Phehlukwayo Metal, a top-notch stainless steel supplier and manufacturer located in Cape Town, South Africa, proudly presents its high-quality Stainless Steel 310S Rectangular Bars. These bars are crafted for outstanding performance in both high-temperature and corrosive settings. As a low-carbon variant of the 310 grade, 310S enhances weldability and minimizes the risk of sensitization, all while offering excellent resistance to oxidation and thermal cycling. Phehlukwayo Metal guarantees that every rectangular bar is produced to meet international quality standards, ensuring consistency, strength, and durability for demanding industrial applications like power generation, petrochemicals, and heat treatment.
The composition of Stainless Steel 310S Rectangular Bars includes about 24–26% chromium, 19–22% nickel, and a low carbon content capped at 0.08%. This unique blend provides remarkable resistance to oxidation, carburization, and high-temperature corrosion. Typically, these bars showcase a tensile strength ranging from 520 to 750 MPa and a yield strength around 205 MPa, along with good ductility and impressive toughness, even in sub-zero conditions. The low carbon content is key in preventing carbide precipitation during welding, making 310S a go-to choice for welded structures in high-temperature service environments.
| Specifications | ASTM A 276 / SA 276 |
|---|---|
| Dimensions | ASTM, ASME |
| Range | 3.17 MM TO 350 MM DIA |
| Diameter | 25mm to 152m |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Finish | Bright, Polish & Black |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging Etc., |
| Condition | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 – 26.00 | 0.75 max | 19.00 – 21.00 | 53.095 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 310S | 1.4845 | S31008 | SUS310S | – | 20Ch23N18 | – | X8CrNi25-21 |
Yes, Stainless Steel 310S Rectangular Bars are highly resistant to oxidation and scaling at high temperatures. They can withstand temperatures up to 1100°C (2012°F), making them ideal for high-temperature applications.
Stainless Steel 310S Rectangular Bars are highly resistant to corrosion due to their chromium content, reducing the need for additional coatings. However, in highly aggressive environments, protective coatings can enhance their longevity.
Yes, Stainless Steel 310S Rectangular Bars are 100% recyclable without losing their properties. Recycling stainless steel helps conserve resources and reduces environmental impact.
Stainless Steel 310S Rectangular Bars are perfect for applications that require continuous exposure to high temperatures, such as furnace components, heat exchangers, boiler baffles, kilns, and combustion chambers. They are also extensively utilized in the petrochemical, cement, and thermal processing industries, where resistance to oxidation and scaling is crucial. With their strength and formability, these bars are well-suited for structural components in corrosive or heat-intensive environments.






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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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