Anucha Metals, a top-notch manufacturer and supplier based in Bangkok, Thailand, is all about delivering high-quality Hastelloy B2 Bars and Rods to meet a variety of industrial needs. These bars and rods are renowned for their remarkable resistance to hydrochloric acid and tough reducing environments, ensuring they perform exceptionally well even in the harshest conditions. With a strong commitment to international standards, Anucha Metals guarantees that every product is durable, precise, and reliable. That’s why Hastelloy B2 Bars and Rods are a go-to choice in sectors like chemical, petrochemical, marine, and power generation, where superior corrosion resistance and mechanical strength are non-negotiable.
Made primarily from nickel and molybdenum, with just a touch of iron and chromium, Hastelloy B2 Bars and Rods boast impressive resistance to hydrochloric acid and reducing agents. They are known for their excellent toughness, ductility, and ability to withstand stress corrosion cracking. Even in extreme conditions, these bars and rods maintain outstanding mechanical properties, including high tensile and yield strength. Their carefully controlled composition helps prevent carbide precipitation, ensuring stability during welding and fabrication, which is crucial for demanding industrial applications that require both corrosion resistance and durability.
| 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.
Hastelloy B2 Bars and Rods find extensive use in industries that demand exceptional corrosion resistance, especially in aggressive chemical environments. They’re perfect for equipment in chemical processing, like reactors, heat exchangers, and evaporators, where resistance to hydrochloric and sulfuric acids is vital. In the pharmaceutical and marine sectors, these rods and bars provide longevity and reliability when exposed to harsh chemicals and seawater. Plus, they play a key role in power generation, pollution control, and waste treatment plants, delivering durability, safety, and efficiency in high-performance applications under severe operating conditions.






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