Weston Stainless, Midland, UK is a topmost distributor of stainless steel products, offering premium-quality stainless steel products to various industrial requirements. One such top-grade product, Stainless Steel 409 Coils, is manufactured using grade 409 stainless steel, which is a ferritic alloy. Being well-established for its superior oxidation and corrosion resistance, this coil can be found in hot-rolled, cold-rolled, and slit-edge types to ensure versatility across the board. Made up mostly of iron, chromium, and minute quantities of nickel, these coils have better weldability, moderate strength, and resistance to high temperatures, making them suitable for automotive exhaust systems, heat exchangers, and structural uses.
Stainless Steel 409 Coils have 10.5-11.75% chromium, 0.5% nickel, 0.03% carbon, and trace quantities of manganese, silicon, and nitrogen, with moderate corrosion resistance and superior oxidation resistance at high temperatures. Their mechanical properties consist of a tensile strength ranging from 380-450 MPa, yield strength of 170 MPa, and up to 89 HRB hardness, guaranteeing resistance in challenging conditions. Their density is 7.8 g/cm³ and melting point is approximately 1530°C, making them have good thermal expansion and conductivity, hence applicability in heat-resistant use.
| 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. |
| 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 |
| Grade | C | Ni strong> | Si | S | Mn | P | Cr | Ti | |
| SS 409 | Min | – | – | – | – | – | – | 10.5 | 6x C |
| MAX | 0.08 | 0.5 | 1.00 | 0.045 | 1.00 | 0.045 | 11.75 | 0.75 | |
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High strength and robust performance. They are perfect for automotive and industrial applications. The corrosion resistance is excellent and the high-temperature stability is high.
Durability and corrosion resistance along with precision cutting. They are perfect for use in automotive and industrial applications, providing high performance, excellent strength, and versatility in various uses.
Versatile stainless steel products characterized by excellent corrosion resistance and durability. Perfect for applications such as in automobiles and the industries, it represents reliable performance along with ease in fabricating.
Stainless Steel 409 Coils are used extensively in automobile exhaust systems, mufflers, catalytic converters, and heat exchangers, where high-temperature resistance and oxidation resistance are essential. They are also utilized in building construction, railway equipment, petrochemical plants, and agricultural equipment, providing durability and cost savings. The coils are best suited for industrial furnaces, gas turbines, and structural reinforcements, where average corrosion resistance and weldability are needed. Their resistance to thermal cycling, mechanical stress, and chemical exposure makes them a choice of preference in a number of engineering and manufacturing applications.
Weston Stainless offers mill test certificates (MTC) according to EN 10204 3.1/3.2, adhering to material and mechanical specifications. The coils are safely packaged in wooden pallets, waterproof wrapping, or special packaging to avoid damage during storage and transportation. With its robust supply chain and international logistics network, the company ensures prompt delivery while upholding rigorous quality control to adhere to international industry standards and customer specifications.
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