For businesses in Manama and across Bahrain seeking exceptional high-temperature performance, Junaid Metals stands as a trusted supplier of the Stainless Steel 321H Flat Bar. This specific grade is engineered for resilience, offering superior strength and corrosion resistance in demanding environments. We understand that your projects require materials you can count on, which is why we provide flat bars that combine durability with consistent quality, ensuring your structural and fabrication needs are met with precision and reliability.
The composition of Stainless Steel 321H includes chromium and nickel for its foundational corrosion resistance, but its key feature is the addition of titanium. This element works to prevent harmful carbide precipitation, especially during welding or exposure to high temperatures. This stabilization allows the alloy to maintain its integrity. Mechanically, this grade is known for its excellent strength and creep resistance at elevated temperatures, making it a robust choice where other materials might fail.
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.
The primary use for the 321H Flat Bar is in high-temperature applications where stability is non-negotiable. You will commonly find it forming the backbone of industrial furnaces, heat exchangers, and critical components within aviation and aerospace systems. Its reliability also makes it ideal for heavy-duty fabrication projects, chemical processing equipment, and structural supports in aggressive environments. Essentially, wherever intense heat and corrosion are a concern, this flat bar provides a long-lasting and dependable solution.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Junaid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manama, Bahrain
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