Engineered for onsite weld surfacing applications without external shielding gas. High chromium alloy design delivers superior resistance to high-stress grinding abrasion.
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Bimetallic wear-resistant composite steel plate featuring a structural base plate bonded with a high-chromium weld surfacing overlay for maximum service life.
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Wide range of high-alloy hardfacing wires developed for severe sliding wear, impact abrasion, and metal-to-metal contact applications across industrial processes.
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Custom fabricated chromium carbide overlay (CCO) wear plates designed to withstand extreme abrasive wear in mining chutes, hoppers, and cement applications.
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Runxing RX-m Series specifically optimized for mining and cement chute liners. Delivers industry-leading wear ratios under continuous raw mineral throughput.
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High-performance composite material made of structural steel backing and hard weld surfacing. Confirms with DIN 8555 standards for industrial wear liners.
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Self-shielded flux-cored wire configured for high-stress grinding abrasion. Low impact sensitivity properties prevent overlay spalling.
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Advanced numerical control surfacing equipment with four independent welding guns. Delivers high deposition efficiency with uniform swing welding controls.
Learn More >In heavy industrial processing, the degradation of equipment due to friction, abrasion, impact, and chemical corrosion presents a multi-billion-dollar operational challenge. Components such as mill pulverizer rollers, hopper chutes, sinter stars, and transport pipelines operate under continuous tribological stress. The implementation of optimized hardfacing alloys—namely via advanced welding rods, self-shielded flux-cored wires, and chromium carbide overlay (CCO) composite plates—stands as a primary strategy for extending service life, reducing downtime, and improving the energy efficiency of industrial operations.
Traditional mild steel or standard alloy steels suffer rapid plastic deformation and micro-cutting under the action of abrasive minerals. Hardfacing works by depositing an alloy layer with a high concentration of hard primary phases, such as primary M7C3 chromium carbides, embedded within a tough, supportive martensitic or austenitic matrix. This specific microscopic structure is critical; it allows the material to resist micro-grooving while preventing brittle failure under low-to-medium impact force.
Industrial procurement agents looking for high-quality wholesale welding rods and overlay materials must evaluate suppliers based on verifiable metallurgical specifications, manufacturing consistency, and application expertise. Finding a reliable wholesale welding rod manufacturer involves understanding the complex balance between raw material chemistry, production quality management, and international logistics efficiency.
Founded in 2010, Tangshan Runxing Machinery Co., Ltd. is a specialized manufacturer based in Tangshan, Hebei Province—the core hub of China’s steel and metallurgical industries. The company specializes in the R&D, advanced production, and on-site engineering service of hardfacing wear-resistant metal products. Runxing’s core engineering portfolio includes premium chromium carbide overlay (CCO) wear plates, customized wear liners, hardfaced wear-resistant piping, flux-cored welding wires, automated surfacing equipment, and professional industrial roll repair services.
Our operational business philosophy revolves around "Integrity, Superior Quality, Innovation & Sustainable Development". Leveraging mature, advanced metal surface modification techniques, we deliver customized, high-performance wear-resistant solutions to heavy industrial enterprises globally. Our high-durability solutions have garnered significant acclaim in major industrial zones, including Russia, Central Asia, and the broader global market.
To optimize global trade dynamics and ensure compliance, all international transactions and export services are fully authorized and managed by our specialized partner, Hebei Yuwan International Trade Co., Ltd. This strategic division allows Hebei Yuwan to streamline export operations, customs clearance, international logistics, and multi-currency payment collection, while the Runxing manufacturing plant focuses strictly on R&D, product quality assurance, and automated fabrication efficiency.
The primary focus in cement production is the availability of critical mills. Wear-resistant hardfacing deposits on roller presses and tables directly dictate the operational cycle of the facility.
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Global mining houses require solutions that increase throughput profitability. Our customized wear liners protect heavy shovel buckets, dump trucks, and ore chutes handling high impact.
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Iron-making involves high temperatures, severe abrasion, and impact. Surfacing alloys preserve sinter fans, guide plates, and raw mineral feed bins under brutal operational states.
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Coal-fired power plants rely on hardfacing for fan blades, pulverizer components, hopper liners, and conveyor chutes to maintain consistent generation capacity and minimize forced shut-downs.
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Heavy cargo handling, loading chutes, and conveyor systems at deepwater ports process millions of tons of dry bulk materials. Wear protection here preserves critical infrastructure.
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Applying high-purity alumina ceramics (sintered under optimized formulas) for specialized pipe systems and chemical components requiring zero metallic contamination.
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We continue to build customized weld repair processes and field engineering schedules to expand local equipment lifetimes worldwide. Watch this space.
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Developing next-generation submicron complex carbides to handle extreme high-temperature environments over 650°C. New case histories coming soon.
Explore Case Details >Tangshan Runxing Machinery’s manufacturing facility integrates elements of the Industry 4.0 paradigm to deliver reliable hardfacing materials at scale. The production of bimetallic chromium carbide overlay plates requires precise control of heat input, cooling rate, and chemical composition to minimize structural distortion while securing a dense concentration of hard primary M7C3 chromium carbides. Through automated multi-torch welding systems, the temperature profile across the steel plate is digitally monitored, preventing local overheating and ensuring a uniform overlay deposit.
Our raw material supply chain leverages Tangshan's robust domestic steel base. This allows us to source premium structural backings (such as Q235B and Q345B) at highly competitive costs. Simultaneously, the manufacturing of our flux-cored wires involves high-precision dosing of internal powder formulations (including ferrochromium, carbon, ferromanganese, and silicon). These are wrapped into continuous tubes via computerized drawing lines, ensuring a uniform powder density along the length of the wire. This level of process control ensures that during welding, the arc remains stable, spatter is minimized, and the chemistry of the weld deposit remains highly consistent.
To further establish our technical authority, Tangshan Runxing has maintained a qualified agency status for Germany's world-renowned VAUTID brand for six consecutive years (since 2019). VAUTID is widely recognized as a global leader in alloy wear-resistant solutions. By incorporating VAUTID's proprietary, high-end welding consumables into our manufacturing processes for specialized wear components, we ensure that our global customers have access to European engineering standards coupled with the production flexibility and cost advantages of our China-based smart manufacturing facility.
The industrial landscape is moving rapidly toward decarbonization and operational efficiency. The next phase of Runxing's R&D roadmap focuses on three core pillars:
For engineering transparency, our products are categorized according to DIN 8555 (German standard for welding filler metals for surfacing). For example, our flagship RX®wp 7600 wear plate corresponds to DIN 8555 MF10-60-G, indicating a gas-free/open-arc application with high-alloy chemistry designed for severe sliding wear at temperatures up to 350°C.
For international procurement managers, securing long-term contracts for wholesale welding rods and wear plates requires strict adherence to QA/QC protocols. Runxing operates under ISO 9001:2015 quality management standards. Each batch of flux-cored wire and CCO plate undergoes rigorous testing before shipment, including chemical analysis (via optical emission spectrometry), macro-hardness surveys (Rockwell HRC), and ASTM G65 Dry Sand/Rubber Wheel abrasion tests to verify volumetric wear loss rates.
Furthermore, to guarantee a seamless cross-border supply chain, Hebei Yuwan International Trade Co., Ltd. handles all export formalities. Global procurement operations often face bottlenecks in customs clearance, tariff classification, and transport documentation. Hebei Yuwan mitigates these risks by providing comprehensive trade services, including:
Self-shielded flux-cored wires (such as the Runxing RX-series) contain internal chemical compounds that decompose under the intense heat of the welding arc to generate their own shielding gas (carbon dioxide and carbon monoxide). This eliminates the need for high-pressure external gas cylinders, making self-shielded wire ideal for outdoor field maintenance and onsite surfacing where wind might disperse external shielding gases. Gas-shielded wires, conversely, require an external gas source (such as Ar/CO2 mixtures), which typically yields a smoother weld bead but restricts operation to indoor shop environments.
Solid steel plates, even when heat-treated to high hardness, have a uniform microstructure that can suffer rapid wear or brittle fracture under severe abrasion. Bimetallic CCO plates combine a ductile base plate (such as Q235B mild steel) with a highly alloyed overlay. The base plate provides structural strength, weldability, and impact absorption, allowing the composite plate to be easily welded or bolted onto machinery. The overlay provides a high concentration of primary chromium carbides (M7C3) which act as hard barrier phases, reducing volumetric wear loss by a factor of 10 to 30 compared to structural carbon steel.
Our RX-m Series utilizes a refined chemical profile containing precise balance levels of Chromium, Carbon, Manganese, and other transition elements. During solidification of the weld pool, the cooling rate is controlled to prevent the formation of massive, brittle carbides that tend to crack under impact. Instead, we achieve a dense distribution of hexagonal primary carbides embedded within a tough, work-hardening austenitic-martensitic matrix. This matrix acts as a shock absorber, locking the carbides in place and preventing them from spalling or cracking when hit by large rocks or ore feed.
The Runxing RX® Surfacing Equipment features a high-end programmable numerical control system accessed via a user-friendly 10.2-inch touch screen. Operators can program the welding head's travel speed, swing width, oscillation frequency, and dwell times at the weld bead edges. It supports four independent or synchronized welding guns. The system is compatible with solid, flux-cored, and self-shielded open-arc wires, allowing processing plants to rebuild heavy parts like cement mill rollers, vertical mill rolls, and large conveyor shafts with high efficiency and minimal human error.
We provide comprehensive material validation reports. This includes a Mill Test Certificate (MTC) showing the exact chemical composition (carbon, chromium, manganese, silicon, niobium, etc.) and a hardness distribution profile across the overlay weld cross-section. For wear performance validation, we conduct ASTM G65 tests—a standard test method for measuring abrasion resistance using the dry sand/rubber wheel apparatus. These verified test reports give procurement teams objective data to calculate their Return on Investment (ROI) and predict equipment service life extensions.
Tangshan Runxing Machinery Co., Ltd. has launched its dedicated online platform www.runxing-machinery.com to offer a comprehensive one-stop procurement hub for wear-resistant products.
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From Sept 2 to 6, 2024, Runxing participated in the South Africa International Construction and Mining Machinery Exhibition in Johannesburg, strengthening African market ties.
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In 2023, Dean Yuan Shaoqiang and Vice Dean Li Jing, alongside metal forming experts, visited our facility to inspect our advanced metallurgical processing lines.
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Since 2019, Tangshan Runxing has been utilizing high-grade VAUTID materials for custom overlays, ensuring mutual technological integration with Germany's leading brand.
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Runxing exhibited its mining-focused wear solutions and CCO products at EXPOMIN 2023, the world's second-largest professional mining exhibition in Santiago, Chile.
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Engineered for onsite weld surfacing applications without external shielding gas. High chromium alloy design delivers superior resistance to high-stress grinding abrasion.
Learn More >
Bimetallic wear-resistant composite steel plate featuring a structural base plate bonded with a high-chromium weld surfacing overlay for maximum service life.
Learn More >
Wide range of high-alloy hardfacing wires developed for severe sliding wear, impact abrasion, and metal-to-metal contact applications across industrial processes.
Learn More >
Custom fabricated chromium carbide overlay (CCO) wear plates designed to withstand extreme abrasive wear in mining chutes, hoppers, and cement applications.
Learn More >
Runxing RX-m Series specifically optimized for mining and cement chute liners. Delivers industry-leading wear ratios under continuous raw mineral throughput.
Learn More >
High chromium alloy designs developed for resisting high-stress grinding abrasion. Low impact sensitivity keeps overlays secure under wear.
Learn More >
Custom machining of structural backing plates, wear components fabrication, and specialized wear assemblies to technical blueprints.
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Comprehensive restoration of worn mill rolls, continuous casting rolls, and grinding table assemblies using specialized hardfacing alloys.
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Runxing machinery