Rashid Metals, located in Muscat, Oman, has built a solid reputation as a reliable manufacturer and supplier of top-notch stainless-steel products tailored for industrial and engineering needs. One of their standout offerings is the Stainless Steel 321 Hollow Bar, which is highly regarded for its impressive corrosion resistance, heat stability, and structural dependability. Thanks to cutting-edge manufacturing processes and strict quality controls, Rashid Metals guarantees that each hollow bar not only meets international standards but also aligns with specific customer requirements. Their commitment to precision, durability, and timely delivery has made them a go-to partner for sectors like petrochemical, construction, power generation, and fabrication, both in Oman and around the globe.
The Stainless Steel 321 Hollow Bar is an austenitic stainless steel that’s stabilized with titanium, featuring a blend of chromium, nickel, and titanium to boost its resistance to intergranular corrosion. On the mechanical side, SS 321 boasts good tensile strength, remarkable toughness, and reliable performance even at elevated temperatures. The titanium stabilization helps prevent carbide precipitation during welding or thermal exposure, ensuring the material maintains its structural integrity and oxidation resistance. This alloy’s unique combination of strength, heat resistance, and corrosion protection makes it perfect for applications that demand durability, stability, and consistent mechanical performance in high-temperature and industrial settings.
| Standard | ASTM A276 / A479, ASME SA276 / A479 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| Denstiy lbm/in3 | Coefficient of Thermal Expansion (min/in)-°F | Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | |
|---|---|---|---|---|---|
| at 68 °F | at 68 – 212°F | at 68 – 1832°F | at 200°F | at 32 – 212°F | in tension (E) |
| 0.286 | 9.2 | 20.5 | 9.3 | 0.12 | 28 x 106 |
The addition of titanium in SS 321 stabilizes carbon, preventing the formation of chromium carbides at grain boundaries. This reduces the risk of intergranular corrosion, improving the alloy's resistance to corrosion in high-temperature environments and aggressive chemical conditions.
In aerospace, SS 321 Hollow Bar is used for exhaust systems, jet engine components, and fuel systems due to its high-temperature resistance. In the chemical industry, it's used for heat exchangers, reactors, and piping in corrosive environments.
Industries that require high-temperature performance, corrosion resistance, and mechanical durability frequently turn to Stainless Steel 321 Hollow Bar. It’s commonly found in furnace components, heat exchangers, exhaust systems, and chemical processing equipment. In sectors like petrochemical, oil and gas, and power generation, SS 321 hollow bars are ideal for piping, flanges, fittings, and structural supports that face continuous thermal stress. Moreover, industries such as aerospace, food processing, and fabrication depend on these bars for their excellent weldability, oxidation resistance, and long-term stability. Their strength and durability make them a reliable choice for demanding applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rashid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Muscat, OMAN
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