Home > Sheet and Plates > Stainless Steel 440B Sheet and Plates
Adam Stainless, located in Canberra, Australia, stands out as a top manufacturer and supplier of high-quality stainless steel products, including their renowned Stainless Steel 440B Sheets and Plates. Known for their precision engineering and impressive durability, Adam Stainless guarantees that every product adheres to strict quality standards, serving both industrial and commercial needs. With a strong commitment to customer satisfaction, the company offers customized solutions tailored to specific project requirements. Their 440B Sheets and Plates are celebrated for their exceptional hardness, corrosion resistance, and wear performance, making them perfect for applications where strength and reliability are paramount.
Stainless Steel 440B is a high-carbon martensitic stainless steel, featuring around 0.75–0.95% carbon, 16–18% chromium, along with trace amounts of manganese, silicon, and molybdenum. This unique composition endows 440B Sheets and Plates with outstanding hardness, tensile strength, and wear resistance after heat treatment. It also boasts good corrosion resistance in moderately aggressive environments and can achieve a high polish finish. Mechanically, it provides tensile strength ranging from 860 to 1,050 MPa, hardness levels of 58 to 60 HRC, and moderate ductility, making it ideal for components that require both toughness and precision.
| 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 Adam 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.
You’ll find Stainless Steel 440B Sheets and Plates widely utilized in industrial and engineering applications where high strength and wear resistance are crucial. Common uses include precision instruments, knives, valve components, bearings, and surgical instruments. Its remarkable hardness and corrosion resistance also make it a great choice for tooling, die components, and mechanical parts that face friction and wear. Additionally, 440B is used in marine hardware, automotive parts, and aerospace components, delivering reliable performance even in harsh environments while ensuring dimensional stability and longevity. Its versatility makes it a go-to material for both functional and aesthetic applications.
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