Wholesale Lamina Wear Plate Manufacturer & Supplier

Providing High-Performance Bimetallic Alloys, Premium Chromium Carbide Overlays, and Engineered Wear Solutions to Protect Critical Industrial Systems Worldwide.

Featured Industrial Hardfacing Solutions

Explore our flagship wear protection products, combining high metallurgy standards and precision Chinese manufacturing. Built for the most severe working conditions in mining, cement, steel, and power industries.

Wholesale Hardfacing materials - Flux cored wires

Wholesale Hardfacing materials - Flux cored wires

Premium alloyed welding consumables engineered for automated overlay welding. Optimizes wear properties and extends service life of structural metal parts.

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OEM self-shielded flux cored wire

OEM self-shielded flux cored wire (for hardfacing)

High chromium alloy wire designed for outdoor and field hardfacing repairs. Eliminates need for shielding gas, resisting high-stress grinding abrasion.

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Bimetallic chromium carbide wear-resistant steel plate

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

Engineered steel plate combining structural steel backing with a highly abrasive-resistant overlay. Perfect for chutes, hoppers, and heavy-duty liners.

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ODM Chromium Carbide Overlay (CCO) Wear Plate

ODM Chromium Carbide Overlay (CCO) Wear Plate

Customizable bimetallic CCO plates designed for extreme slip-abrasion environments. High-volume primary carbides guarantee long lifetime.

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Runxing RX-m Series for Mining Cement Chute Liner

ODM High Hardness CCO Hardfacing Overlay Steel Plate | Runxing RX-m Series

Premium series wear plate tailored for Cement Chute Liners and Mining environments. Outstanding impact and slide wear durability.

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Wear Plate

RX®wp 7600 Premium Wear Plate

Composite material wearplate made of a structural steel backing & a hard weld surfacing. Corresponds to DIN 8555 standards.

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Welding Wire

High-Chromium Alloy Welding Wire

Specifically developed for industrial applications requiring excellent abrasion protection with low impact toughness.

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PTTA Surfacing

PTTA Advanced Hardfacing Powders

High-precision plasma powder transferred arc surfacing components for critical machinery components repair.

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Understanding Lamina Wear Plate Technology: Metallurgical Insights

In the global heavy industries, machinery is consistently subjected to severe slide abrasion, high impact forces, chemical corroding, and elevated temperatures. Standard structural steel, carbon steel, and even traditional hardened martensitic plates often fail to protect equipment. This is where Lamina Wear Plates (specifically Chromium Carbide Overlay - CCO) deliver superior reliability and longevity. As a specialized bimetallic material, a Lamina Wear Plate bonds a tough, weldable carbon steel backing (such as Q235, Q345, or ASTM A36) with an ultra-hard, weld-deposited composite surfacing layer rich in primary chromium carbides.

Our proprietary weld overlay formulations result in a hypereutectic microstructure where hexagonal M7C3 chromium carbides (exceeding 1500 HV in microhardness) are evenly dispersed in a tough austenitic matrix. This unique combination prevents rapid material loss from continuous scraping by ores, clinker, slag, or coal. It achieves a macro hardness range of 58 to 62 HRC. This metallurgical equilibrium guarantees high resistance to dry sand rubber wheel abrasion (ASTM G65 testing standards) while retaining structural flexibility due to the ductile backplate.

58-62
HRC Hardness
>30%
Cr7C3 Carbide Vol
600°C
Temp Threshold
4-10x
Lifetime Increase
Property / Specification Runxing Lamina Wear Plate (CCO) Standard Hardened Steel (AR400/500) Cast Basalt / Ceramic Lining
Primary Microstructure Hypereutectic M7C3 Carbides in Austenitic Matrix Tempered Martensite / Ferrite Sintered Crystalline Alumina Oxide
Macro Hardness (HRC) 58 - 62 HRC 38 - 50 HRC N/A (Mohs Hardness: 9)
Relative Wear Life (vs Mild Steel) 10x - 15x Higher Lifetime 2.5x - 4x Higher Lifetime 8x - 12x (Highly dependent on impact)
Impact Resistance Medium to High (Absorbed by steel backplate) Very High Low (Brittle fracture risk)
Weldability & Installation Excellent (Easy weld attachment at rear) Difficult (Requires pre-heating) Cannot be welded (requires structural gluing/bolting)

Localized Application Scenarios & Global Commercial Status

Industries around the world face highly localized challenges based on geographic environments, materials extracted, and operational temperatures. In cold regions like Siberia and Central Asia, equipment must withstand frozen abrasive soil and low thermal toughness risks. Conversely, in the hot, humid mining zones of Western Australia or South America (Chile, Peru), high salinity, water-borne slurry, and huge sliding forces cause compound wear. Standard wear plate alloys deteriorate under these micro-environments. Our customized Lamina Wear Plates are chemically modified with minor alloy additions (like Niobium, Boron, Titanium) to survive these specific, localized degradation processes.

Cement Plant Chutes

Cement Production

The availability of critical equipment determines a cement plant’s throughput. From raw material chutes, cyclone separators, to clinker dust ducts, our wear-resistant products withstand continuous high-speed particle erosion and heat, preventing unscheduled shutdowns.

Mining Shovels & Chutes

Mining & Extraction

Global mine operators seek productivity, profitability, and sustainability. Runxing wear liners are custom engineered for bucket wheel excavators, haul truck beds, and transfer chutes to handle hard quartz rock and corrosive slurries.

Steel Mill Chutes

Steel & Iron Plants

In the steel sector, material handling involves extreme thermal environments, coke dust abrasion, and physical impact. Our bimetallic plates provide wear defense for skip cars, sinter hoppers, and coke vibratory screens.

Power Generation Hoppers

Electric Power Generation

Coal-fired power generation plants rely on wear protection for fan blades, fuel transport pipes, coal mills, pulverizer body linings, and dust extraction ducts. Our CCO materials significantly lower maintenance cycles.

Port Handling Liners

Ports & Dredging

Ports handle large volumes of iron ore, grain, and coal. Dock conveyers, loading chutes, and dredging pump casings wear out rapidly. Our composite liners protect structural steel elements from heavy wet sand abrasion.

Alternative Alumina Ceramics

Alternative Ceramic Liners

For situations where extreme sliding friction occurs without high structural impact, our high-purity alumina ceramics represent a cost-effective, specialized wear-prevention layer.

Research Updating

Next-Gen Materials

We continue to run metallurgical testing on compound alloys. Keep checking our product updates for state-of-the-art wear technology developments.

Field Updating

Engineering Customizations

Customized dimensions and specialized geometries are fabricated in-house. Our technicians adjust overlay patterns based on flow directions.

China Factory Resiliency, Logistics Efficiency, and Tangshan Heavy Industry Hub

Our manufacturing facility is located in Tangshan, Hebei Province, the epicenter of China’s steel production and metallurgy industries. This provides Tangshan Runxing Machinery Co., Ltd. with unmatched raw material security. We get immediate access to premium steel backing sheets, carbon elements, and alloying ingredients. This integration of the upstream supply chain enables us to maintain a consistent stock of basic structural materials, insulate our clients from volatile global steel price swings, and compress delivery times compared to manufacturers based in other countries.

To streamline international trade operations, all export sales are handled by Hebei Yuwan International Trade Co., Ltd. This trade division manages complex logistics customs, maritime shipping compliance, international invoicing, and regional tax clearances. By maintaining this separation between manufacturing and trade logistics, our engineering plant concentrates 100% of its focus on product quality control, R&D innovations, and workshop automation. Meanwhile, buyers enjoy a hassle-free import workflow with detailed documentation and secure transaction channels.

1. Raw Material Advantage

Tangshan's massive steel manufacturing network guarantees low-cost carbon and low-alloy steel substrate sourcing, giving us a highly competitive pricing structure on bulk orders.

2. Global Export Hub

Hebei Yuwan Trade handles door-to-port logistics, clearing customs smoothly for shipments targeting North America, Europe, Central Asia, and Africa.

3. Modern Automated Workshops

Our plant uses state-of-the-art multi-gun welding tables, guaranteeing consistent deposit chemistry, flat surface finishes, and low parent-metal dilution rates.

Technical Roadmap & Future Outlook

The future of wear mitigation relies on microstructural engineering. While traditional Chromium Carbide Overlay (CCO) plates remain the workhorse of industrial wear protection, Runxing is developing next-generation solutions to meet higher limits of temperature and mechanical stress. Our technology roadmap outlines the evolution of our product offerings:

Phase 1: Complex Carbide Development (Niobium, Boron & Tungsten Additions)

Adding refractory elements like Nb and W creates secondary carbides that are smaller and harder than primary chromium carbides. This structure increases wear resistance under micro-sliding abrasion while preventing crack propagation under light impact conditions.

Phase 2: Advanced Robotic Surfacing & Laser Cladding (Minimal Base Dilution)

We are scaling our PTA (Plasma Transferred Arc) and laser-cladding infrastructure. These technologies generate a very small heat-affected zone, reducing the dilution of backing plate iron into the overlay. This preserves the pure properties of the wear layer even down to the interface zone.

Phase 3: Digital Integration & Predictive Wear Diagnostics

Developing smart liners with embedded thermal and ultrasonic sensors. This will enable plant managers to monitor plate thickness in real-time, preventing sudden structural failures in deep-pit mining operations and high-velocity chutes.

Local Support, Technical Expertise, and Compliance Certifications

Our organization is built on metallurgical research, verified certifications, and collaborative partnerships. Tangshan Runxing has been a qualified agent for VAUTID (Germany) for six consecutive years since 2019. Processing and offering VAUTID’s industry-standard welding materials allows us to align our production processes with advanced German engineering standards. This collaboration supports our production line quality, confirming that every run of hardfacing wire and composite plate complies with international wear performance standards.

Our research and design department maintains a long-term academic partnership with the Metal Materials and Forming Technology Team at Tangshan University, led by Dean Yuan Shaoqiang, Vice Dean Li Jing, and Professor Yang Yuehui. This connection bridges academic metallurgical research with factory floors, allowing us to perform detailed SEM (Scanning Electron Microscopy) and X-ray diffraction tests on our alloy coatings. Additionally, we enforce rigorous quality inspections across every step of our supply chain:

ASTM G65 Testing

We perform routine dry sand rubber wheel tests to check material loss rates, ensuring every batch meets or exceeds target wear resistances before leaving our loading dock.

Ultrasonic Defect Testing

To identify internal cracks, gaps, or bonding voids between the cladding layer and the base plate, we run ultrasonic test scans on critical industrial components.

Compliance Certification

Our bimetallic materials and hardfacing alloys are categorized under DIN EN 14700 (Fe15/Fe16 group classifications) and DIN 8555 standards.

Frequently Asked Questions: Lamina Wear Plate Metallurgy & Sourcing

Get answers to the most common technical and logistics questions asked by plant managers, maintenance engineers, and purchasing teams regarding our wear-resistant products.

Q1: What are the differences between Lamina Wear Plates and Standard AR500 Steel Plates?
Standard AR500 plates are martensitic carbon steels that gain hardness through water quenching. They are uniform throughout but lose wear resistance quickly in high-abrasion environments. In contrast, Lamina CCO plates feature a bimetallic structure: a ductile base steel plate combined with an overlay rich in primary chromium carbides. This layer reaches a hardness of 58-62 HRC and contains M7C3 carbides with a microhardness of up to 1500 HV. This configuration provides 4 to 10 times the operating lifetime of AR500 in slide abrasion environments.
Q2: Can Chromium Carbide Overlay (CCO) plates be welded, formed, and cut on-site?
Yes. The structural steel backplate (typically Q235B or Q345B) allows for easy standard welding to your equipment frame without pre-heating. CCO plates can be cold-rolled to produce concave or convex shapes (such as pipe sections and chutes), with the hard overlay facing inward or outward. They can be cut using plasma arc cutting processes or waterjet systems from the steel backing side.
Q3: Why are stress-relief cracks visible on the surface of overlay wear plates?
Fine, transverse cracks on the surfacing layer are a normal physical result of the overlay welding process. They occur due to thermal contraction stress differences between the alloy layer and the mild steel backplate. These cracks relieve stress, ensuring the plate remains flat during cutting and installation. They do not affect the wear resistance and do not penetrate into the backing steel plate.
Q4: What is the purpose of the business arrangement between Runxing Machinery and Yuwan International Trade?
Tangshan Runxing focuses exclusively on metallurgical production, quality inspections, and laboratory operations. All international trade transactions, export declarations, logistics bookings, and foreign currency payments are managed by Hebei Yuwan International Trade Co., Ltd. This division of labor guarantees smooth export logistics and full regulatory compliance for our global buyers.

Our History: Events, Trade Shows & University Research

We regularly participate in international exhibitions, trade shows, and industrial events to showcase our technical advances and discuss solutions with our partners worldwide.

New Website Trial Operation

Digital Integration & Customer Portal Launch

Tangshan Runxing Machinery Co., Ltd. launched our updated website to streamline digital inquiries, technical consultations, and product selection workflows for international buyers.

Runxing Machinery at Africa 2024

South Africa Construction & Mining Show 2024

Participated in Johannesburg's premier mining exhibition, presenting our CCO plates and hardfacing wires tailored to the abrasive African mining environments.

Tangshan University Leaders Visit

Tangshan University Academic Collaboration

Dean Yuan Shaoqiang, Vice Dean Li Jing, and Professor Yang Yuehui visited our plant, setting up joint research projects on metal forming and alloy refinement.

VAUTID Qualified Agent Certificate

Authorized VAUTID Germany Agency

We have maintained our status as a qualified VAUTID agent since 2019. This partnership supports our metallurgical consistency and quality standards.

EXPOMIN 2023 Chile

EXPOMIN 2023 Exhibition in Santiago, Chile

Exhibited our high-hardness CCO wear liners at Latin America's largest mining event, strengthening relationships with mining operators in Chile and Peru.

Manufacturing & Quality Control Gallery

Take a look at our production facilities, automatic surfacing stations, and laboratory test setups where our wear solutions are manufactured and inspected.

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About Tangshan Runxing Machinery Co., Ltd.

Runxing Logo / Badge

Serving Heavy Industry Since 2010

Founded in 2010 in Tangshan, Hebei Province, Tangshan Runxing Machinery Co., Ltd. is a specialized manufacturer focused on the research, development, production, and field repair of hardfacing wear-resistant metal products. Our main catalog includes chromium carbide overlay (CCO) wear plates, custom processed wear liners, wear-resistant pipes and fittings, hardfacing flux-cored welding wires, automatic hardfacing welding machinery, and on-site roller surfacing repair services. We operate on the business principle of "Integrity, Superior Quality, Innovation & Sustainable Development" to offer wear-resistant solutions to heavy industries globally.

Our materials provide protective wear armor for mining, cement, steel, dredging, and power plants, improving operational reliability in Russia, Central Asia, South America, and Africa. Supported by our export agency, Hebei Yuwan International Trade Co., Ltd., we combine technical production with professional logistics. Runxing Machinery works to establish long-term partnerships with our clients, helping reduce maintenance expenses and operational downtime.

Full Product Catalog & Technical Specifications

Verify product dimensions, chemical compositions, and custom specifications of our full hardfacing and wear plate catalog below.

Wholesale Hardfacing materials - Flux cored wires

Wholesale Hardfacing materials - Flux cored wires

Premium alloyed welding consumables engineered for automated overlay welding. Optimizes wear properties and extends service life of structural metal parts.

Read Technical Specs
OEM self-shielded flux cored wire

OEM self-shielded flux cored wire (for hardfacing)

High chromium alloy wire designed for outdoor and field hardfacing repairs. Eliminates need for shielding gas, resisting high-stress grinding abrasion.

Read Technical Specs
Bimetallic chromium carbide wear-resistant steel plate

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

Engineered steel plate combining structural steel backing with a highly abrasive-resistant overlay. Perfect for chutes, hoppers, and heavy-duty liners.

Read Technical Specs
ODM Chromium Carbide Overlay (CCO) Wear Plate

ODM Chromium Carbide Overlay (CCO) Wear Plate

Customizable bimetallic CCO plates designed for extreme slip-abrasion environments. High-volume primary carbides guarantee long lifetime.

Read Technical Specs
Runxing RX-m Series for Mining Cement Chute Liner

ODM High Hardness CCO Hardfacing Overlay Steel Plate | Runxing RX-m Series

Premium series wear plate tailored for Cement Chute Liners and Mining environments. Outstanding impact and slide wear durability.

Read Technical Specs
Wear Plate

RX®wp 7600 Premium Wear Plate

Composite material wearplate made of a structural steel backing & a hard weld surfacing. Corresponds to DIN 8555 standards.

See more products
Welding Wire

High-Chromium Alloy Welding Wire

Specifically developed for industrial applications requiring excellent abrasion protection with low impact toughness.

See more products
PTTA Surfacing

PTTA Advanced Hardfacing Powders

High-precision plasma powder transferred arc surfacing components for critical machinery components repair.

See more products