What is Chromium (Cr) Micron Powder?

Chromium (Cr) micron powder is a fine metallic powder known for its excellent hardness, corrosion resistance, and high-temperature stability. It is widely used in metallurgy, coatings, electronics, and additive manufacturing due to its unique physical and chemical properties.

Chemical Properties and CAS Number

• Chemical Formula: Cr
• CAS Number: 7440-47-3
• Appearance: Gray or silvery fine powder
• Density: Approximately 7.19 g/cm³
• Melting Point: 1,907°C
• Thermal Conductivity: High (~93.9 W/m·K)
• Chemical Stability: Highly resistant to oxidation and corrosion under standard conditions

Applications of Chromium Micron Powder

1. Metallurgy and Alloy Manufacturing

Used as an alloying element in stainless steel, superalloys, and high-strength materials to enhance corrosion resistance and durability.

2. Coatings and Surface Treatments

Applied in hard chrome plating, thermal spray coatings, and wear-resistant coatings to improve surface hardness and longevity.

3. Electronics and Semiconductor Industry

Utilized in thin films, electronic components, and semiconductor fabrication for its conductivity and oxidation resistance.

4. Aerospace and Automotive Applications

Employed in high-performance aerospace parts, turbine blades, and automotive components to improve heat and corrosion resistance.

5. Additive Manufacturing and 3D Printing

Used in powder-based 3D printing and sintering processes to produce precision-engineered metal components.

6. Catalysts and Chemical Applications

Acts as a catalyst in various chemical reactions, including refining processes and petrochemical industries.

Pricing of Chromium Micron Powder

Prices vary based on purity, particle size, processing method, and market demand:

• Industrial Grade: Typically ranges from $50 – $200 per kilogram
• High-Purity/Specialized Grade: Prices range from $300 – $1,000 per kilogram, used in aerospace, electronics, and advanced coatings.

Factors Influencing Chromium Powder Prices

• Purity level and particle size distribution
• Industry-specific requirements and certifications
• Processing complexity and production costs
• Bulk order volume and market fluctuations

Conclusion

Chromium (Cr) micron powder is an essential material in metallurgy, coatings, aerospace, and electronics due to its exceptional hardness, corrosion resistance, and thermal stability. Its widespread applications make it highly valuable for industrial and technological advancements. Pricing depends on purity, particle size, and intended use.