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309 Stainless Steel Foils
China 309 Stainless Steel Foil Manufacturers | Suppliers | Exporters
Huaxiao 309 Stainless Steel Foil Manufacturers is one of the leading enterprises in China’s stainless steel industry. With strong technical capabilities and excellent production capacity, Huaxiao has earned a good reputation in the 309 stainless steel foil manufacturing sector. Focused on research and production of stainless steel foil, Huaxiao 309 Stainless Steel Foil Manufacturers is committed to providing high-quality, high-precision, and highly corrosion-resistant products. Its strict quality control system and advanced production equipment ensure the stability and reliability of product quality.
Huaxiao 309 Stainless Steel Foil Manufacturers not only hold a significant position in the domestic market but have also established a good brand image in the international market, with products being exported worldwide. With a continued spirit of innovation and keen insight into customer needs, Huaxiao 309 Stainless Steel Foil Manufacturers continues to grow within the industry, making active contributions to the comprehensive development of China’s stainless steel industry.
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Range of Precision 309 Stainless Steel Foils
| Product Name | Stainless Steel Foils Roll |
|---|---|
| Thickness: | 0.015-0.3mm, etc. |
| Length: | Customizable |
| Width: | Customizable |
| Standard: | ASTM A167,ASTM A176,ASTM A240,ASTM A262,ASTM A666,ASTM A693,ASTM A763….. |
| Surface: | BA，2B， NO.4， HL，8K, etc. |
| Certification: | ISO, SGS， BV, etc. |
| Technique: | Cold Rolled |
| Grade: | 309 |
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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 309 Stainless Steel Foil?
309 stainless steel foil is a thin sheet of stainless steel that is made primarily from the alloy known as 309 stainless steel. This type of stainless steel is classified as an austenitic chromium-nickel stainless steel that is often used in high-temperature applications. It contains a higher percentage of chromium and nickel compared to other stainless steel grades, which gives it enhanced resistance to high temperatures and corrosion.
309 stainless steel foil is known for its excellent resistance to oxidation at high temperatures, making it suitable for use in environments with elevated temperatures, such as in furnace parts, heating elements, and other high-temperature applications. It also exhibits good strength and toughness at both room temperature and high temperatures, along with good resistance to thermal fatigue and cyclic heating.
Due to its specific properties, 309 stainless steel foil finds applications in various industries, including the automotive, aerospace, chemical processing, and power generation industries, where its high-temperature resistance and corrosion resistance are essential for the efficient and reliable operation of components and equipment.
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309 Stainless Steel Foil Data Sheet
309 Stainless Steel Foil Chemical Composition
The chemical components of the grade 309 stainless steel foil roll are summarized in the following table:
| Element | Cr | Ni | C | Mn | Si | P | S | Mo |
|---|---|---|---|---|---|---|---|---|
| Composition Range (% by weight) | 22-24% | 12-15% | 0.2% max | 2.0% max | 1% | 0.045% max | 0.03% max | 2% – 3% |
This table outlines the typical ranges of the major alloying elements in 309 stainless steel foil. Please note that these percentages may vary slightly depending on the specific manufacturing standards or requirements of a particular product or supplier.
309 Stainless Steel Foil Mechanical Properties
The mechanical properties of 309 stainless steel foil can vary depending on the specific manufacturing processes and the exact composition of the material. However, the typical mechanical properties for 309 stainless steel foil are as follows:
Mechanical Properties | Tensile Strength | Yield Strength | Elongation | Modulus of Elasticity |
|---|---|---|---|---|
| Typical Value | 620 MPa (90,000 psi) minimum | 310 MPa (45,000 psi) minimum | 45% min | 200 GPa (29 x 10^6 psi) |
These mechanical properties highlight the material’s excellent strength and ductility, making it suitable for use in high-temperature applications and environments where corrosion resistance and mechanical stability are crucial. It is important to note that the specific mechanical properties may vary depending on the specific heat treatment, production process, and the thickness of the stainless steel foil.
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309 Stainless Steel Foil Physical Properties
| Property | Value |
|---|---|
| Density | 7.89 g/cm³ (0.285 lb/in³) |
| Melting Point | 1454-1510°C (2650-2750°F) |
| Thermal Conductivity | 15 W/m°C (8.7 BTU-in/hr-ft²-°F) at 100°C (212°F) |
| Specific Heat Capacity | 15 W/m°C (8.7 BTU-in/hr-ft²-°F) at 100°C (212°F) |
| Electrical Resistivity | 72 microhm-cm at 20°C (68°F) |
| Modulus of Elasticity | 200 GPa (29 x 10^6 psi) |
These physical properties contribute to the material’s overall performance, particularly in high-temperature applications. The high melting point, along with its good thermal conductivity and moderate specific heat capacity, makes 309 stainless steel foil suitable for use in environments where it is exposed to elevated temperatures and thermal cycling. Its moderate electrical resistivity also makes it suitable for certain electrical and heating applications.
Application of China 309 Stainless Steel Foil
China 309 stainless steel foil finds a wide range of applications across various industries due to its excellent high-temperature resistance and corrosion resistance properties. Some common applications include:
- High-Temperature Environments: Used in furnace parts, heating elements, and other components that are exposed to elevated temperatures.
- Chemical Processing: Applied in equipment and components for handling corrosive chemicals and acidic environments.
- Aerospace Industry: Utilized in aerospace components that require resistance to high temperatures and corrosion, such as in exhaust systems and engine parts.
- Automotive Industry: Employed in exhaust systems and other components that are subject to high temperatures and corrosive environments.
- Power Generation: Used in power plants for components that operate at high temperatures, such as in boilers, heat exchangers, and other thermal processing equipment.
- Petrochemical Industry: Applied in equipment used for processing and transporting petroleum products, where resistance to corrosion and high temperatures is crucial.
- Pharmaceutical Industry: Utilized equipment and components that require resistance to corrosive substances and sterilization processes.
These applications highlight the versatility of China 309 stainless steel foil and its ability to meet the demanding requirements of various industries where high-temperature resistance and corrosion resistance are essential.
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How To Make 309 Stainless Steel Foils?
The process of manufacturing 309 stainless steel foils typically involves several key steps:
- Raw Material Preparation: The process begins with the preparation of raw materials, which involves sourcing the appropriate grades of stainless steel, including the necessary alloying elements such as chromium, nickel, and other components. These raw materials are often in the form of large metal sheets or coils.
- Melting and Refining: The raw materials are then melted in an electric arc furnace or other suitable melting systems. During this stage, the composition of the stainless steel is carefully controlled to ensure the desired chemical composition and quality.
- Casting: After the molten stainless steel is refined, it is cast into slabs or billets, which are then processed further to reduce their thickness and width.
- Hot Rolling: The slabs or billets are heated and passed through hot rolling mills to reduce their thickness and produce hot-rolled coils. This process helps to refine the grain structure and improve the mechanical properties of the stainless steel.
- Cold Rolling: The hot-rolled coils are further processed through cold rolling mills to achieve the desired thickness and surface finish. This cold rolling process imparts the necessary mechanical strength and dimensional accuracy to the stainless steel foils.
- Annealing: The stainless steel foils may undergo an annealing process to relieve internal stresses and improve their ductility and formability. Annealing also helps in achieving the desired mechanical properties and surface finish.
- Finishing: The stainless steel foils are then trimmed, leveled, and cut to the required dimensions. They may undergo surface treatments or coatings to improve their corrosion resistance or appearance.
- Quality Control: Throughout the entire manufacturing process, stringent quality control measures are implemented to ensure that the 309 stainless steel foils meet the required specifications and standards, including chemical composition, mechanical properties, and surface characteristics.
By following these steps with precision and maintaining strict quality control, manufacturers can produce high-quality 309 stainless steel foils that meet the specific requirements of various industrial applications.
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Package of China 309 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.
