Neith Metals, based in Cairo, Egypt, stands out as a leading manufacturer and supplier of Stainless Steel 321H Rectangular Bars. These bars are crafted for exceptional performance, focusing on strength, reliability, and precision. By leveraging cutting-edge manufacturing technology and high-quality raw materials, Neith Metals guarantees that each rectangular bar adheres to international quality and dimensional standards. Known for its impressive heat resistance, durability, and outstanding corrosion protection, Stainless Steel 321H is perfect for tough industrial applications. With a strong dedication to excellence and customer satisfaction, Neith Metals proudly serves both domestic and international markets with stainless steel products designed for lasting performance.
The Stainless Steel 321H Rectangular Bars from Neith Metals are made up of iron, chromium (17–19%), nickel (9–12%), and titanium (0.3–0.7%), featuring a higher carbon content (0.04–0.10%) compared to standard 321. This unique composition boosts creep strength and heat resistance at high temperatures. In terms of mechanical properties, they showcase a tensile strength ranging from 515–750 MPa, a yield strength of about 205–350 MPa, and an elongation of up to 40%. The alloy’s remarkable oxidation resistance and structural stability make it an excellent choice for high-temperature and pressure applications that demand long-term durability and reliability.
Standard : 321H / 1.4878
Range : 3.17mm to 350mm dia
Designation : ASTM A276, ASME SA276
Finish : Bright, Black, Polish
Thickness: 4.0mm – 100mm
Type: Bright Bar, Black Bars, Hex Bar, Square Bar, Rods, Polish Bar, Forged Bar, Round Bar
Length : Random, Fix & Cut Length
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti |
| 321H | 0.04 – 0.10 | 2 max | 0.75 max | 0.045 max | 0.03 max | 17 – 19 | 3 – 4 | 9 – 12 | – | 4xC min 0.60% max |
| Density | 8.0 g/cm3 |
| Melting Point | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000, MPa – 205 |
| Elongation | 35 % |
| Standard | SS 321H |
| UNS | S32109 |
| WERKSTOFF NR. / DIN | 1.4878 |
Choose Stainless Steel 321H Rectangular Bars based on their excellent high-temperature resistance and resistance to carbide precipitation in welding applications. Consider mechanical strength, corrosion resistance, and desired thermal stability for specific use cases.
Stainless Steel 321H Rectangular Bars generally do not require corrosion protection coatings due to their inherent corrosion resistance. However, coatings can be applied for enhanced protection in aggressive environments or specific applications.
Yes, Stainless Steel 321H Rectangular Bars can be welded, offering excellent weldability. However, using appropriate filler materials and controlling heat input is essential to prevent carbide precipitation and maintain corrosion resistance.
Neith Metals’ Stainless Steel 321H Rectangular Bars find extensive use in industries that face high temperatures and corrosive environments. Common applications include heat exchangers, boiler tubes, furnace components, pressure vessels, and exhaust systems. They are also essential in the chemical, petrochemical, and power generation sectors for equipment that endures elevated temperatures and harsh conditions. The rectangular shape not only provides strength and stability but also simplifies fabrication, making them ideal for structural frameworks and mechanical assemblies. Their blend of heat resistance, strength, and corrosion protection guarantees outstanding performance in challenging industrial settings.






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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