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Harshita Stainless is a well-respected manufacturer and supplier of Stainless Steel 309H Sheets and Plates, meeting the industrial needs of clients in both Dubai and India. Located in Delhi, India, the company has built a solid reputation for producing top-quality stainless steel products that deliver exceptional strength, heat resistance, and corrosion resistance. The Stainless Steel 309H Sheets and Plates are specifically engineered for high-temperature applications, making them perfect for demanding operating conditions. With a focus on precise manufacturing standards, timely delivery, and unwavering quality, Harshita Stainless caters to a variety of industries, including petrochemical, power generation, refinery, and thermal processing.
These Stainless Steel 309H Sheets and Plates are primarily made up of iron, featuring 22–24% chromium and 12–15% nickel, along with a higher carbon content than standard 309 to enhance high-temperature strength. They boast a tensile strength of around 550 MPa and a yield strength of approximately 220 MPa. Their excellent resistance to oxidation, thermal fatigue, and creep deformation at temperatures reaching up to 1000°C makes them ideal for structural and pressure-bearing applications.
| Specifications | : | ASTM A240 / ASME SA240 |
| Standard | : | ASTM, ASME and API |
| Thickness | : | 4.0mm – 100mm |
| Specialize | : | Shim Sheet, Perforated Sheet, B. Q. Profile. |
| Form | : | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness | : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Grade | : | SS 309H, (UNS S30909) |
| Grade | Si | Cr | Ni | Mn | Si | C | P | S |
| SS 309H | 0.75 | 22.0-24.0 | 12.0-15.0 | 2.00 | 0.75 | 0.04-0.10 | 0.045 | 0.030 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 309H | 515 | 205 | 40 | 95 | 217 |
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Due to excellent corrosion resistance, these sheets are manufactured at very high temperatures. Mechanical properties are improved by that manufacturing process. They are available with thicknesses in range of 3 mm up to 50 mm and width up to 2000 mm for structural and industrial applications.
The cold rolled plates were produced at room temperature with a polish finish. The plates come in various thicknesses from 0.5 mm to 6 mm and widths as much as 1500 mm making it very ideal for precision and aesthetic purposes.
These plates offer excellent corrosion resistance and a textured surface for improved grip and slip resistance. They are usually available in thicknesses from 3 mm to 10 mm and dimensions up to 2000 mm x 1000 mm, and are used in flooring and safety applications.
The perforated sheet has strong resistance to corrosion with various hole patterns for functional as well as for aesthetic purposes. Sizes are commonly between 0.5 and 6 mm in thickness, and up to 2000 mm x 1000 mm in dimensions to be used in filtration and ventilation.
These thin sheets give good corrosion resistance and are applied to spacing and levelling accurately. The availability is as thin as 0.1 mm, with up to 1000 mm width. These sheets are of crucial use for aligning machinery and construction work.
Polished plates offer excellent resistance to corrosion with a highly reflective finish through polishing. They have thicknesses in the range of 1-20 mm, and their dimensions could go up to 2000 mm x 1000 mm, commonly being used in decoration and architecture applications.
Harshita Stainless is a leading supplier and stockist of high-quality stainless steel 309H sheet and plates in Dubai, India. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
You’ll find Stainless Steel 309H Sheets and Plates commonly used in environments that experience high heat and corrosive conditions. Typical applications include furnace linings, boiler components, heat exchangers, thermal processing equipment, and chemical plant infrastructure. These sheets and plates are prized for their durability, thermal stability, and resistance to scaling and corrosion. Industries in Dubai and India rely on 309H stainless steel for its long service life, consistent performance, and dependability in high-temperature and high-stress situations.
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