Phehlukwayo Metal is a reliable manufacturer and supplier located in Cape Town, South Africa, with a strong focus on high-quality Stainless Steel 310S Flat Bars. The company prides itself on innovation, durability, and ensuring customer satisfaction, delivering top-notch products that cater to a variety of industrial needs. Their Stainless Steel 310S Flat Bars are particularly renowned for their impressive heat resistance, corrosion protection, and mechanical strength, making them perfect for high-temperature settings. Thanks to advanced manufacturing methods and rigorous quality control, Phehlukwayo Metal guarantees consistent performance and reliability for clients both locally and internationally.
Stainless Steel 310S Flat Bar is an austenitic heat-resistant alloy primarily made up of iron, 25% chromium, and 20% nickel, featuring low carbon content to reduce carbide precipitation during welding. This unique composition boosts oxidation resistance and helps maintain structural integrity at elevated temperatures, reaching up to 1100°C. It boasts a tensile strength of about 515 MPa, a yield strength of 205 MPa, and excellent elongation properties. The alloy is known for its superior toughness and creep resistance, ensuring it remains durable and stable even in fluctuating thermal and corrosive 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.
These Stainless Steel 310S Flat Bars find extensive use in industries that demand high-temperature performance and corrosion resistance. You’ll commonly see them in furnace components, heat exchangers, kilns, and exhaust systems. They’re also essential in chemical processing plants, power generation units, and oil refineries, where they frequently encounter oxidizing and carburizing atmospheres. Additionally, these flat bars are utilized in food processing, construction, and marine applications for structural and fabrication purposes. Their ability to maintain strength and resist scaling at high temperatures makes them a go-to material for challenging industrial operations.






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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