Mourad Metals is a trusted manufacturer and supplier of Stainless Steel 321H Hollow Bars, proudly based in Tunis, Tunisia. They specialize in delivering top-notch products tailored to meet the rigorous demands of various industries. Thanks to their state-of-the-art manufacturing processes and stringent quality control measures, Mourad Metals ensures that their hollow bars meet international standards and boast impressive dimensional accuracy. Designed for high-temperature applications, these Stainless Steel 321H Hollow Bars excel in resisting intergranular corrosion and oxidation. With a strong focus on consistency, timely delivery, and customer satisfaction, Mourad Metals has become a go-to source for reliable stainless steel solutions around the globe.
Stainless Steel 321H Hollow Bar is an austenitic, titanium-stabilized stainless steel that features a higher carbon content, enhancing its strength at elevated temperatures. Its chemical makeup includes chromium and nickel for corrosion resistance, titanium to prevent carbide precipitation, and controlled carbon to boost creep resistance. On the mechanical side, it offers solid tensile and yield strength, remarkable toughness, and stability under thermal stress. This material retains its strength even at high temperatures, provides good weldability, and maintains its structural integrity during extended periods of high heat.
| 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.
These Stainless Steel 321H Hollow Bars find extensive use in applications that demand durability in high-temperature and corrosive environments. Common applications include heat exchangers, furnace components, boiler parts, pressure vessels, and equipment in the petrochemical industry. They are also vital in power generation, oil and gas processing, and chemical plants where resistance to thermal cycling is crucial. The hollow bar design not only reduces weight but also preserves strength, making it ideal for shafts, rings, and precision-machined components in critical industrial systems.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Mourad Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Tunis, Tunisia
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