Weston Stainless, which is headquartered in Midland, UK, is a reliable source of stainless steel products of high quality, providing corrosion-resistant and heat-resistant solutions for industrial purposes. Of its range of products, Stainless Steel 446 Coils are notable for their superior oxidation resistance, high-temperature strength, and longevity. As belonging to Grade 446, the coils are produced in various forms such as hot-rolled, cold-rolled, and precision strips to meet various industrial demands. Produced from ferritic stainless steel, these coils have superior scaling and thermal fatigue resistance, making them ideal for use in severe heat conditions and long-performance-demanding industries.
446 Stainless Steel Coils are mostly composed of iron with a high chromium content (23-27%) that provides them with enhanced oxidation and corrosion resistance. They also have minor amounts of carbon, manganese, silicon, and trace elements to enhance their mechanical strength. These coils possess a tensile strength of around 550 MPa, a yield strength of around 310 MPa, and elongation of 20%. They also possess a density of around 7.7 g/cm³ and superior heat conductivity, being stable and hardy in terms of severe temperature and mechanical loads.
| Standard | ASTM A240, ASME SA240 |
| Thickness | 0.1mm to 12 mm Thk |
| Coil Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm etc. |
| Coil Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm etc. |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sandblast, Brush, etching. |
| Finish | Hot rolled (HR), Cold rolled (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated), Galvanized etc. |
| Grade | C | Ni strong> | Si | S | Mn | P | Cr | Ti | |
| SS 446 | Min | – | – | – | – | – | – | 10.5 | 6x C |
| MAX | 0.08 | 0.5 | 1.00 | 0.045 | 1.00 | 0.045 | 11.75 | 0.75 | |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HRB) max | Brinell (HB) max |
| 450 | 240 | 25 | 75 | 131 |
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Processed by slitting larger coils into narrower strips. They offer excellent resistance to high-temperature oxidation and thermal fatigue. These coils are ideal for use in applications involving high heat and severe environments.
Produced through high-temperature rolling, making them suitable for heavy-duty applications. They possess high resistance to oxidation, particularly in environments where high heat is a concern. These coils are commonly used in industrial equipment and furnaces.
Cold-formed to achieve a smoother finish and higher strength. These coils are ideal for precision applications, offering improved surface quality and tight tolerance. They maintain excellent resistance to heat and corrosion.
Hot-rolled and then slit into narrow widths for further processing. They offer superior oxidation resistance and high strength at elevated temperatures. These coils are widely used in industries like aerospace and power generation.
Designed for applications requiring high-temperature strength and corrosion resistance. These coils are slit into precise widths and are ideal for high-stress environments. They maintain their mechanical properties even at extreme temperatures.
Manufactured from high-alloy stainless steel, offering excellent resistance to thermal fatigue and oxidation. They are commonly used in applications such as furnaces, kilns, and combustion chambers. The slitting process ensures flexibility for different industrial needs.
Stainless Steel 446 Coils find extensive application in high-temperature resistant and durable industries like power generation, heat treatment, and chemical processing. They find applications in furnace linings, heat exchangers, incinerators, and cement production because they are resistant to oxidation and scaling. They also find applications in exhaust systems, refractory supports, and thermal processing equipment, where there is frequent exposure to harsh chemicals and extreme heat. Their higher thermal stability, corrosion resistance, and mechanical durability make them a perfect option for demanding industrial uses.
Stainless Steel 446 Coils are supplied with certificates from mill tests like EN 10204 3.1 or 3.2 to ensure conformity with international quality norms. Coils are tightly packaged in wooden crates, plastic wraps, or coil spacers to avoid damage during shipment. Delivery schedules are adjusted according to order volume and destination, with effective logistics ensuring timely delivery. Packaging options can be provided as per customers’ special requirements upon request to ensure the coils reach the customers in the best possible condition.
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