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Chromium Powder

Material: Chromium, CAS # 7440-47-3

Purity: Cr 99.8%~99.95%

Density: 7.18 g/cc

Temperatures: 1,857°C M.P., 2,672°C M.P.

Size: -325 mesh, 1μ-5μ, or Customized

TFM provides a comprehensive range of Chromium Powder, ensuring exceptional quality across various purities and particle sizes. Our offerings include nanoscale powders, spherical powders, and Chromium alloy powders, tailored to meet a wide range of industrial applications.

Introduction

Chromium Powder is a high-performance metallic material widely used in surface engineering, advanced manufacturing, and materials research. Known for its excellent hardness, corrosion resistance, and thermal stability, chromium powder plays a critical role in protective coatings, alloy production, and functional material development across industrial and scientific applications.

Detailed Description

Chromium powder is produced from refined chromium metal using controlled crushing, milling, and classification processes to achieve consistent particle size distribution and high chemical purity. Careful control of oxygen and impurity levels ensures stable performance in demanding environments such as high-temperature processing and vacuum-based applications.

Compared with bulk chromium or chromium alloys, chromium powder offers:

  • High surface area, improving reactivity and sintering efficiency

  • Excellent hardness and wear resistance, beneficial for protective layers

  • Strong oxidation and corrosion resistance, especially at elevated temperatures

Particle size, morphology, and purity can be tailored to meet specific requirements, whether for thermal spraying, powder metallurgy, or research-scale experimentation.

Applications

Chromium powder is commonly used in:

  • Thermal spray and hard protective coatings

  • Powder metallurgy and sintered components

  • Alloying additions for specialty steels and superalloys

  • Vacuum coating and surface modification research

  • Chemical and materials science R&D

Technical Parameters

ParameterTypical Value / RangeImportance
MaterialChromium (Cr)Provides hardness and corrosion resistance
Purity99.5% – 99.99%Reduces impurities affecting performance
Particle SizeMicron to sub-micron (custom)Influences coating and sintering behavior
MorphologyIrregular / CustomAffects flowability and packing density
Melting Point~1907 °CSuitable for high-temperature applications

Comparison with Related Metal Powders

MaterialKey AdvantageTypical Application
Chromium PowderHardness, oxidation resistanceProtective coatings
Nickel PowderGood ductilityStructural coatings
Cobalt PowderHigh-temperature strengthWear-resistant alloys
Aluminum PowderLightweight, reactiveEnergetic & alloy applications

FAQ

QuestionAnswer
Can particle size be customized?Yes, chromium powder can be supplied in tailored size ranges.
Is chromium powder suitable for thermal spraying?Yes, it is widely used in thermal spray and coating processes.
How is the powder packaged?Vacuum-sealed or inert-gas packed containers are available.
Is this material suitable for research use?Yes, chromium powder is commonly used in laboratory and industrial R&D.

Packaging

Our Chromium Powder is carefully labeled and sealed to ensure clear identification and strict quality control. The powder is packed in moisture-resistant, contamination-safe containers to prevent oxidation and maintain material integrity during storage and transportation.

Conclusion

Chromium Powder delivers reliable performance for protective coatings, alloying, and advanced materials research. With controlled purity, customizable particle sizes, and consistent quality, it meets the requirements of both industrial users and research laboratories.
For detailed specifications and a quotation, please contact us at sales@thinfilmmaterials.com.

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FAQ

  • Metal powders are fine particles of metals produced through various processes such as atomization, reduction, or electrolysis. They are used in applications like additive manufacturing, powder metallurgy, and coatings.

  • Alloy powders consist of two or more metallic elements combined to enhance properties like strength, corrosion resistance, and ductility, whereas pure metal powders contain only a single element.

  • The shape affects flowability, packing density, and spreadability. Spherical particles are preferred in additive manufacturing due to their superior flow characteristics.

  • Spherical powders are typically produced using gas atomization, where molten metal is atomized into fine droplets that solidify into spherical shapes.

  • Spherical powders offer better flowability and packing density, leading to improved layer uniformity and mechanical properties in 3D-printed components.

  • Factors include particle size distribution, shape, chemical composition, purity, and production method.

  • Yes, metal powders can pose hazards such as toxicity, reactivity, combustibility, and instability. Proper handling, storage, and safety protocols are essential.

  • In powder metallurgy, metal powders are compacted and sintered to produce components with complex shapes and tailored properties, often with minimal waste.

  • Yes, unused or excess metal powders from manufacturing processes can often be collected, sieved, and reused, provided they meet quality standards.

  • The combination of different metals in alloy powders can enhance properties such as strength, hardness, corrosion resistance, and thermal stability, depending on the application requirements.

  • Spherical alloy powders are used in aerospace, automotive, medical implants, and tooling industries for manufacturing high-performance components via additive manufacturing and powder metallurgy.

Production methods like gas atomization, water atomization, and mechanical milling influence particle size, shape, and purity, which in turn affect the performance of the powders in various applications.

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