Neith Metals, based in Cairo, Egypt, stands out as a top manufacturer and supplier of high-quality Stainless Steel 321 Square Bars and Rods. With a reputation for precision engineering and cutting-edge production techniques, they strictly follow international quality standards to ensure their stainless steel products boast impressive high-temperature strength, corrosion resistance, and durability. The Stainless Steel 321 Square Bars and Rods are specially designed with titanium stabilization to prevent carbide precipitation during welding or when exposed to high temperatures for extended periods. Neith Metals caters to various industries, including chemical processing, aerospace, power generation, and automotive, providing reliable, versatile, and high-performance stainless steel solutions for demanding industrial and structural needs.
These Stainless Steel 321 Square Bars and Rods primarily consist of chromium (17–19%), nickel (9–12%), and titanium (≥0.7%), along with trace amounts of manganese, silicon, and carbon. The alloy showcases impressive tensile strength of up to 515 MPa, yield strength around 205 MPa, and an elongation of about 40%. With excellent oxidation resistance, high-temperature stability, and superior corrosion resistance, Stainless Steel 321 is perfect for welded components and structural applications that face heat and corrosive environments.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Size : Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12
| 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. |
| Grade | Tensile Str (MPa) min | Yield Str 0.2% Proof (MPa) min | Elong (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 321 | 1.4541 | S32100 |
| SQUARES | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.62 | 2.05 |
| 18 | 0.79 | 2.59 |
| 20 | 0.76 | 2.49 |
| 22 | 1.18 | 3.87 |
| 25 | 1.52 | 5.00 |
| 28 | 1.91 | 6.27 |
| 30 | 2.19 | 7.20 |
| 32 | 2.50 | 8.19 |
| 36 | 3.16 | 10.37 |
| 38 | 3.52 | 11.55 |
| 40 | 3.90 | 12.80 |
| 45 | 4.94 | 16.20 |
| 50 | 6.10 | 20.00 |
| 56 | 7.65 | 25.08 |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Stainless Steel 321 Square Bars are available in a range of sizes, typically from ¼" to 12" in width. Common finishes include mill finish, polished, and cold drawn.
Yes, Stainless Steel 321 Square Rods can be welded using most standard welding techniques. However, post-weld heat treatment may be required to maintain its properties and prevent sensitization.
Stainless Steel 321 Square Bars are generally non-magnetic in their annealed condition. However, they may exhibit slight magnetic properties if cold-worked.
Neith Metals’ Stainless Steel 321 Square Bars and Rods are extensively utilized in high-temperature and corrosive settings. They are particularly well-suited for crafting heat exchangers, chemical tanks, furnace components, jet engine parts, and exhaust systems. Additionally, these bars and rods find applications in power generation, food processing, and automotive components where high strength, weldability, and resistance to thermal fatigue are crucial. Thanks to their outstanding corrosion resistance, mechanical performance, and high-temperature stability, Stainless Steel 321 Square Bars and Rods offer dependable and long-lasting solutions for industrial, aerospace, and chemical engineering projects.






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