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Titanium particles

brief introduction

Titanium particles, also commonly referred to as titanium powder, are fine granules of pure titanium or titanium alloys. They are primarily used in additive manufacturing (3D printing), powder metallurgy, metal injection molding (MIM), and as a coating material due to titanium's excellent strength-to-weight ratio, corrosion resistance, and biocompatibility.
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1.Chemical Composition (Typical)


The composition varies based on grade (e.g., CP Grade 1, 2, 3, 4 or Ti-6Al-4V). Below are examples for pure titanium and the common Ti-6Al-4V alloy.

Component

CP-Ti Grade 1 (ASTM B348)

CP-Ti Grade 2 (ASTM B348)

Ti-6Al-4V (Grade 5, ASTM B348)

Remarks

Titanium (Ti)

Balance

Balance

Balance

Primary Element

Oxygen (O)

≤ 0.18%

≤ 0.25%

≤ 0.20%

Key Interstitial Element, increases strength

Nitrogen (N)

≤ 0.03%

≤ 0.03%

≤ 0.05%

Impurity

Carbon (C)

≤ 0.08%

≤ 0.08%

≤ 0.08%

Impurity

Iron (Fe)

≤ 0.20%

≤ 0.30%

≤ 0.40%

Impurity

Aluminum (Al)

-

-

5.50 - 6.75%

Alloying Element

Vanadium (V)

-

-

3.50 - 4.50%

Alloying Element

Hydrogen (H)

≤ 0.015%

≤ 0.015%

≤ 0.015%

Detrimental Impurity (Embrittlement)


2. Physical Specifications


Parameter

Specification / Description

Material Type

Pure Titanium (CP-1, CP-2, CP-3, CP-4) or Titanium Alloys (Ti-6Al-4V, Ti-6Al-4V ELI, etc.)

Particle Morphology

Spherical: (Typically used for 3D printing, MIM)
Irregular/Spongy: (Typically used for pressing and sintering, as well as welding materials)

Particle Size Distribution (PSD)

D10: ~15-45 μm
D50: ~25-55 μm
D90: ~45-90 μm
*Custom PSDs are available. Common ranges include 0-45μm, 15-45μm, 45-105μm.*

Apparent Density

2.2 - 2.8 g/cm³ (Varies with morphology and PSD)

Tap Density

2.5 - 3.2 g/cm³ (Varies with morphology and PSD)

Flow Rate (Hall Flowmeter)

≤ 50 s/50g (For spherical powders; irregular powders may not be free-flowing)


3. Key Characteristics & Applications


  • Characteristics:

    • High Purity: Low interstitial element content.

    • Excellent Biocompatibility: Ideal for medical and dental implants.

    • High Strength-to-Weight Ratio: Critical for aerospace and automotive parts.

    • Good Flowability (Spherical): Essential for consistent layer spreading in additive manufacturing.

  • Applications:

    • Additive manufacturing (3D printing): SLM (Selective Laser Melting), EBM (Electron Beam Melting) technologies.

    • Metal Injection Molding (MIM): Used for manufacturing small and complex parts.

    • Powder metallurgy (PM): Producing near-net-shape parts through pressing and sintering.

    • Thermal spraying: used for anti-corrosion coatings.

    • Welding rod and welding wire manufacturing: As an additive for alloy elements


4. Packaging & Storage


  • Packaging: Sealed in vacuum bags or steel cans under argon atmosphere to prevent oxidation and moisture absorption. Common sizes: 5kg, 10kg, 20kg per container.

  • Storage: Must be stored in a cool, dry place away from sources of ignition and moisture. Opened packages should be handled in a controlled atmosphere (e.g., glove box) or re-sealed promptly.


5. Health & Safety


  • Flammability: WARNING: Fine titanium particles are COMBUSTIBLE and can form explosive dust-air mixtures. Must be handled away from ignition sources.

  • Dust Inhalation: Avoid breathing dust. Use local exhaust ventilation and respiratory protection.

  • General Handling: Wear protective gloves, safety glasses, and anti-static clothing.

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