Rashid Metals is a reputable manufacturer and supplier located in Muscat, Oman, specializing in high-quality stainless-steel products designed for tough industrial applications. One of their standout offerings, the Stainless Steel 321H Hollow Bar, is celebrated for its remarkable resistance to high temperatures, excellent corrosion protection, and dependable structural integrity. With cutting-edge technology and rigorous quality control processes, Rashid Metals guarantees that every hollow bar adheres to international standards and meets the specific needs of their customers. Their dedication to durability, precision, and prompt delivery has made them a go-to partner for sectors like petrochemical, power generation, construction, and engineering, both in Oman and beyond.
The Stainless Steel 321H Hollow Bar is a high-carbon, titanium-stabilized austenitic stainless steel that includes chromium, nickel, and titanium. The increased carbon content boosts its strength and creep resistance at elevated temperatures while still providing outstanding corrosion resistance. On a mechanical level, SS 321H showcases high tensile strength, good toughness, and reliable stability when faced with thermal stress. The titanium stabilization helps prevent carbide precipitation during welding or exposure to high temperatures, ensuring long-lasting durability. These characteristics make it perfect for applications that demand consistent mechanical performance, oxidation resistance, and heat stability in challenging 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 321h | 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 |
SS 321H hollow bars are widely used in industries like aerospace, petrochemical, power generation, and chemical processing. They are preferred for high-temperature applications due to their excellent thermal stability, oxidation resistance, and resistance to stress-induced cracking at elevated temperatures.
SS 321H hollow bars are typically available in diameters ranging from 25mm to 500mm, with tolerances conforming to ASTM or ISO standards. Common surface finishes include annealed, pickled, and polished, catering to various industrial and aesthetic requirements.
Industries that require high-temperature strength, corrosion resistance, and mechanical reliability widely utilize the Stainless Steel 321H Hollow Bar. It’s commonly found in heat exchangers, boiler tubes, furnace components, and high-temperature piping systems. In sectors like petrochemical, oil and gas, and power generation, SS 321H is used for fittings, flanges, manifolds, and structural supports that endure prolonged thermal stress. Its excellent weldability and oxidation resistance also make it a great choice for aerospace components, chemical processing equipment, and various fabrication 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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