Strategically based in the bustling industrial heart of Cairo, Egypt, Khaled Stainless has built a strong reputation for reliability and expertise in the metals sector. We specialize as a trusted manufacturer and supplier of high-performance alloys, with a dedicated focus on Stainless Steel 309S Bars. Our commitment is to provide local and international clients with consistently superior quality products, backed by deep technical knowledge and a customer-first approach that ensures your projects are built on a foundation of excellence and dependable supply.
The strength of Stainless Steel 309S lies in its carefully balanced composition, which includes higher levels of chromium and nickel than standard 304 grade, along with a low carbon content. This formulation is designed to resist oxidation and scaling, making it exceptionally stable when exposed to high temperatures. It maintains excellent mechanical integrity, including good tensile strength and ductility, even under repeated thermal cycling, ensuring it performs reliably in the most demanding heat-intensive environments.
| Grade | Stainless Steel 309S (UNS 30908) |
| Standard | ASTM A276 / ASME SA276 |
| Diameter | 25mm to 152mm dia |
| Condition | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Finish | Bright, Polish & Black |
| Type | Round/Square/ Hexagonal/ Rectangular |
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 23 |
Nickel, Ni | 14 |
Manganese, Mn | 2 |
Silicon, Si | 1 |
Carbon, C | 0.20 |
Phosphorous, P | 0.045 |
Sulfur, S | 0.030 |
Properties | Metric | Imperial |
Tensile strength | 620 MPa | 89900 psi |
Yield strength (@ strain 0.200%) | 310 MPa | 45000 psi |
Izod impact | 120 – 165 J | 88.5 – 122 ft-lb |
Shear modulus (typical for steel) | 77 GPa | 11200 ksi |
Elastic modulus | 200 GPa | 29008 ksi |
Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
Elongation at break (in 50 mm) | 45% | 45% |
Hardness, Brinell | 147 | 147 |
Hardness, Rockwell B | 85 | 85 |
Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
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We ensures the highest quality of stainless steel 309S tiles through rigorous testing and certification. Each product undergoes extensive testing, including chemical composition, mechanical properties and durability testing. Certified to accepted industry standards, our breweries deliver efficiency, reliability and compliance, making them ideal for complex applications.
Stainless Steel 309S Round Bars are designed for high-temperature applications, offering exceptional oxidation resistance and durability. They are ideal for components in furnaces, heat exchangers, and other high-heat environments.
Stainless Steel 309S Flat Bars provide outstanding heat resistance and strength, suitable for applications such as heat shields, furnace parts, and structural components exposed to high temperatures and corrosive environments.
Stainless Steel 309S Square Bars are used in high-temperature settings where heat resistance and durability are critical. They are commonly employed in manufacturing parts for the aerospace industry, industrial equipment, and heat exchangers.
Stainless Steel 309S Rectangular Bars are ideal for high-temperature applications requiring superior oxidation resistance. They are often used in furnace components, structural supports, and industrial parts that endure extreme heat and corrosive conditions.
Stainless Steel 309S Hexagonal Bars are perfect for applications needing high-temperature performance and corrosion resistance. They are utilized in industrial processes, furnace parts, and equipment subjected to severe thermal conditions.
Stainless Steel 309S T-Bars offer excellent heat resistance and strength, making them suitable for high-temperature structural applications. They are commonly used in heat exchangers, support structures, and furnace components.
Because of its remarkable heat resistance, Stainless Steel 309S Bars are ideally suited for parts that must endure extreme temperatures. You will often find them used in critical components for industrial furnaces, heat treatment equipment, and kiln linings. They are also a go-to material for welding fixtures and high-temperature piping systems in refineries and power plants. Essentially, wherever intense, prolonged heat is a primary concern, these bars provide the necessary durability to maintain structural integrity and long service life.







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