Okoye Nickel Alloys is a well-respected manufacturer and supplier based in Kinshasa, Congo, specializing in top-notch Inconel 625 Stud Bolts that are perfect for high-performance applications in tough environments. Made from a nickel-chromium-molybdenum alloy, these bolts boast remarkable corrosion resistance, impressive tensile strength, and stability against oxidation, even in harsh chemical and marine conditions. You’ll find Inconel 625 Stud Bolts commonly used in industries like offshore oil drilling, power generation, aerospace, and chemical processing. With a commitment to precision engineering and rigorous quality standards, Okoye Nickel Alloys guarantees that each bolt offers excellent fatigue resistance, a long service life, and reliable fastening performance, even under high pressure and elevated temperatures.
Inconel 625 Stud Bolts are primarily made up of nickel (at least 58%) and chromium (20–23%), along with molybdenum (8–10%), niobium (3.15–4.15%), and small amounts of iron, titanium, and aluminum. This special blend provides outstanding resistance to pitting, crevice corrosion, and cracking caused by chlorides. In terms of mechanical properties, these bolts have a tensile strength of around 827 MPa, a yield strength of 414 MPa, and exceptional creep and fatigue resistance up to 1000°C. Their remarkable toughness and durability make them perfect for critical operations that require secure fastening in corrosive and high-stress environments.
| Specification | ASTM F468, B166 / ASME SF468, SB166 |
|---|---|
| Size | M02 to M33, Custom Sizes |
| Length | 3 mm to 200 mm |
| Stud Bolt | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard | DIN 525, DIN 835, DIN 938, DIN 939, DIN 940, DIN 949-1, DIN 949-2, DIN 975, DIN 976, DIN 2509, BS 2693, BS 3692, BS 4439, IS 1862, IS 13178, ANSI/ASME B18.31.2, ANSI/ASME B16.5 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Types | Stud Bolts, Fully Threaded Stud Bolts, Tap End Stud Bolts, Double End Stud Bolts, Stud Bolts with Reduced Shank, Reduced Shank, Flange Stud Bolts, Flange Bolting, Weld Studs |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production process | M24-M100: hot forging, M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Head drive of Stud Bolts | Six-Lobe, Phillips, Phillips/Slot, Slotted etc |
| Packing of Stud Bolts | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Ptfe Coated Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | – | 5.0 max | 58.0 min | 20.0 – 23.0 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel 625 | 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 517 | 42.5 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Inconel 625 Stud 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.
Inconel 625 Stud Bolts are widely utilized in various industries, including chemical plants, marine engineering, aerospace, and nuclear reactors, thanks to their impressive strength and resistance to corrosion. These bolts are perfect for applications like heat exchangers, turbine assemblies, pressure vessels, exhaust systems, and piping joints that face extreme heat and harsh chemicals. In the offshore oil and gas sector, they excel in challenging environments, such as seawater and acidic, chloride-rich conditions. Moreover, Inconel 625 Stud Bolts are also found in pollution control equipment, jet engines, and gas processing systems, providing dependable fastening solutions where traditional materials might struggle under high temperatures and corrosive conditions.
