About Us
A new material enterprise focusing on new product development, large-scale production, metal powders sales and application terminal support of gas atomization powder manufacturing process technology.
Spraying
Spray Coating of Metal Powders – Professional Custom Manufacturer
Our core technical team is drawn from the Institute of Powder Metallurgy at Central South University. We specialize in spray powders for 316L/304L stainless steel and nickel-based, cobalt-based, and iron-based alloys, featuring a sphericity of ≥98%, excellent flowability, and high tapped density. These powders are compatible with supersonic, plasma, and flame spraying processes, with a monthly supply capacity of 300 metric tons. Customization of particle size and composition is available, along with free sample trials!
Consult now, free sampleAbout Tianjiu Spray Powder
Changsha TIJO Metals has been deeply engaged in the field of spray-deposited metal powders for more than a decade, employing core technologies such as medium-frequency induction melting and inert-gas atomization to rigorously control powder sphericity, flowability, and particle-size distribution. Its products are compatible with a wide range of spray-deposition processes and are extensively used in industries such as machinery, metallurgy, petrochemicals, and aerospace.
Core Competence in Powder Spraying
The company’s core technical team is drawn from the Powder Metallurgy Research Institute of Central South University and has been deeply engaged in the R&D and production of spray-coating powders for many years, employing Inert Gas Atomization + Classifying Screening Our core process rigorously controls critical parameters such as powder sphericity, oxygen content, and flowability, ensuring that our products fully meet the requirements of various spraying processes, including supersonic, plasma, and flame spraying.
- Over 10 years of R&D and production experience in spray powders.
- Three aerosolization production lines, with a monthly supply of 300 tons of spray-painting powder.
- Sphericity ≥ 98%, flowability ≤ 25 s/50 g
- Supports granularity/component customization and provides rapid response within 48 hours.
- Free sample testing to help customers optimize their spray coating processes.
Core Product Line of Spray-Painted Powders
We offer a comprehensive portfolio of mainstream spray-forming powders, including stainless steel, nickel-based, cobalt-based, and iron-based grades, characterized by controllable particle size, high sphericity, and excellent flowability. Customized alloy grades and particle-size specifications can be tailored to meet specific customer coating processes.
316L Stainless Steel Spray Powder
Austenitic stainless steel spray powder with excellent corrosion resistance and high bond strength, ideal for anti-corrosion and wear-resistant coatings in industries such as chemical processing and offshore engineering.
Particle size 15–53 μm Sphericity ≥ 98% Oxygen content ≤ 0.08 wt%Ni60 nickel-based alloy spray powder
Nickel-chromium-boron-silicon alloy powder, characterized by high hardness and excellent wear resistance, is suitable for wear-resistant reinforcement spraying of shafts, molds, valves, and other components.
Particle size: 20–75 μm Hardness HRC ≥ 60 Flowability ≤ 22 s/50 gWC-Co cemented carbide spray powder
Tungsten carbide–cobalt composite powder: ultra-high hardness, excellent wear and impact resistance; ideal for thermal spraying of heavy-duty components in mining and construction machinery.
Particle size: 10–45 μm Hardness HRA ≥ 88 Bond strength ≥ 50 MPaFe55 iron-based alloy spray powder
Iron-chromium-nickel alloy powder: high cost-effectiveness, excellent formability, and ideal for anti-corrosion and wear-resistant coatings on general-purpose mechanical components.
Particle size 15–75 μm Oxygen content ≤ 0.10 wt% Tap density ≥ 4.2 g/cm³Core Technical Specifications for Spray Powder
Comprehensive particle-size coverage, with stringent control over key parameters such as sphericity, flowability, and oxygen content; all specifications can be customized and optimized to match the customer’s spray-coating process.
| Product grade | Common particle size (μm) | Sphericity (%) | Flowability (s/50g) | Loose bulk density (g/cm³) | Oxygen content (wt%) |
|---|---|---|---|---|---|
| 316L stainless steel | 15-53/20-75 | ≥98 | ≤25 | 4.5–4.8 | ≤0.08 |
| Ni60 nickel-based alloy | 20-75/45-150 | ≥97 | ≤22 | 4.8–5.2 | ≤0.10 |
| WC-Co cemented carbide | 10-45/15-53 | ≥95 | ≤28 | 5.0–5.5 | ≤0.12 |
| Fe55 iron-based alloy | 15-75/20-100 | ≥96 | ≤26 | 4.2–4.6 | ≤0.10 |
Compatible with mainstream spraying processes
TIJO spray powders are optimized for specific process characteristics to ensure high coating adhesion, excellent density, and stable performance.
Supersonic Flame Spraying
Suitable for fine-grained powders, the coating exhibits high density and low porosity, with outstanding wear and corrosion resistance, making it ideal for the surface strengthening of high-precision components.
Plasma spraying
Suitable for medium-to-coarse particle-size powders, with high coating adhesion; capable of spraying high-melting-point materials; ideal for components operating under high-temperature and wear-resistant conditions.
Flame Spraying
Suitable for coarse-grained powders, offering high cost-effectiveness and flexible application, it is ideal for anti-corrosion and wear-resistant coating of general mechanical components.
Cold Spraying
Suitable for ultra-fine powders, the coating exhibits no oxidation and high density, making it ideal for spraying precision components that are sensitive to oxidation.
Application Fields of Spray-Powder Coating
Owing to their excellent sphericity, flowability, and spray performance, TIJO spray powders are widely used for corrosion protection, wear resistance, and high-temperature strengthening of components across various industries.
Construction machinery
Wear- and corrosion-resistant coatings for excavator bucket teeth, loader buckets, crusher liners, hydraulic cylinders, and more.
Petrochemical
Anti-corrosion and wear-resistant coatings for pipelines, valves, pump casings, reactor inner walls, and other components, suitable for acidic/alkaline and high-temperature service conditions.
Metallurgical Power
High-temperature and wear-resistant coatings for rolls, guide guards, boiler pipes, fan blades, and other components.
Aerospace
High-temperature, wear-resistant, and corrosion-resistant coatings for engine blades, landing gear, aerospace structural components, and more.
Automobile manufacturing
Wear-resistant and hardfacing coatings for crankshafts, camshafts, piston rings, dies, and other components
Marine Engineering
Anti-corrosion and anti-fouling coatings for hulls, propellers, offshore platform steel structures, and more.
Core Advantages of Choosing Tianjiu Spray Powder
We provide customers with cost-effective, end-to-end spray-coating metal powder solutions across multiple dimensions, including technology, production capacity, quality, and service.
University-affiliated technical team with leading-edge processes.
The core technology team is from the Institute of Powder Metallurgy at Central South University and possesses proprietary gas atomization powder-production technology, resulting in powders with high sphericity and excellent flowability, making them compatible with a wide range of spray-coating processes.
Scaled-up production with ample capacity
Three aerosolization production lines operate on a two-shift schedule, delivering 300 metric tons of spray-paint powder per month with high batch-to-batch consistency, ensuring seamless fulfillment of large orders.
End-to-end quality control for consistent quality.
Raw material incoming inspection, production process control, and comprehensive outgoing inspection of finished products ensure strict control over sphericity, flowability, and oxygen content, with quality meeting industry standards.
Customized services, made-to-order production
We offer customized formulations, particle size, and packaging, optimize powder performance based on customers’ spray application parameters, and provide tailored solutions.
Rapid sampling, technical support
48-hour free sample trials, with full support from a team of technical experts to help customers optimize spray-coating process parameters and reduce trial-and-error costs.
High cost-performance ratio, comprehensive after-sales service
Self-production and direct sales eliminate intermediaries, delivering a clear price advantage; 24/7 after-sales support ensures timely resolution of customers’ production issues.
Consult now to receive free spray-powder samples.
Fill out the inquiry form or call us directly, and we’ll contact you within 24 hours to tailor a customized powder coating solution just for you.
Recommend products
1. Ultra-high purity: Silver content ≥99.95%, total impurities ≤500 ppm 2. Spherical morphology: sphericity >95%, good fluidity, suitable for screen printing, spraying and other processes 3. High conductivity/thermal conductivity: volume resistivity ≤1.6 μΩ·cm, thermal conductivity ≥420 W/(m·K) 4. Controllable particle size: standard particle size 0.1-20μm (customizable), low specific surface area, high sintering activity 5. Oxidation resistance: surface coated with anti-oxidation layer (optional), extending storage and processing stability
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Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
