Olwan Nickel Alloys, located in Amman, Jordan, stands out as a top manufacturer and supplier of premium Hastelloy Nuts, specifically designed for tough industrial and chemical settings. Known for their precision, durability, and metallurgical know-how, these nuts offer outstanding corrosion resistance, mechanical strength, and long-lasting reliability. By employing cutting-edge manufacturing methods and rigorous quality checks, Olwan Nickel Alloys guarantees that each Hastelloy Nut adheres to international performance and consistency standards. Catering to sectors like chemical processing, petrochemicals, power generation, and marine engineering, the company has built a solid reputation for providing robust, high-performance nuts that excel in demanding, high-stress environments.
Hastelloy Nuts are generally crafted from nickel-molybdenum-chromium alloys, often featuring grades such as C-22 or C-276, which contain 50–60% nickel, 12–16% chromium, and 15–20% molybdenum, along with iron, cobalt, and trace elements. This unique blend offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, Hastelloy Nuts showcase impressive tensile and yield strength, good ductility, and exceptional toughness. They maintain their structural integrity even under high-pressure, high-temperature, and chemically aggressive conditions, ensuring dependable performance in critical industrial applications.
| Specifications | ASTM F468, F467, B574 / ASME SF467, ASME SF468 ASME SB574 |
| Standards | JIS, DIN, ASTM, BS and all International Standards |
| Size | M4 To M100, 3/8″ Unc Till 4″ UNC |
| Length | M3 – M5 (Up to 50mm), M6 – M10 (up to 80mm) |
| Gasket Style | Style CG, Style CGI, Style R, Style RIR |
| Dimensions | DIN 931, 933, 934, 7991, 976, ASME B18.2.1, B18.3 ASME B16.5, ASME B16.47 SERIES A & B |
| Property Class: | For Bolts & Screws: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H For Nuts: A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040For SHCS: F837B, F837C, F837E, F837 For Threaded Rods: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8M CL1 & CL2 |
| Grade | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr | W | V |
| Hastelloy Nuts | 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 | 3–4.5 | 0.35 max |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Nuts | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
At Olwan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Nuts in Amman, Jordan, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Jordan, 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.
Hastelloy Nuts find extensive use in industries that demand corrosion-resistant and durable fasteners. In chemical and petrochemical facilities, they secure piping systems, reactors, valves, and pressure vessels that come into contact with acids, alkalis, and chlorides. Power generation plants utilize them in boilers, turbines, high-temperature piping, and heat exchangers, where strength and reliability are paramount. The marine and offshore sectors depend on Hastelloy Nuts for assemblies that are prone to corrosion, ensuring safety and durability in challenging environments.