Premium grade hardfacing consumables designed for heavy impact and sliding abrasion. Perfect for mining, cement, and power plant reconstruction projects across Bohemia and Moravia.
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High-chromium open-arc welding wires engineered for on-site machinery maintenance. Requires no external shielding gas, maximizing efficiency in outdoor steel mills and quarries.
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Chromium carbide overlay wear plates providing unmatched wear resistance under severe sliding stress. Highly customized liners designed for vertical mill housings and hopper systems.
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Bimetallic structural wear plates utilizing a premium carbon steel backing fused with hyper-eutectic chromium alloy layers, complying fully with EN standards.
View Details →The Czech Republic stands as one of the most industrialized nations in the European Union, with a historical core rooted in heavy engineering, automotive manufacturing, energy production, and steel metallurgy. Industrial hubs like the Moravian-Silesian Region (Moravskoslezský kraj), centered around Ostrava, host legacy steel works such as Třinecké Železárny. Meanwhile, major lignite mining sites in the North Bohemian Basin (e.g., Bílina, Vršany) fuel critical thermal power operations, such as the Počerady and Ledvice power stations.
In these high-intensity environments, wear and tear is a constant and costly operational reality. Excavator bucket lips, conveyor chutes, coal pulverizers, and vertical cement grinding mills are subjected to continuous sliding abrasion, impact force, and high temperatures. Conventional structural steel sheets wear down rapidly, causing unscheduled plant shutdowns, massive maintenance costs, and productivity loss. High-chromium hardfacing welding wires and Chromium Carbide Overlay (CCO) plates are the absolute technical standard to extend component lifetime by 300% to 500% compared to standard carbon steel.
Modern industrial surfacing applications have shifted from manual stick electrode welding to highly automated open-arc flux-cored wire processes. The fundamental technological roadmap revolves around optimizing the microstructure of the deposited weld pool. When cladding with a premium chromium carbide alloy (such as Runxing RX®wp 7600), the chemical target is a hyper-eutectic deposit containing primary hexagonal M7C3 carbides embedded in a tough, carbon-saturated austenite matrix. This specific microstructure ensures the cladding retains maximum abrasive wear resistance while avoiding catastrophic brittle failure under impact.
| Alloy Class | Typical Chemical Composition (%) | Deposit Hardness (HRC) | Primary Microstructure | Best Application for Czech Industry |
|---|---|---|---|---|
| High-Cr Alloy (RX-100) | C: 4.0 - 5.5 | Cr: 25.0 - 32.0 | 58 - 62 | Primary M7C3 + Austenite | Cement mill liners, Coal pulverizer parts |
| Complex Carbide (RX-200) | C: 4.5 - 6.0 | Cr: 22.0 - 28.0 | Nb/Mo/W/V: 4.0 - 8.0 | 60 - 65 | Fine Complex Carbides | Sinter plant screens, high-temp blast furnace bells |
| Low-Cr Buffer Layer | C: 0.1 - 0.25 | Cr: 5.0 - 12.0 | Mn: 1.0 - 2.0 | 35 - 45 | Martensite-Bainite | Build-up buffer layer on heavily worn steel shafts |
To support the evolving automation standards in Czech mechanical engineering shops (such as robotized cladding cells), the welding wire must exhibit outstanding wire-feed consistency, low spatter rates, and uniform slag detachability. Through continuous research and development, Runxing Machinery implements strict tolerances on wire diameter tolerances (+/- 0.03mm) and internal flux distribution, ensuring consistent deposition rates during multi-pass welding without interpass cracking defects.
Located in Tangshan, Hebei Province—the heart of China's steel manufacturing region—Tangshan Runxing Machinery Co., Ltd. operates a state-of-the-art Factory 4.0 facility. Our plant integrates automated dosing systems, high-speed drawing machines, and multi-gun CNC hardfacing welding stations. The direct supply of premium steel coils and ferroalloys from local metallurgical giants guarantees consistent quality and provides a resilient buffer against global raw material price fluctuations.
Through our exclusive export channel partner, Hebei Yuwan International Trade Co., Ltd., we manage the entire supply chain, customs clearance, sea transport, and documentation. For European buyers in the Czech Republic, we leverage the New Silk Road (China-Europe Railway Express) linking Hebei hubs directly to terminals in Prague, Ostrava, or Česká Třebová. This logistical integration guarantees transit times under 20 days and significantly reduces carbon emissions compared to air transport, aligning with EU sustainability mandates.
The operational lifetime of vertical roller mill (VRM) grinding rolls and table liners directly determines a cement plant's cost per ton. Our wear plate alloys and repair services resist high-stress grinding abrasion under intense pressure.
In Czech open-cast lignite mines, heavy soil excavation and sorting components wear out rapidly. Our self-shielded open-arc wires are optimized for on-field rebuilding of bucket-wheel excavators and dump truck liners.
Iron ore preparation, sintering, and blast furnace operations subject components to high temperature combined with abrasion. Runxing complex carbide alloys ensure thermal stability and structural integrity up to 600°C.
Pulverized coal lines, exhaust fan blades, and raw coal hopper systems are lined with our custom-machined wear-resistant pipes and CCO plates to ensure uninterruptible utility operations.
River ports on the Elbe (Labe) handle huge volumes of raw bulk chemicals, grain, and gravel. We supply high-durability grab bucket rebuild plates and material transfer chute claddings.
We provide comprehensive CAD-modeled wear plate linings and pipe fittings fabricated to exact specifications to replace OEM parts in heavy-duty recycling plant separators.
Founded in 2010 in Tangshan, Hebei Province, Tangshan Runxing Machinery Co., Ltd. has established itself as an international expert in the research, development, production, and field execution of hardfacing wear-resistant composite products. Our manufacturing footprint is built around the philosophy of "Integrity, Superior Quality, Innovation & Sustainable Development."
Our comprehensive production facility manufactures chromium carbide overlay (CCO) wear plates, tailored industrial liners, wear-resistant elbows, hardfacing flux-cored welding wires, and automatic cladding machinery. For over six consecutive years, Runxing Machinery has been recognized as a qualified partner and distributor for VAUTID in Germany, demonstrating our compliance with strict European technical quality standards.
All export logistics, international contracts, customs clearance, and global transactions are managed through our authorized corporate division, Hebei Yuwan International Trade Co., Ltd. This setup allows our factory technicians to focus entirely on metallurgy R&D and quality control, ensuring that every batch shipped to the Czech Republic meets EN ISO 14700 standards.
Runxing Machinery Production Line & Quality Verification Lab
Official partnership with German wear protection pioneer VAUTID
Our metallurgy and welding techniques are supported by joint research programs with Tangshan University. Leaders and metalforming professors (such as Dean Yuan Shaoqiang and Prof. Yang Yuehui) regularly guide research into primary carbide crystallization control.
Runxing successfully showcased its automated heavy surfacing technology and open-arc welding consumables at major international expos, demonstrating our ability to support heavy wear applications worldwide.
We demonstrated our extreme-durability chromium carbide plates for large-scale copper and gold mining operations. We continue to transfer these field-proven solutions to quarries and steel mills in Central Europe.
Composite material wear plate composed of structural backing steel and hard weld surfacing. RX®wp 7600 corresponds to European structural safety criteria.
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Self-shielded open-arc wire. Designed to resist grinding abrasion and low impact force. Suitable for rebuilding wear plates in remote environments.
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Proprietary high-alloy formulation engineered for plasma transferred arc cladding, delivering maximum resistance to severe grain abrasion.
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CNC hardfacing equipment featuring a 10.2-inch touchscreen and 4 welding guns operating simultaneously. Optimized for reclaiming mining rolls and wear plates.
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Advanced structural processing including plasma cutting, press brake forming, and roll-bending of CCO plates according to client blueprints.
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Refurbishment of coal mill grinding rollers and vertical cement mill discs. Extends the service life of worn castings and reduces operating costs.
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Engineered composite wear plate fusing high-concentration chromium carbide alloys with a weldable structural steel substrate.
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High-density overlay plates designed to withstand severe impact and sliding wear under gravity discharge in quarry hoppers.
View Details →Consult with our metallurgy experts to find the right alloy formulation for your heavy machinery. Reduce down-time and secure your industrial supply chain.
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