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Grade 1 Titanium Foil

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Commodity: Metals Material: Titanium Form: Foil/Film/Sheet Composition: Ti Grade: Grade 1 CAS Number: 7440-32-6 Purity: 99.6%
Thickness Width Length Temper Options Standards Other Variants
0.002mm to 5mm 6mm to 300mm 6mm to 500mm As Rolled, Annealed ASTM B265; ASTM B265 Chemistry Only Light Tight; High Purity (≤ 99.999%); Grade 2; Grade 3; Grade 4; Grade 7; Grade 12; Ion Implanted

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Grade 1 Titanium Foil (UNS R50250) is the softest and most ductile of the four commercially pure titanium grades, and the natural choice whenever maximum cold formability takes priority over strength. With a purity of 99.6% and tightly controlled interstitial limits — oxygen max 0.18% and iron max 0.20%, lower than any other CP grade — it offers a typical yield strength of around 170–240 MPa alongside the highest elongation in the CP family, making it exceptionally compliant under cold forming, deep drawing, and precision deformation operations. Supplied to ASTM B265 and B265 Chemistry Only, it shares the same self-healing titanium oxide passive film that gives all CP grades their excellent resistance to seawater, chlorides, oxidising acids, and a wide range of industrial chemical environments. Its density of 4.51 g/cm³ is roughly half that of steel, and like all titanium grades it is non-magnetic, biocompatible, and weldable by TIG and MIG with appropriate inert gas shielding, with no preheat or post-weld heat treatment required. Typical applications include architectural cladding and formed components, chemical processing liners and gaskets, pharmaceutical and marine hardware, heat exchanger components, and medical device substrates where formability and chemical inertness matter more than maximum mechanical strength. In research, it is widely used as a substrate for electrochemical studies, thin-film deposition, and forming behaviour investigations where a traceable, highly ductile titanium foil is required.
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Key Features

Grade 1 Titanium possesses a combination of material characteristics that make it particularly well suited for aerospace, biomedical, chemical processing, electronics, and energy applications:

Excellent Corrosion Resistance

Grade 1 Titanium naturally forms a stable oxide layer (TiO₂) that protects it from corrosion in aggressive environments, including seawater, chlorides, and strong acids. This makes it valuable in marine, chemical, and biomedical systems.

High Strength-to-Weight Ratio and Low Density (4.51 g/cm³)

Grade 1 Titanium combines excellent strength with low density, making it ideal for aerospace, automotive, and structural applications where weight savings are critical without compromising durability.

High Melting Point (1,668 °C)

Grade 1 Titanium's high melting point ensures structural stability under extreme heat, supporting its use in high-temperature tooling, aerospace shielding, and furnace components.

Biocompatibility

Grade 1 Titanium is bioinert and non-toxic, making it ideal for long-term contact with biological tissues. It is used in medical implants, surgical tools, and wearable biosensors.

Workability & Formability

Grade 1 Titanium can be cold-rolled and formed into complex shapes without significant loss of strength. This enables its use in microfabrication, flexible electronics, and precision-engineered components.

Surface Engineering & Oxide Layer Control

Grade 1 Titanium's surface can be engineered through anodisation or oxidation to tailor its optical, electronic, or catalytic properties — useful in sensors, coatings, and energy devices.

Industrial Applications

Grade 1 Titanium is used across high-technology sectors for its corrosion resistance, strength-to-weight ratio, biocompatibility, and thermal stability:

Aerospace & Propulsion Systems
Grade 1 Titanium is used in thermal shielding, engine insulation, and structural components where high strength, low weight, and heat resistance are essential. Its oxidation resistance supports long-term performance in high-altitude and space environments.
Medical & Biomedical Devices
Biocompatible and non-toxic, Grade 1 Titanium is used in implantable devices, surgical instruments, and biosensors. Its corrosion resistance and compatibility with human tissue make it ideal for long-term applications inside the body.
Chemical Processing & Marine Engineering
Grade 1 Titanium lines tanks, heat exchangers, and piping systems exposed to aggressive chemicals and seawater. Its resistance to chlorides and acids ensures durability in harsh industrial and offshore environments.
Electronics & Semiconductor Fabrication
Used as a diffusion barrier, electrode substrate, and thin-film base layer, Grade 1 Titanium supports high-precision manufacturing in capacitors, sensors, and microelectronic devices.
Energy Storage & Conversion Systems
Grade 1 Titanium is employed in battery current collectors, fuel cell membranes, and hydrogen storage systems due to its corrosion resistance, formability, and surface engineering potential.
Optical & Surface Coating Technologies
Grade 1 Titanium's surface can be anodised or oxidised to produce interference colours or functional coatings, making it useful in optical filters, sensors, and decorative or functional surface treatments.

Synonyms

Grade 1 Ti Foil Grade 1 Titanium Sheet Grade 1 Titanium Strip

Material Properties

Atomic Properties
Element Value
Atomic number 22
Crystal structure Hexagonal close packed
Electronic structure Ar 3d² 4s²
Valences shown 2,3,4
Atomic weight( amu ) 47.88
Thermal neutron absorption cross-section( Barns ) 6.1
Photo-electric work function( eV ) 4.1
Natural isotope distribution( Mass No./% ) 50/ 5.3
Natural isotope distribution( Mass No./% ) 49/ 5.5
Natural isotope distribution( Mass No./% ) 46/ 8.0
Natural isotope distribution( Mass No./% ) 48/ 73.7
Natural isotope distribution( Mass No./% ) 47/ 7.5
Atomic radius - Goldschmidt( nm ) 0.147
Ionisation potential( No./eV ) 3/ 27.5
Ionisation potential( No./eV ) 4/ 43.3
Ionisation potential( No./eV ) 5/ 99.2
Ionisation potential( No./eV ) 1/ 6.82
Ionisation potential( No./eV ) 2/ 13.6
Ionisation potential( No./eV ) 6/ 119
Mechanical Properties
Element Value
Material condition Polycrystalline
Material condition Annealed
Poisson's ratio 0.361
Poisson's ratio 0.361
Poisson's ratio -
Bulk modulus( GPa ) 108.4
Bulk modulus( GPa ) -
Bulk modulus( GPa ) 108.4
Tensile modulus( GPa ) -
Tensile modulus( GPa ) 120.2
Tensile modulus( GPa ) 120.2
Izod toughness( J m⁻¹ ) 61
Izod toughness( J m⁻¹ ) 61
Hardness - Vickers( kgf mm⁻² ) 60
Hardness - Vickers( kgf mm⁻² ) 60
Tensile strength( MPa ) 230-460
Tensile strength( MPa ) 230-460
Yield strength( MPa ) 140-250
Yield strength( MPa ) 140-250
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 54@20°C
Superconductivity critical temperature( K ) 0.4
Temperature coefficient( K⁻¹ ) 0.0038@0-100°C
Physical Properties
Element Value
Boiling point( C ) 3287
Density( gcm⁻³ ) 4.5@20°C
Thermal Properties
Element Value
Melting point( C ) 1660
Latent heat of evaporation( J g⁻¹ ) 8893
Latent heat of fusion( J g⁻¹ ) 365
Specific heat( J K⁻¹ kg⁻¹ ) 523@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 21.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8.9@0-100°C
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Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Titanium Form: Foil Composition: Ti Grade: Grade 1 CAS Number: 7440-32-6 Purity: 99.6%

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Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%