Phehlukwayo Metal, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality **Stainless Steel 304 Hollow Bars** that are built to withstand corrosion, offer strength, and ensure durability across various industrial settings. These hollow bars are crafted using cutting-edge precision techniques, guaranteeing accurate dimensions, a smooth surface finish, and reliable mechanical performance. Renowned for their outstanding resistance to oxidation, pitting, and chemical damage, Stainless Steel 304 Hollow Bars are perfect for applications in the chemical, petrochemical, food processing, and marine industries. Phehlukwayo Metal is dedicated to providing stainless steel products that adhere to international standards, delivering dependable, long-lasting, and high-performance solutions for even the most demanding industrial requirements.
Stainless Steel 304 Hollow Bar is an austenitic stainless steel primarily made up of iron, chromium (18–20%), and nickel (8–12%), with a low carbon content (maximum 0.08%) to improve weldability and minimize carbide precipitation. This unique composition results in excellent corrosion resistance, toughness, and solid mechanical strength. The material boasts a tensile strength of around 485–620 MPa, a yield strength of 205–275 MPa, and impressive ductility. Its ferrite-free austenitic structure ensures dimensional stability, weldability, and dependable mechanical properties, making it an excellent choice for long-term use in corrosive and high-temperature environments.
| Specifications | ASTM A276 / ASME SA 276 |
| Thickness | 0.25 – 3 mm |
| Outer Diameter | 16 to 119 mm |
| Material Grade | Stainless Steel 304 |
| Hollow Bars Types | Square, Circular, Rectangular Bars |
| Element | SS 304 |
| C | 0.08 max |
| Mn | 2 max |
| Si | 0.75 max |
| P | 0.045 max |
| S | 0.030 max |
| Cr | 18 – 20 |
| Mo | – |
| Ni | 8 – 11 |
| Element | SS 304 |
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
SS 304 Hollow Bar offers excellent corrosion resistance, superior to carbon steel but lower than SS 316. It's effective in mildly corrosive environments, such as atmospheric, food processing, and water systems.
SS 304 Hollow Bars are produced through extrusion, drawing, and machining. These processes refine the material's structure, enhancing strength, ductility, and surface finish, ensuring optimal mechanical properties for various applications.
Stainless Steel 304 Hollow Bars find extensive use in applications that demand high corrosion resistance, mechanical strength, and durability. They are frequently utilized in chemical processing equipment, heat exchangers, pumps, valves, and marine components. This alloy is particularly well-suited for food processing machinery, pharmaceutical equipment, and industrial piping systems that are exposed to acidic or chloride-rich conditions. Furthermore, Stainless Steel 304 Hollow Bars are employed in structural components, industrial machinery, and fabrication projects where enduring performance and reliability are essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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