Latham Steel, located in Hamilton, New Zealand, stands out as a top manufacturer and supplier of Stainless Steel 321 Rectangular Bars. They offer premium materials designed for strength, durability, and resistance to high-temperature corrosion. The Stainless Steel 321, which is stabilized with titanium, boasts impressive resistance to intergranular corrosion, especially during welding or when exposed to high temperatures for extended periods. This makes it a perfect choice for tough industrial applications. Latham Steel guarantees that every rectangular bar adheres to strict international standards, ensuring precise, reliable, and long-lasting performance across various industries, including chemical processing, petrochemical, aerospace, and power generation.
These Stainless Steel 321 Rectangular Bars are made up of about 17–19% chromium, 9–12% nickel, and a touch of titanium for stabilization. This unique blend enhances their resistance to intergranular corrosion, pitting, and oxidation at elevated temperatures. On the mechanical side, 321 bars showcase a tensile strength ranging from 515 to 750 MPa, yield strength between 205 and 450 MPa, and good elongation, all while maintaining toughness and dimensional stability under thermal stress. The rectangular shape makes them easy to fabricate, with precise dimensions and consistent mechanical properties, making them ideal for both structural and high-performance applications.
| 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 |
Yes, Stainless Steel 321 Rectangular Bars can be welded. They offer good weldability, particularly with proper preheat and post-weld heat treatment to prevent carbide precipitation.
Stainless Steel 321 Rectangular Bars generally do not require additional corrosion protection coatings due to their inherent corrosion resistance. However, in harsh environments, extra coatings may be applied for enhanced protection.
Choose Stainless Steel 321 Rectangular Bars based on factors like strength, corrosion resistance, and temperature requirements of your application. Consider factors like weldability and environment exposure to ensure optimal performance.
You’ll find Stainless Steel 321 Rectangular Bars in a variety of applications, including furnace components, heat exchangers, turbine parts, exhaust systems, chemical processing equipment, and architectural structures that face high temperatures or corrosive environments. Their blend of strength, thermal stability, and corrosion resistance guarantees long-term reliability, low maintenance, and steady performance. Engineers and manufacturers often choose 321 rectangular bars for critical applications that demand durable, high-performance stainless steel solutions capable of enduring harsh industrial conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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