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Hashmi Sheets and Plates is a trusted manufacturer and supplier of quality stainless steel in Doha, Qatar. We specialize in stainless steel 440B sheets and plates, offering durable, corrosion resistant products suitable for a wide range of applications. Our products are known for exceptional strength, reliability and versatility, making them ideal for demanding applications. With a commitment to quality and customer satisfaction, we offer customized solutions to meet your specific needs at competitive prices.
Stainless Steel 440B Sheet and Plates is a high carbon, chromium-based alloy known for its excellent toughness, strength and corrosion resistance. Its composition contains about 16-18% chromium, 0.75-1.00% carbon, and traces of manganese, silicon and phosphorus. This combination gives the 440B exceptional resistance to corrosion, oxidation and high temperatures. Mechanical properties of stainless steel 440B include tensile strength of 700-850 MPa, yield strength of 205 MPa and strength up to 58 HRC Ideal for applications requiring corrosion resistance and strength high quality, such as valves, shafts and tools.
| 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.
Stainless Steel 440B Sheet and Plates has exceptional hardness, strength and wear resistance, making it ideal for heavy-duty applications Its high chromium content (16-18%) ensures excellent corrosion and oxidation resistance even in harsh environments. The alloy retains good strength at high temperatures and provides good abrasion resistance, making it suitable for use in tool making, valves and machine parts Stainless steel 440B is also highly versatile, for easy machining and polishing, go with profitability in automotive, aerospace and construction Increases.
Stainless steel 440B sheets and plates are primarily used in applications requiring high durability and excellent corrosion resistance. It is commonly used in the manufacture of precision tools, knives, surgical instruments and bearings. Due to its high carbon content it provides exceptional corrosion resistance, making it suitable for heavy duty applications in automotive, aerospace and manufacturing Its ability to withstand oxidation and turbidity makes it ideal for medical devices, valve components and fittings for harsh environmental conditions
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