Explore our selection of premium wear-resistant components, chromium carbide overlay plates, self-shielded flux-cored wires, and custom fabrication services manufactured to international industrial standards.
High chromium alloy hardfacing wire designed to withstand extreme abrasive wear and low impact dynamics without gas shielding.
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Specially optimized for mining and cement chute liners, ensuring continuous operation in highly abrasive pathways.
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High-carbon, high-chrome overlay fused metallurgically to a ductile steel backing to provide structural strength and wear resistance.
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Engineered overlay sheets providing high resistance to scratch abrasion, sliding wear, and dry sand-wheel wear tests.
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Premium grade welding consumables for structural overlay, equipment refurbishing, and localized hardfacing processes.
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High composite structural backing wearplate corresponding to DIN 8555 standards for maximum engineering reliability.
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High-chromium alloyed surfacing wire optimized for low impact but extreme stress grinding abrasion.
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High-precision PTA surfacing systems and materials for critical dynamic parts requiring minimal base metal dilution.
Learn Custom ProjectsThe premium wear resistance of a Chromium Carbide Overlay (CCO) plate is determined by its microstructural matrix. During the weld deposition process on low-carbon or low-alloy steel backings, chemical reactions yield a high concentration of primary chromium carbides ($M_7C_3$) suspended in a tough, eutectic austenite matrix. These hexagonal carbides exhibit a micro-hardness range of 1200 to 1600 HV (Vickers), effectively safeguarding the surface against severe abrasion, gouging, and grinding.
First-time buyers often mistake the hairline surface cracks on overlay plates as manufacturing defects. On the contrary, these transverse cracks are indicators of proper stress relief. During cooling post-surfacing, the base metal and the wear layer contract at different rates due to thermal coefficient disparities. Cracks relieve the residual welding stresses, preventing the plate from bending, wrapping, or deforming under operations while ensuring the overlay remains tightly bonded to the base substrate without spalling.
Founded in 2010 and located in Tangshan, Hebei Province—the core steel and industrial capital of North China—Tangshan Runxing Machinery Co., Ltd. has grown into a leading manufacturer dedicated to the research, development, and on-site engineering of high-performance wear-resistant metal products.
Over the years, we have built a reputation for high-quality chromium carbide overlay (CCO) wear plates, customized wear liners, hardfacing flux-cored welding wires, and automatic overlay welding machinery. Our operational core rests on four pillars: Integrity, Superior Quality, Continuous Technological Innovation, and Sustainable Development. We utilize advanced metal surfacing engineering to help heavy-industry enterprises around the globe optimize processing times and scale down replacement costs.
To facilitate seamless trade processes for international customers, all export transactions and documentation are managed through our fully authorized affiliate, Hebei Yuwan International Trade Co., Ltd. This specialized structure allows our manufacturing team to focus strictly on QA/QC metrics, dynamic R&D projects, and tight delivery schedules, while Yuwan handles logistics, custom clearances, and international compliance.
Global procurement directors in heavy industries face continuous pressure to balance high component reliability with cost-effectiveness. Sourcing chromium carbide overlay (CCO) wear plates directly from professional ODM factories in China, particularly in industrial clusters like Tangshan, Hebei, offers distinct procurement benefits:
Located in Hebei, the largest steelmaking region globally, our factory has direct access to premium Q235B and Q345B steel plate substrates. This limits transport costs and stabilizes material lead times compared to inland mills.
Our ODM framework allows us to adjust base plate thickness, chromium concentrations, and hardfacing layers. We accommodate specialized requests without asking for large minimum order quantities (MOQs).
Equipped with high-efficiency multi-gun hardfacing tables and dedicated flux-cored wire manufacturing lines, we manage bulk orders for heavy mining expansions or major cement plant shutdowns within tight timelines.
Our custom-engineered CCO plates and hardfacing materials are applied across multiple heavy industries where dry friction, sliding abrasion, and mineral transport degrade conventional steel structures.
Unscheduled downtime in cement operations can result in high cost overheads. Our CCO wear plates protect vertical mill hoppers, raw material chutes, dynamic separator blades, and wear liners from continuous dry sand and clinker friction.
We provide specialized mining solutions, including bucket liner plates, transfer chute components, sizing screens, and hopper assemblies designed to withstand high pressure sliding friction of heavy ores.
Dealing with sinter raw minerals, high process temperatures, and continuous mechanical impact. We deliver customized solutions for sintering blast furnace feeding chutes, coke hoppers, and vibratory screens.
Coal-fired facilities rely on Runxing materials to preserve pulverized coal conduits, exhauster fan housings, hopper liners, boiler fuel lines, and flue gas desulfurization (FGD) systems.
High-speed material transport structures, bulk cargo loading funnels, grab buckets, and stacker-reclaimer chutes undergo relentless abrasion. CCO plates help extend standard operational cycles.
For configurations requiring low-impact but ultra-high speed wear protection, we offer custom-sintered superfine alumina ceramic tiles to complement our bimetallic steel ranges.
We keep developing chemical composition profiles, including complex carbide structures with niobium, boron, and titanium additions to extend operating lifetimes.
Our site installation teams regularly log wear behavior data from active mines to build prediction profiles and design customized wear patterns.
Beyond selling overlay plates, Tangshan Runxing Machinery Co., Ltd. provides specialized equipment and maintenance solutions for heavy machinery rebuilding. We manufacture and utilize advanced CNC Surfacing Equipment featuring integrated dual-axis or quad-axis welding guns.
These automated setups, managed through interactive 10.2-inch touchscreens, support multiple welding techniques including open-arc, submerged-arc, and gas-shielded processes. They are optimized for cladding complex geometry surfaces, including vertical grinding rolls and conveyor tubes.
Our specialized Roll Repair Service focuses on components that bear high structural stress, such as vertical pulverizer rollers, cement roller presses, and continuous casting rollers. Rebuilding worn surfaces with our high-chrome flux-cored wire helps return components to their target dimensions while strengthening their wear-resistant properties.
We actively participate in global trade shows and academic exchanges, proving our competence and commitment to wear protection technologies.
Runxing Machinery launched its updated digital catalog portal, enabling international buyers to access datasheets, design parameters, and customization options.
We exhibited our bimetallic composite wear plate systems at the South Africa International Construction and Mining Machinery Exhibition in Johannesburg.
The leadership team of Tangshan University visited our facilities to discuss developments in composite metal material formations and automated hardfacing.
We continue our close relationship as a certified agent for German VAUTID welding products in China, highlighting our commitment to quality standards.
We showcased our CCO wear-resistant plate variations and flux-cored wire options at EXPOMIN, South America's major mining exhibition.
A premium CCO plate usually features a carbon content between 3.5% and 5.5% and a chromium level between 25% and 35%. This ratio ensures the formation of primary M7C3 chromium carbides. Some specialized variants introduce minor additions of niobium, boron, or titanium to improve performance in elevated temperature or high impact environments.
Yes, CCO plates can be cold-rolled to fit curved sections such as pipes, conveyor troughs, and chute linings. However, because of the hardness of the overlay, rolling should be executed with the wear surface inward (to compress the cracks) or outward, according to specific radii parameters. Minimum rolling diameter recommendations depend on overlay thickness.
Due to the high hardness of the chromium carbide overlay, mechanical sawing or shearing is not applicable. Cutting must be performed using plasma arc cutting, water jet cutting, or air carbon-arc gouging from the mild steel backing side. The plates are typically installed using plug welding, stud welding, or countersunk bolts through pre-drilled holes.
Single-pass overlays place a wear layer of 3mm to 5mm onto the backing plate. Double-pass overlays deposit a second wear layer, raising the total overlay thickness up to 8mm or 10mm. Double-pass overlays exhibit minimal dilution from the backing steel in the top layer, providing improved wear resistance in highly abrasive applications.
All international trade, customs declarations, shipping logistics, and financial accounts are managed by Hebei Yuwan International Trade Co., Ltd. This keeps the export documentation aligned with international trade practices, while our plant handles the physical fabrication and quality control processes.
High chromium alloy hardfacing wire designed to withstand extreme abrasive wear and low impact dynamics without gas shielding.
Explore Specifications
Specially optimized for mining and cement chute liners, ensuring continuous operation in highly abrasive pathways.
View Technical Parameters
High-carbon, high-chrome overlay fused metallurgically to a ductile steel backing to provide structural strength and wear resistance.
Download Catalogues
Engineered overlay sheets providing high resistance to scratch abrasion, sliding wear, and dry sand-wheel wear tests.
Get Custom Quotes
Premium grade welding consumables for structural overlay, equipment refurbishing, and localized hardfacing processes.
Request Free Sample
High composite structural backing wearplate corresponding to DIN 8555 standards for maximum engineering reliability.
Technical Datasheet
High-chromium alloyed surfacing wire optimized for low impact but extreme stress grinding abrasion.
Chemical Breakdown
High-precision PTA surfacing systems and materials for critical dynamic parts requiring minimal base metal dilution.
Learn Custom Projects
Runxing machinery