Phehlukwayo Metal, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality **Stainless Steel 321 Hex Bars/Rods** that are built to last. These products are designed for exceptional durability, high-temperature performance, and outstanding resistance to corrosion. Crafted using cutting-edge techniques, our hex bars and rods boast precise dimensions, a smooth surface finish, and consistent mechanical properties. With their impressive resistance to intergranular corrosion and oxidation, Stainless Steel 321 Hex Bars/Rods are perfect for demanding industrial, chemical, and high-temperature applications. At Phehlukwayo Metal, we are dedicated to providing stainless steel products that adhere to international standards, catering to industries like chemical processing, petrochemical, aerospace, and power generation with reliable and long-lasting solutions.
Stainless Steel 321 Hex Bar/Rod is an austenitic stainless steel primarily made up of iron, chromium (17–19%), nickel (9–13%), carbon (0.08% max), and titanium to enhance stability. This unique composition offers excellent high-temperature strength and resistance to intergranular corrosion. The material showcases a tensile strength of around 515–620 MPa, yield strength of 205–275 MPa, and remarkable toughness. Its ferrite-free austenitic structure guarantees stability at elevated temperatures and prevents carbide precipitation along grain boundaries, making it an ideal choice for critical applications that require long-term durability and mechanical reliability.
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 321 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| Element | Density | Melting Range,℃ | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
| SS 321 | 8 | 1454 ℃ | 515 | 205 | 40 | 217 |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
SS 321 hex bars/rods are highly suitable for high-temperature applications due to their excellent resistance to oxidation and scaling, particularly in environments above 900°C. The addition of titanium stabilizes the material, preventing carbide precipitation, and enhancing its resistance to intergranular corrosion, making it ideal for aerospace and industrial applications.
SS 321 hex bars/rods are commonly used in industries requiring high-temperature resistance, such as aerospace, chemical processing, and power generation. Applications include exhaust systems, heat exchangers, furnace components, and reactors. Their resistance to corrosion, oxidation, and scaling makes them ideal for environments with elevated temperatures and aggressive conditions.
SS 321 hex bars/rods can be welded easily, but special care is needed to prevent carbide precipitation. Preheating and post-weld heat treatment are recommended to avoid weld embrittlement. Using titanium-stabilized filler metals helps maintain the alloy’s resistance to intergranular corrosion, ensuring weld integrity in high-temperature applications.
Stainless Steel 321 Hex Bars/Rods find extensive use in applications that demand high strength, thermal stability, and corrosion resistance. They are commonly utilized in furnace components, heat exchangers, boiler tubes, chemical processing equipment, and machinery in petrochemical plants. This alloy is also well-suited for aerospace components and power generation equipment that face high-temperature corrosive environments. Furthermore, Stainless Steel 321 Hex Bars/Rods are employed in piping systems, pressure vessels, and structural components where long-lasting performance is essential.
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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