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Yunus Sheets and Plates, located in Istanbul, Turkey, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 347 Foils. These foils are celebrated for their exceptional quality and dependability. The company is dedicated to providing precision-engineered products that showcase remarkable resistance to intergranular corrosion, along with impressive high-temperature stability and durability. Crafted with cutting-edge technology and in line with international standards, these foils are perfect for demanding industrial applications. Yunus Sheets and Plates guarantees consistent performance, serving a variety of industries such as petrochemical, power generation, pharmaceuticals, and food processing, making it a trustworthy partner for stainless steel material needs around the globe.
Stainless Steel 347 Foils are primarily made up of chromium, nickel, and columbium (niobium), which work together to provide excellent stabilization against carbide precipitation. This unique composition boosts corrosion resistance and helps prevent intergranular attack, even at high temperatures. On the mechanical side, these foils boast high tensile strength, good creep resistance, and outstanding oxidation resistance, capable of withstanding continuous service temperatures up to 870°C and intermittent service up to 925°C. Their stability and durability make them perfect for long-term use in harsh, corrosive, and heat-intensive environments, providing a reliable solution for critical industrial 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 |
DIN 1.4550 Foils offer several advantages, particularly in high-temperature and corrosive environments. The addition of niobium stabilizes the material, preventing carbide precipitation and ensuring excellent resistance to intergranular corrosion, especially in welded structures. It also provides outstanding oxidation and thermal stability, making it ideal for applications exposed to elevated temperatures. The material’s exceptional strength, durability, and weldability make it versatile for a wide range of industrial applications. Stainless Steel 347 Foils are widely used in the aerospace, chemical, and power generation industries, offering reliable performance and long-lasting resistance under harsh conditions.
| 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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