Gr4 Titanium Foil Description
1) Introduction
Grade 4 titanium foil is an ultra-thin titanium strip manufactured by precision rolling from Grade 4 industrial pure titanium with a titanium purity of no less than 99%.
Among all pure titanium foils, Grade 4 offers the highest strength and stability, along with the lowest ductility, making it suitable for high-strength applications.
Among commercially purte titianium foils:
- Grade 1 Titanium Foil: High ductility, low strengh
- Grade 2 Titanium Foil: Moderate ductility and strength
- Grade 4 Titanium Foil: Lowset ductility and hignest strength
2) Standard Specifications
- Thickness range:0.02-1.0mm
- Width range:350-670mm
- Delivery form: coil/strip/cut-to-length plate(customizable)
Custom thickness available: 0.001 – 0.008 mm, suitable for general industrial applications as well as high-end precision fields such as microelectronics and optics.
3) Production Line Process & Equipment Capabilities
Titanium ingot → Hot rolling breakdown → Multi-pass 20-high precision cold rolling → Ultrasonic cleaning → Continuous vacuum annealing (stress relief / ductility restoration) → Temper rolling → Slitting → Surface matte finishing → Inspection & packaging
Key equipment: 750mm 20-high precision rolling mill, ultrasonic cleaning line, continuous vacuum argon annealing furnace, precision temper mill, slitting line, foil cutting machine, and matte finishing line.
4) Description of Key Equipment & Process Capabilities
- 20-High Precision Rolling Millwith a maximum rolling speed of 400 m/min
- Ultrasonic Cleaning Line: After cleaning, the surface dyne level can reach above 44, with a maximum line speed of 30 m/min. This ensures both production efficiency and surface cleanliness, making it suitable for applications requiring high surface quality.
- Precision Temper Mill: Maximum speed: 100 m/min. Effectively improves the flatness and residual stress of thin strips, enhancing stability in subsequent processing.
- Slitting Line: Suitable for precision slitting of strips with thickness range from 0.08 mm to 1.0 mm. Width tolerance can be controlled within ±0.02 mm to meet high-precision slitting requirements.
- Matte Finishing Line: Used for surface functional treatment to improve surface consistency and adhesion of the material, enhancing performance in subsequent coating, cladding and other industrial applications.
Technical Specifications
Basic Product Information
|
Item |
Detail |
|
Materials brand |
Gr4 |
|
Materials type |
Industrial pure titanium (α-type) |
|
Ti Purity |
≥99.0% |
|
Product modality |
Titanium foil/ titanium trip/ titanium coil |
|
Thickness |
≤0.3 mm |
Specification
|
Item |
Parameter scope |
|
Thickness |
0.02 – 1.0 mm (0.01 mm customization available) |
|
Width |
350 – 670 mm (slitting available) |
|
Length |
Coil form (customizable as required) |
|
Surface |
Bright / pickled / matte |
|
Delivery Status |
Annealed condition (M) / cold-worked condition (Y) |
Chemical composition (GB/T 3620.1)
|
Element |
Ti |
O |
Fe |
C |
N |
H |
|
Percetage |
≥99.0% |
≤0.40% |
≤0.50% |
≤0.08% |
≤0.05% |
≤0.015% |
Physical Properties
|
Density |
4.51 g/cm³ (approximately 60% the density of steel) |
|
Melting point |
1668 °C |
|
Opertaing Temperature |
≤ 350 °C (long-term) |
|
Resistance |
0.50 μΩ·cm |
|
Magnetism |
Non-magnetic |
Machanical Property
|
Performance Indicators |
Gr1 |
Gr2 |
Gr4 |
|
Tensile Strength |
≥240 MPa |
350–500 MPa |
550–750 MPa |
|
Yield Strength |
≥170 MPa |
275–410 MPa |
480–620 MPa |
|
Elongation |
≥24% |
≥20% |
≥15% |
|
Hardness |
120–160 HV |
150–180 HV |
200–240 HV |
Standard
|
Country |
Brand |
Standard |
|
USA |
Gr4 / R50700 |
ASTM B265 |
|
Japanse |
Class 4 |
JIS H4600 |
|
Europe |
Ti4 |
EN 10263-4 |
|
Russia |
BT1-00 |
GOST 19807 |
Compared with Gr1,Gr2 Foil
|
Item |
Gr1 |
Gr2 |
Gr4 |
|
Materials |
Industrial pure titanium |
Industrial pure titanium |
Industrial pure titanium |
|
Strength Grade |
Low |
Medium |
High |
|
Ductility |
Extremely high |
Good |
Medium |
|
Processing difficulty |
Easy to form Excellent formability |
Relatively easy |
Medium |
|
Deformation Resistance |
Relatively weak |
Medium |
High / Strong |
|
Application |
Ultimate forming |
General |
Structural load-bearing type |
0.02–1.0mm×350–670mm Gr4 Titanium Foil Features
- Highest strength pure titanium foil:Highest grade of commercially pure titanium, tensile strength ≥ 550 MPa, with excellent load-bearing capacity.
- Excellent corrosion resistance: Keep the stable chemical properties of pure titanium, resisting seawater and various acidic & alkaline media. Highly corrosion-resistant in long-term service.
- Excellent lightweight performance:With a density of approximately 4.51, it offers over 40% weight reduction compared to steel, it features high strength and low weight.
- Excellent processing adaptablility: With suitable ductility, it can be stamped, bent and welded, it features stable and well-processing performance.
- Excellent non-magnetic properties and stability:Non-magnetic, stable at low temperatures and reliable at high temperatures, making it suitable for precision and demanding applications.
- Excellent overall cost advantage:Its strength is close to some titanium alloys,but its cost is significantly lower, with superior cost-effectiveness.
Technological Advantages
- Strict control over surface color difference to ensure uniform appearance and color consistency.
- Precise dimension control to meet tolerance specification requirement.
- Self-developed degreaser can improve surface cleanliness.
- Optimized leveling tension to ensure excellent material flatness.
- Sanding process to enhance surface uniformity and texture.
- Stable annealing process to guarantee the overall material properties.
- High-precision slitting technology can increase product yield and quality.
Applications & Solutions
- Chemical industry: Suitable for large-size electrolytic cell anode foils, corrosion‑resistant structural linings and membrane components. It can be in stable operation under highly corrosive conditions.
- Electronics and New Energy: Used in wide-width flexible shielding materials, battery current collectors and tab systems, ultra-thin heat dissipation structures, and sensor packaging to improve conductive consistency.
- Aerospace: Used for large-area honeycomb core materials, thin-wall sealing gaskets and lightweight structural components, with excellent strength and stability.
- Ocean Engineering: Suitable for wide-width seawater desalination module and marine sensing electrodes, with stable operation in high-salt spray and seawater environments.
- Precision Manufacturing & Welding Applications:Used as matching welding strips and connecting materials for large-size Grade 4 structural parts, improving welding consistency and reliability.
Custom Processing Capabilities
1) Production Line Strength
Baoji Titanium Valley Ti-Ni-Zr Material Processing Co., Ltd. has invested a total of $36.2 million in high-end strip and foil production, establishing an advanced production line for titanium, nickel, zirconium and their alloy strips and foils in the world.
The production line specializes in the stable rolling of ultra-thin, wide-width strips, overcoming critical industry challenges such as springback, difficult shape control and inconsistent material properties. We achieved stable mass production of high-end titanium foil.
With an annual capacity of 3,000 tons, the production line is expected to realize an annual output value of $116 million, supporting large-volume supply demands from high-end customers in aerospace, electronics, new energy, chemical engineering and other industries..
2) Advanced Equipment Capabilities
The production line is equipped with advanced equipment in the world which can ensure high precision and stability for every coil of strip and foil:
A.750mm 20-high precision rolling mill: enable precision rolling of ultra-thin, wide-width strips.
B.Continuous cleaning and annealing line: ensure surface cleanliness and uniform microstructure
C.Vacuum furnace: improve stability of material properties
D.Leveler: enhance strip shape and flatness
E.Slitting line: high-precision slitting suitable for ultra-thin materials
F.Sanding line: optimize surface consistency and texture.
Through precision equipment and optimized processes, the production line has successfully broken through seven core technical barriers for strip and foil products, including surface color difference control, thickness tolerance control, uniform annealing structure, high-precision slitting, and high-performance cleaning processes.
3) Comprehensive Processing Service
We provide one-stop custom processing from raw materials to finished products, ensuring stable supply of high-precision,hign performance products to our customers.
A.Materials: Pure titanium, titnaium alloys, zironium,nickel.
Specificatios:Thickness 0.02-1.0mm, width: 350-670mm, customize according to requirements.
B.Surface treatment: Cleaning, sanding, degreaing,annealing,available in bright,matte and other function surface
C.Dimentional & Flatness control: Precise control of thinckness, tolerances and surface flatness.
D.Slitting & Cutting to length: Suitable for ultra-thin wide strips with hign yield and stable quality
E.Mass Delivery: Annual capacity of 3,000Tons to meet large and high-standard orders
Contact Us
Telephone: +86-13530170059
Email: sales@titaniumvalleys.com
Address: Technology Innovation Industrial Park, Titanium Valley Building, High tech Development Zone, Baoji, Shaanxi, China