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Based in Delhi, India, Vipul Sheets and Plates is a well-known producer and supplier of premium stainless steel 321H sheets and plates that are made to withstand the harsh conditions of corrosive and high-temperature environments. Vipul Sheets and Plates is known for its accuracy, robustness, and timely service. It produces goods that meet international quality standards. Because of its exceptional resistance to creep and stress rupture, stainless steel 321H, a stabilised austenitic alloy, is perfect for service at high temperatures. Vipul Sheets and Plates guarantees performance-driven solutions suited to a variety of industrial applications, catering to sectors like petrochemical, power generation, and aerospace.
Chromium (17–19%), nickel (9–12%), carbon (0.04–0.10%), titanium (at least five times the carbon content), and iron make up the base elements of stainless steel 321H sheets and plates. After being exposed to high temperatures, this stabilised alloy exhibits exceptional resistance to intergranular corrosion. It has a mechanical tensile strength of about 515 MPa, a yield strength of about 205 MPa, and an elongation of at least 40%. 321H is especially well-suited for high-temperature settings in welded pressure vessels and heat exchanger systems due to its improved creep strength and strong resistance to oxidation.
| 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 321H | 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 321H | 1.4878 | S32109 | SUS 321H | 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 321H sheets and plates provide excellent corrosion resistance, especially in high-temperature environments. They are extremely durable, resistant to oxidation, and are curing up to 870°C (1600°F). The intergranular corrosion resistance makes them ideal for welding-related applications. The stability of the composite is enhanced by the addition of titanium, which helps prevent carbide precipitation. Stainless steel 321 is also known for its durability, durability and ability to maintain structural integrity under extreme conditions. These properties make it suitable for industries such as aerospace, chemical and power generation.
High-temperature and corrosive service applications make extensive use of stainless steel 321H sheets and plates. They are extensively used in boiler components, furnace parts, heat exchangers, and welded pressure vessels that operate at temperatures higher than 538°C. 321H is utilised in refineries, reactors subjected to thermal cycling, and piping systems in the petrochemical and oil and gas sectors. These plates are used for exhaust manifolds, jet engine parts, and other heat-resistant structural elements in the marine and aerospace industries. Because 321H is stable against carbide precipitation, it can also be used in chemical plants, pharmaceutical equipment, and food processing, where resistance to high temperatures and hygienic conditions is crucial.
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Delhi, India
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