Overview
Titanium powder is a high-performance metallic material produced through processes like hydride-dehydride (HDH), plasma atomization, or gas atomization. With exceptional strength-to-weight ratio and corrosion resistance, it serves critical roles in advanced industries. As a key material for additive manufacturing (AM), titanium powder enables complex geometries unachievable with traditional methods. Its biocompatibility makes it indispensable for orthopedic and dental implants, where osseointegration is required.
Physical and Chemical Properties
Commercially pure (CP) titanium powder typically has 99.5%+ purity, while aerospace-grade Ti-6Al-4V alloy powder contains aluminum and vanadium. Particle sizes range from 15-150μm for selective laser melting (SLM) applications. The powder's flowability and apparent density (2.2-2.8 g/cm³) directly impact 3D printing performance. Spherical morphology from gas atomization improves layer uniformity during AM processes compared to angular HDH powder.
Main Applications
In aerospace, titanium powder manufactures lightweight structural components for aircraft (e.g., Boeing 787 brackets) and spacecraft. The medical sector uses it for porous implants that promote bone growth. Emerging applications include automotive lightweighting and consumer electronics. Grade 23 (Ti-6Al-4V ELI) powder meets ASTM F3001 standards for surgical implants, while Grade 5 powder dominates industrial AM applications.
Safety and Storage
Titanium powder poses fire/explosion risks when dispersed as dust (minimum explosible concentration ~45 g/m³). NFPA 484-compliant storage requires inert atmosphere containers and conductive flooring. Handling requires ATEX-certified equipment and grounding straps. Unopened containers should be stored below 40°C with <30% humidity. Moisture exposure can lead to hydrogen absorption and embrittlement.
B2B Procurement Guide
Industrial buyers should specify: 1) Powder characteristics (PSD D10/D50/D90 values, Hall flow rate) 2) Chemical composition (O/N/C/Fe content) 3) Certifications (AMS 4999, ASTM B348) 4) Lot traceability. Lead times for specialty alloys may exceed 12 weeks. Consider supplier capabilities for custom alloys (e.g., Ti-5553) and post-processing like sieving. Bulk orders (500kg+) often qualify for 8-15% discounts.
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