ODM Composite Wear Plate Manufacturer & Supplier

Providing industrial grade high-hardness Chromium Carbide Overlay (CCO) bimetallic steel plates and high-efficiency automated welding solutions for heavy manufacturing, cement, steel, and mining worldwide.

Hot Products Portfolio

ODM Chromium Carbide Overlay CCO Wear Plate

ODM Chromium Carbide Overlay (CCO) Wear Plate Factory

Hypereutectic high chromium alloy welded overlay for heavy abrasive mining operations and high temperature industrial operations.

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OEM self-shielded flux cored wire

OEM Self-Shielded Flux Cored Wire Suppliers

Premium self-shielded open arc welding wires developed for on-site overlay welding and repairs under harsh environmental conditions.

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Bimetallic chromium carbide surfacing wear plate

Bimetallic Chromium Carbide Surfacing Wear Resistant Plate

Structural steel backing combined with a chromium carbide hard surfacing layer, custom manufactured to specific dimensions.

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Hardfacing materials flux cored wires

Wholesale Hardfacing Materials Flux Cored Wires

High-alloy surfacing wires designed to resist extreme wear. Suitable for bulk reclamation and structural repair projects.

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Runxing RX-m High Hardness Wear Plate

Runxing RX-m Series CCO Wear Resistant Steel Plate

Designed specifically for mining chuted linings, cement transfer hoppers, and systems suffering from severe friction wear.

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RXwp 7600 Wear Plate

RX®wp 7600 Composite Wear Plate

Composite material wearplate made of a structural steel backing & a hard weld surfacing, corresponding to DIN 8555 standard.

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Self shielded flux cored wire

RX® High-Chromium Hardfacing Wire

Self-shielded flux-cored wire. High chromium alloy designed for resisting high stress grinding abrasion with low impact.

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PTTA composite plates

Plasma Transferred Transfer Arc (PTTA) Plates

Premium-grade wear protection utilizing PTA welding technology for dense, pore-free, highly structured overlay layers.

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The Evolution and Global Demand of Composite Wear Plates

1. Global Industrial Abrasion and the Need for Composite Materials

In heavy industrial operations such as bulk material handling, mining, cement production, steel making, and port dredging, machinery parts are continuously subjected to extreme sliding abrasion, severe impact, and temperature stresses. Traditional structural steels (like Q235 or Q345) and even basic quenched and tempered wear steels (like AR400 or AR500) often wear down rapidly in these aggressive environments. This leads to frequent unexpected downtime, high maintenance costs, and reduced factory output.

To address these issues, bimetallic chromium carbide overlay (CCO) wear plates have become the modern engineering standard. These plates feature a structural backing steel plate clad with a highly alloyed wear-resistant weld overlay. The primary metallurgical structure consists of M7C3 chromium-rich carbides (with microhardness reaching 1200–1600 HV) embedded in a tough eutectic matrix. This combination delivers excellent sliding wear resistance from the hard carbides, while the tough backing plate absorbs mechanical impacts and allows for easy installation via welding or bolting.

Technical Insight: According to DIN 8555 specifications, high-alloy CCO overlays are classified based on their wear-protection structures. Standard hardfacing alloys typically offer deposition hardnesses between 58 to 62 HRC, containing over 30% primary carbides. This microstructure helps deflect abrasive media such as silica, quartz, cement clinker, and iron ores.

2. Global Procurement Priorities: Supply Chain Resilience and Quality

Procurement teams at international mining operations, cement plants, and global equipment manufacturers look for more than just a low price. They focus on three key criteria: long-term wear performance (wear life ratio vs. standard steel), predictable delivery timelines, and consistent weld overlay quality (even thickness, minimal dilution, and managed stress-relief cracking).

Sourcing managers increasingly prefer suppliers that offer custom manufacturing (ODM/OEM) capabilities. Every chute, hopper, conveyor lining, and pipe elbow has unique geometry. Purchasing raw sheets that require on-site cutting, bending, and drilling is costly and inefficient. By partnering directly with a manufacturer that handles CAD engineering, CNC plasma cutting, roll forming, and pre-drilling, buyers receive ready-to-install components that reduce installation times by up to 60%.

3. China Factory 4.0: Runxing Machinery's Advanced Integration

Tangshan Runxing Machinery Co., Ltd., established in 2010, is an example of modern industrial hardfacing manufacturing. Located in the industrial hub of Tangshan, Hebei Province, Runxing leverages high-efficiency manufacturing processes and automated machinery. Equipped with CNC multi-gun automated overlay welding tables, the company ensures consistent penetration depth and uniform deposit runs across all CCO wear plates.

Their production capabilities are complemented by structured international trade operations. All export activities, customs clearance, and logistics are managed by Hebei Yuwan International Trade Co., Ltd. This specialized partnership ensures smooth administrative processing, secure payments, and reliable deliveries to markets including Russia, Central Asia, Africa, and South America.

Additionally, Runxing Machinery has maintained a close partnership with Germany's VAUTID brand, serving as a qualified agent for six consecutive years. This cooperation ensures access to premium raw materials and keeps the factory's welding technologies aligned with European quality standards.

Proven Engineering Standard

58-62 HRC
Overlay Hardness
10-15x
Life vs Mild Steel
4-Gun
CNC Welding System
30%+
Chromium Content

Heavy Industry Applications

Cement industry applications

Cement Industry

Availability of critical equipment is essential. High-performance wear resistant CCO plates help extend the operational life of key machinery components and reduce scheduled maintenance down-time.

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Mining wear solutions

Mining Sector

We support mine operators in their efforts to improve productivity and sustainability. Our custom CCO liners are built to withstand severe impact and sliding abrasion in chute systems, shovel buckets, and hoppers.

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Steel production applications

Steel & Metallurgy

Equipment in the steel sector operates under demanding conditions involving high temperatures, corrosive gases, and abrasive raw minerals. Our heat-resistant overlay plates are engineered for these environments.

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Electric power plant solutions

Electric Power

We manufacture reliable wear protection solutions for fan blades, conveyor chutes, coal pulverizer mills, dust collection systems, and ash handling pipelines.

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Port material handling

Port & Bulk Handling

Ports move high volumes of abrasive dry materials. Our liners protect transfer funnels, ship loaders, unloaders, and stacking-reclaiming equipment to help avoid costly unexpected downtime.

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Alternative wear materials

Alternative Ceramic Solutions

For applications where metallic alloys are not suitable, we offer wear-resistant alumina ceramics made from high-purity, sintered alumina powder.

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Updating case studies

Dredging & Marine

Protecting slurry piping, pump casings, and suction dredge liners against high-speed liquid-sand mixtures.

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Custom mechanical liners

OEM Tailored Assemblies

Developing customized wear assemblies based on client 3D CAD files for machinery components requiring precise tolerances.

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About Runxing Machinery

Founded in 2010 in Tangshan, Hebei Province, Tangshan Runxing Machinery Co., Ltd. is a manufacturer specializing in the R&D, production, and on-site construction of hardfacing wear-resistant metal products. Our facilities manufacture chromium carbide overlay (CCO) wear plates, custom processed wear liners, wear-resistant pipes and fittings, hardfacing flux-cored welding wires, and automatic hardfacing welding machines, as well as providing roll surfacing repair services.

We provide customized wear-resistant solutions to heavy industries including cement, steel, mining, dredging, and bulk material ports worldwide. Our products are exported to markets in Russia, Central Asia, and Africa.

To support our international clients, all export administration, custom documentation, logistics, and payments are managed through Hebei Yuwan International Trade Co., Ltd. This structured partnership allows our factory to focus fully on product quality, technological development, and reliable manufacturing.

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Events & Trade Shows

Runxing New Website Launch
Corporate News

New Website Platform Trial Operation

We have launched our updated website platform (www.runxing-machinery.com) to provide a streamlined portal for procurement managers to access product specifications, technical details, and request quotes.

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Runxing Machinery South Africa 2024
Exhibitions

Participation in Electra Mining Africa 2024

We showcased our latest high-chromium CCO wear plates and automatic hardfacing machinery at the Johannesburg International Convention Centre in South Africa, meeting with local mining and heavy industry operators.

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Tangshan University Leaders Inspection
R&D Cooperation

Tangshan University Academic Visit

Academic leaders and material scientists from Tangshan University visited our facility to review our metal forming technology and discuss collaborative research on advanced hardfacing overlay structures.

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VAUTID Qualified Agent Certification
Partnerships

VAUTID Germany Agency Status

We have completed our sixth consecutive year as a qualified partner for VAUTID brand welding materials. This collaboration supports our commitment to maintaining high international quality standards for our wear products.

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EXPOMIN Chile Exhibition
International Trade

Expansion at EXPOMIN Latin America

We exhibited our wear-resistant solutions and mining liners at EXPOMIN, establishing new technical partnerships with Latin American mining operators and plant engineers.

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Technical FAQ & Purchasing Insights

Q1: What is the microstructure and chemistry of a Chromium Carbide Overlay (CCO) Wear Plate?

A CCO wear plate is a bimetallic composite. The base plate is typically structural carbon steel (like Q235B or ASTM A36) to provide structural strength, toughness, and weldability. The overlay is deposited by open-arc or submerged-arc cladding using high-chromium flux-cored wires. Chemically, the deposit contains 3.5% to 5.5% Carbon and 25% to 35% Chromium. Metallurgically, this chemical mix forms primary M7C3 chromium carbides embedded in a tough eutectic matrix. The volume fraction of these hard primary carbides is typically above 30%, which provides excellent wear resistance against dry sliding abrasion.

Q2: How does Runxing Machinery control stress-relief cracks in its CCO wear plates?

During the automated high-heat overlay welding process, thermal contraction creates internal stresses. Runxing manages these stresses through controlled crack formation during cooling. These fine, transverse cracks occur naturally across the weld beads. They relieve residual stresses in the alloy overlay without extending into the backing plate. This ensures the bimetallic plates remain flat, structurally sound, and can be cut, rolled, and fabricated without delamination of the hardfaced layer.

Q3: Can CCO wear plates be welded directly onto on-site equipment, and how are they fabricated?

Yes. The structural steel backing of CCO plates allows for direct installation using standard welding procedures, such as MMA or GMAW, on the mild steel side. For mechanical installation, plates can be pre-cut using plasma or waterjet systems, and then secured using plug-welding holes or welded stud bolts on the backing plate. Runxing offers complete fabrication services, providing ready-to-install, custom-engineered components directly to sites.

Q4: What is the benefit of the Hebei Yuwan International Trade and Runxing Machinery partnership?

This partnership separates manufacturing from export administration. Runxing focuses on production, quality control, and metallurgical consistency. Hebei Yuwan handles the export processes, including customs clearance, logistics, documentation, and international payments. For global procurement teams, this ensures professional administrative support, clear communications, and on-time shipments.

Q5: How do CCO plates compare to standard AR400 or AR500 steel plates in sliding wear applications?

AR400/500 plates are hardened martensitic carbon steels. While they offer good impact toughness, their hardness is uniform throughout, typically around 360–500 HB. In severe sliding abrasion applications, they can wear down quickly. CCO plates feature primary chromium carbides with microhardness exceeding 1200 HV. Under sliding wear conditions, these carbides resist abrasive media, providing a service life up to 4 to 5 times longer than AR500 plates and 10 to 15 times longer than mild steel.

Q6: Are Runxing's wear plates suitable for high-temperature industrial environments?

Yes. Our standard CCO wear plates maintain their mechanical properties and wear resistance in continuous operating temperatures up to 350°C. For extreme high-temperature environments (up to 600°C–800°C), such as sinter plant chutes or blast furnace components, we manufacture custom alloy overlays containing additional elements like Niobium, Tungsten, or Boron to prevent oxidation and hardness loss at high temperatures.

All Hardfacing & Production Portfolios

Wear Plate

Standard Wear Plate

Structural steel backing combined with a hard weld surfacing layer. Designed to meet DIN 8555 standards for abrasion resistance.

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Welding Wire

Welding Wire

Self-shielded flux-cored wire. Formulated for high-stress grinding abrasion resistance in mining and heavy industrial applications.

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PTTA

PTTA Services

Plasma Transferred Arc technology for dense, pore-free wear protection overlays on critical mechanical parts.

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Welding Equipment

Welding Equipment

Automated hardfacing tables featuring CNC control units, uniform swing welding mechanisms, and multi-gun configurations.

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Machining and Engineering

Machining and Engineering

Fabrication services including custom layout cutting, roll-bending, and processing of complex wear assemblies.

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Roll Repair

Roll Repair

Surfacing repair and refurbishment services for vertical mill rolls, conveyor pulleys, and crushing rollers.

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High Hardness CCO Plate

Runxing RX-m Wear Plate

High-alloy wear liners designed specifically for mining chutes, cement hoppers, and raw material handling systems.

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Bimetallic chromium plate

Bimetallic CCO Plate

Surfaced bimetallic plates with uniform alloy deposits, cut to shape and size for easy installation.

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Product Certifications & Raw Material Quality Partners