Rashid Metals is a well-respected manufacturer and supplier located in Muscat, Oman, known for delivering top-notch stainless-steel products designed for tough industrial applications. One of their standout offerings, the Stainless Steel 321H Flat Bar, is celebrated for its remarkable heat resistance, corrosion protection, and mechanical reliability. Crafted with cutting-edge technology and rigorous quality control, Rashid Metals guarantees that each flat bar adheres to international standards and meets the specific needs of their customers. Their commitment to precision, durability, and timely delivery has established them as a trusted partner for sectors like petrochemical, power generation, construction, and engineering, both in Oman and beyond.
The Stainless Steel 321H Flat Bar is a high-carbon, titanium-stabilized austenitic stainless steel that includes chromium, nickel, and titanium, which work together to prevent intergranular corrosion. The increased carbon content boosts its strength at high temperatures, enhances creep resistance, and contributes to overall mechanical stability. On the mechanical front, SS 321H boasts excellent tensile strength, good toughness, and dependable performance even under prolonged heat exposure. The titanium stabilization helps avoid carbide precipitation during welding or thermal cycling, ensuring the material maintains its structural integrity and resistance to oxidation. These characteristics make SS 321H flat bars perfect for applications that demand durability, heat resistance, and consistent mechanical performance in challenging industrial settings.
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
Range : Range – 3.17mm to 350mm dia
| SS 321H | 0.04 – 0.10 | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 321H | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 321H | 1.4438 | S32109 |
The primary alloying element in Stainless Steel 321H is titanium (Ti), which stabilizes the steel and prevents carbide precipitation during welding. It also contains chromium (Cr) for corrosion resistance and higher carbon content for increased strength at elevated temperatures.
Stainless Steel 321H is most suitable for high-temperature applications in the range of 427°C to 816°C (800°F to 1500°F). It offers excellent oxidation resistance and stability in these temperatures, making it ideal for heat exchangers and furnace components.
Typical dimensions of a Stainless Steel 321H flat bar range from 3mm to 150mm thickness, 25mm to 600mm width, and up to 6 meters in length. These dimensions vary based on manufacturer specifications and customer requirements.
Industries that require high-temperature performance, corrosion resistance, and mechanical durability frequently turn to Stainless Steel 321H Flat Bar. It’s commonly found in heat exchangers, boiler components, furnace parts, and high-temperature piping systems. In the petrochemical, oil and gas, and power generation sectors, SS 321H flat bars are utilized for flanges, fittings, manifolds, and structural supports that face continuous thermal stress. Moreover, industries like aerospace, chemical processing, and fabrication depend on these bars for their excellent weldability and durability.






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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