Based in the heart of Kinshasa, Okoye Nickel Alloys stands as a trusted partner for industry, specializing in the precision manufacture of high-performance components. We understand that the integrity of your projects often hinges on the smallest details, which is why we produce superior Hastelloy bolts. Sourced and crafted in Congo, our commitment is to provide durable, reliable fastening solutions that meet the rigorous demands of challenging environments, ensuring your operations proceed with unwavering confidence and security.
Our Hastelloy bolts are engineered from a unique composition primarily of nickel, molybdenum, and chromium, which grants them a remarkable resistance to corrosion. This blend of elements creates a material with exceptional strength and the ability to maintain its structural integrity under extreme thermal stress. They are designed not just to hold components together, but to do so reliably in situations where ordinary materials would quickly degrade, offering a longevity that is essential for critical applications.
| Specifications | ASTM B 574 ASME SB 574 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
Hastelloy Bolts |
Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
| Balance | 0.01 max | 15 – 17 | 1.0 max | 0.08 max | 4 – 7 | 0.04 max | 0.03 max | 2.5 max | 14.5 – 16.5 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 52,000 , MPa – 355 | Psi – 1,15,000 , MPa – 790 | 40 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Bolts in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
The true value of Hastelloy bolts is realized in the most demanding sectors, where failure is not an option. They are indispensable in chemical processing plants, safely containing aggressive acids and halogens. Within the oil and gas industry, they withstand corrosive sour gas environments, while in marine settings, they brave saltwater corrosion. From pollution control scrubbers to the high-temperature chambers of industrial furnaces, these bolts provide the silent, steadfast reliability that keeps complex and hazardous operations running smoothly and safely.