Sahil Metals, a prominent manufacturer and supplier located in Riyadh, Saudi Arabia, is known for its top-notch metals and engineered solutions tailored for a variety of industrial needs. With a reputation built on precision and reliability, the company boasts an extensive product lineup that includes stainless steel, alloy steels, and specialty metals. One of their standout products is the Stainless Steel 321H Hollow Bar, crafted to meet rigorous industry standards. Committed to excellence, Sahil Metals guarantees outstanding material performance, prompt delivery, and customized solutions for sectors like oil and gas, petrochemical, power generation, and heavy engineering.
The Stainless Steel 321H Hollow Bar is an austenitic stainless steel alloy that can withstand high temperatures, thanks to the addition of titanium which enhances its stability against chromium carbide formation. It offers remarkable corrosion resistance in oxidizing environments and boasts impressive mechanical properties even at elevated temperatures. The typical composition features chromium, nickel, and titanium, striking a perfect balance between strength, toughness, and thermal stability. Its mechanical properties include high tensile strength, yield strength, and good ductility, making it ideal for applications that require long-lasting performance under stress and temperature fluctuations without sacrificing structural integrity.
| 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 their place in various high-temperature industrial applications, such as furnace parts, heat exchangers, chemical processing equipment, and aerospace components. Their ability to resist scaling, oxidation, and intergranular corrosion makes them perfect for environments that experience thermal cycling and chemical exposure. Additionally, they are used in the production of shafts, tubes, and mechanical parts that demand durability, strength, and reliability. Industries like petrochemical, power generation, and manufacturing depend on 321H hollow bars for essential components that require a long service life, high performance, and minimal maintenance even in challenging operating conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sahil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Riyadh, Saudi Arabia
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