Incoloy 800, Incoloy 800H, and Incoloy 800HT are high-performance nickel-iron-chromium alloys known for their excellent strength and corrosion resistance, particularly in high-temperature environments. Fasteners made from these alloys are widely used in various industries, including aerospace, chemical processing, and power generation, where extreme conditions demand materials with exceptional properties.
Incoloy 800: Incoloy 800 is a basic alloy with a composition of nickel, chromium, and iron, designed for service temperatures up to 1100°C (2000°F). Its resistance to oxidation, carburization, and nitridation makes it suitable for applications in elevated temperature atmospheres. Incoloy 800 fasteners are employed in furnace components, petrochemical processing, and heat-treating equipment.
Table Of Content
Incoloy 800H: Incoloy 800H is an enhanced version of Incoloy 800, featuring higher carbon content for improved high-temperature strength. This modification provides enhanced creep and rupture properties, making it suitable for applications that require sustained elevated temperatures. Incoloy 800H fasteners are commonly used in industrial furnaces, power generation plants, and chemical processing units.
Incoloy 800HT: Incoloy 800HT takes the alloy a step further, offering even greater high-temperature strength and corrosion resistance. With a higher nickel content and controlled carbon, aluminum, and titanium levels, Incoloy 800HT is optimized for extreme environments. Fasteners made from Incoloy 800HT are ideal for applications such as steam generators, pressure vessels, and gas turbine components.
Key Features:
High Temperature Resistance: All three alloys exhibit excellent
resistance to oxidation and high-temperature corrosion, making them suitable for
use in demanding heat-intensive applications.
Corrosion Resistance: The nickel-chromium composition imparts
exceptional corrosion resistance, making these alloys ideal for aggressive
chemical environments.
Mechanical Strength: The alloys offer impressive mechanical
strength, ensuring the structural integrity of fasteners even under extreme
conditions.
Versatility: Incoloy 800, 800H, and 800HT fasteners find
applications across diverse industries, highlighting their versatility and
reliability.
Applications: These fasteners are crucial components in
industries where reliability under extreme conditions is paramount, including
aerospace, chemical processing, and power generation. Their ability to withstand
high temperatures and corrosive environments makes them indispensable in
critical infrastructure and industrial processes.
ASTM B408 / ASME SB408
DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
M3 - M100 | 3/6″ - 4″ | Custom Sizes
DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
UNF, BSW, BSF, METRIC, UNC, or as required
ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Hex, Threading, Square, Round as per Gauge Etc.
Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 | XH32T |
| Incoloy 800HT | 1.4959 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 | XH32T |
| 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 – 0.60 | 0.15 – 0.60 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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