Hemi Metals, located in Hamilton, New Zealand, is a reputable manufacturer and supplier of high-quality Stainless Steel 304L Hollow Bars, perfect for a variety of industrial, mechanical, and fabrication needs. These hollow bars are crafted with meticulous attention to detail, featuring precise dimensions and a smooth internal finish, all while adhering to strict international quality standards. Hemi Metals’ SS 304L hollow bars are well-known for their outstanding corrosion resistance, excellent weldability, and dependable mechanical strength. They cater to industries like construction, food processing, chemical handling, and general engineering, ensuring long-lasting performance, easy machinability, and reliability in tough working conditions.
Stainless Steel 304L Hollow Bars are made up of about 18–20% chromium and 8–12% nickel, with a low carbon content of less than 0.03%. This low carbon level helps prevent carbide precipitation during welding, enhancing resistance to intergranular corrosion. Typically, these hollow bars boast a tensile strength of around 485 MPa and a yield strength close to 170 MPa, along with impressive ductility and impact toughness. They are non-magnetic when annealed, exhibit good formability, and maintain stable mechanical properties in both normal and moderately elevated temperatures.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 304L | 8.0 – 11.0 | 18.0 – 20.0 | 2.0 max | 8.0 – 12.0 | 0.045 max | 0.03 max | 1.0 max |
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 304L | 8.0 – 11.0 | 18.0 – 20.0 | 2.0 max | 8.0 – 12.0 | 0.045 max | 0.03 max | 1.0 max |
The low carbon content in SS 304L minimizes carbide precipitation during welding, reducing the risk of intergranular corrosion. This enhances weldability, making it ideal for applications requiring extensive welding without compromising corrosion resistance or mechanical properties.
SS 304L has superior corrosion resistance compared to SS 304 due to its lower carbon content, which minimizes carbide precipitation during welding. This reduces susceptibility to intergranular corrosion, making SS 304L ideal for welded structures in corrosive environments.
Stainless Steel 304L Hollow Bars find extensive use in situations where corrosion resistance, weldability, and structural accuracy are crucial. They’re often utilized for shafts, bushings, hydraulic cylinders, spacers, mechanical tubing, and pressure components. In the food, dairy, and pharmaceutical sectors, these hollow bars are perfect for hygienic processing equipment and structural supports. Additionally, they are employed in chemical handling systems, heat exchangers, architectural structures, and general engineering projects. Their clean internal finish, ease of machining, and resistance to oxidation guarantee reliable performance in various applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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