Titanium Foil in Modern Industry
Titanium foil represents a precision-engineered product within the modern industrial materials landscape. It is generally defined as titanium sheet, strip, roll, or plate with a thickness not exceeding 0.1 mm. Given such extremely low thickness values, quality control often relies on areal weight (e.g., grams per square meter or ounces per square foot) as an indirect metric for thickness consistency: higher areal weight indicates greater material thickness.
The growing adoption of titanium foil stems from its exceptional combination of physical and mechanical properties. It retains the inherent advantages of metallic titanium, including a relatively low density of approximately 4.51 g/cm³ and a tensile strength ranging from 380 to 450 MPa, resulting in an outstanding specific strength. Its corrosion resistance is particularly notable, with very low annual corrosion rates even when exposed to aggressive seawater environments. Furthermore, titanium foil maintains structural stability across temperatures from 450°C to 500°C, demonstrating good thermal stability.
Achieving these property levels requires highly controlled manufacturing. Production typically employs 20-high precision cold rolling mills, paired with highly polished work rolls and specific lubrication conditions. This setup ensures microstructural uniformity and defect-free surfaces during thickness reduction.
The core manufacturing route for titanium foil integrates hot processing, warm processing, cold processing, and heat treatment. The sequence begins with hot rolling of the titanium ingot, followed by warm rolling to remove surface oxide scales and effect initial thickness reduction. The most critical stage is cold rolling, which progressively reduces material thickness to the target of less than 0.1 mm. Subsequently, vacuum annealing or continuous in-line protective atmosphere annealing is performed to eliminate work hardening, stabilize the internal structure, and enhance plasticity and overall mechanical properties. This tightly controlled process chain enables product widths up to 600 mm (limited by rolling mill dimensions) and thickness tolerances as tight as ±0.5 μm.
Owing to its unique property profile and precise dimensional control, titanium foil has found broad adoption across multiple high-tech and high-end manufacturing sectors:
Aerospace: Used in insulation layers, seals, and other critical components.
New Energy: Serves as a candidate material for metal bipolar plates in hydrogen fuel cells.
Electronics and Electrical Equipment: Functions as efficient heat spreaders or sheets.
Medical and Healthcare: Provides an essential material for various high-end implantable devices.
From aircraft systems to life-supporting implants within the human body, thin and lightweight titanium foil—strong, reliable, and corrosion-resistant—exemplifies how small material forms can enable major technological advances.
Chinese Manufacturer - Fortu Tech supplies titanium foil to multiple countries and regions around the world. Its service coverage includes the United States, Canada, Russia, Germany, France, the United Kingdom, Italy, Sweden, Austria, the Netherlands, Belgium, Switzerland, Spain, Czech Republic, Poland, Japan, South Korea, as well as Chile, Brazil, Argentina, Colombia and other places in Latin America.
Fortu Tech in China can produce and process titanium wire, titanium ingot, titanium sheet, titanium plate, titanium rod, titanium tubes, titanium Capillary Tube, titanium billet.
If you have any questions or need quote, price, please send email to info@fortu-tech.com.