Maximize mechanical component lifespan under extreme abrasive, impact, and erosive conditions with our premium alloy systems.
Premium gas-shielded and self-shielded hardfacing wire systems configured for massive-scale reclamation and weld overlay surfacing.
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Specially formulated chromium carbide overlay plate engineered to safeguard mining chutes and cement feed systems from severe wear.
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Double-layer composite plate featuring high-carbide concentration welded on dynamic structural steel backing for outstanding impact absorption.
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Designed for outdoor weld repair where external shielding gas is impractical. Delivers robust chromium-rich carbide deposits.
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Engineered CCO plates with a micro-structural density of M7C3 primary carbides optimized for heavy mineral sliding contact.
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High weld surfacing corresponding to DIN 8555 standards. Features a structural steel backing bonded with premium hardfacing layers.
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Formulated to resist severe high-stress grinding abrasion under low-to-moderate impact conditions across critical parts.
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Engineered for precise, low-dilution surfacing overlay. Excellent control of wear surfaces under high heat loading.
Learn Technical SpecsIn the heavy industrial domain, capital equipment is subjected to continuous degradation mechanisms including abrasion, erosion, high-stress impact, corrosion, and thermal cycling. Global procurement officers must look beyond simple unit-cost pricing when selecting hardfacing flux-cored wires; a holistic evaluation based on Total Cost of Ownership (TCO) is required.
Maximizing deposition rates (kg/h) reduces labor overhead and shortens turnaround schedules during maintenance shut-downs. High-quality flux-cored wires offer up to 85% deposition efficiency.
Advanced core formulation minimizes base metal dilution. This ensures that the desired wear-resistant microstructure is achieved in the first weld pass, decreasing material requirements.
Consistent wire diameter, constant fill ratio, and low moisture absorption in the flux are critical to prevent gas porosity, feed blockages, and arc instability on automated setups.
Procuring wear materials from reliable sources like Runxing Machinery ensures that metallurgical composition aligns with global standards such as DIN 8555 and AWS A5.21. Selecting the correct flux-cored wire—whether self-shielded open-arc or gas-shielded—dictates the operational efficiency of automated cladders and portable field-welding units alike.
Hardfacing (also termed clad overlaying or surfacing) involves applying a wear-resistant alloy layer onto a structural carbon steel substrate. The science relies on creating a microstructure embedded with hard particles within a ductile matrix to absorb impacts while preventing surface cutting and abrasion.
The standard chemistry of CCO features a hypereutectic concentration of Carbon (typically 3.0% to 5.5%) and Chromium (typically 20% to 35%). During solidification, this mixture yields primary M7C3 chromium carbides with a hardness value of 1200 to 1600 HV. These carbides are supported by a tough austenitic matrix.
Our research shows that achieving a high Carbide Volume Fraction (CVF) of at least 35% is essential to withstand sliding abrasion. The alignment of these primary carbide needles perpendicular to the wear surface provides maximum defense against gouging and cutting.
To resist higher stress abrasion combined with elevated thermal levels, standard chromium steels can be modified with strong carbide-forming micro-alloys such as Niobium (Nb), Titanium (Ti), Tungsten (W), and Vanadium (V). These elements form hard, finely dispersed carbides that remain stable at temperatures up to 650°C, preventing thermal softening.
Utilizes external shielding gas (such as Argon/CO₂ blends). This configuration provides a stable arc, minimal spatter, and fine weld profiles suitable for high-precision components and automatic rebuilding.
Features internal gas-generating minerals within the flux core. Ideal for on-site, windy, and high-temperature environments where gas tanks are impractical. Offers robust slag protection.
Formulated for heavy deposition runs on large rollers, wheels, and flat plates under a granular flux blanket. Minimizes UV exposure, fumes, and dilution rates.
Every heavy industry faces distinct mechanical wear mechanisms. Our engineering solutions utilize tailored hardfacing formulations to extend component runtimes.
Critical equipment in cement plants, such as vertical mill rollers, table segments, chute liners, and classifier blades, is subject to extreme sliding abrasion. Our chromium carbide overlays and roller rebuilding services keep mills running with minimal downtime.
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Earthmoving bucket teeth, heavy-duty truck beds, mineral sizing screens, and slurry transport systems suffer severe wear. We supply impact-tolerant manganese-chromium wire systems that work-harden under load.
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Dealing with iron ore raw feed, high temperatures, and chemical slag. Sintering grate bars, blast furnace distribution chutes, and hot roller tracks are clad with thermal-shock-resistant complex carbides to maintain dimensional integrity.
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Protecting coal pulverizer wheels, exhauster fan housings, and fly ash pipes from continuous particle erosion. Applying thin-layer, high-hardness overlays ensures maximum protection in gas streams laden with abrasives.
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Materials handling, loading/unloading hoppers, and grab bucket lips face abrasive sand and moisture. Bimetallic CCO plates and hardfaced repair overlays protect these surfaces to keep port logistics running smoothly.
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High-purity sintered alumina ceramics are utilized where fine, dry particle impingement causes premature metallic wear. Our ceramic wear liners are engineered for specialized pipeline elbows and chute systems.
See Ceramic SolutionsFounded in 2010 in Tangshan, Hebei Province—the heartland of Chinese steel production—Runxing Machinery has established itself as an R&D innovator and manufacturer of chromium carbide overlay (CCO) wear plates, custom liners, and hardfacing flux-cored welding wires.
Our industrial facility is equipped with automated high-speed multi-wire surfacing machines, heavy plate levelers, and plasma profiling cutters. We manufacture a comprehensive range of hardfaced wear protection materials designed to withstand high levels of abrasion and impact.
To ensure transparent global transactions, our entire export business is authorized and managed by Hebei Yuwan International Trade Co., Ltd. This structure allows our factory teams to focus on technical R&D, metallurgical quality control, and custom production schedules, while Yuwan handles logistics, customs clearance, and global payment terms.
We work in collaboration with the engineering teams at Tangshan University. Led by Dean Yuan Shaoqiang, Vice Dean Li Jing, and Professor Yang Yuehui (Metal Materials and Forming Technology Team), this partnership helps drive our continuous development of advanced wear alloys.
Our commitment to quality is highlighted by our long-term partnership with VAUTID (Germany). Runxing has been a qualified distributor and collaborative manufacturer for VAUTID welding materials for six consecutive years, giving our clients access to premium European metallurgy alongside our local production.
Attended the South Africa International Construction, Mining, and Power Equipment Exhibition to showcase our weld overlay technologies for the deep-level gold and platinum mining sectors.
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Showcased our high-hardness chute wear plates and roller repair options for copper mining plants at Latin America's largest mining exhibition in Santiago.
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We regularly host academic research programs and laboratory analysis groups at our plant to study how carbide size affects wear resistance in metal matrices.
Read ReportAccess details on metallurgy, chemical composition, welding parameters, and selection guidelines for hardfacing consumables.
Select from our product catalog or contact us for custom engineering specifications.
Equipped with CNC systems, touch-screen interfaces, and multi-gun controls, our equipment provides consistent overlays on wear plates, roll repairs, and grinding disks.
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Custom cutting, forming, and machining services to fabricate wear liners, chutes, and complex geometries tailored to your drawings.
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On-site and factory surfacing options for vertical mill rolls, conveyor rolls, and table segments. Restores equipment shape and increases operating life.
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Double-layer composite plates featuring a structural base and a hard weld overlay, corresponding to DIN 8555 standards.
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High-alloy flux-cored wires designed for high-stress grinding abrasion under low-impact conditions.
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Provides open-arc surfacing capabilities, allowing repair work without the need for external shielding gas tanks.
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Custom CCO wear liners engineered to protect heavy-duty chute systems and hopper liners from severe sliding wear.
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Premium-grade wear plates designed to extend equipment service life and reduce operating costs in harsh environments.
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Runxing machinery