Key Specifications
Material Grade
Titanium foil is commonly available in various grades, such as Grade 1, Grade 2, Grade 5 (Ti-6Al-4V), and others. The grade defines the alloy composition, which impacts the material's strength, corrosion resistance, and formability.
Titanium foil is a very thin, sheet-like product made from commercially pure titanium or titanium alloys through processes like cold rolling and annealing. It is characterized by its exceptional strength-to-weight ratio, outstanding corrosion resistance, and high-temperature performance.
|
Material Grade |
Content |
|
Grade 1 |
Pure titanium, very ductile, excellent corrosion resistance |
|
Grade 2 |
Pure titanium, but stronger than Grade 1 and widely used for general applications. |
|
Grade 5 (Ti-6Al-4V) |
Titanium alloy with aluminum and vanadium, offering higher strength, typically used in aerospace and medical industries |
Thickness
Titanium foil thickness can range from 0.001 mm (1 micron) to 1 mm or more. Typical foils are between 0.05 mm to 0.5 mm thick, but custom thicknesses are also available.
Thin foil
Below 0.1 mm (typically used for flexible applications).
Medium thickness
Between 0.1 mm and 0.5 mm (commonly used for engineering applications).
Width and Length
The width and length of titanium foils can vary depending on the supplier and the application. Common widths range from 25 mm to 1,000 mm, while lengths can be customized according to the specific needs of the user. Standard foil lengths could range from 100 mm to several meters.
Surface Finish
Titanium foil can have various surface finishes, such as:
- Mill finish: As-rolled or as-produced finish.
- Polished: Smooth, reflective surface.
- Annealed: Softened for improved formability.
- Oxidized: Often used for aesthetic or functional purposes, like in the production of colored titanium sheets.
Mechanical Properties
Tensile Strength: Varies by grade, but for example, Grade 2 titanium has a tensile strength of around 345 MPa.
Yield Strength: Grade 2 typically has a yield strength of around 275 MPa.
Elongation: Typically 20-25% depending on the grade and heat treatment.
Hardness: Varies, but Grade 2 is typically around 140-200 HV (Vickers Hardness).
Applications
Titanium foil is used in various industries, including aerospace, medical (e.g., implants), automotive, electronics, and chemical processing. It is especially valued for its corrosion resistance, lightweight, and biocompatibility.
These specifications can be customized according to the application, so it's always important to consult with manufacturers for the exact requirements when ordering titanium foil.
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