Starc Metals is a reliable manufacturer and supplier of Stainless Steel 321 Rectangular Bars, proudly based in Canberra, Australia. Renowned for our commitment to quality, precision, and innovation, we provide high-performance stainless steel products that not only meet international standards but also exceed our clients’ expectations. Our Stainless Steel 321 Rectangular Bars are celebrated for their outstanding corrosion resistance, impressive high-temperature strength, and mechanical durability, making them perfect for tough industrial applications. Thanks to our advanced manufacturing techniques and strict quality control, Starc Metals caters to various industries, including aerospace, chemical processing, petrochemical, and power generation, delivering robust and dependable solutions that ensure efficiency, safety, and consistent performance in demanding environments.
These Stainless Steel 321 Rectangular Bars are made up of 17–19% chromium, 9–12% nickel, and 0.08–0.70% titanium, along with trace amounts of carbon, manganese, and silicon. This austenitic stainless steel is known for its excellent resistance to intergranular corrosion and oxidation at high temperatures. In terms of mechanical properties, it boasts a tensile strength ranging from 515 to 750 MPa, a yield strength of about 205 to 450 MPa, and a density of 8 g/cm³. Additionally, these bars offer remarkable ductility, toughness, and weldability, making them ideal for high-temperature and corrosion-sensitive applications that demand durability and stability.
| 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.
Stainless Steel 321 Rectangular Bars find extensive use in industries that require materials capable of withstanding heat and corrosion. In the chemical and petrochemical fields, they are commonly used for heat exchangers, reactor vessels, and piping systems that handle aggressive chemicals. In aerospace, they serve in turbine components, exhaust manifolds, and high-temperature structural parts. The marine and offshore sectors also rely on them for systems exposed to seawater. Furthermore, these bars are utilized in power generation, food processing, and more, showcasing their versatility and reliability across various applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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