Varun Sheets and Plates is your go-to manufacturer and supplier of Incoloy 800, 800H, and 800HT Nuts, proudly based in Dubai, UAE. We specialize in high-performance fastening solutions tailored for industries like petrochemical, oil & gas, power generation, and high-temperature processing. Our Incoloy 800 series nuts are crafted with meticulous quality control and advanced machining techniques, guaranteeing outstanding mechanical strength, corrosion resistance, and precise dimensions. With a robust supply network throughout the Middle East, Varun is committed to delivering durable fastening components designed for long-lasting performance in even the harshest environments.
Incoloy 800, 800H, and 800HT are nickel-iron-chromium alloys known for their high-temperature strength and resistance to oxidation, carburization, and stress-related corrosion. These nuts boast impressive mechanical properties, with tensile strengths ranging from 500 to 600 MPa. The H and HT grades offer enhanced creep and rupture strength thanks to their higher carbon content and controlled grain size, making them perfect for elevated temperature applications.
| 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 Elvis Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Incoloy 800/800H/800HT Nuts in Texas, USA, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the USA, 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.
You’ll find Incoloy 800/800H/800HT Nuts commonly used in heat exchangers, furnaces, reactors, boiler systems, and hydrocarbon processing equipment. They’re designed for situations where fasteners need to endure high thermal loads and corrosive conditions. Available in a variety of thread types, sizes, and finishes, these nuts ensure a secure, vibration-resistant assembly in critical systems. Varun is here to provide both standard and custom specifications to meet the demanding needs of industrial projects, delivering nuts that blend strength, reliability, and exceptional corrosion resistance.
