Rashid Metals stands out as a premier manufacturer and supplier located in Muscat, Oman, specializing in top-notch stainless-steel products tailored for essential industrial and engineering needs. One of their standout offerings, the Stainless Steel 321H Rectangular Bars, is highly regarded for its exceptional heat resistance, corrosion protection, and mechanical reliability. Crafted with cutting-edge manufacturing techniques and rigorous quality control, Rashid Metals guarantees that each rectangular bar adheres to international standards and meets the specific needs of their customers. Their dedication to precision, durability, and prompt delivery has made them a reliable partner for industries such as petrochemical, power generation, construction, and fabrication, both in Oman and beyond.
The Stainless Steel 321H Rectangular Bars are high-carbon, titanium-stabilized austenitic stainless steels that include chromium, nickel, and titanium, specifically designed to combat intergranular corrosion. The increased carbon content boosts high-temperature strength, creep resistance, and overall mechanical stability. On the mechanical front, SS 321H showcases impressive tensile strength, solid toughness, and dependable performance even under extended heat exposure. The titanium stabilization effectively prevents carbide precipitation during welding or thermal cycling, ensuring the bars maintain their structural integrity and oxidation resistance. These characteristics make SS 321H rectangular bars perfect for applications that demand long-lasting durability, heat resistance, and consistent mechanical performance in challenging industrial settings.
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.
You’ll find Stainless Steel 321H Rectangular Bars widely utilized in sectors that require high-temperature strength, corrosion resistance, and mechanical durability. They’re often found in heat exchangers, boiler components, furnace parts, and high-temperature piping systems. In the petrochemical, oil and gas, and power generation industries, SS 321H rectangular bars are essential for flanges, fittings, manifolds, and structural supports that face continuous thermal stress. Additionally, they play a crucial role in aerospace and chemical processing applications, where reliability and performance are paramount.






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