High chromium alloy designed for resisting high stress grinding abrasion with low impact, providing essential metallurgical deposition to safeguard machinery surfaces.
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Custom engineered chromium carbide overlay plates designed for extreme slide wear resistance in high-temperature heavy mining operations and material chutes.
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Optimized wear-resistant composite plates fusing a structural steel backing with high-density chromium carbide layer for optimal toughness and wear life.
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Specially developed for mining cement chute liners. High hardness design engineered to withstand abrasive mineral crushing and handling processes.
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Premium grade manufacturing consumables ideal for overlay welding, providing long-lasting protective layers to extend base plate operational lifespans.
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Composite wearplate with structural steel backing & hard weld surfacing, conforming to DIN 8555 specifications. Perfect for custom welding configurations.
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Formulated for wear plates and heavy equipment overlays. Features high chromium alloys engineered to resist high-stress grinding abrasion.
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Specialized flux cored wire offering high-stress grinding abrasion protection combined with low impact wear capability, enhancing system lifecycle.
See more products>In modern heavy industrial ecosystems—ranging from extraction sites in South America to deep-pit mines in South Africa, and automated cement mills in Northern Europe—material processing equipment operates under continuous, brutal mechanical wear. Sliding abrasion, high-stress grinding, impact loads, and thermal shock constantly degrade structural components. Unchecked wear results in unscheduled downtime, catastrophic system failures, and severe operational expenditure (OpEx) escalation.
This is where weld-on wear plates serve as an indispensable defense barrier. Designed to be permanently or semi-permanently bonded to the underlying steel substrate via plug welding, peripheral welding, or secure weld studs, these composite plates provide structural reinforcement and extreme hardness. Industrial operators rely on custom Original Design Manufacturing (ODM) solutions to secure wear plates with precise dimensions, exact metallurgical composition, and specific weld joint geometry tailored to their unique equipment layouts.
Global demand for high-performance wear plates is driven by the necessity of maximizing machine availability. In bulk materials handling, even minor maintenance shut-downs can cost mining operations upwards of $50,000 per hour. Consequently, the procurement focus has shifted from standard off-the-shelf wear steel to tailored ODM wear systems that match the specific wear profiles of chute liners, coal hoppers, screen decks, and slurry transport systems.
To understand the superiority of ODM weld-on wear plates, one must examine their metallurgical architecture. Chromium Carbide Overlay (CCO) plates are manufactured by depositing a highly alloyed, abrasion-resistant material onto a mild or low-alloy steel backing plate. The primary overlay method involves open-arc or submerged-arc welding using high-quality flux-cored wire.
The microstructure of Runxing RX®wp wear plates consists of primary M7C3 carbides dispersed within a tough, eutectic austenite matrix. These primary chromium carbides exhibit a hardness ranging from 1500 to 2000 HV (Vickers), while the overall bulk hardness of the overlay layer is typically maintained at 58 to 62 HRC (Rockwell C). This combination provides a low-friction surface that resists abrasive scratching, while the softer steel backing absorbs impact and facilitates straightforward welding to the host structure.
| Overlay Alloy System | Primary Carbide Type | Bulk Hardness (HRC) | Wear Mechanism Suitability | Max Operating Temp |
|---|---|---|---|---|
| Chromium Carbide (Fe-Cr-C) | M7C3 (Cr-rich) | 58 - 62 HRC | High sliding abrasion, moderate impact | 350°C (660°F) |
| Complex Carbides (Fe-Cr-Nb-Mo-W-V) | MC, M7C3, M23C6 | 60 - 65 HRC | Extreme abrasion, erosive wear, high temp | 540°C (1000°F) |
| Tungsten Carbide Dispersion | WC-Co / W2C | 65 - 70 HRC | Severe grinding abrasion, low-to-medium impact | 450°C (840°F) |
In developing custom CCO wear plates, the technological roadmap focuses on two core engineering parameters:
Weld-on wear plates are not uniform solutions. Different industrial zones exhibit highly distinct wear patterns, necessitating localized and custom-designed geometries:
Cement Industry: Cement manufacturing involves handling raw limestone, clinker, and gypsum. Chutes feeding raw mills experience heavy impact combined with slide wear. Weld-on CCO liners with counter-bored holes or pre-welded threaded studs allow quick installation. Replacing standard carbon steel with RX®wp 7600 plates increases component service life from 6 months to over 3 years, drastically lowering operational disruption.
Mining Operations: Iron ore, gold, and copper extraction processes subject equipment to aggressive wear. In massive dump truck beds, materials dropping from excavators subject liners to high-energy impact. We design custom-engineered segmented weld-on grids that allow fine material to pack into the gaps, creating a "rock-on-rock" wear barrier, reducing metal-on-metal friction and prolonging the main body structure.
Steel Mills: Coke and sinter handling involves high temperatures (up to 450°C) and abrasive dust. Ordinary hardened steel loses structural integrity and softens at these temperatures. Runxing’s specialized complex carbide overlay plates maintain high mechanical hardness and chemical resistance at high temperatures, securing discharge chutes and distribution bins in blast furnace areas.
Tangshan Runxing Machinery Co., Ltd., a professional manufacturer located in Tangshan, Hebei Province that focuses on R&D, production and on-site construction service of hardfacing wear-resistant metal products, was founded in 2010.
Our main products include chromium carbide overlay (CCO) wear plates, custom processed wear liners, wear-resistant pipes and pipe fittings, hardfacing flux-cored welding wires, automatic hardfacing welding machines, and professional roller surfacing repair service. We follow the business idea of “Integrity, Superior Quality, Innovation & Sustainable Development” and own mature advanced metal surface hardfacing technology.
We provide customized wear-resistant solutions for cement, steel, mining, port and dredging industries around the world, and have gained a solid market reputation in Russia, Central Asia, South America, and Africa.
Strategic Partners & Compliance: Runxing Machinery has been a qualified agent for VAUTID in Germany for six consecutive years. This long-term relationship ensures we utilize top-tier, internationally certified metallurgical consumables for premium applications. All export operations are fully authorized and managed by Hebei Yuwan International Trade Co., Ltd., ensuring smooth customs clearance, reliable documentation, and secure transaction execution.
Industrial operations require components that are not only high-performing but also delivered reliably and cost-effectively. Operating out of Tangshan, Hebei Province—the heartland of China's structural steel production—Runxing Machinery enjoys access to raw materials and metallurgical supply chains. This geographical advantage directly translates into several key customer benefits:
The availability of critical equipment determines a plant's overall productivity. Our wear-resistant plates and custom liners secure continuous run-times for clinker chutes and material feeds.
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We help global mine operators increase profitability and sustainability by delivering comprehensive, cost-effective wear solutions designed for highly abrasive environments.
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Steel manufacturing involves aggressive conditions, including raw minerals, high temperatures, and corrosion. Our complex carbide plates resist softening under high heat loads.
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Wear protection solutions optimized for fan blades, conveyor chutes, coal mills, dust removal systems, and bulk fuel transport systems.
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Conveying and loading equipment is central to port efficiency. Our customized wear liners minimize maintenance downtime on stackers, reclaimers, and transfer chutes.
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For highly specialized applications, we provide wear-resistant alumina ceramic components made of high-purity superfine alumina powder sintered at high temperatures.
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Developing high-toughness alloys and testing complex carbides to meet the evolving demands of modern wear engineering.
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Collaborating with technical universities and industrial partners to design next-generation wear mitigation technology.
See more products>The field of wear protection is evolving rapidly, driven by industrial automation, resource conservation, and the demand for longer machinery service intervals. The research and development pipeline at Runxing focuses on three main technical areas:
1. Grain Refinement through Micro-Alloying: Adding trace amounts of refractory metals, such as Niobium (Nb), Titanium (Ti), and Boron (B), refines primary chromium carbides. Smaller, more densely distributed carbides improve both impact resistance and abrasion tolerance, mitigating the risk of chipping under heavy shock loads.
2. Smart Weld Overlays with Integrated Wear Indicators: Future wear plates will feature multi-layered indicators. When the top carbide wear layer is depleted, a contrasting color or chemical tracer layer is exposed, allowing operators to visually identify and plan scheduled replacements during standard maintenance shutdowns, preventing unplanned failures.
3. Advanced Robotics & AI Welding Control: Implementing machine-learning-driven closed-loop feedback systems in our automated welding equipment allows for real-time adjustments of voltage, travel speed, and oscillation width. This controls the cooling rate and minimizes heat-affected zone (HAZ) stresses, producing flatter plates with highly consistent thickness and metallurgical structure.
We recently launched our updated website www.runxing-machinery.com to offer a comprehensive digital platform for wear-resistant procurement and technical resource sharing.
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Participated in the South Africa International Construction & Mining Machinery Exhibition in Johannesburg, showcasing our custom weld-on wear plates to the African mining sector.
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Dean Yuan Shaoqiang, Vice Dean Li Jing, and Professor Yang Yuehui visited our facility for research, driving development in metal forming and welding technology.
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Runxing Machinery has maintained a strong partnership with VAUTID Germany, integrating premium-grade German welding consumables into our wear solutions.
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We exhibited at EXPOMIN 2023, the world's second-largest professional mining exhibition, introducing our custom CCO plates to key Latin American mine operators.
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Operating heavy industrial projects requires strict adherence to international safety and quality standards. Our manufacturing processes and materials comply with relevant global standards, including:
To support global projects, our technical teams offer extensive post-delivery services. This includes engineering support to assist on-site teams with weld-on installation procedures, welding parameter selection, and crack control measures. Through Hebei Yuwan International Trade Co., Ltd., we handle all shipping logistics and customs compliance, ensuring seamless delivery directly to your site.
Automated CNC welding setups configured for overlay production. Features quad-gun configurations and 10.2-inch touch-screen parameter controls.
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Full-scope mechanical design, machining of complex wear liners, and custom assembly fabrication tailored to international industrial specifications.
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Specialized restoration services for industrial rollers, coal mill rolls, and crushers, recovering profile dimensions and extending service lifetimes.
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High-chromium structural cladding optimized to resist severe gouging and wear in bulk material handling hoppers.
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Engineered for open-arc deployment, delivering high deposit efficiency and consistent chromium carbide structures without external shielding gas.
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Fuses structural steel toughness with high-density chromium overlay, providing durable protection for heavy-duty process chutes.
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Available in various diameters, these wires are formulated to restore and reinforce high-wear mechanical surfaces.
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Designed for severe wear zones in mining and cement mills. Offers high hardness to resist abrasive sliding wear.
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