OEM Flame Spraying Manufacturer & Manufacturers

Advanced Surface Engineering, Industrial Thermal Protective Coatings & High-Durability Hardfacing Solutions for Global Heavy Industry Systems

Engineered Hardfacing & Coating Solutions

Explore our top-performing wear-resistant products designed to withstand extreme mechanical abrasion, high-temperature oxidation, and chemical corrosion.

Wholesale Hardfacing materials - Flux cored wires

Wholesale Hardfacing Materials - Flux Cored Wires

High-chromium alloy wires engineered for heavy impact and extreme stress grinding abrasion. Essential for rebuilds and overlay maintenance.

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ODM High Hardness CCO Wear Plate

ODM High Hardness CCO Wear Resistant Plate

Runxing RX-m series specifically formulated for mining chutes, cement liners, and other systems handling severe geological aggregates.

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Bimetallic chromium carbide surfacing wear-resistant composite steel plate

Bimetallic Chromium Carbide Composite Steel Plate

High-quality surfacing plates featuring a severe-abrasion wear layer metallurgically bonded to structural steel backing plates.

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ODM Chromium Carbide Overlay Wear Plate

ODM Chromium Carbide Overlay (CCO) Wear Plate

Custom fabricated overlay plates developed inside our ISO-certified facilities to ensure extreme density and uniform carbide distribution.

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OEM self-shielded flux cored wire

OEM Self-Shielded Flux Cored Wire (Hardfacing)

Engineered for open-arc welding on heavy industrial machinery. Guarantees smooth operability and high-deposition efficiency in outdoor fields.

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Wear Plate RXwp 7600

Wear Plate - RX®wp 7600 Premium Series

Composite structural wearplate conforming strictly to DIN 8555 standards, utilizing a high-density weld deposit on structural backing plates.

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Welding Wire

Welding Wire - High Chromium Alloy

Premium grade self-shielded open arc welding wire, formulated for restoring components exposed to low impact, high stress grinding forces.

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PTTA Surfacing

PTTA - Advanced Surfacing Protection

Specialized flux-cored wire design targeting high grinding wear with low impact, maintaining the structural integrity of wear plates.

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Whitepaper: Industrial Wear Solutions & The Strategic Role of Flame Spraying

In the macro landscape of modern heavy industry, tribological degradation—specifically severe abrasion, surface erosion, and corrosion—costs industrial operators millions of dollars annually in unexpected downtime, critical machinery replacements, and loss of production efficiency. Mechanical surfaces in processing plants face harsh operational environments that demand advanced surface engineering to protect capital investments. As a leading OEM Flame Spraying Manufacturer & Manufacturers, Tangshan Runxing Machinery Co., Ltd. addresses this challenge by providing highly engineered thermal protective coatings, chromium carbide overlays, and automatic welding solutions designed to extend the lifespan of industrial components by up to 500%.

14+ Years R&D Expertise
60% Wear Rate Reduction
30+ Countries Reached
4 Simultaneous Welding Guns

The Technology Breakdown: Flame Spraying vs. Hardfacing Surfacing

Thermal spraying processes, including flame spraying (wire and powder systems), high-velocity oxygen-fuel (HVOF), and atmospheric plasma spraying, represent a cornerstone of modern surface engineering. These thermal technologies differ fundamentally from traditional hardfacing. While hardfacing creates a metallurgical bond by partially melting the base metal to weld a new alloy layer, flame spraying utilizes a chemical combustion reaction to melt the coating material (usually in wire or powder format) and aerosolizes it onto the target surface. This kinetic deposition creates a mechanical, lamellar bond characterized by extremely low heat input into the base substrate. This low thermal impact eliminates structural distortion, changes to base metal crystal structures, or heat-affected zone (HAZ) cracking risks—making flame spraying the method of choice for precision shafts, turbine components, and thin-gauge structural pieces.

Note on Material Chemistry: The selection of coating chemistry—ranging from high-chromium carbides to nickel-chromium-boron-silicon (NiCrBSi) self-fluxing alloys—is critical. In environments where severe grinding abrasion dominates with minor impact stresses, hypereutectic chromium carbide structures provide maximum wear resistance, while thermal sprayed nickel alloys offer outstanding corrosion and oxidation resistance in high-temperature processing zones.

Runxing's Metallurgical Profile and Strategic Alliances

To keep pace with the evolving demands of heavy mining, cement, and steel operations, Tangshan Runxing Machinery has established a comprehensive research and development ecosystem. Working alongside academic experts, including the Dean of Tangshan University, Yuan Shaoqiang, Vice Dean Li Jing, and Professor Yang Yuehui (Team Leader of Metal Materials and Forming Technology), our engineering department translates advanced metal solidification theories into production-ready hardfacing products. This R&D rigor has enabled Runxing to remain a qualified, authorized partner for VAUTID (Germany) since 2019. By combining premium VAUTID chemical formulations with our automated manufacturing setups, we ensure that every CCO wear plate and flux-cored wire we ship meets high international specifications for carbide volume fraction, matrix microhardness, and structural longevity.

Macro-Economic Analysis: Global Commercial Outlook

The global demand for high-durability surface coatings and hardfacing overlays is closely tied to infrastructure investments, mining outputs, and energy production. Emerging economies and traditional industrial hubs alike are shifting their maintenance paradigms from "reactive replacement" to "predictive surface optimization." This shift is fueled by carbon emission reduction goals; extending the lifespan of steel components by five-fold reduces the demand for primary iron ore smelting, lowers manufacturing carbon footprints, and cuts logistics energy requirements. By deploying advanced surface engineering processes, modern heavy industrial sectors significantly lower their overall operational expenditures (OPEX) while supporting planetary conservation initiatives.

Industrial Applications & Solutions

Our advanced wear plates and hardfacing materials are customized to withstand the specific degradation mechanisms of major heavy industries.

Cement Plant Wear Protection

Cement Production

We provide specialized wear plates for clinker chutes, raw mill feed hoppers, separator guide vanes, and raw material conveyance lines, securing maximum production availability.

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Mining Equipment Liners

Mining & Excavation

Engineered solutions for dump truck beds, dragline buckets, sizing screens, and high-stress rock chutes to survive severe rock-on-steel friction forces.

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Steel Mill Wear Solutions

Iron & Steel Mills

Sinter plant screens, guide plates, and skip cars endure high temperatures combined with dry abrasion. Our overlays maintain structural integrity up to 600°C.

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Power Plant Fan Blades

Thermal Power Generation

Protective overlays for pulverizer coal conduits, coal handling hopper liners, dust extraction fan blades, and exhaust pipeline systems.

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Port Unloader Chutes

Ports & Marine Terminals

High-exposure bulk loading chutes, grab bucket jaws, and stacker-reclaimer liners require reliable wear coatings to withstand abrasive ores combined with saltwater air.

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Alumina Ceramics Wear Protection

Alumina Ceramics

High-purity sintered alumina ceramics serve as an alternative option where chemical corrosion and high-velocity sliding friction require smooth, ultra-hard non-metallic surfaces.

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Future Innovations

Future Advancements

We continue to prototype hybrid metallic-ceramic coatings and automated cladding methodologies to meet tomorrow's industrial processing limits.

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R&D Lab Testing

Continuous Integration

We run real-time material fatigue and structural microanalysis in our laboratories, adding custom chemical blends for regional client demands.

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Events, Exhibitions & Partnerships

Catch up with the latest milestones from Tangshan Runxing Machinery, featuring academic visits, global expos, and technology releases.

Tangshan Runxing Machinery Website Launch

Tangshan Runxing Machinery Co., Ltd. Unveils New Website to Enhance Services and Industry Connectivity

Our digital gateway is live, offering full catalog access and streamlined quote pathways. Clients in dredging, cement, and metallurgy can now explore custom wear solutions online.

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Africa 2024 Trade Show

Runxing Machinery at Electra Mining Africa 2024

In Johannesburg, South Africa, Runxing presented heavy-duty hardfacing wires, wear plates, and industrial roller rehabilitation procedures to African mining enterprises.

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Tangshan University Leaders Visit

Leaders of Tangshan University Visited and Inspected Our Facilities

Dean Yuan Shaoqiang, Vice Dean Li Jing, and Professor Yang Yuehui visited Runxing for an on-site review of our joint steel metallurgy research, improving our academic-to-factory technology pipeline.

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VAUTID Qualification Agent

Qualified Agent for VAUTID in Germany for Six Consecutive Years

Our partnership with VAUTID guarantees access to high-quality raw welding alloys, strengthening our high-hardness chromium overlay formulations.

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EXPOMIN 2023 Chile

Runxing Machinery Participated in EXPOMIN 2023 Exhibition in Chile

Marking our expansion into Latin American mining markets, our engineering team showcased wear solutions for conveyor drop boxes and high-throughput milling equipment.

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Globalized Operations, Logistics Quality & Regulatory Compliance

Deploying heavy industrial components internationally requires strict attention to trading laws, logistics validation, and product traceability. To maintain smooth delivery pipelines, Tangshan Runxing Machinery channels all export operations through Hebei Yuwan International Trade Co., Ltd. This specialized trade partner manages global logistics, Customs clearances, payment processing, and bill-of-lading distributions. This separation allows our manufacturing plants to focus fully on metallurgical development, hardness testing, and thickness calibration—ensuring that every cargo matches the customer's exact drawings and quality requirements.

Compliance & Export Operations: Our product exports conform strictly to ASTM G65 abrasion test standards and DIN 8555 welding wire designations. With comprehensive documentation, we guarantee seamless import processes into Russia, Central Asia, South Africa, South America, and European industrial zones.

Industrial Automation & Next-Generation Hardfacing Equipment

Consistency is key to modern chromium carbide overlay performance. Manual overlay processes can lead to alloy dilution, erratic thickness distribution, and surface cracking. Runxing addresses these limitations by designing and building customized automated hardfacing welding machines. Our automated surfacing setups feature 10.2-inch touchscreen numerical control consoles that allow operators to adjust swing speed, traverse rates, and arc currents in real-time. Equipped with up to four welding guns operating simultaneously or independently, these systems achieve high deposition rates while maintaining a uniform chemistry overlay, reducing microstructural variance and keeping plate surfaces flat.

Technical Q&A - Hardfacing & Coating Systems

Get answers to the most common questions regarding structural material selection, wear plate fabrication, and wear-management strategies.

What is the primary difference between flame spraying and hardfacing welding?

Flame spraying uses combustion energy to melt and spray wire or powder alloys onto substrates at relatively low temperatures, forming a mechanical bond without changing the base metal's structure. Hardfacing welding involves partial melting of the base metal to create a high-strength metallurgical bond, which is better suited for heavy-impact environments but introduces more heat into the part.

Why does Chromium Carbide Overlay (CCO) display surface cracking?

The surface checking cracks on CCO plates are normal and result from stress relief during cooling. These hairline cracks occur only within the hardfacing deposit and do not propagate into the ductile structural steel backing plate, ensuring the plate remains strong and easy to weld or bolt in place.

How does Runxing maintain chemical consistency across large wear plates?

Consistency is achieved by using automated surfacing machines equipped with CNC touchscreen controls. These systems regulate travel speeds, oscillating ranges, and wire feed speeds to ensure an even alloy profile and consistent carbon-to-chromium ratios.

Can wear-resistant composite plates be formed and cut to custom shapes?

Yes, our CCO wear plates can be cut using plasma arc, waterjet, or laser systems. They can also be rolled and formed into convex or concave shapes to line curved pipe sections, coal mill separator cones, and complex hopper profiles.

Automated Hardfacing Equipment & Machining Services

Discover our comprehensive range of specialized surfacing machines, machining capabilities, and mill roll repair operations.

Welding Equipment

RX® Automated Surfacing Welding Equipment

High-automation overlay welding setups featuring CNC control interfaces, multi-gun setups, and adjustable oscillation patterns.

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Machining and Engineering

Industrial Machining & Engineering Projects

Custom fabrication of heavy structural accessories, industrial assemblies, and machinery components engineered to withstand abrasive environments.

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Roll Repair

Industrial Roll & Grinding Mill Roller Repair

Restoration services for vertical mill grinding rolls, table segments, and casting line conveyor rollers, reducing replacement and maintenance costs.

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Wholesale Hardfacing materials - Flux cored wires

Wholesale Flux Cored Wires (Hardfacing Alloys)

Bulk distribution of high-hardness surfacing wires, optimized for restoring high-impact shovel buckets and excavation gear.

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ODM High Hardness CCO Plate

ODM Wear Resistant CCO Plates (Mining & Cement)

Custom fabricated overlay plates developed for high-stress chutes and hopper liners handling raw material flows.

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Bimetallic chromium carbide surfacing plate

Bimetallic Surfacing Wear Composite Plates

High-quality wear-resistant plates featuring a high-alloy hardfacing layer metallurgically bonded to a mild steel substrate.

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ODM Chromium Carbide Overlay Wear Plate

ODM Chromium Carbide Overlay (CCO) Plates

High-density wear plates developed to protect heavy chutes, separator components, and structural hopper walls.

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OEM self-shielded wire

OEM Self-Shielded Flux Cored Welding Wires

Open-arc hardfacing wire, formulated for field repairs where gas shielding is impractical.

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Inside Runxing Machinery: Workshop & Materials

A look at our production capacity, quality assurance processes, and core hardware facilities in Tangshan, China.