Olwan Nickel Alloys, based in Amman, Jordan, is a trusted manufacturer and supplier of premium Incoloy 825 nuts. Known for their exceptional corrosion resistance, high strength, and durability, these nuts are engineered to provide reliable performance in demanding industrial, chemical, and marine environments. Each nut is manufactured with precision and undergoes strict quality control to ensure consistent mechanical performance and dimensional accuracy. Industries requiring secure and long-lasting fastening solutions rely on Olwan Nickel Alloys’ Incoloy 825 nuts, which combine superior alloy properties with reliability, making them ideal for chemical, petrochemical, offshore, marine, and high-temperature applications.
Incoloy 825 nuts are made from a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium, providing outstanding resistance to corrosion, oxidation, and chemical attack. These nuts exhibit excellent tensile strength, toughness, and mechanical stability even in high-temperature and aggressive chemical environments. Their combination of hardness, flexibility, and durability ensures reliable fastening, long-term performance, and minimal maintenance. Designed for demanding industrial applications, Incoloy 825 nuts maintain structural integrity and mechanical reliability, making them suitable for use in chemical processing, petrochemical, marine, and offshore environments.
| Specifications | : | ASTM B 425 ASME SB 425 |
| 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 nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | Fe | S | Cr | Cu | Ti | |
| 825 | min. | – | – | – | 22.0 | – | 19.5 | 1.5 | 0.6 |
| max. | 0.05 | 1.0 | 0.5 | – | 0.015 | 23.5 | 3.0 | 1.2 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 825 | Psi – 80,000 , MPa – 550 | Psi – 32,000 , MPa –220 | 30 | – | – |
At Olwan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Incoloy 825 Nuts 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.
Incoloy 825 nuts are widely used in chemical processing, petrochemical, offshore oil and gas, marine, and power generation industries, where secure and corrosion-resistant fastening is critical. They are ideal for use with bolts and studs in pipelines, pressure vessels, heat exchangers, structural assemblies, and high-temperature equipment exposed to harsh chemicals. Their durability and resistance to stress corrosion make them suitable for long-term, high-performance applications. Engineers and manufacturers rely on Incoloy 825 nuts to ensure safe, efficient, and maintenance-free fastening, providing reliable performance and operational continuity in demanding industrial, marine, and offshore processes.
