Welcome to Maduka Metals, your trusted partner for premium industrial materials right here in Abuja. We specialize in providing high-performance nickel alloys, with a particular focus on the exceptional quality and reliability of Hastelloy B2 bars and rods. Our commitment is to support Nigeria’s growing industrial sector by supplying materials that meet the most demanding standards, ensuring your projects are built on a foundation of durability and excellence.
Hastelloy B2 is a nickel-molybdenum alloy renowned for its outstanding resistance to hydrochloric acid at various concentrations and temperatures. It offers excellent strength and toughness, maintaining its structural integrity even in highly corrosive environments. This combination of a robust nickel base with a significant molybdenum content results in a material that is both incredibly durable and reliable for the most challenging applications, where failure is not an option.
| 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 | Mn | C | P | S | Si |
| Hastelloy B2 | Bal | 26 – 30 | 1.0 | – | 0.1 | 0.02 | 0.04 | 0.03 | 0.1 |
| 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 | GOST | AFNOR | JIS | OR | EN |
| Hastelloy C22 | 2.4602 | N06022 | – | – | NW 6022 | – | NiCr21Mo14W |
Yes, Hastelloy B2 rods can be welded. However, it requires proper techniques and filler materials to avoid cracking due to their sensitivity to heat-affected zones.
Hastelloy B2 bars offer exceptional resistance to hydrochloric acid and other corrosive environments, along with excellent weldability and high strength. They are highly resistant to pitting, stress corrosion, and localized corrosion.
Hastelloy B2 rods are available in various sizes, ranging from small diameters to larger rods, with common diameters including 0.125 inches to 4 inches. They typically come in a polished or cold-drawn finish, depending on the application requirements.
The unique properties of Hastelloy B2 make it indispensable in industries where aggressive chemical exposure is a daily reality. You will find these bars and rods at the heart of chemical processing equipment, in components for pharmaceutical manufacturing, and within pickling tank heaters in metal production. They are essential for constructing reactors, valves, and pumps that handle harsh acids, ensuring long-lasting performance and safety in critical operations across Nigeria and beyond.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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