Louis Metals is a reliable producer and exporter of premium stainless steel products with its base in Houston, USA, and produces superior Stainless Steel 321 Round Bars and Rods for use in applications demanding higher thermal and corrosion resistance. Produced with the aid of latest technology and rigorous quality control measures, these bars are meant for application in high-demanding industries like aerospace, chemical processing, and power generation. Louis Metals guarantees constant mechanical properties, accurate dimensions, and on-time delivery for standard and customized products. Committed to performance and reliability, Louis Metals caters to customers in domestic as well as global markets with high-quality stainless steel solutions.
Stainless Steel 321 Round Bars and Rods are produced from a titanium-stabilized austenitic stainless steel with 17–19% chromium and 9–12% nickel, along with added titanium to forestall the precipitation of carbides when welding. These bars provide superior intergranular corrosion resistance, especially after high-temperature exposure. Mechanical characteristics consist of tensile strength of approximately 515 MPa, yield strength of 205 MPa, and elongation of about 40%. Stainless Steel 321 is non-magnetic in the annealed state, provides good weldability and formability, and retains stability and mechanical properties in continuous exposure up to 900°C (1652°F).
| Grade | Ti | Mn | C | Si | S | P | Mo | Cr | Ni |
| SS 321 | 5(C+N) to 0.70 maximum | 2.0 maximum | 0.08 maximum | 1.0 maximum | 0.030 maximum | 0.045 maximum | – | 17.00 to 19.00 | 9.00 to 12.00 |
| Melting Point | Density | (0.2%Offset) Yield Strength | Tensile Strength | Elongation |
| 1457 °C (2650 °F) | 8.0 g/cm3 | Psi – 30000 , MPa – 205 | Psi – 75000 , MPa – 515 | 35 % |
| WERKSTOFF NR. | STANDARD | JIS | UNS | EN |
| 1.4541 | SS 321 | SUS 321 | S32100 | X6CrNiTi18-10 |
321 Stainless Steel Round Bars and Rods find extensive applications in high-temperature applications where stress resistance against oxidation and thermal fatigue is critical. The typical uses are in aircraft exhaust systems, heat exchangers, furnace parts, expansion joints, and welded pressure vessels. The bars are perfect for application in petrochemical facilities, refineries, and thermal processing units where prolonged exposure to high temperatures and corrosive conditions is typical. The rounded profile makes them ideal for machining, structural supports, and rotating parts. Stainless Steel 321 is a material of choice for welding and long-term high-temperature applications, providing durability and structural stability over time.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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