High-chromium overlay welding wires engineered to combat severe gouging and grinding abrasion in cement mill and mining operations.
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Industrial structural steel plates cladded with dense chromium carbide alloy to survive extreme sliding wear environments.
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Self-shielded open arc welding wires ideal for on-site rebuilding, requiring no external shielding gas tanks during field operation.
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Custom-sized wear plates featuring outstanding primary chromium carbides designed to prolong processing machinery lifespan.
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Extreme wear protection plates for industrial chute liners, maximizing performance in mining and cement plants.
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Composite material wearplate made of a structural steel backing & a hard weld surfacing. RX®wp 7600 is a composite material made of a structural steel backing and ahard weld surfacing,corresponding to DIN 8555.
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self shielded flux cored wire. high chromium alloy designed for resisting high stress grinding abrasion with low impact. wear plates
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self shielded flux cored wire. high chromium alloy designed for resisting high stress grinding abrasion with low impact. wear plates
See more products →In modern heavy industries, wear is a continuous financial drain. Standard structural metals fail when subjected to severe abrasive environments found in mining, cement, power, and port operations. To resolve this challenge, material science turns to hardfacing.
The core mechanism behind high-quality flux cored welding wires is the high-density precipitation of primary chromium carbides (M7C3) within a supportive matrix (austenite, martensite, or complex alloy eutectic). During the deposit process, the molten metal pool cools to form these hexagonal carbides, which exhibit a hardness rating of up to 1500 HV. They act as barriers, resisting micro-cutting, gouging, and scratching from silica, quartz, and other minerals.
Flux cored wire utilizes a hollow metal sheath filled with customized alloys, deoxidizers, and slag-forming agents. This permits flexible adjustments in chemistry compared to solid wires, making it possible to create highly specialized hardfacing deposits.
| Alloy Class | Hardness Range (HRC) | Primary Wear Mechanism | Common Applications |
|---|---|---|---|
| High Chromium Carbide (Fe-Cr-C) | 55 - 62 HRC | High Stress Grinding Abrasion | Chute Liners, Sinter Screens, Mill Rollers |
| Complex Carbides (+Nb, Mo, W, V) | 60 - 67 HRC | Severe Abrasion & Elevated Temp | Blast Furnace Components, Cement Kilns |
| Martensitic Tool Steels | 50 - 58 HRC | Metal-to-Metal Wear & Impact | Guide Rolls, Gear Teeth, Shaft Rebuilding |
Industrial operators must choose between self-shielded open arc welding wires and gas-shielded wires. Self-shielded flux cored wires contain special gas-forming agents within their core. When ignited by the electrical arc, these materials vaporize to form a localized shielding zone. This eliminates the need for gas bottles, making FCAW-S critical for outdoor applications, on-site repairs, and windy structural zones.
Conversely, gas-shielded wires require an external source (such as CO2 or Argon/CO2 mixes) to protect the arc, resulting in slightly smoother weld beads, lower spatter levels, and higher deposition efficiency in controlled indoor workshop environments.
Heavy machinery wear is not simply a maintenance issue—it has direct consequences for plant productivity, carbon footprint, and energy consumption.
Worn-out machinery elements require increased energy to overcome friction, lead to material loss, and cause unscheduled shutdowns. By implementing high-grade Chromium Carbide Overlay (CCO) wear plates and utilizing premium hardfacing wires for rebuilding worn parts, companies can extend component life. This shifts maintenance schedules from reactive shutdowns to planned turnarounds, reducing replacement steel costs and welding labor overhead.
Founded in 2010, Tangshan Runxing Machinery Co., Ltd. serves as an industrial hub in Tangshan, Hebei Province. To streamline global supply chains, all export operations are managed by Hebei Yuwan International Trade Co., Ltd. This partnership allows the factory to focus on research and quality control, while Hebei Yuwan manages customs clearance, logistics, and international trade compliance for clients in Russia, Central Asia, and beyond.
To maintain high-quality materials, Runxing Machinery works with established international brands. Since 2019, Runxing has served as an authorized agent for Germany's VAUTID, incorporating high-quality German wear-resistant formulas into projects requiring specific wear resistance.
Ensuring operational reliability in raw meal mills, separator vanes, hopper liners, and crushing components where abrasive dust limits equipment lifespan.
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Providing custom-tailored chute liners, wear plates, and rebuilding wires for excavator buckets, helping operations maximize throughput in high-impact zones.
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Rebuilding continuous casting rolls, guiding rolls, and sinter crushing claws subjected to thermal shock, high loads, and severe abrasive wear.
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Hardfacing pulverized coal mill rollers, exhauster fan blades, and coal piping elbows to withstand high-velocity particle erosion.
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Wear protection for transfer hoppers, barge loading chutes, grab bucket lips, and transport screw conveyors handling abrasive raw cargo.
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Utilizing high-purity alumina ceramics for specialized installations where non-metallic linings are preferred for high-speed fine abrasive slurries.
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Continuing to develop new formulations, micro-alloying techniques, and thermal spray methodologies for the next generation of wear defense.
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Highlighting on-site weld surfacing operations and automated roller maintenance services designed to minimize plant downtime.
Learn More →Wear solutions require customization based on specific industrial operating conditions. A single chemical formulation cannot address every type of wear; factors like impact velocity, temperature, and chemical environment must be considered.
Runxing hardfacing alloys undergo testing using the ASTM G65 Dry Sand/Rubber Wheel Test. This protocol evaluates weight loss under high-stress sliding abrasion, ensuring wear plates and weld deposits maintain performance over time.
Our hardfacing wires comply with international designations, including DIN 8555 (e.g., MSG 10-GF-60-GR, MSG 10-GF-65-GR). This classification system helps engineers match wire specifications with specific industrial wear requirements.
Runxing Machinery's development pipeline focuses on three key areas:
Tangshan Runxing Machinery Co., Ltd. has launched its updated web portal at www.runxing-machinery.com to offer procurement tools and support resources for the global wear-resistant sector.
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Runxing presented its chromium carbide overlay wear plates and hardfacing wires at the Johannesburg International Convention Center during the 2024 Construction and Mining Machinery Exhibition.
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In 2023, leaders and professors from Tangshan University visited Runxing's production site to discuss joint research on metal materials, forming technologies, and new alloy development.
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Runxing has operated as an authorized agent for German wear alloy developer VAUTID since 2019, integrating European metallurgy with local manufacturing resources.
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Runxing exhibited at Expomin 2023 in Santiago, Chile, presenting mining sector wear liners and rebuilding materials to South American operators.
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High-efficiency CNC cladding machines with 4-gun setups, uniform swing systems, and touch screen controls for wear plate production and roller rebuilds.
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Runxing provides specialized machining for heavy machinery components, custom structures, and wear liners built to exact specifications.
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Reclaiming mill rollers, continuous casting rollers, and crushing disks to recover geometric tolerances and extend component wear life.
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High-chromium overlay welding wires engineered to combat severe gouging and grinding abrasion in cement mill and mining operations.
Detailed Specifications →
Industrial structural steel plates cladded with dense chromium carbide alloy to survive extreme sliding wear environments.
Detailed Specifications →
Self-shielded open arc welding wires ideal for on-site rebuilding, requiring no external shielding gas tanks during field operation.
Detailed Specifications →
Custom-sized wear plates featuring outstanding primary chromium carbides designed to prolong processing machinery lifespan.
Detailed Specifications →
Extreme wear protection plates for industrial chute liners, maximizing performance in mining and cement plants.
Detailed Specifications →
Runxing machinery