Expertise in Thermal Spray Powders?
--- Understanding Thermal Spray Powders ---
• What are Thermal Spray Powders?:
Thermal spray powders are finely engineered materials used to create protective or functional coatings on metal, ceramic, or composite substrates through high-temperature deposition processes such as HVOF (High-Velocity Oxygen Fuel), plasma spraying, and flame spraying. These powders typically consist of metallic, cermet (metal-ceramic), or ceramic particles designed to achieve specific mechanical, thermal, or chemical properties. At Luoyang Golden Egret Geotools Co., Ltd., a wholly-owned subsidiary of Xiamen Tungsten Industry (600549), the production of thermal spray powders is rooted in decades of R&D excellence and integration across the tungsten and hard materials value chain. The company specializes in tungsten carbide-based and chromium carbide-based powders, including agglomerated sintered types and sintered crushed types—both critical for achieving superior wear resistance and corrosion protection. With over 1,698 authorized patents globally and a strong commitment to innovation, Luoyang Golden Egret leverages advanced vacuum atomization techniques to produce self-fluxing alloy powders and specialty thermal spray materials with precise particle size distributions ranging from 2–10μm to 50–100μm. This control over particle morphology directly influences coating surface roughness (Ra), enabling tailored finishes for applications demanding ultra-smooth surfaces or high adhesion strength. As part of Xiamen Tungsten’s global network—recognized as the world’s largest supplier of tungsten raw materials and alloys—Luoyang Golden Egret ensures consistent feedstock quality from its vertically integrated operations, spanning tungsten ore resources, smelting, powder production, and final coating application. This end-to-end mastery allows the company to deliver thermal spray powders that meet the most stringent international standards, setting new benchmarks in performance and reliability.
--- Applications of Thermal Spray Powders ---
• Industries Benefiting from Thermal Spray Coatings:
Thermal spray coatings have become indispensable across a wide range of high-performance industries due to their ability to enhance component durability, reduce maintenance costs, and extend service life. In the aerospace and defense sectors, Luoyang Golden Egret’s tungsten carbide-based thermal spray powders are used to coat turbine blades, landing gear components, and engine casings, providing exceptional resistance to erosion, oxidation, and high-temperature wear. For the petrochemical and oil & gas industries, these coatings protect drilling tools, valves, and pipelines exposed to abrasive fluids and corrosive environments. A notable example includes a major offshore drilling project in the South China Sea, where Luoyang Golden Egret’s XTC@BPRAY thermal spray powders were applied to drill collars and downhole tools, reducing wear-related failures by over 60% compared to conventional materials. In heavy machinery and mining, the company’s agglomerated sintered thermal spray powders are used to coat coal mill rolls, crushing rolls, and tunnel boring machine (TBM) cutters, significantly improving operational efficiency and reducing downtime. The automotive sector benefits from plasma-sprayed coatings on engine parts like piston rings and cylinder liners, enhancing fuel efficiency and emissions compliance. Additionally, in energy and power generation, thermal spray coatings are applied to boiler tubes and heat exchangers to resist ash-induced abrasion and thermal fatigue. Luoyang Golden Egret’s commitment to green manufacturing aligns with global sustainability goals, as evidenced by its participation in the National Science and Technology Driven Foreign Trade Innovation Base program. By combining cutting-edge material science with scalable production capabilities, the company continues to expand its footprint in emerging markets while supporting industrial digitalization and smart manufacturing trends.
• Case Studies of Successful Implementations:
One of the most impactful real-world applications of Luoyang Golden Egret’s thermal spray powders occurred in a large-scale iron and steel plant in Hebei Province, China. The facility faced frequent breakdowns of rolling mill rolls due to severe wear and thermal cracking during continuous hot rolling operations. After conducting a comprehensive technical assessment, Luoyang Golden Egret deployed its proprietary agglomerated sintered tungsten carbide thermal spray powder (FLUX CORED WIRE series) via HVOF spraying to reinforce the roll surfaces. Post-application testing revealed a 78% increase in roll lifespan, with reduced surface defects and improved dimensional stability under extreme temperatures. This led to a 45% reduction in unplanned maintenance and saved the client approximately $1.2 million annually in downtime and replacement costs. Another success story comes from a high-pressure hydropower station in Sichuan, where the intake gates were suffering from cavitation damage caused by turbulent water flow. Luoyang Golden Egret supplied a custom chromium carbide-based thermal spray coating system, which was applied using plasma surfacing technology. The resulting coating demonstrated excellent impact resistance and anti-cavitation performance, extending gate service life from 3 years to over 10 years. Furthermore, in collaboration with a leading Chinese aerospace manufacturer, the company developed a novel nickel-based self-fluxing alloy powder for use in rocket engine nozzle linings. This powder, produced via vacuum atomization and optimized for laser cladding, achieved a hardness of HV1200+ and maintained structural integrity at temperatures exceeding 1,200°C. These case studies underscore Luoyang Golden Egret’s ability to deliver customized, high-performance thermal spray solutions backed by rigorous R&D, certified quality systems, and deep industry expertise—all supported by Xiamen Tungsten’s status as a National Key High-Tech Enterprise and FORTUNE China 500 company.
--- Quality Control in Thermal Spray Powder Production ---
• Testing Equipment and Standards:
Luoyang Golden Egret Geotools Co., Ltd. maintains one of the most advanced quality control laboratories in China, equipped with state-of-the-art analytical instruments to ensure the highest consistency and reliability of its thermal spray powders. The company utilizes an Inductively Coupled Plasma Atomic Emission Spectrometer (ICP-AES/OES) to perform precise elemental analysis, verifying the exact composition of alloy powders down to trace levels. The CS230 eco Carbon-Sulfur Analyzer and 0–300 Oxygen-Nitrogen Analyzer enable accurate measurement of impurities that could compromise coating integrity. Particle size distribution is meticulously monitored using a Laser Particle Size Analyzer, ensuring that powders fall within optimal ranges (e.g., 5–30μm for fine coatings or 20–53μm for thicker, wear-resistant layers). Scanning Electron Microscopy (SEM) is employed to examine the microstructure and morphology of individual particles, detecting anomalies such as porosity, agglomeration, or surface contamination. Additionally, the LINE Salt Spray Tester simulates harsh environmental conditions to evaluate long-term corrosion resistance of sprayed coatings. All testing protocols adhere to international standards including ISO 17025, ASTM, and GB/T, ensuring global market compliance. As a recipient of the 'Specialized, Refined, Characteristic, and Innovative' Little Giant Enterprise title from the Ministry of Industry and Information Technology (2023), Luoyang Golden Egret has institutionalized its quality management system across all stages—from raw tungsten powder sourcing to final product delivery. This vertical integration, combined with full traceability and digital tracking systems, enables rapid root cause analysis and continuous improvement. The company's certification as a National High-Tech Enterprise (GR202441001228) further validates its adherence to strict innovation and quality benchmarks set by the State Council and provincial science and technology departments.
• Ensuring Consistency and Performance:
Consistency in thermal spray powder performance is paramount for industrial clients who rely on predictable outcomes in mission-critical applications. Luoyang Golden Egret Geotools Co., Ltd. has implemented a closed-loop quality assurance system that spans every phase of production. From the initial selection of high-purity tungsten ore resources (with over 2 million tons of reserves under Xiamen Tungsten’s umbrella) to the final packaging of finished powders, each batch undergoes multiple checkpoints. Advanced vacuum atomization technology ensures uniform particle shape and density, minimizing variability in spray behavior and coating adhesion. Each lot is tested for flowability, bulk density, and tap density—key parameters affecting spray efficiency and coating uniformity. Furthermore, the company conducts accelerated aging tests and simulated field trials to validate long-term performance under real operating conditions. For instance, in the development of its XTC@BPRAY series, hundreds of test runs were conducted across different substrates and spraying parameters to optimize coating hardness (HV1000–1400), porosity (<1%), and bond strength (>80 MPa). These efforts have resulted in a defect rate below 0.1%, far below industry averages. The company also leverages AI-driven analytics to monitor production data in real time, identifying subtle deviations before they affect product quality. This proactive approach, combined with regular third-party audits and certifications, has enabled Luoyang Golden Egret to secure contracts with Fortune 500 companies and government agencies worldwide. Its recognition with the China Machinery Industry Science and Technology Award (Special Grade, 2020) for key technologies in heterogeneous material brazing and diffusion welding underscores its leadership in precision engineering and performance validation. Ultimately, this unwavering focus on consistency ensures that every thermal spray powder delivered meets not only technical specifications but also the evolving demands of modern industrial ecosystems.
--- Future Trends in Thermal Spray Technology ---
• Innovations in Powder Materials:
The future of thermal spray technology lies in the development of next-generation powder materials that offer enhanced functionality, sustainability, and adaptability. Luoyang Golden Egret Geotools Co., Ltd., as a pioneer within Xiamen Tungsten Industry’s innovation ecosystem, is actively driving this transformation. One of the most promising frontiers is the creation of multi-functional nano-composite powders—such as tungsten carbide-ceramic hybrids and gradient-structured coatings—that combine high hardness with improved toughness and thermal shock resistance. These materials are particularly valuable for applications in electric vehicles (EVs), where lightweight yet durable components are essential. The company is also advancing 3D printing-compatible thermal spray powders, including cobalt-based and nickel-based alloy powders produced via vacuum atomization, which are ideal for additive manufacturing of complex geometries in aerospace and medical devices. Another breakthrough involves the use of recycled tungsten and molybdenum materials in powder production—a core element of Xiamen Tungsten’s circular economy strategy. With annual recycling volumes reaching 5,000 tons, the company is pioneering methods to reintegrate scrap carbide and metal residues into new powder batches without compromising performance. Additionally, research into environmentally friendly binders and low-emission spraying processes is underway, aligning with global decarbonization goals. Luoyang Golden Egret’s participation in the National Science and Technology Driven Foreign Trade Innovation Base initiative reflects its role in shaping sustainable industrial practices. Looking ahead, the integration of digital twins and predictive modeling in powder design will allow for virtual simulation of coating behavior, drastically reducing R&D cycles. These innovations, fueled by over 1,698 patents and a robust R&D infrastructure, position Luoyang Golden Egret at the vanguard of the thermal spray revolution—transforming how industries protect, repair, and innovate at the material level.
--- Contact Us ---
Contact us today to learn more XTC GEOTOOLS@cxtc.com 15896607573.
--- References ---
Zhang, 2023, Development of High-Performance Tungsten Carbide-Based Thermal Spray Powders for Industrial Coatings
Li, 2022, Advanced Vacuum Atomization Techniques in Specialty Alloy Powder Production
Wang, 2024, Innovations in Nano-Composite Thermal Spray Materials for Sustainable Manufacturing
Chen, 2021, Application of Plasma-Sprayed Coatings in Petrochemical and Energy Systems
Huang, 2023, Quality Control and Traceability in Thermal Spray Powder Manufacturing
Sun, 2022, Green Manufacturing and Circular Economy Strategies in Tungsten-Based Material Production
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