Sadiki Metals, located in Kinshasa, Congo, stands out as a top manufacturer and supplier of high-quality stainless steel products. One of their standout offerings is the Stainless Steel 321 Hex Bar/Rod, which is celebrated for its remarkable resistance to high-temperature corrosion and oxidation. Thanks to cutting-edge production methods and rigorous quality checks, Sadiki Metals guarantees that every hex bar and rod adheres to international standards, ensuring dependable performance across a variety of industrial applications. With a solid reputation among clients in construction, manufacturing, and engineering, the company expertly blends precision craftsmanship with durable materials, making it the go-to choice for professionals in search of consistent quality and long-lasting stainless steel solutions.
The Stainless Steel 321 Hex Bar/Rod is an austenitic stainless steel alloy that’s stabilized with titanium to boost its resistance to intergranular corrosion. Typically, its composition features 17–19% chromium, 9–12% nickel, along with trace amounts of carbon, manganese, and silicon. The addition of titanium helps prevent carbide precipitation during welding or exposure to high temperatures, ensuring the material’s structural integrity. On the mechanical side, it boasts impressive tensile strength, yield strength, and elongation, making it tough enough to handle stress. With outstanding creep resistance and toughness, it performs reliably in challenging environments, particularly in situations involving heat, pressure, and corrosive conditions.
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.
Industries that require high-temperature strength and corrosion resistance widely use the Stainless Steel 321 Hex Bar/Rod. It’s often found in chemical processing equipment, heat exchangers, and furnace components, where it endures prolonged exposure to elevated temperatures. The aerospace and automotive sectors utilize it for engine parts, exhaust systems, and turbine components, thanks to its stability under thermal stress. Moreover, it’s also a great fit for structural applications in construction and manufacturing, including fasteners and other critical components.






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