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Saif Sheets and Plates, a trusted manufacturer and supplier based in Muscat, Oman, proudly offers premium-quality Stainless Steel 347 Foils, designed for industries that require exceptional stability, corrosion resistance, and performance at high temperatures. With a strong reputation for precision and customer-focused service, the company ensures every foil meets international quality standards and delivers consistent reliability. Stainless Steel 347, stabilized with niobium, is especially suited for applications involving continuous heat exposure. Saif Sheets and Plates combines advanced processing techniques with personalised support, providing clients with long-lasting, high-performance foils tailored to demanding industrial, chemical, and engineering environments.
Stainless Steel 347 is an austenitic stainless steel alloyed with chromium, nickel, and niobium to improve stability at high temperatures. The niobium addition prevents carbide precipitation, enhancing resistance to intergranular corrosion. SS 347 offers excellent tensile and yield strength, strong creep resistance, and reliable toughness even under prolonged heat exposure. The alloy maintains its structural integrity during thermal cycling and provides steady corrosion protection in oxidising environments. These mechanical and chemical characteristics make Stainless Steel 347 foils ideal for high-temperature, precision-driven applications requiring durability and long-term performance.
| 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 |
Stainless Steel 347 Foils are widely used in industries that demand lightweight, heat-resistant, and corrosion-proof materials. They are commonly applied in aerospace components, chemical processing systems, and high-temperature gaskets due to their stability under continuous heat exposure. In petrochemical plants, the foils are used for linings, insulation layers, and flexible components exposed to hot, corrosive media. They also find use in furnace parts, thermal insulation wraps, exhaust systems, and precision-engineered parts requiring fine thickness control. With their excellent formability and heat stability, Stainless Steel 347 foils offer dependable performance across advanced manufacturing, industrial processing, and high-temperature engineering applications.
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