304 Stainless Steel Foils
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China 304 Stainless Steel Foil Manufacturers | Suppliers | Exporters
We are proud to offer high-quality 304 stainless steel foil from China. As a top manufacturer, supplier, and exporter, we are committed to providing the highest quality materials to customers around the world. Our 304 stainless steel foil is in stock to ensure fast delivery, and we offer competitive prices to meet your various needs. Whether you are looking for information on Chinese 304 stainless steel foil manufacturers or want to understand stainless steel foil prices and stock status, we can provide detailed support.
Range of Precision 304 Stainless Steel Foils
| Product Name | Stainless Steel Foils |
|---|---|
| Thickness: | 0.015-0.3mm, etc. |
| Length: | Customizable |
| Width: | Customizable |
| Standard: | ASTM， AISI，JIS， GB， EN |
| Surface: | BA，2B， NO.4， HL，8K, etc. |
| Certification: | ISO, SGS， BV, etc. |
| Technique: | Cold Rolled |
| Grade: | 304 |
| Product Name | Stainless Steel Foils | Standard: | ASTM， AISI，JIS， GB， EN |
|---|---|---|---|
| Thickness: | 0.015-0.3mm, etc. | Surface: | BA，2B， NO.4， HL，8K, etc. |
| Length: | customizable | Certification: | ISO, SGS， BV, etc. |
| Width: | customizable | Technique: | Cold Rolled |
Stainless Steel Foil
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TISCO can provide the world’s ultra-thin stainless steel foil with a thickness of 0.015mm. At present, Taiyuan Iron and Steel is continuing the experiment. I believe that shortly, the TISCO Plant in our country can produce 0.01mm stainless steel foil.
What Is 304 Stainless Steel Foil?
304 stainless steel foil is a thin sheet of stainless steel that is primarily composed of the alloy known as “304 stainless steel.” This alloy is a popular and widely used type of stainless steel due to its excellent combination of corrosion resistance, strength, and versatility.
The “304” refers to the specific grade of stainless steel, which is part of the austenitic family of stainless steels. This grade contains around 18-20% chromium and 8-10% nickel, along with small amounts of other elements like manganese and carbon. The chromium content contributes to the material’s corrosion resistance, making it suitable for various environments, including both indoor and outdoor applications. The nickel content further enhances the corrosion resistance and provides stability at both high and low temperatures.
Stainless steel foil, including 304 stainless steel foil, is often used in applications that require a combination of thinness, durability, and resistance to corrosion. It can be found in industries such as electronics, automotive, aerospace, medical, and more. Some common uses for 304 stainless steel foil include gaskets, shims, heat exchanger components, electrical connectors, and even decorative elements.
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304 Stainless Steel Foil Data Sheet
304 Stainless Steel Foil Chemical Composition
The chemical components of grade 304 stainless steel foil roll are summarized in the following table:
| Element | Cr | Ni | C | Mn | Si | P | S | N |
|---|---|---|---|---|---|---|---|---|
| Composition Range (% by weight) | 18.0 – 20.0% | 8.0 – 10.5% | 0.08% max | 2.0% max | 0.75% max | 0.045% max | 0.03% max | 0.10% max |
304 Stainless Steel Foil Mechanical Properties
The mechanical properties of grade 304 stainless steel foil are summarized in the following table:
| Property | Typical Value |
|---|---|
| Tensile Strength | 515 MPa (75,000 psi) |
| Yield Strength | 205 MPa (30,000 psi) |
| Elongation | 40% (in 50mm) |
| Hardness (Brinell) | 201 HB max |
| Hardness (Rockwell B) | 92 HRB max |
| Modulus of Elasticity | 193 GPa (28,000 ksi) |
| Poisson’s Ratio | 0.29 |
| Density | 8.0 g/cm³ (0.289 lb/in³) |
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304 Stainless Steel Foil Physical Properties
| Property | Value |
|---|---|
| Density | 8.0 g/cm³ (0.289 lb/in³) |
| Melting Point | 1400-1450°C (2552-2642°F) |
| Thermal Conductivity | 16.2 W/m·K (10.1 BTU/hr·ft·°F) |
| Thermal Expansion Coefficient | 17.3 x 10^-6 /°C (9.6 x 10^-6 /°F) |
| Electrical Conductivity | 1.45 x 10^6 S/m |
| Magnetic Properties | Nonmagnetic (paramagnetic) |
Application of China 304 Stainless Steel Foil
Stainless steel insulating foils can be used for shielding, radiation barriers, linings, sealing to reduce condensation, reduce heat transfer, and as vapor retarders in a variety of industries:
- Food industry
- Bale
- Stamping
- Chemical industry
- Processing Industry
- Construction industry
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How To Make 304 Stainless Steel Foils?
Producing 304 stainless steel foils involves a series of manufacturing steps to transform bulk stainless steel material into thin, flexible sheets. Here’s an overview of the typical process:
1. Raw Material Preparation:
The process begins with high-quality raw materials, primarily iron, chromium, and nickel, which are melted together to create the stainless steel alloy with the desired composition, including the 18-20% chromium and 8-10% nickel content characteristic of 304 stainless steel.
2. Hot Rolling:
The melted stainless steel is cast into large slabs or billets. These slabs are then heated to high temperatures and passed through a series of rollers in a hot rolling mill. This process reduces the thickness of the steel while increasing its length. It also helps refine the material’s microstructure and mechanical properties.
3. Annealing:
After hot rolling, the stainless steel is often annealed, which involves heating the material to a specific temperature and then slowly cooling it. This step relieves internal stresses, improves ductility, and enhances the material’s workability.
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4. Cold Rolling:
The annealed stainless steel is then cold rolled through a series of rolling mills that gradually reduce the thickness of the material to the desired foil thickness. Cold rolling also imparts a smoother surface finish to the stainless steel.
5. Intermediate Annealing (Optional):
In some cases, especially when extremely thin foils are required, an intermediate annealing step may be performed during the cold rolling process to further enhance the material’s ductility and prevent cracking.
6. Final Annealing and Temper Rolling:
The cold-rolled stainless steel is subjected to final annealing to remove any residual stresses and improve its mechanical properties. Additionally, temper rolling may be applied to enhance flatness and control the foil’s thickness uniformity.
7. Surface Treatment (Optional):
Depending on the intended application, the stainless steel foil may undergo various surface treatments, such as polishing, coating, or other forms of surface modification to achieve specific characteristics.
8. Slitting and Cutting:
Once the foil reaches the desired thickness, it is slit and cut into rolls or sheets of appropriate dimensions. This step prepares the foil for packaging and distribution to customers.
9. Quality Control and Inspection:
Throughout the manufacturing process, various quality control measures are implemented to ensure that the foil meets the required specifications for thickness, mechanical properties, and surface quality.
10. Packaging and Distribution:
The finished 304 stainless steel foils are packaged and shipped to customers for use in a wide range of applications.
It’s important to note that the manufacturing process can vary slightly based on the specific equipment, techniques, and quality standards of the manufacturer.
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Package of China 304 Stainless Steel Foil Rolls
We usually use conventional export packaging standards and then put about 10 packs of desiccant in the container.
If customers have other packaging requirements, we can also adjust the packaging according to customer requirements.
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