Pure Titanium Wire TA2-TA4 Ti Metal Wire Dia. 0.2mm - 3mm Round Solid Uncoated

TA2 is commercially pure titanium Grade 2 — the most widely used grade, offering a good balance of formability, weldability, and corrosion resistance. It is the right choice for jewelry making, wire-wrapping, laboratory fixtures, and general fabrication. TA4 is commercially pure Grade 4, which has a higher minimum tensile strength (≥ 550 MPa vs. ≥ 345 MPa for TA2), making it better suited to structural or load-bearing applications where higher mechanical performance is needed. If you are unsure, TA2 covers the majority of DIY and light industrial uses.

Diameter selection depends on the load the wire must carry, the bend radius required, and the aesthetic or fit constraints of your application. For fine jewelry wire-wrapping, diameters of Ø0.2mm–Ø0.5mm are typical. For structural tie wire or resistance heating elements, Ø1mm–Ø3mm is more common. For heavier structural uses, Ø4mm–Ø6mm (TA2 only) provides greater cross-sectional area. When in doubt, calculate the required tensile load and divide by the wire's cross-sectional area to estimate working stress, then apply an appropriate safety factor.

Yes. Commercially pure titanium (both TA2 and TA4) is widely used in jewelry and body jewelry because it is hypoallergenic, does not contain nickel, and is resistant to body fluids and sweat. The uncoated surface can be anodized to produce a range of colors without dyes or coatings. For body jewelry intended for initial piercings, verify that the wire meets the implant-grade standards applicable in your region (e.g., ASTM F67 or equivalent).

Titanium wire can be welded using TIG (GTAW) welding with an argon shielding gas to prevent oxidation. It cannot be soldered with conventional tin-lead or silver solders because titanium does not wet with standard fluxes. Specialized titanium brazing alloys exist but require controlled-atmosphere or vacuum furnace conditions. For most DIY joining applications, mechanical fastening, crimping, or TIG welding are the practical options.

No surface treatment is required for most applications. The wire is supplied uncoated with a natural oxide layer that provides corrosion protection. If you intend to weld the wire, clean the surface with acetone or isopropyl alcohol immediately before welding to remove any oils or contaminants. If you want to anodize the wire for color, the bare surface is ready to anodize directly without additional preparation beyond cleaning.

Titanium offers superior corrosion resistance compared to most grades of stainless steel, particularly in chloride-rich environments such as seawater, swimming pools, and coastal industrial settings where stainless steel can suffer pitting or crevice corrosion. Titanium is also approximately 45% lighter than steel at comparable cross-section. The trade-off is cost — titanium wire is more expensive per meter than stainless steel wire of the same diameter. For applications where long-term corrosion resistance and weight savings justify the cost, titanium is the more durable choice.

For initial prototyping or testing, the 1m or 2m options allow you to validate diameter, grade, and formability before committing to a larger quantity. The 5m and 10m lengths offer a lower per-meter cost and are practical for ongoing workshop stock or small-batch production runs. All lengths are cut from the same wire stock, so the material properties are identical regardless of the length selected.