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Hashmi Sheets and Plates is a trusted manufacturer and supplier of Stainless Steel 347H Sheets and Plates in Doha, Qatar, serving industries that require superior high-temperature strength and corrosion resistance. This niobium-stabilized austenitic stainless steel is designed to resist intergranular corrosion during welding and prolonged thermal exposure. Our Stainless Steel 347H Sheets and Plates are precision fabricated to ensure uniform thickness, smooth surface finish, and dimensional accuracy. With timely delivery, technical support, and a customer-focused approach, Hashmi Sheets and Plates supports chemical, power generation, aerospace, and industrial high-temperature projects across Qatar.
Stainless Steel 347H is an austenitic stainless steel alloy containing chromium, nickel, and niobium. The high carbon content, combined with niobium stabilization, provides excellent tensile and yield strength at elevated temperatures while preventing carbide precipitation. Mechanically, it offers excellent creep and fatigue resistance, good toughness, and dimensional stability under prolonged thermal exposure. These properties make it ideal for high-temperature applications where both strength and corrosion resistance are critical.
| Specifications | : | ASTM A240 / ASME SA240 |
| Thickness | : | 4mm-100mm |
| Width | : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface | : | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, 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, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 347H | 1.4961 | S34709 | SUS 347H | X12CrNiTi18-9 |
| 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 |
| Surface Finish | Definition | Application |
|---|---|---|
| 2B | Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. | Medical equipment, Food industry, Construction material, Kitchen utensils. |
| BA | Those processed with bright heat treatment after cold rolling. | Kitchen utensils, Electric equipment, Building construction. |
| NO.3 | Those finished by polishing with No.100 to No.120 abrasives specified in JIS R6001. | Kitchen utensils, Building construction. |
| NO.4 | Those finished by polishing with No.150 to No.180 abrasives specified in JIS R6001. | Kitchen utensils, Building construction, Medical equipment. |
| HL | Those finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size. | Building Construction. |
| NO.1 | The surface finished by heat treatment and pickling or processes corresponding there to after hot rolling. | Chemical tank, pipe |
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 347H sheets and plates offer many benefits, making them ideal for high-temperature environments. High carbon content increases strength, while the presence of columbium improves intergranular corrosion resistance especially in welded structures Its excellent oxidation and corrosion resistance makes it suitable for petrochemical power generation and aerospace applications. Furthermore, 347H exhibits excellent weldability, making it easy to manufacture. The material also maintains structural integrity at high temperatures, ensuring durability and reliability in demanding applications. These features make the 347H the ideal choice for critical, high-performance applications.
Stainless Steel 347H Sheets and Plates are widely used in high-temperature and corrosive environments. Common applications include boiler components, heat exchangers, furnace parts, chemical processing equipment, and aerospace components. They are also applied in power generation plants, petrochemical facilities, and industrial furnaces. The alloy’s excellent oxidation resistance, weldability, and high-temperature strength make Stainless Steel 347H Sheets and Plates a dependable choice for demanding industrial and engineering applications where long-term performance and structural integrity are essential.
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