Chung Metal offers Hastelloy B3 Bars and Rods, a nickel-molybdenum alloy specifically produced for performance against hydrochloric acid in various concentrations and at high temperatures. B3 provides a combination of chemical resistance and fabricability, particularly in conditions with high concentrations of reducing acids. Bars/rods are produced under careful composition control and finish to provide resistance to localized corrosion and maintain mechanical strength.
Hastelloy B3 contains high nickel (~65‑75%), molybdenum (~20‑25%), with minor chromium and trace of carbon. Resistant to pitting and localized corrosion in reducing acid medium. Tensile strength in annealed state is moderate (~550‑700 MPa), elongation fair; good weldability and toughness. Density ~8.9 g/cm³; high melting point (above 1350°C).
| 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.
Applied in chemical processing equipment, particularly hydrochloric acid (HCl) plants, acid production, pickling, acid recovery, acid blending vessels, and chemical plant piping. Also applied in heat exchangers and reactors where the aggressive reducing acids are working. Suitable for uses where there is a need for corrosion resistance along with strength against chemical attack in reducing environments.






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