Stainless Steel 321 Flat Bar is provided by a reputable manufacturer and supplier in Safat, Kuwait, offering top-quality flat bars that excel in high-temperature and corrosive settings. Thanks to its titanium stabilization, SS 321 boasts impressive resistance to intergranular corrosion, making it a perfect choice for applications that involve continuous heating. These flat bars are crafted with precise dimensional tolerances, a smooth finish, and strong mechanical properties. Industries across Kuwait trust Stainless Steel 321 Flat Bar for its durability, weldability, and ability to maintain structural integrity under thermal stress, making it ideal for chemical processing, aerospace components, and heat-treatment equipment.
Stainless Steel 321 Flat Bar is composed of 17–19% chromium, 9–12% nickel, and titanium, which acts as a stabilizer to prevent carbide precipitation during welding and exposure to high temperatures. This alloy delivers high tensile and yield strength, outstanding toughness, and oxidation resistance up to 900°C. Its mechanical properties remain consistent even under thermal cycling, providing excellent creep resistance. SS 321 also offers good formability and weldability, ensuring dependable performance in challenging applications. This blend of chemical stability and mechanical strength makes Stainless Steel 321 Flat Bar perfect for high-temperature service.
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
| 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 |
| 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. |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 321 | 1.4541 | S32100 |
The primary alloying element in Stainless Steel 321 is chromium, typically comprising around 17-19%. Chromium provides corrosion resistance, while titanium is added to improve high-temperature stability and prevent carbide precipitation during welding or prolonged exposure to elevated temperatures.
Stainless Steel 321 is most suitable for temperatures ranging from 800°F to 1500°F (427°C to 815°C). It excels in high-temperature environments due to its titanium stabilization, which prevents carbide precipitation and maintains corrosion resistance under prolonged heat exposure.
Typical dimensions of Stainless Steel 321 flat bars vary, with widths ranging from 20 mm to 150 mm, thicknesses between 3 mm and 50 mm, and lengths up to 6 meters, customizable based on specific requirements.
Stainless Steel 321 Flat Bar finds extensive use in industries that demand strong, heat-resistant, and corrosion-resistant materials. In chemical processing, it’s utilized for reactors, tanks, and pipelines that face aggressive chemicals and high temperatures. In the aerospace sector, SS 321 Flat Bar is employed for engine components, insulation supports, and structural parts due to its stability under heat. Power generation facilities use it for boiler equipment, heat exchangers, and thermal processing units. Additionally, it’s a preferred choice in refineries for its reliability and performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nimish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Safat, Kuwait
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