When it comes to Hastelloy B3 Bars and Rods, Rupal Metals stands out as a reliable manufacturer and supplier based in Delhi, India. Known for its remarkable resistance to reducing environments, Hastelloy B3 is a high-quality nickel-molybdenum alloy that excels in corrosive conditions, especially in hydrochloric acid and other harsh chemicals. Rupal Metals offers precision-engineered bars and rods in various sizes and finishes, all crafted to meet rigorous quality and performance standards. Catering to sectors like chemical processing, pharmaceuticals, and power generation, Rupal Metals guarantees durable and dependable products for even the toughest corrosive challenges.
Hastelloy B3 is made up of 57% nickel and 29% molybdenum, along with trace amounts of iron, chromium, and manganese. This unique composition gives the alloy exceptional resistance to reducing agents, particularly hydrochloric acid, along with impressive pitting and stress corrosion resistance. With a tensile strength of about 600 MPa, it also boasts good ductility and toughness. Hastelloy B3 performs admirably at high temperatures and is known for its excellent weldability and fabricability, making it a great choice for complex components that face highly aggressive reducing environments in various chemical and industrial applications.
| Standard | ASTM B335, ASME SB335 |
| 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 | Ni | Mo | Cr | Fe | W | Mn | C | Al | Ti | Si |
| Hastelloy B3 | 65.0 min | 28.5 | 1.5 | 1.5 | 3.0 max | 3.0 max | 0.01 max | 0.50 max | 0.2 max | 10 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 9.2 g/cm3 | 1370 °C (2550 °F) | Psi – 1,15,000 , MPa –760 | Psi – 52,000 , MPa – 350 | 40% |
| STANDARD | WERKSTOFF NR. | UNS |
| Hastelloy B3 | 2.4600 | N10675 |
Hastelloy B3 bars offer exceptional resistance to hydrochloric acid, excellent weldability, and superior corrosion resistance in aggressive environments. They also provide high strength and durability at elevated temperatures.
Yes, Hastelloy B3 rods can be welded using appropriate welding techniques. It is important to control heat input to avoid potential cracking or damage to the material.
Hastelloy B3 rods are available in various sizes, typically ranging from small diameters (1/8" to 1") to larger dimensions depending on the application. They are commonly offered in finishes such as cold-finished, hot-rolled, or polished for specific requirements.
Rupal Metals’ Hastelloy B3 Bars and Rods find extensive use across the chemical processing, pharmaceutical, petrochemical, and power industries. Common applications include reactor vessels, heat exchangers, piping systems, valves, and pumps that deal with highly corrosive reducing agents like hydrochloric acid. Thanks to its outstanding resistance to pitting, stress corrosion cracking, and crevice corrosion, this alloy is perfect for components that are regularly exposed to aggressive chemical environments.






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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