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Yunus Sheets and Plates, based in Istanbul, Turkey, is a reputable manufacturer and supplier of top-notch stainless steel products, including Stainless Steel 440B Sheets and Plates. The company is well-regarded for providing materials that are high in hardness, wear-resistant, and corrosion-resistant, catering to various industries that demand exceptional performance in tough conditions. Stainless Steel 440B is known for its impressive edge retention, heat treatability, and strength, making it perfect for tooling, cutting instruments, and mechanical components. With a strong focus on quality and precision, Yunus Sheets and Plates produces 440B Sheets and Plates that meet international standards, ensuring reliability, durability, and customer satisfaction in every application.
Stainless Steel 440B Sheets and Plates are high-carbon martensitic stainless steels made up of Chromium (16–18%), Carbon (0.75–0.95%), along with trace amounts of Manganese, Silicon, and Molybdenum. The elevated carbon content allows for heat treatment, resulting in enhanced hardness and wear resistance. Typical mechanical properties include a tensile strength ranging from 740 to 950 MPa, a yield strength of 450 MPa, and an elongation of 12 to 18%. 440B offers moderate corrosion resistance and outstanding mechanical strength, especially when hardened and tempered. These characteristics make it an excellent choice for applications that require high surface durability and structural integrity.
| Specifications | ASTM A240 / ASME SA240 |
|---|---|
| Width | 1000mm / 1219mm /1250mm / 1500mm / 2000mm |
| Length | 2000 mm / 2440 mm / 2500 mm / 3000 mm / 6000 mm |
| Thickness | 0.1mm to 12 mm Thk |
| 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 | Coils, Foils, Rolls, Plain Sheet, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| 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 |
| Grade | DIN | UNS | EN |
| 440B | 1.4112 | S44003 | X90CrMoV18 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Yunus Sheets and Plates based in Istanbul, Turkey, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Yes, we offer custom sizes for Stainless Steel 440B Sheet and Plates to meet specific project needs. Our team at Yunus Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Stainless Steel 440B Sheets and Plates find extensive use in applications that demand a blend of high hardness, wear resistance, and moderate corrosion resistance. They are commonly found in knife blades, surgical instruments, industrial cutting tools, and dies. In the mechanical and engineering sectors, 440B is utilized in valve components, bearings, shafts, and mold inserts. Its heat treatable nature makes it particularly suitable for parts that need to withstand rigorous conditions.
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