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When your project demands a material that won't buckle under heat, corrosion, or mechanical stress, standard steel and aluminum fall short. Engineers, hobbyists, and fabricators working on aerospace components, medical devices, or marine hardware need a sheet metal that delivers consistent performance across demanding environments — that's exactly where TC4 titanium sheet excels.
This TC4 titanium sheet is cut from Ti-6Al-4V alloy (Grade 5), the most widely used titanium alloy in industrial applications. Each square plate is available in thicknesses ranging from 0.8 mm to 4.0 mm (approximately 0.031″ to 0.157″) and in two flat sizes: 100 × 100 mm (~3.94″ × 3.94″) and 200 × 200 mm (~7.87″ × 7.87″). The surface finish is mill-finished with a characteristic silver-grey tone and consistent flatness across the sheet face.
Typical use cases include custom bracket fabrication for RC aircraft and drones, heat shield blanks for automotive exhaust systems, corrosion-resistant shim stock for marine fittings, and prototype structural panels for lightweight engineering builds. Long-tail applications such as "titanium sheet for knife making blanks" and "Ti-6Al-4V plate for CNC machining" are well served by this versatile format.
| Material | TC4 / Ti-6Al-4V (Grade 5 Titanium Alloy) |
|---|---|
| Alloy Composition | Titanium base, ~6% Aluminum, ~4% Vanadium |
| Sheet Thickness | 0.8 mm / 1.0 mm / 1.2 mm / 1.5 mm / 2.0 mm / 2.5 mm / 3.0 mm / 3.5 mm / 4.0 mm |
| Sheet Size Options | 100 × 100 mm (~3.94″ × 3.94″) | 200 × 200 mm (~7.87″ × 7.87″) |
| Shape | Square flat plate |
| Surface Finish | Mill finish (silver-grey, uncoated) |
| Density | ~4.43 g/cm³ |
| Tensile Strength | ~895–1000 MPa (typical for Ti-6Al-4V annealed) |
| Yield Strength | ~828–910 MPa (typical) |
| Hardness | ~30–36 HRC (typical) |
| Max Service Temperature | ~300–400 °C (572–752 °F) |
| Quantity per Order | 1 Pcs / 2 Pcs / 3 Pcs / 4 Pcs (see variant options) |
| Weight per Piece | See variant options |
For lightweight structural panels, brackets, or shim stock, 0.8–1.5 mm is typically sufficient. For load-bearing parts, heat shields, or components requiring rigidity under stress, 2.0–4.0 mm is recommended. If you are machining or milling the sheet to a final dimension, start with a thickness slightly above your target finished size.
Yes. TC4 is the Chinese national standard designation (GB/T) for the alloy known internationally as Ti-6Al-4V or ASTM Grade 5. All three names refer to the same alpha-beta titanium alloy with approximately 6% aluminum and 4% vanadium. It is the most widely used titanium alloy globally.
Ti-6Al-4V has a tensile strength of approximately 895–1000 MPa, which is comparable to or exceeds many grades of stainless steel (e.g., 304 SS at ~515 MPa, 316L at ~485 MPa). Crucially, titanium achieves this strength at roughly 57% of steel's density, giving it a significantly superior strength-to-weight ratio for weight-sensitive applications.
No. Titanium naturally forms a stable, self-healing titanium dioxide (TiO₂) oxide layer on its surface that provides excellent resistance to saltwater, chlorine, dilute acids, and atmospheric oxidation. It does not require painting, plating, or any additional protective coating for most outdoor and marine applications.
Titanium can be cut with carbide-tipped tools, laser cutters, or waterjet systems. Standard HSS drill bits will work for thin gauges but carbide bits are recommended for thicker sheets and longer tool life. TIG welding with argon shielding gas is the standard method for joining titanium. Avoid using tools contaminated with ferrous metals to prevent surface contamination.
The 100 × 100 mm format is well-suited for small hardware, custom fastener blanks, jewelry components, and knife liners or bolsters. The 200 × 200 mm format provides more material for larger knife blades, structural brackets, or parts that require multiple pieces to be cut from a single sheet. Order multiple pieces (2–4 pcs) for better value when you need repeated cuts.
Ti-6Al-4V is the alloy of choice for aerospace structural components and medical implant prototyping due to its biocompatibility, corrosion resistance, and mechanical performance. These sheets are suitable for prototype and R&D applications. For certified aerospace or medical production use, please verify material certifications with your compliance requirements before ordering.
