Home > Sheet and Plates > Stainless Steel 409 Sheet and Plates
Weston Stainless, Midland, UK is a leading supplier of premium stainless steel products, offering reliable solutions for various industries. One of its key offerings, Stainless Steel 409 Sheet and Plates, is made from grade 409 stainless steel, a ferritic alloy known for its excellent oxidation resistance and moderate corrosion protection. These sheets and plates are available in hot-rolled, cold-rolled, and custom-cut forms, ensuring versatility across applications. Produced from iron, chromium, and minute quantities of nickel, they possess better weldability, high-temperature properties, and affordability, suitable for use in the automotive, construction, and industrial sectors.
Stainless Steel 409 Sheet and Plates have 10.5-11.75% chromium, 0.5% nickel, 0.03% carbon, and traces of manganese, silicon, and nitrogen, with moderate corrosion resistance and excellent oxidation resistance. Their mechanical characteristics are a tensile strength of 380-450 MPa, yield strength of 170 MPa, and hardness of up to 89 HRB for durability in harsh environments. 7.8 g/cm³ density and a melting point of about 1530°C make their sheets and plates a good thermal expansion, conductivity, and wear resistance with good usage in high-temperature applications.
Specifications< ASTM A240 / ASME SA240
Size : 1/4″ to 4″
Range : 5mm To 150mm
Thickness : 4.0mm – 100mm
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Finish : Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form : Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)
| Element | Content |
|---|---|
| Carbon | 0.08 maximum |
| Manganese | 1.00 maximum |
| Phosphorus, maximum | 0.045 maximum |
| Sulfur, maximum | 0.045 maximum |
| Silicon | 1.00 maximum |
| Nickel | 0.5 |
| Chromium | 11.75 |
| Molybdenum | – |
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Ti |
|---|---|---|---|---|---|---|---|---|---|
| SS 409 | 0.030 max | 0.5 max | 1 max | – | 0.020 max | 1 max | 0.040 max | 10.5 – 11.7 | 6*(%C+%N |
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Good oxidation resistance and strength. These are applied in automotive exhaust systems, heat exchangers, and many more high-temperature applications that require durability.
Available with a smooth, precise finish, which provides enhanced mechanical properties, applied in automobile parts, industrial applications, and structural components that require a clean, flat surface.
Applied where slip resistance and durability is required, including flooring and stair treads. It combines the strength with the corrosion resistance so it can be applied in either industrial or commercial applications.
Used in filtration, ventilation, and aesthetic applications. They are strong and resistant to corrosion, with functional perforations that allow for the design of various custom and structural applications in high-temperature conditions.
Ensure the accuracy and rigidity to the machinery and structural parts. Owing to its properties of resistance to high temperature and corrosion, it is widely used in automobile and industrial applications where such accurate distance and alignment are a must.
Feature a bright, shiny surface suitable for decorative and architectural purposes. They exhibit good resistance to oxidation and corrosion and can be used for aesthetic as well as functional purposes in any environment.
Stainless Steel 409 Sheet and Plates are extensively applied in automobile exhaust systems, catalytic converters, mufflers, and heat exchangers due to their ability to withstand high temperatures and oxidation. They find application in construction, structural elements, railway fittings, and petrochemical units, providing long life in hostile environments. Sheets and plates of Stainless Steel 409 are perfectly suited for use in industrial furnaces, farm equipment, and welded fabrications, where the requirements are for moderate corrosion resistance and economy. Their thermal cycling, mechanical stress, and chemical exposure resistance makes them applicable to a broad spectrum of engineering applications.
Weston Stainless offers mill test certificates (MTC) according to EN 10204 3.1/3.2, adhering to material and mechanical standards. Sheets and plates are safely packaged in wooden pallets, waterproof covering, or special packaging to avoid damage in transit and storage. With its effective supply chain and international logistics network, the company promises on-time delivery while exercising rigorous quality control to ensure industry standards and customer needs.
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