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In the heart of Nigeria’s bustling capital, Akor Stainless stands as a trusted partner for industrial and construction needs, providing high-grade materials like the Stainless Steel 309H Sheet and Plates. We understand that your projects demand reliability and performance, which is why we ensure our 309H products meet the highest standards. Sourced with integrity and supplied with a commitment to service, we are your go-to source in Abuja for materials that are built to endure the most challenging environments, supporting the growth and durability of local industry.
The composition of Stainless Steel 309H is expertly balanced, with a higher chromium and nickel content than typical 304 grades, and a crucial addition of silicon. This specific chemistry gives it exceptional resistance to oxidation and corrosion, especially under high temperatures. Mechanically, these sheets and plates are known for their impressive strength and durability at elevated temperatures, maintaining their structural integrity where other steels might fail. This makes them a robust and reliable choice for applications involving intense, sustained heat.
| 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.
Akor Stainless is a leading supplier and stockist of high-quality stainless steel 309H sheet and plates in Abuja, Nigeria. 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 typically find Stainless Steel 309H Sheet and Plates hard at work in demanding high-temperature environments. They are the material of choice for critical components like furnace parts, heat exchangers, and industrial oven linings. Beyond thermal applications, their superior corrosion resistance makes them suitable for chemical processing equipment and components in the power generation industry. Essentially, wherever extreme heat and corrosive elements are a concern, 309H provides the long-lasting performance needed to keep operations running smoothly and safely.
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