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Will Sheets and Plates is a leading manufacturer and supplier based in Hamilton, New Zealand, specializing in premium stainless steel products. The company offers a wide range of high-quality foils, including Stainless Steel 347 Foils, known for their excellent resistance to corrosion and high-temperature stability. Stainless Steel 347 is alloyed with niobium, which prevents carbide precipitation and provides enhanced intergranular corrosion resistance, making it ideal for welded applications. We ensure that its Stainless Steel 347 Foils meet stringent industry standards, offering reliable and durable solutions for a variety of critical applications in industries such as aerospace, chemical processing, and power generation.
UNS S34700 Foils primarily consist of iron, with key alloying elements including 17-19% chromium (Cr), 9-13% nickel (Ni), and 0.75% niobium (Nb) to enhance resistance to intergranular corrosion. It also contains small amounts of manganese (Mn), silicon (Si), carbon (C), sulfur (S), and phosphorus (P). The mechanical properties of 347 foils include a tensile strength of approximately 520-720 MPa, yield strength of around 205 MPa, and elongation of 40-50%. It exhibits excellent weldability, thermal stability, and resistance to oxidation, making it suitable for high-temperature and corrosive environments.
| 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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