| Category | Parameter | Specification | Unit |
|---|---|---|---|
| Chemical Composition | Ti | Balance | wt.% |
| Al | 5.5 – 6.75 | wt.% | |
| V | 3.5 – 4.5 | wt.% | |
| C | ≤ 0.08 | wt.% | |
| Fe | ≤ 0.3 | wt.% | |
| O | ≤ 0.12 | wt.% | |
| N | ≤ 0.03 | wt.% | |
| H | ≤ 0.015 | wt.% | |
| Physical Properties | Particle Size Distribution | D₁₀ ≥ 15, D₅₀ = 30–40, D₉₀ ≤ 63 | μm |
| Sphericity | ≥ 0.9 | — | |
| Apparent Density | ≥ 2.4 | g/cm³ | |
| Tap Density | ≥ 2.8 | g/cm³ | |
| Flowability | ≤ 35 | s/50g | |
| Mechanical Properties (as-built or annealed) | Test Temperature | Room Temp. | — |
| Tensile Strength (UTS) | ≥ 950 | MPa | |
| Yield Strength (0.2% offset) | ≥ 900 | MPa | |
| Elongation at Break | ≥ 10.0 | % |
> Please note: Specifications are subject to change without notice. Contact a Forgecise representative for the most current technical data.
2. Advantages vs. International Standards
This TC4 Ti-6Al-4V titanium alloy powder fully complies with GB/T 3620.1 (China) and ASTM Grade 5 / ISO 5832-3 (Medical-grade Ti-6Al-4V), while exceeding key specifications:
- ✅ Ultra-low oxygen content (O ≤ 0.12%) — well below the standard limit of 0.20%, minimizing embrittlement risk;
- ✅ High sphericity (≥0.9) & excellent flowability (≤35 s/50g) — ensures uniform powder recoating and stable melt pool dynamics in SLM/EBM;
- ✅ High apparent density (≥2.4 g/cm³) and tap density (≥2.8 g/cm³) — approaching theoretical maximum (~3.0 g/cm³), enabling >99.5% relative density in printed parts;
- ✅ Outstanding mechanical properties: UTS ≥950 MPa, YS ≥900 MPa (vs. typical annealed values of ~895/825 MPa), indicating superior microstructure integrity and low defect density;
- ✅ Optimized particle size distribution (D50 = 30–40 μm) — specifically engineered for industrial LPBF systems, balancing spreadability and laser absorption.
This powder is ideal not only for structural components but also for high-reliability medical implants and aerospace critical parts, where performance consistency is great.
3. Key Differences: Chinese vs. U.S. Standards
| Parameter | Chinese Standard (GB/T 3620.1 – TC4) | U.S. Standard (ASTM F3001 / UNS R56400) |
|---|---|---|
| Al Content | 5.5–6.8% | 5.5–6.75% |
| V Content | 3.5–4.5% | 3.5–4.5% |
| Fe Max | ≤0.30% | ≤0.40% |
| C Max | ≤0.10% | ≤0.08% |
| O Max | ≤0.20% | ≤0.20% |
| H Max | ≤0.015% | ≤0.015% |
| Medical Use Requirement | No dedicated grade (requires separate certification) | ASTM F136/F3001 explicitly defines implant-grade requirements, with stricter controls on H, O, and inclusions |
4. Application Fields of TC4 Titanium Alloy (Consolidated Paragraph)
TC4 (Ti-6Al-4V), the world’s most widely used α+β titanium alloy, dominates high-performance industries thanks to its exceptional strength-to-weight ratio, corrosion resistance, biocompatibility, and processability. In aerospace, Ti6Al4V is employed in landing gear, compressor blades, and airframe fittings; in medical devices, it forms the backbone of permanent implants including hip/knee joints, dental implants, and trauma fixation systems; in energy & chemical processing, it enables durable heat exchangers, reactors, and deep-sea pipelines; and in consumer premium sectors, it powers lightweight golf club heads, bicycle frames, and automotive performance components. With additive manufacturing, TC4 unlocks unprecedented design freedom—enabling topology-optimized, biomimetic, and multifunctional integrated structures that were previously impossible to manufacture.
5. Forgecise Custom Titanium Powder Service Summary
Forgecise specializes in delivering high-purity, high-consistency, and fully customizable titanium & titanium alloy powders for global additive manufacturing. Beyond standard grades (e.g., TC4/Grade 5, TA1/Grade 1, TC11, Ti-6Al-7Nb), we offer tailored solutions: composition fine-tuning, particle size customization, and pre-treatments (coating, annealing). Every batch is manufactured under ISO 9001 quality management, accompanied by full certification reports, Hall flow tests, and mechanical data from AM-printed test specimens. Choose Forgecise for a reliable, agile, and future-ready partner in metal 3D printing raw materials.
