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Adam Stainless, located in Canberra, Australia, stands out as a top-notch manufacturer and supplier of premium stainless steel products, with a particular focus on Stainless Steel 309H Sheets and Plates. These products are celebrated for their remarkable durability, resistance to corrosion, and outstanding performance even at high temperatures, making them perfect for the demanding needs of both industrial and commercial sectors. By blending precision engineering with cutting-edge manufacturing techniques, Adam Stainless guarantees superior quality, consistency, and reliability. The company proudly serves a variety of industries across Australia, dedicated to providing products that meet strict international standards, which makes them a go-to partner for projects that require long-lasting and high-performance stainless steel solutions.
Stainless Steel 309H Sheets and Plates are primarily made up of iron, chromium (23–25%), and nickel (12–15%), along with small amounts of manganese, silicon, and carbon. The higher carbon content boosts its strength at elevated temperatures, making it an excellent choice for furnace components and heat exchangers. In terms of mechanical properties, 309H boasts a tensile strength ranging from 620 to 850 MPa, a yield strength of about 310 to 450 MPa, and an elongation of 35 to 40%. Its impressive oxidation resistance and thermal stability up to 1,200°C ensure dependable performance in extreme conditions, while still allowing for good formability and weldability across various industrial 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.
Adam Stainless is a leading supplier and stockist of high-quality stainless steel 309H sheet and plates in Canberra, Australia. 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.
Industries that require high-temperature resistance and durability widely utilize Stainless Steel 309H Sheets and Plates. They are particularly suited for furnace parts, kilns, heat exchangers, gas burners, and combustion chambers, thanks to their ability to endure thermal cycling without losing shape. Moreover, they find applications in chemical processing plants, power generation, petrochemical equipment, and food processing machinery, where corrosion resistance and structural integrity are paramount. Their versatility also extends to architectural projects that demand both strength and visual appeal. Adam Stainless is committed to ensuring these products meet the highest standards.
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