OEM Abrasion Resistant Plate Factory & Factories

Global Standard Hardfacing Metallurgy, CCO Wear Plates, and Automated Cladding Engineering Solutions

Advanced Wear Materials & Surfacing Solutions

Explore our top-tier industrial overlay solutions designed to survive high-impact, severe friction, and intense operating temperatures.

Bimetallic chromium carbide surfacing wear-resistant composite steel plate

Bimetallic CCO Composite Plate

High-Quality bimetallic chromium carbide surfacing wear-resistant composite steel plate engineered for ultimate friction protection.

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Wholesale Hardfacing materials - Flux cored wires

Flux Cored Hardfacing Wires

Premium grade wholesale hardfacing flux-cored welding wires. Formulated for heavy alloy deposition with optimal arc stability.

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OEM self-shielded flux cored wire

Self-Shielded Flux Cored Wire

OEM self-shielded flux cored wire optimized for on-field hardfacing restoration without external gas shielding requirements.

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ODM High Hardness CCO Hardfacing Overlay Wear Resistant Steel Plate

RX-m Series Mining Wear Plate

Runxing RX-m series high-hardness CCO plate optimized specifically for high-stress mining chutes and heavy cement liners.

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ODM Chromium Carbide Overlay Wear Plate

ODM CCO Wear Plate

Chromium carbide overlay (CCO) wear plates designed to withstand harsh sliding abrasion in extremely dusty environments.

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Wear Plate

RX®wp 7600 Standard Wear Plate

Composite structural backing wear plate fused with hard weld surfacing. Compliant with international DIN 8555 standards.

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Welding Wire

High-Alloy Welding Wires

Self-shielded high-chromium alloy flux-cored wire engineered to resist intense grinding abrasion under low-impact loads.

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PTTA Surfacing Alloy

PTTA Spec Surfacing System

Engineered hardfacing alloy deposition design for equipment operating under elevated abrasive environments.

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Industrial Abrasion Challenges & The Economics of Hardfacing

In high-throughput industrial operations, material friction represents one of the largest single operational expenses. Unplanned downtime in critical areas like coal pulverizers, steel mill chutes, port hoppers, and cement clinker transport lines can halt entire production schedules. The primary challenge is not simply preventing wear, but rather engineering cost-effective surface overlays that extend machine life multi-fold without requiring costly replacement of the entire structural base.

This is where Chromium Carbide Overlay (CCO) technology excels. By metallurgically bonding an ultra-hard alloy overlay consisting of primary chromium-rich carbides (M7C3) onto a ductile carbon or structural steel base, engineers achieve a hybrid component. The structural backing handles tensile stress and mechanical vibration, while the overlay layer resists severe scratching, gouging, and sliding wear. When analyzed on a Total Cost of Ownership (TCO) basis, components protected by high-hardness CCO wear plates regularly outlast standard structural carbon steel by a factor of 10 to 15, and traditional quenched-and-tempered steel plates by up to 5 times.

"Selecting the optimal abrasion resistant material requires balancing wear mechanisms—impact vs. sliding abrasion—against substrate ductility and temperature limits."

Runxing Factory Operations
2010
Established Year
60+ HRC
Plate Surface Hardness
15x
Average Lifetime Gain
6 Yrs+
VAUTID Qualified Agent

Technology Roadmap & Microstructure Design

Delving deep into the scientific composition and cladding processes that yield elite hardness properties.

Microstructure Control

Controlling dilution levels is key. By regulating heat input, the dilution of the carbon steel substrate is kept minimal, preserving a high-volume fraction (30% to 50%) of hexagonal M7C3 primary carbides within the wear layer.

Stress Relief Cracking

Engineered stress-relief hairline cracks occur naturally perpendicular to the weld bead direction. This pattern prevents internal stress buildup, ensuring the bimetallic plates can be rolled, formed, and custom fitted.

Alloy Synergy

Addition of niobium, boron, and other carbide formers refines the microstructure grain boundary, raising temperature limits and providing resistance to micro-cutting mechanisms under intense sliding loads.

Automated Cladding

Using advanced multi-gun CNC automatic surfacing machines. Flat, uniform weld passes guarantee consistent wear resistance properties across every square millimeter of the plate surface.

Automated Cladding Welding Equipment

China's Manufacturing Scale & Supply Chain Resilience

Tangshan Runxing Machinery Co., Ltd., based in Hebei Province, exemplifies the robust supply chain advantages of Chinese heavy industrial clusters. Established in 2010, the company leverages regional access to premium steel feedstocks, high-purity ferro-alloy inputs, and highly skilled metallurgy labor. This concentration enables continuous R&D and swift execution of custom fabrications, which keeps lead times short and cost efficiency high compared to Western competitors.

Further strengthening our operational agility, all export logistics, commercial transactions, custom clearance, and international shipping payments are handled by Hebei Yuwan International Trade Co., Ltd. This strategic division of labor allows our manufacturing facility to focus entirely on quality control, structural customization, and technological innovation. It ensures our international customers receive professional, compliant, and seamless door-to-door delivery with transparent tracking and documentation.

VAUTID Strategic Partnership

Maintaining a continuous partnership with VAUTID Germany since 2019, utilizing high-grade European welding consumables for specialized applications.

Comprehensive Heavy Fabrication

Capable of executing complex sheet metal bending, rolling, CNC cutting, and plug-welding to deliver complete ready-to-install parts.

Industrial Applications & Case Studies

How CCO plates and hardfacing materials protect multi-million dollar equipment across diverse global industries.

Cement Industry Wear Protection
Cement Sector

Cement Plants

Heavy sliding wear from raw meal, clinker and limestone. We provide durable CCO hopper plates, separator guide vanes, and chute liners that extend runtime under severe dust abrasion.

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Mining Chutes and Liner Protection
Mining Sector

Mining Machinery

High stress and heavy impacts. Our RX-m mining series overlay plates protect dump truck bodies, shovel buckets, and transfer chutes, resisting continuous mineral scratching.

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Steel Mill Wear Solutions
Steel Industry

Steel & Metallurgy

Operating under high temperature and mechanical friction. Runxing CCO plates protect blast furnace distribution chutes, sinter screens, and raw material bunkers.

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Electric Power coal mills
Power Sector

Electric Power

Pulverized coal transport causes intense erosion. We engineer specialized inner casing linings, coal conduit elbows, and exhauster fan blades to prevent abrasive failure.

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Port and Dredging Chute Liners
Logistics Sector

Ports & Dredging

Rapid conveyor discharge of bulk coal, iron ore, and grain causes severe friction. Runxing CCO lining plates minimize friction coefficients and eliminate material build-up issues.

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Alternative wear materials alumina ceramic
Alumina Ceramics

Wear-Resistant Ceramic Solutions

High-purity alumina ceramics sintered at extreme temperatures. Perfect for high-velocity particle erosion environments with zero tolerance for metallic contamination.

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International Exhibitions & Institutional Validation

Our journey of building global trust through continuous quality control, academic cooperation, and international presence.

Runxing Machinery at Africa 2024

Africa 2024 International Exhibition

We showcased our latest bimetallic CCO solutions at the 2024 Johannesburg Construction and Mining Equipment Trade Show, strengthening ties with mining and power companies across Africa.

Tangshan University Leaders Visited

Academic R&D with Tangshan University

Dean Yuan Shaoqiang and Professor Yang Yuehui led research visits to our plant. Our collaborative efforts focus on metal matrix refining and high-efficiency forming technologies.

VAUTID Germany Qualification certificate

German VAUTID Partnership Certification

Runxing Machinery has maintained its status as a qualified VAUTID agent in Northern China for six consecutive years. This long-standing relationship ensures direct access to world-class metallurgical research.

Runxing Machinery at EXPOMIN 2023 Chile

EXPOMIN 2023 South America Expansion

Participating in EXPOMIN 2023 in Santiago, Chile, we introduced our customized mining truck bed liner plates to major mining companies operating along the Andes.

Frequently Asked Questions

Direct answers to the most common engineering and logistical queries about chromium carbide overlay wear plates.

Q1: What determines the wear resistance of a Chromium Carbide Overlay (CCO) plate?
Wear resistance is primarily determined by the volume fraction and spatial distribution of primary M7C3 chromium carbides (hardness ~1200-1600 HV) within the tougher martensitic matrix. Maintaining a low dilution rate during automated welding is crucial to prevent structural base iron from diluting the chromium content of the overlay.
Q2: Why do CCO plates have cracks on the surface? Are these defects?
No, these are stress-relief cracks, which are a natural and necessary feature of high-quality CCO plates. They form during the cooling phase of the cladding process to relieve thermal stresses, preventing the plate from distorting or fracturing. They do not penetrate into the carbon steel base plate and do not affect wear performance.
Q3: Can Runxing CCO plates be formed, rolled, or bent?
Yes. Due to the stress-relief cracks mentioned above, the plates can be rolled or bent to construct curved liners, pipes, and elbows. Typically, rolling is done with the overlay on the inside (concave) or on the outside (convex), depending on the equipment profile and path of flow.
Q4: What is the maximum operating temperature limit for standard CCO plates?
Standard chromium carbide overlay plates maintain their full wear resistance properties up to approximately 350°C. For extreme high-temperature environments (up to 600°C - 800°C), specialized chemical compositions containing elements like niobium, molybdenum, tungsten, or vanadium are utilized to prevent carbide dissolution and soft-phase transformation.
Q5: How does the partnership with Hebei Yuwan International Trade Co., Ltd. benefit buyers?
This partnership divides technical and commercial duties efficiently. Runxing focuses 100% on manufacturing precision and quality controls. Meanwhile, Yuwan handles complex export clearance, compliance documents, customs bonds, international logistics coordination, and multi-currency billing, offering buyers a smooth and secure purchasing experience.
Q6: How do you verify quality and trace raw materials?
Every production batch undergoes strict quality control protocols, including surface hardness inspections (Rockwell C scale, target 58-62 HRC), coating thickness measurements, and microstructural analysis of carbide distribution. In addition, ASTM G65 dry sand rubber wheel abrasion tests are performed regularly to ensure wear rates meet global standards.

Surfacing Systems, Machining, & Rebuilding

Our engineering capabilities extend beyond manufacturing flat plates to full-scale rebuilds and automated equipment production.

Machining and Engineering accessories

Machining & Engineering

Providing complex fabrication, component cutting, and plug-welding of abrasion resistant components to meet custom structural blueprints.

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Mill Roll Repair and rebuild services

Industrial Roll Repair

Extending the service life of worn grinding rolls, vertical coal mill rollers, and steel mill rolls through high-efficiency alloy buildup cladding.

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Automatic Hardfacing Surfacing Equipment

Surfacing Equipment Sales

Featuring 4-gun automated welding machines, CNC controls, and swing mechanisms. Built for efficient overlaying of plates and rollers.

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Runxing Machinery Operations Gallery

Visualizing our raw material stocks, welding stations, finished wear plates, and industrial processing operations.

Complete High-Quality Product Matrix

A detailed index of our specialized wear-resistant materials and cladding systems, complete with engineering details.

Runxing Automated Surfacing Equipment

Runxing Automatic Surfacing Systems

Multi-gun automatic cladding rigs equipped with PLC control panels for precise, uniform overlay coatings.

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Machining & Engineering Solutions

Precision Engineering Components

Engineered steel accessories, structural liners, and piping systems designed to resist high wear.

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Grinding Roller Surfacing and Repair

Mill Roll Refurbishing

Specialized roll maintenance using high-hardness alloy cladding to restore worn grinding paths.

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High-Quality Bimetallic chromium carbide surfacing wear-resistant composite steel plate

Bimetallic CCO Plates

Dual-layer wear plates designed for high-stress applications in coal prep and cement plants.

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Wholesale Hardfacing materials - Flux cored wires

Hardfacing Flux Cored Wires

Industrial-grade welding wires formulated for open-arc cladding of crushers and rollers.

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OEM self-shielded flux cored wire

Self-Shielded OEM Wires

High-deposition welding consumables requiring no shielding gas, ideal for on-site machinery repair.

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ODM High Hardness CCO Hardfacing Overlay Wear Resistant Steel Plate

RX-m High Hardness Plate

High-density carbide distribution plate optimized for mining hopper linings and chutes.

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ODM Chromium Carbide Overlay wear plate

ODM CCO Overlay Plates

Customizable wear-resistant plates available in various substrate and overlay thickness configurations.

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