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Offering premium high-temperature stainless steel solutions for industrial applications, Daksh Sheets and Plates is a top manufacturer and supplier of Stainless Steel 347H Sheets and Plates in Delhi, India. Stainless Steel 347H is well-known for its exceptional resistance to heat and corrosion, making it perfect for applications where high temperatures are present both continuously and sporadically. Daksh offers precisely engineered 347H plates and sheets that satisfy global quality requirements. Daksh supplies dependable, long-lasting, and customised stainless steel products to the petrochemical, power generation, and thermal processing industries throughout India with cutting-edge facilities and a dedication to customer satisfaction.
Stabilised austenitic stainless steel with 17–20% chromium, 9–13% nickel, and 0.04–0.10% carbon, as well as columbium (niobium) for stabilisation, is used to make stainless steel 347H sheets and plates. Superior resistance to intergranular corrosion following welding or exposure to high temperatures is provided by this composition. The material has a yield strength of about 205 MPa and a tensile strength of 515–690 MPa. It is a dependable option for heat exchangers, pressure vessels, and other high-temperature applications because it maintains exceptional creep resistance and mechanical integrity at high temperatures.
| 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.
In high-temperature settings where corrosion resistance and structural stability are essential, stainless steel 347H sheets and plates are widely used. Heat exchangers, boiler parts, furnace parts, pressure vessels, and exhaust systems are examples of common applications. They are perfect for use in the petrochemical, refinery, power generation, and thermal processing industries because of their exceptional creep strength and oxidation resistance. The 347H is appropriate for high-stress, elevated-temperature situations due to its resilience to repeated heating and cooling cycles. It is also utilised in marine and aerospace applications where long-term performance under heat exposure and durability are crucial.
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