Inconel 800HT is a high-performance alloy from the Inconel 800 series, made from a mix of iron, nickel, and chromium. It is widely valued for its incredible strength and ability to resist oxidation and carburization in extreme heat. This blog explores its properties, chemical composition, and long-lasting durability, explaining why it is a preferred material for industries like petrochemicals, power generation, and thermal processing.
Often referred to as Alloy 800HT, this alloy is an upgraded version of Inconel 800, designed to offer better resistance to high temperatures and creep rupture. It can withstand temperatures up to 1100°C (2010°F) while maintaining its strength, making it essential for heat treatment, chemical processing, and power plant operations.
The chemical makeup of Inconel 800HT plays a crucial role in its ability to perform under harsh conditions. Its carefully balanced elements contribute to its superior heat and corrosion resistance, making it a reliable choice for demanding environments.
Element | Percentage (%) |
Nickel (Ni) | 30-35 |
Chromium (Cr) | 19-23 |
Iron (Fe) | 39.5 min |
Manganese (Mn) | up to 1.5 |
Carbon (C) | 0.06-0.10 |
Aluminium (Al) | 0.15-0.60 |
Titanium (Ti) | 0.15-0.60 |
Silicon (Si) | up to 1 |
Sulfur (S) | up to 0.015 |
This blend of elements provides the material with its unique properties, such as high-temperature strength and resistance to scaling and oxidation.
Inconel 800HT’s high-temperature properties and excellent corrosion resistance make it well-suited for a variety of challenging conditions, particularly in heat treatment applications.
Property | Value |
Density | 7.94 g/cm³ |
Melting Point | 1357-1385°C (2475-2525°F) |
Tensile Strength | 500 MPa (72,500 psi) |
Yield Strength (0.2% Offset) | 200 MPa (29,000 psi) |
Elongation | 30-45% |
Inconel 800HT’s resilience, especially its high-temperature properties, makes it suitable for critical applications where ordinary metals might fail.
Alloy | Temperature Capability | Corrosion Resistance | Application Suitability |
Inconel 800HT | Up to 1100°C | Excellent | High-temperature industrial applications |
Inconel 800 | Up to 800°C | Good | General industrial applications |
Inconel 600 | Up to 1150°C | Superior | Applications requiring optimum corrosion resistance |
Insight:
Inconel 800HT is a high-performance alloy known for its superior creep strength and excellent thermal properties at high temperatures. It offers a well-balanced solution, making it a better choice over Inconel 800 for applications that demand extreme heat resistance.
Built to withstand tough conditions, Inconel 800HT lasts longer in high-heat environments, minimizing the need for frequent repairs or replacements. Its strong oxidation resistance ensures reliability, making it essential for industries where equipment failure can cause major disruptions and safety concerns.
Inconel 800HT excels in environments where ordinary metals fail, thanks to its high strength and corrosion resistance at elevated temperatures. Its durable composition makes it a trusted choice for industries that require consistent performance under pressure. By choosing Inconel 800HT, businesses can enhance efficiency, extend equipment life, and improve operational reliability in demanding thermal applications.
To source high-quality alloys for your critical applications, rely on a trusted Inconel supplier in India for premium-grade materials and reliable service.
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