Rupal Metals stands out as a reliable manufacturer and supplier of Stainless Steel 321 Bars and Rods based in Delhi, India. They specialize in providing top-notch stabilized austenitic stainless steel products that excel in heat and corrosion-resistant applications. SS 321 is titanium-stabilized, which gives it remarkable resistance to intergranular corrosion after welding, making it perfect for high-temperature environments. These bars and rods boast impressive mechanical strength, oxidation resistance, and long-lasting durability. Rupal Metals offers SS 321 bars and rods in a variety of lengths, diameters, and finishes to meet the diverse needs of industries like aerospace, thermal processing, chemical plants, and oil refineries.
Stainless Steel 321 Bars and Rods are made up of Chromium (17–19%), Nickel (9–12%), and Titanium (≤5xC), along with carefully controlled amounts of Carbon, Manganese, Silicon, and Phosphorus. The addition of titanium helps prevent carbide precipitation during welding. SS 321 boasts a tensile strength of around 515 MPa, a yield strength of 205 MPa, and excellent elongation properties. It maintains its mechanical integrity even at elevated temperatures and offers good creep resistance. This material is non-magnetic in its annealed state and provides outstanding weldability and formability, making these bars and rods perfect for pressure-containing and structural applications in high-heat and oxidizing environments.
Specification : ASTM A276/ASME SA276, SA479/A479
Standard : DIN, EN, ASTM, JIS, ASME, BS, AISI
Round Bars : OD 4 to 500mm
Bright Bars : OD 4 to 100mm
Hex Bars : 18 to 57mm (11/16″ to 2-3/4″)
Square Bars : 18mm to 47mm (11/16″ to 1-3/4″)
Finish : Matt Finish, Bright Polished, Black, NO.4 Finish, Rough Turned, BA Finish
Length : cut to size 1 – 6 Meters,
Form : Hex, Square, Round, Rectangle Etc.
| 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 |
Stainless Steel 321 offers excellent resistance to oxidation and corrosion, especially in high-temperature environments. It also provides exceptional stability and strength, making it suitable for various industrial applications.
Yes, Stainless Steel 321 is well-suited for welding. Its titanium stabilization prevents intergranular corrosion during welding, ensuring structural integrity and longevity.
These bars and rods are widely used in aerospace, chemical processing, heat exchangers, automotive exhaust systems, and other industries requiring high-temperature and corrosion-resistant materials.
Stainless Steel 321 Bars and Rods are extensively utilized in high-temperature and welded applications thanks to their exceptional resistance to oxidation and intergranular corrosion. You’ll find them in exhaust manifolds, furnace components, expansion joints, heat exchangers, refineries, and chemical processing equipment. These bars are also ideal for jet engine parts, thermal oxidizers, and boiler tubes. Their ability to endure high-temperature cycling and welding without compromising corrosion resistance makes SS 321 a top choice for industries such as aerospace, petrochemical, marine, and food processing.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
Copyright 2024 Rupal Metals. All rights reserved