Njabulo Stainless is a reputable manufacturer and supplier of top-notch Stainless Steel 309S Bars, proudly based in Cape Town, South Africa. With a strong focus on precision engineering and a commitment to quality, Njabulo Stainless serves a diverse array of industries by offering stainless steel solutions that are both corrosion-resistant and heat-resistant. The company skillfully blends advanced manufacturing techniques with rigorous quality control to ensure that their products meet both local and international standards. Known for their reliability and excellence, Njabulo Stainless has become the preferred choice for Stainless Steel 309S Bars in Cape Town, catering to sectors such as petrochemical, construction, energy, and marine industries.
The Stainless Steel 309S Bars produced by Njabulo Stainless are primarily composed of chromium (22–24%) and nickel (12–15%), featuring low carbon content to improve weldability and minimize carbide precipitation. This alloy is celebrated for its outstanding oxidation resistance and high-temperature strength, making it perfect for environments that experience intense heat. In terms of mechanical properties, it boasts a tensile strength of about 550 MPa, a yield strength of roughly 205 MPa, and an elongation of 40%, along with a Brinell Hardness of 147 HB. These characteristics make 309S Bars ideal for demanding structural and industrial applications.
| 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 |
Contact us to get a quick quote for your requirement.
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.
Njabulo Stainless’s 309S Bars find extensive use in industries that require high strength and resistance to extreme heat and corrosion. Common applications include furnace components, heat exchangers, kilns, chemical processing equipment, and boiler baffles. The alloy’s capability to endure thermal cycling and oxidation at temperatures up to 1000°C makes it suitable for power plants, refineries, and marine settings. Moreover, the low carbon content of 309S enhances weldability, making it a great choice for fabrication projects and pressure vessels. Whether for heavy-duty industrial use or custom-engineered solutions, Njabulo Stainless provides versatile bars that meet the needs of a wide range of demanding applications.
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