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Boikanyo Sheets and Plates, located in Cape Town, South Africa, is a reputable manufacturer and supplier of stainless steel 348H sheets and plates. They provide high-performance materials that are specifically designed to excel in high-temperature environments, offering impressive strength, oxidation resistance, and durability. The company utilizes advanced rolling and heat-treatment techniques to produce precision-engineered 348H sheets and plates, ensuring they have a consistent thickness, a smooth surface finish, and outstanding mechanical properties. These stainless steel products are perfect for demanding applications in power generation, chemical processing, and industrial settings where reliable performance is crucial, especially under prolonged exposure to high temperatures and corrosive conditions.
Stainless steel 348H sheets and plates are titanium-stabilized austenitic stainless steels, featuring 17–19% chromium, 9–12% nickel, and titanium, along with a higher carbon content (0.05–0.10%) that boosts their high-temperature strength. They boast a tensile strength ranging from 515–690 MPa and a yield strength of 205–310 MPa, along with excellent creep resistance, thermal stability, and resistance to oxidation and intergranular corrosion. The titanium stabilization helps prevent carbide precipitation, which in turn maintains both corrosion resistance and structural integrity during welding and high-temperature applications.
| 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 | Mn | P | C | S | Cr | Si | Ni | Fe | Co |
| SS 348H | 2.00 | 0.045 | 0.04-0.10 | 0.030 | 17.00-19.00 | 0.75 | 9.00-13.00 | – | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 348H | 1.4546 | S34809 |
| Material | Size | Thickness |
| PLATES & SHEETS | 1000 mm x 2000 mm | 0.1mm To 100 mm Thickness |
| 1220 mm x 2440 mm (4′ x 8′) | ||
| 1250 mm x 2500 mm | ||
| 1500 mm x 3000 mm | ||
| 2000 mm x 4000 mm | ||
| 2000 mm x 2000 mm |
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 348H sheets and plates provide excellent high-temperature corrosion resistance, making them ideal for applications in industries such as aerospace and chemical processes Strength and stability are retained under a variety of conditions in severe cases, especially in sulfur compounds. The alloy’s increased intergranular corrosion resistance, and ability to withstand prolonged exposure to high temperatures make it perfect for welded structures Furthermore, stainless steel 348H offers durability, ease of manufacture, and excellent oxidation resistance. These characteristics ensure long-term performance and reliability in harsh environments.
These stainless steel 348H sheets and plates find extensive use in furnace components, boiler parts, heat exchangers, chemical processing equipment, and high-temperature industrial frameworks. They’re also utilized in petrochemical plants, power plants, and other environments that experience continuous heat and thermal cycling. The combination of mechanical strength, oxidation resistance, and durability makes 348H sheets and plates ideal for structural supports, ducting, and fabricated components that require long-term reliability and performance in demanding high-temperature conditions.
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