Hakan Nickel Alloys, located in Istanbul, Turkey, has built a solid reputation as a manufacturer and supplier of top-notch nickel alloy fasteners, including Incoloy 800/800H/800HT Bolts. The company focuses on providing corrosion-resistant and heat-resistant fastening solutions to industries around the globe. With a strong commitment to quality, precision engineering, and compliance with international standards, Hakan Nickel Alloys delivers bolts that are perfect for high-temperature and high-stress applications. Their dedication to reliability, quick delivery, and customer satisfaction has made them a go-to supplier for critical sectors like petrochemical, power generation, furnace manufacturing, and chemical processing, where durable fastening solutions are a must.
Incoloy 800/800H/800HT Bolts are primarily made up of nickel (30–35%), chromium (19–23%), and iron, with carefully controlled amounts of carbon, aluminum, and titanium. These alloys are designed to resist oxidation, carburization, and high-temperature corrosion effectively. The bolts boast impressive mechanical properties, featuring tensile strength between 500–650 MPa, yield strength of 200–300 MPa, and elongation of up to 45%. The 800H and 800HT grades offer improved creep and rupture strength at high temperatures, thanks to their higher carbon and aluminum-titanium content, ensuring they perform exceptionally well in extreme industrial settings.
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Alloy 800/800H/800HT Bolt Specifications |
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| Specifications | : | ASTM B 408 ASME SB 408 |
| 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 Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts. |
| Grade | C | Mn | Si | Fe | S | Cr | Al-Ti | Ni | |
| 800 | min. | – | – | – | 39.5 | – | 19.0 | 0.15 | 30.0 |
| max. | 0.1 | 1.5 | 1.0 | – | 0.015 | 23.0 | 0.60 | 35.0 | |
| 800H | min. | 0.05 | – | – | 39.5 | – | 19.0 | 0.15 | 30.0 |
| max. | 0.1 | 1.5 | 1.0 | – | 0.015 | 23.0 | 0.60 | 35.0 | |
| 800HT | min. | 0.06 | – | – | 39.5 | – | 19.0 | 0.85/0.25 | 30.0 |
| max. | 0.1 | 1.5 | 1.0 | – | 0.015 | 23.0 | 1.20/0.60 | 35.0 | |
| 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 | ||||
| 800-H-HT | 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 Bolts 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 Bolts are perfect for fastening components in environments that experience high temperatures and corrosive conditions. They are frequently used in heat exchangers, industrial furnaces, petrochemical plants, and power generation facilities, where maintaining mechanical stability under thermal stress is crucial. These bolts excel at securing equipment that faces oxidation, carburization, and thermal cycling.
