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Wiraphan Sheets and Plates, a reputable manufacturer and supplier based in Bangkok, Thailand, is dedicated to providing top-notch Stainless Steel 347 Foils for a variety of industrial, high-temperature, and structural uses. With state-of-the-art production facilities and a strong commitment to international quality standards, Wiraphan guarantees products that excel in corrosion resistance, thermal stability, and mechanical strength. These Stainless Steel 347 Foils are specifically designed to perform reliably in high-temperature and moderately corrosive environments, making them perfect for applications in chemical processing, petrochemicals, power generation, and aerospace. Thanks to their consistent quality, prompt delivery, and cost-effective solutions, Wiraphan has become a go-to supplier for clients both locally and around the globe.
Stainless Steel 347 Foil is an austenitic stainless steel primarily made up of iron, 17–19% chromium, 9–13% nickel, and stabilized with niobium (columbium) to prevent carbide precipitation. This unique composition offers outstanding resistance to intergranular corrosion, oxidation, and scaling at elevated temperatures. On the mechanical side, Stainless Steel 347 Foils boast high tensile strength, toughness, and thermal stability, along with good ductility and flexibility. The niobium stabilization ensures durability during welding and extended high-temperature service, making these foils ideal for precision forming, fabrication, and high-temperature structural applications.
| Item | Stainless Steel 347 foil(Hot rolled, cold rolled) | |
| Thickness | 0.025 to 3 mm and as per Customer Requirement | |
| Width | 3 mm to 2000 mm and as per Customer Requirement | |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc | |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc | |
| Surface | the surface and finish of stainless steel 347 foil: 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Grade | C | Mn | Si | P | S | Cr | Ni | N |
| SS 347 | 0.15 max | 5.5 – 7.5 | 100 max | 0.06 max | 0.03 max | 16.00-18.00 | 0.3 – 0.5 | – |
| Properties | Metric | Imperial |
| Tensile strength (transverse at room temperature) | 685 MPa | 99400 psi |
| Tensile strength (longitudinal at room temperature) | 696 MPa | 101000 psi |
| Yield strength (transverse at room temperature) | 292 MPa | 42400 psi |
| Yield strength (longitudinal at room temperature) | 301 MPa | 43700 psi |
| Compressive yield strength | 365 MPa | 52900 psi |
| Elastic modulus | 197 GPa | 28573 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (longitudinal at room temperature) | 56% | 56% |
| Elongation at break (transverse at room temperature) | 62.50% | 62.50% |
| Hardness, Rockwell B (transverse at room temperature) | 85 | 85 |
| Hardness, Rockwell B (longitudinal at room temperature) | 85 | 85 |
You’ll find Stainless Steel 347 Foils widely utilized in industries that demand high-temperature performance and corrosion resistance. In chemical and petrochemical facilities, they are commonly used in heat exchangers, piping systems, and pressure vessels. In the power generation and aerospace sectors, they serve critical roles in furnace components, turbine parts, and exhaust systems. Industrially, these foils are essential for high-temperature machinery, structural supports, and precision equipment. Their blend of toughness, thermal stability, and long-lasting performance guarantees reliable operation in demanding environments.
| STANDARD | UNS | JIS | WERKSTOFF NR. |
| SS 347 | S34700 | SUS 347 | 1.4550 |
SS 347 Foils are widely used in high-temperature and corrosive environments due to their excellent resistance to oxidation and intergranular corrosion. Common applications include heat exchangers, reactors, furnaces, and exhaust systems in the aerospace, chemical, and petrochemical industries. The material is also used in welding components, thermal power plants, and chemical processing equipment, where its ability to withstand extreme heat and harsh environments is crucial. Stainless Steel 347 Foils are ideal for applications requiring durability, strength, and resistance to high temperatures, ensuring reliable performance in demanding industrial settings.
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