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Saif Sheets and Plates, a well-respected manufacturer and supplier located in Muscat, Oman, specializes in high-quality Stainless Steel 347H Sheets and Plates that are engineered for outstanding performance in high-temperature and corrosive settings. This particular grade of stainless steel, 347H, is a stabilized austenitic type known for its remarkable resistance to intergranular corrosion and its ability to endure elevated temperatures thanks to its higher carbon content. Our sheets and plates are crafted with precision, ensuring a superb surface finish, exact dimensions, and exceptional durability. With rigorous quality standards and cutting-edge production technology, Saif Sheets and Plates provides dependable 347H stainless-steel solutions for critical industrial applications.
Stainless Steel 347H Sheet and Plates is a high-carbon 347, providing high strength and excellent resistance to intergranular corrosion at elevated temperatures Its composition contains chromium (17-19%), nickel (9-12%), and trace amounts of columbium ( 0. and contain 5-1%), as well as traces of manganese, silicon, and carbon Mechanical properties include 515 MPa (min) tensile strength, 205 MPa (min) yield strength, 40% (min) elongation It maintains high oxidation and corrosion resistance, making it ideal for applications in high-temperature environments and applications requiring durability and it lasts.
| 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 are composed of chromium, nickel, and niobium (columbium) stabilizers, along with a higher carbon content that boosts high-temperature strength. This alloy boasts impressive tensile and yield strength, good creep resistance, and reliable structural stability even under continuous high-temperature conditions. It effectively resists intergranular corrosion after welding and exposure to high heat. Moreover, 347H maintains good toughness, oxidation resistance, and formability, making it an excellent choice for thermal processing equipment and pressure-containing applications where long-term mechanical stability is crucial.
Stainless Steel 347H Sheets and Plates find extensive use in petrochemical plants, power generation facilities, refineries, and high-temperature chemical processing systems due to their outstanding thermal resistance. They are perfect for heat exchangers, boiler components, furnace parts, superheater tubes, and exhaust systems. Various industries depend on 347H for applications that involve continuous exposure to high heat, pressure, and corrosive environments. Additionally, these plates are utilized in aerospace, pharmaceutical processing, food equipment, and structural components that require durability and reliability.
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