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Aditya Stainless stands out as a top-notch manufacturer and supplier of Stainless Steel 440B Sheets and Plates, proudly rooted in Kolkata, India. This high-carbon, high-chromium martensitic stainless steel is crafted to provide outstanding hardness, wear resistance, and strength after heat treatment. Aditya Stainless offers 440B Sheets and Plates in a variety of thicknesses, widths, and finishes, all tailored to meet the rigorous demands of various industries. Built to meet strict international standards, these products ensure consistent mechanical performance and precise dimensions. From cutlery and tooling to petrochemicals, automotive, and precision engineering, industries rely on Aditya Stainless 440B Sheets and Plates for their durability, dependable performance, and extended service life.
The 440b high-carbon chromium steel of stainless steel has the characteristic properties of high strength and corrosion resistance. Its chemical composition is 0.6-0.75% carbon and 16-18% chromium, and contains traces of manganese, silicon and phosphorus. Some of its properties are: it has tensile strength and corrosion resistance are very good while the corrosion resistance is moderate; and it has high temperature stability. It is capable of heating treatment to increase hardness. This makes it useful for applications requiring sharp edges and resistance to wear and tear.
| Specifications | ASTM A240 / ASME SA240, BS EN 10088-2, en 10028-7, IS 6911 |
|---|---|
| Plates Dimension Standard | MSRR, AMS, BS, JIS, AISI, ASTM, GB, DIN, EN, etc |
| Plates Thickness | 0.3 mm to 120 mm |
| Plates Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Plates Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Finish | 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
| Hardness | Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
| Profiling | Plasma Plate Cutting, Laser Plate Cutting, Oxy-propane Flame Cutting |
| Grade | C | Mn | Si | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| 440B | 0.6 -0.75 | 1.00 max | 1.00 max | 0.04 max | 0.030 max | 16.00 -18.00 | – |
| Tempering Temperature (°C) | Tensile Strengtd (MPa) | Yield Strengtd 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) |
|---|---|---|---|---|---|
| Annealed* | 758 | 448 | 14 | 269HB max | – |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 316 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
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The excellent corrosion resistance provided by Stainless Steel 440B Hot Rolled Sheets ensures that it can be delivered in sizes between 3mm up to 150mm thickness, and in up to 2500mm width, for use where high strength and resistance to wear is required.
Cold-rolled stainless steel plates 440B have excellent corrosion resistance and a bright finish. These plates are available in a thickness range of 0.3mm to 6mm and widths up to 2000mm, which makes them ideal for precision applications that require tight tolerances.
Stainless Steel 440B Chequered Plates, with raised patterns for improved grip, are resistant to corrosion. The thicknesses available are 1.5mm to 10mm, and the widths go up to 1500mm, which is perfect for flooring and stair treads.
The perforated sheets are made from Stainless Steel 440B, providing corrosion resistance and ventilation. Generally available in a thickness range of 0.5mm to 3mm, and sheet sizes up to 2000mm x 4000mm, the perforated sheets are used for filtration, architectural, and decorative applications.
Stainless Steel 440B Shim Sheets are corrosion resistant and find applications in fine adjustment of machines and tools. The sheets have a thickness ranging from 0.05mm to 3mm and come in standard sizes such as 1000mm x 2000mm.
The 440B Polished Plates of Stainless Steel offer corrosion resistance along with an excellent aesthetic appeal, and are offered in a variety of thicknesses between 1mm and 50mm and widths up to 2000mm, especially for decorative and architectural applications.
At Aditya Stainless, we give prime importance to quality along with great customer service backed up by rich documentation of the excellent Stainless Steel 440B Sheets and Plates that we deliver. We give essential documents that include the commercial invoice, the packing list, fumigation certificate, heat treatment chart, quality assurance plan, and a lab test report NABL approved. Such rich documentation of these premium quality products increases trust and confidence in the product from the most valued customers’ side. Besides, we provide Stainless Steel 440B Sheets and Plates with different test certificates, such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate, as a reflection of our commitment to excellence and customer satisfaction.
Stainless Steel 440B Sheets and Plates are applied where strength along with resistance to wear is very much in demand. Some common applications are for manufacturing blades, cutting tools, surgical instruments because of the exceptional hardness along with edge retention. Industrial machinery, automobile parts, valves are other application areas because they need the presence of a great deal of strength along with corrosion resistance. They are used in aerospace as well as defence applications where there is a demand for making components which need high performance at extreme conditions.
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