Chuck Metals stands out as a trusted manufacturer and supplier of Stainless Steel 304 Hollow Bars right here in Singapore, catering to industrial clients across Pulau Ujong with top-notch stainless steel solutions. This particular alloy, Stainless Steel 304, is quite the all-rounder, celebrated for its impressive resistance to corrosion, solid mechanical strength, and ease of fabrication. Our hollow bars are crafted to meet international standards like ASTM A511/A312, ensuring they come with uniform wall thickness, smooth internal surfaces, and precise dimensions. Whether for machining or structural applications, Chuck Metals’ 304 hollow bars deliver dependable performance in a variety of demanding situations.
These hollow bars are made up of about 18–20% chromium, 8–10.5% nickel, and a maximum of 0.08% carbon, which gives them strong resistance to oxidation and general corrosion. They boast a tensile strength of around 515 MPa, a yield strength of about 205 MPa, and impressive elongation properties (around 40%), striking a great balance between durability and flexibility. Plus, they perform well in both high and low temperatures, making them suitable for a wide range of service 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.
You’ll find Stainless Steel 304 hollow bars commonly used in mechanical engineering, automotive parts, process equipment, hydraulic systems, and marine structures. Their hollow design helps reduce weight while still keeping structural integrity, making them perfect for components like shafts, bushings, cylinders, and spacers. On top of that, their smooth bore and excellent machinability make them ideal for precision tasks in the food processing, pharmaceutical, and chemical industries. With their corrosion resistance, high strength, and versatility, these bars promise long-lasting performance even in tough and high-demand environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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