Isis Metals is a reliable manufacturer and supplier of Stainless Steel 321 Rectangular Bars, proudly based in Manila, Philippines. We specialize in delivering top-notch stainless steel products that are designed for strength, heat resistance, and protection against corrosion. Our Stainless Steel 321 Rectangular Bars are crafted from high-quality raw materials and cutting-edge production technology, ensuring they perform exceptionally well in high-temperature and corrosive settings. With excellent weldability, oxidation resistance, and stability under thermal stress, every bar we produce meets global quality standards, making them perfect for the chemical, power generation, and engineering sectors.
Stainless Steel 321 Rectangular Bars are a type of titanium-stabilized austenitic stainless steel, made up of chromium (17–19%), nickel (9–12%), carbon (≤0.08%), and titanium (≥5×C%). The addition of titanium boosts their resistance to intergranular corrosion and carbide precipitation during welding or exposure to heat. These bars boast a tensile strength of 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. They also demonstrate remarkable mechanical stability, oxidation resistance, and creep strength, ensuring they maintain their structural integrity even in continuous high-temperature operations.
| 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 their place in a variety of applications that demand exceptional heat and corrosion resistance. They’re perfect for heat exchangers, exhaust manifolds, boiler components, furnace parts, and chemical processing equipment. Thanks to their stability and weldability, these bars are also used in industries like aerospace, petrochemical, oil refining, and power generation. Their ability to endure prolonged exposure to high temperatures makes them suitable for pressure vessels, expansion joints, and high-temperature piping systems. With a fantastic balance of strength, formability, and reliability, they truly stand out in their field.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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