Based in Delhi, India, Rupal Metals is a well-known producer and supplier of high-quality nickel alloy hollow bars, catering to both local and foreign markets. Focussing on quality, innovation, and customer satisfaction, Rupal Metals offers precisely engineered hollow bars that are appropriate for high-performance applications in vital industries. These bars are renowned for their exceptional resistance to corrosion, strength at high temperatures, and resilience in harsh conditions. Rupal Metals guarantees that each product satisfies strict international standards and provides customised nickel alloy grades and dimensions to meet the needs of the oil and gas, chemical processing, aerospace, and marine industries.
Depending on the alloy grade (such as Inconel, Monel, or Hastelloy), nickel alloy hollow bars are mainly made of nickel (up to 99%) with different amounts of chromium, molybdenum, copper, iron, and titanium. These alloys offer good mechanical stability, high-temperature strength, and exceptional corrosion resistance. The typical yield strength is between 240 and 600 MPa, while the typical tensile strength is between 600 and 1000 MPa. At very high temperatures, nickel alloys continue to exhibit exceptional ductility and toughness. They are perfect for precision-engineered applications in demanding environments because they can be shaped, welded, and machined.
| Grade | Nickel Alloy – Pure Nickel |
|---|---|
| Specification | Nickel Bar Cold Finished : B160, SB160 400: B164, SB164, QQ-N-281 405: B164, SB164, QQ-N-281, ASTM B160 |
| Standard | ASTM, ASME, API, GB, AISI, DIN, EN, SUS, UNS |
| Round bar size | Diameter: 3-~800mm |
| Round Bar Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Round Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Condition | Hardened & tempered, annealed |
| Technique | Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Processing | Bar cutting to 650mm |
| Ni | Fe | C | Mn | Si | Cu | Mg | Ti | S |
|---|---|---|---|---|---|---|---|---|
| 99.0 Min | 0.4 Max | 0.02 Max | 0.35 Max | 0.2 Max | 0.25 Max | 0.15 Max | 0.1 Max | 0.01 Max |
| 99.0 Min | 0.4 Max | 0.15 Max | 0.35 Max | 0.1 Max | 0.25 Max | – | – | 0.01 Max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.9 G/Cm3 | 1446 °C (2635 °F) | Psi – 67000 , MPa – 462 | Psi – 21500 , MPa – 148 | 45 % |
Yes, Nickel Alloy Hollow Bars can be used for underground applications due to their excellent corrosion resistance, durability, and ability to withstand harsh environmental conditions.
Yes, we provide bars and rods in standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@rupalmetals.com
Applications requiring high strength, resistance to corrosion, and thermal stability make extensive use of nickel alloy hollow bars. These consist of heat exchangers, power generation components, marine hardware, offshore oil and gas platforms, and chemical processing equipment. They are utilised in aerospace for structural elements and engine parts that are subjected to high temperatures. They are perfect for producing precision tubes, bushings, valves, and pressure-containing components because of their hollow design, which lowers weight without sacrificing strength. Because of their resilience to harsh media, they are also essential in the food processing and pharmaceutical industries, guaranteeing long-term performance and hygiene in demanding settings.
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
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