Luois Metals, a reputable manufacturer and supplier located in Houston, USA, specializes in top-notch Stainless Steel 310S Flat Bars. These bars are specifically crafted for applications that demand exceptional corrosion resistance and high-temperature strength. Thanks to their meticulous manufacturing processes and rigorous quality control, Luois Metals guarantees impressive dimensional accuracy, a smooth surface finish, and long-lasting durability in every flat bar. Designed to comply with international standards, these Stainless Steel 310S Flat Bars deliver remarkable oxidation resistance and dependable performance even in extreme conditions. They find extensive use across various industries, including chemical processing, power generation, and industrial equipment manufacturing, providing solutions that blend strength, longevity, and consistent quality for both standard and custom needs.
The composition of Stainless Steel 310S Flat Bars includes around 24–26% chromium and 19–22% nickel, along with a low carbon content that enhances weldability while preserving high-temperature strength. This unique blend offers excellent resistance to oxidation, scaling, and thermal fatigue, along with commendable tensile and yield strength. The material also showcases high creep resistance and toughness, even when subjected to prolonged exposure to elevated temperatures. Its low carbon content helps prevent carbide precipitation during welding, ensuring both corrosion resistance and structural integrity in challenging environments.
| Standards | ASTM, ASME |
| Designation | A276 / A479, SA276 / A479 |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Mo | |
| SS 310S | min. | – | 19.0 | – | – | – | – | – | 24.0 | – |
| max. | 0.08 | 22.0 | 1.50 | – | 0.030 | 2.00 | 0.045 | 26.0 | ||
| STANDARD | UNS | WERKSTOFF NR. |
| SS 310S | S31008 | 1.4845 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | – | X8CrNi25-21 |
Stainless Steel 310S Flat Bars are primarily used in high-temperature applications, such as furnace parts, heat exchangers, burner parts, and chemical processing equipment, due to their excellent oxidation and corrosion resistance.
Stainless Steel 310S performs exceptionally well in high-temperature environments, maintaining strength and resistance to oxidation up to 1,100°C (2,012°F). Its low carbon content minimizes carbide precipitation, ensuring better stability and resistance to thermal cycling and oxidation.
Yes, Stainless Steel 310S can be welded and fabricated with relative ease. Its low carbon content reduces the risk of carbide precipitation during welding, ensuring strong welds. However, preheating and post-weld heat treatment may be necessary for optimal results.
You’ll often find Stainless Steel 310S Flat Bars in furnace parts, heat exchangers, kiln components, boiler parts, and high-temperature industrial equipment. They’re also perfect for chemical processing, petrochemical plants, and other applications where resistance to thermal stress, scaling, and oxidation is crucial. These flat bars are well-suited for creating structural components, supports, and high-strength assemblies that face extreme heat and corrosive conditions. Luois Metals is committed to ensuring that their Stainless Steel 310S Flat Bars meet strict quality standards, providing reliable performance for both industrial and engineering applications.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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