Home > Sheet and Plates > Stainless Steel 309H Sheet and Plates
Andre Stainless is a well-respected manufacturer and supplier located in Singapore, specifically on Pulau Ujong. They’ve built a solid reputation for providing top-notch stainless steel products, including Stainless Steel 309H Sheets and Plates. With a strong foothold in Dubai, UAE, the company caters to a wide range of clients across different industries. Renowned for their precision engineering and commitment to quality, Andre Stainless ensures that their products not only meet international standards but also fulfill customer needs. Their 309H stainless steel sheets and plates are particularly celebrated for their durability, high-temperature resistance, and outstanding performance, making them a go-to choice for demanding industrial applications throughout the Middle East and beyond.
The composition of Stainless Steel 309H Sheets and Plates primarily includes chromium (22–24%), nickel (12–15%), and carbon (0.04–0.10%), with iron as the base element. This unique blend provides remarkable oxidation resistance and strength at elevated temperatures. In terms of mechanical properties, they boast a tensile strength of about 550 MPa, a yield strength of 205 MPa, and an elongation of 40%. This alloy maintains its integrity even under thermal cycling and is engineered to endure high-pressure conditions, making it perfect for heat-intensive processes while ensuring reliability and structural performance over extended use.
| 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.
Andre Stainless is a leading supplier and stockist of high-quality stainless steel 309H sheet and plates in Pulau ujong, Singapore. 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.
Stainless Steel 309H Sheets and Plates find extensive application in areas that demand exceptional heat and corrosion resistance. These include industrial furnaces, heat exchangers, petrochemical processing, boiler components, and thermal oxidizers. Their ability to resist scaling and maintain strength at high temperatures makes them ideal for high-pressure steam systems and power generation plants. Additionally, they are used in constructing refinery equipment and kilns. Their durability and long service life in extreme conditions make them a valuable asset in both the chemical and energy sectors, not just in Dubai, UAE, but around the world.
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