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Victor Sheets and Plates, a trusted manufacturer and supplier in Abuja, Nigeria, proudly offers Stainless Steel 347 Foil—a niobium-stabilized austenitic alloy designed for exceptional resistance to intergranular corrosion and oxidation. Engineered for high-temperature applications, SS 347 Foil delivers outstanding thermal stability, strength, and weldability. Its superior creep resistance and immunity to carbide precipitation make it ideal for components exposed to prolonged heat. With a blend of mechanical reliability and chemical resilience, Victor’s SS 347 Foil stands as a benchmark of metallurgical precision, ensuring long-lasting performance in thermal, aerospace, and chemical process environments.
Stainless Steel 347 contains 17–19% chromium, 9–13% nickel, and niobium (columbium) as a stabilizing element that prevents carbide formation. This composition enhances resistance to intergranular attack and maintains mechanical integrity during thermal exposure up to 870°C. SS 347 Foil offers high tensile and yield strength, superior creep resistance, and excellent formability. It retains ductility and toughness even under continuous heating and cooling cycles. Its niobium-stabilized structure ensures unmatched performance in oxidizing and corrosive conditions, making it ideal for heat-intensive applications requiring strength and metallurgical stability.
| 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 Foil is extensively used in heat exchangers, furnace linings, expansion joints, and exhaust manifolds where resistance to oxidation and thermal fatigue is vital. It performs exceptionally in chemical processing, aerospace, and power generation industries, where materials face extreme temperature and corrosive exposure. Its excellent formability also makes it suitable for insulation, flexible connectors, and precision-engineered components. Victor Sheets and Plates’ SS 347 Foil delivers exceptional longevity, thermal efficiency, and mechanical endurance—crafted to withstand the most demanding operational environments with consistent, high-performance reliability.
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