Stainless Steel 310S Flat Bar is highly regarded for its remarkable strength at high temperatures, resistance to oxidation, and overall durability, making it a top choice for use in harsh industrial settings. As a low-carbon austenitic stainless steel, grade 310S excels in resisting corrosion and maintaining mechanical stability even when the heat is on. These flat bars are known for their precise dimensions, smooth finishes, and dependable performance, making them perfect for furnace components, heat exchangers, kiln parts, and other machinery that operates in high-temperature environments. With a long service life and consistent reliability, Stainless Steel 310S Flat Bar is a go-to material for industries that need to withstand heat, oxidation, and thermal stress.
The composition of Stainless Steel 310S Flat Bar primarily includes iron, along with about 24–26% chromium and 19–22% nickel, featuring very low carbon content to avoid carbide precipitation during welding or exposure to heat. This unique blend gives it outstanding mechanical properties, such as high tensile strength, excellent creep resistance, and superior oxidation resistance at elevated temperatures. The low carbon content not only enhances weldability but also ensures dimensional stability, making Stainless Steel 310S Flat Bar ideal for precision fabrication, structural components, and machinery parts that face high thermal and corrosive conditions.
| 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 find Stainless Steel 310S Flat Bar widely used across various sectors, including chemical processing, power generation, furnace and kiln manufacturing, aerospace, and petrochemical industries. Its excellent resistance to high-temperature corrosion and oxidation makes it perfect for applications like furnace linings, heat exchangers, high-temperature piping, and structural frameworks that are exposed to extreme heat. The flat bar shape allows for efficient machining, fabrication, and assembly in industrial environments. With its exceptional durability, dimensional stability, and heat resistance, Stainless Steel 310S Flat Bar guarantees reliable long-term performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Junaid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manama, Bahrain
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