result of the cladding process. When the high-temperature chromium alloy overlay cools on the carbon steel backing, thermal contraction creates stress. Vertical check cracks relieve this stress, preventing the plate from warping or bending during installation. These cracks are confined to the overlay layer and do not penetrate the tough base steel.
Yes, CCO plates can be cold-formed or rolled to match specific curves, such as chute linings or conveyor pipes. However, the rolling direction must align with the check cracks to prevent premature structural damage. Hot-forming is generally not recommended, as temperatures exceeding 350°C can degrade the carbide structure and reduce the overall hardness of the overlay.
Under our operational agreement, Tangshan Runxing Machinery focuses entirely on research and development, quality control, and manufacturing. Hebei Yuwan International Trade Co., Ltd. serves as our authorized global export representative, handling contract negotiations, customs clearance, sea shipping, and payment collections. This ensures reliable product delivery and compliance with international trade regulations.
Our products are manufactured according to DIN 8555, which specifies filler metal types and overlay chemistry. We also perform ASTM G65 dry sand rubber wheel testing to measure and verify mass loss, ensuring our plates meet international abrasion resistance standards before shipment.
Our complete range of bimetallic hardfacing plates, custom liners, and flux-cored welding wires, designed to improve the wear life of industrial equipment.
Designed for convenient field maintenance, this wire requires no shielding gas, making it ideal for on-site overlay welding of earthmoving buckets and chutes.
Our standard CCO plates feature a dense distribution of primary chromium carbides, providing reliable wear protection in sliding abrasion applications.
Specialty flux-cored wires designed to deposit crack-free buffer layers on manganese steel before applying high-hardness chromium overlays.
Custom-cut and pre-drilled liner plates fabricated according to your mechanical drawings, ready for direct installation on site.
Premium series wear liners designed to handle severe abrasive flow and sliding friction in mining and cement applications.
CNC multi-gun surfacing systems designed for the automated production of wear plates and the rebuilding of heavy-duty rollers.
Complete design and machining services to manufacture finished wear assemblies, custom transition pipes, and wear-resistant fittings.
On-site and off-site rebuilding services for vertical mill grinding rollers and press rolls, restoring profiles to reduce plant operating costs.
Runxing machinery