Walid Stainless, located in Tunis, Tunisia, is a reputable manufacturer and supplier of top-notch stainless steel products, including Stainless Steel 309S bars. Renowned for their precision, durability, and reliable performance, Walid Stainless offers bars that are perfect for industrial, structural, and high-temperature applications. These Stainless Steel 309S bars are crafted in line with international standards, guaranteeing dimensional accuracy, mechanical strength, and long-lasting reliability. With a strong technical background and a commitment to customer satisfaction, Walid Stainless caters to clients throughout Tunisia and beyond.
Stainless Steel 309S is an austenitic stainless steel alloy that contains about 23% chromium and 13% nickel. This unique blend gives it outstanding oxidation and corrosion resistance, especially at high temperatures, while also ensuring good tensile and yield strength. The bars are known for their exceptional durability, heat resistance, and dimensional stability, making them ideal for structural and high-temperature uses. Stainless Steel 309S retains its mechanical properties and toughness even under thermal stress and in oxidizing 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.
These Stainless Steel 309S bars find extensive use in industries that demand high-temperature strength, corrosion resistance, and dependable performance. Typical applications include components for furnaces, heat exchangers, boilers, chemical processing equipment, and architectural structures that face high temperatures. They are also utilized in shafts, fasteners, and structural frameworks where durability and heat performance are essential. With their excellent mechanical properties and low maintenance needs, Stainless Steel 309S bars offer efficient, safe, and long-lasting solutions for challenging industrial and high-temperature applications.







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