Hakan Nickel Alloys, based in Istanbul, Turkey, stands out as a leading manufacturer and supplier of top-notch nickel alloy components, including Incoloy 800/800H/800HT Nuts. With a commitment to precision engineering and quality control, the company provides corrosion-resistant and heat-resistant fastening solutions designed for the toughest industrial settings. Their Incoloy nuts are crafted to meet rigorous international standards, ensuring exceptional mechanical strength and long-lasting durability. Catering to sectors like petrochemical, power generation, and heat treatment, Hakan Nickel Alloys has earned a solid reputation for reliability, prompt delivery, and technical know-how, making them a go-to partner for critical fastening needs around the globe.
Incoloy 800/800H/800HT Nuts are crafted from nickel-iron-chromium alloys, featuring about 30–35% nickel, 19–23% chromium, and a mix of iron, along with some carbon, aluminum, and titanium. These alloys are known for their outstanding resistance to oxidation, carburization, and high-temperature corrosion. Their mechanical properties include a tensile strength ranging from 500–650 MPa, yield strength between 200–300 MPa, and elongation of up to 45%. The 800H and 800HT variants are specifically designed for high-temperature applications, offering enhanced creep and rupture resistance. These characteristics make the nuts perfect for ensuring secure joints under extended thermal and mechanical stress.
| Standard | : | ASTM B425, ASME SB425, F2281 |
| Dimension | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Nut Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
| Type | : | Hex Nut, Heavy Hex Nut, Lock Nut, Nylock Nut, Weld Nut, Dome Nut, Flange Nut, Square Nut, Eye Nut etc. |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 800 | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60ᴬ | 0.15 – 0.60ᴬ |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 800 / 800H / 800HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
At Hakan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Incoloy 800/800H/800HT Nuts in Istanbul, Turkey, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Turkey, 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 800/800H/800HT Nuts play a crucial role in high-temperature and corrosive industrial settings, delivering dependable fastening solutions for vital equipment. They find extensive use in petrochemical facilities, heat exchangers, industrial furnaces, and power generation systems, especially in environments prone to oxidation, carburization, and thermal cycling. Additionally, these nuts are utilized in nuclear steam generators, showcasing their versatility and reliability in demanding applications.