Hastelloy B3 Bars and Rods are top-notch alloy products crafted to excel in tough chemical environments. They’re made with meticulous attention to detail, ensuring they’re durable, reliable, and consistent for critical applications. Renowned for their enhanced thermal stability and impressive resistance to hydrochloric acid across various concentrations and temperatures, Hastelloy B3 Bars and Rods are the go-to choice for industries that tackle harsh chemical processes. With their excellent formability and weldability, they promise long-lasting performance even in extreme conditions. These qualities make them essential for demanding applications in sectors like chemical, petrochemical, marine, and power generation around the globe.
These bars and rods are mainly made of nickel and molybdenum, with a touch of iron and chromium, specifically designed to endure strong reducing agents. The alloy boasts remarkable resistance to pitting, corrosion, and stress cracking, ensuring they hold up in severe environments. Their mechanical properties include high tensile strength, outstanding toughness, and impressive durability across a wide temperature range. Compared to earlier B-series alloys, Hastelloy B3 offers better thermal stability, reducing the risk of grain boundary precipitation during welding or thermal processing. These features make Hastelloy B3 Bars and Rods perfect for industries that demand strong corrosion resistance and mechanical integrity.
| 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.
In the chemical processing sector, Hastelloy B3 Bars and Rods are widely used to manufacture reactors, agitators, piping systems, and pressure vessels that handle hydrochloric acid, sulfuric acid, and other aggressive chemicals. In the pharmaceutical and food industries, they help maintain contamination-free operations in equipment that comes into contact with corrosive cleaning agents. The marine and offshore industries also benefit from their robust resistance to corrosion caused by seawater. Additionally, they find extensive applications in pollution control systems and petrochemical plants.






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