Wuxi Nickel Alloy New Material Technology Co., Ltd
Wuxi Nickel Alloy New Material Technology Co., Ltd
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High-Temperature Resistant Incoloy 800H/HT Plates | ASTM B409 Certified for Heat Treatment Systems
Incoloy 800H/HT rods are high-temperature alloys renowned for their exceptional strength and resistance to oxidation and carburization. These rods are widely used in industries requiring materials that can withstand elevated temperatures and harsh environments, such as chemical processing, power generation, and petrochemical applications.
Product Specifications
The detailed chemical composition, mechanical properties, and physical parameters of Incoloy 800H/HT rods are as follows:
Chemical Composition:
| Element | Incoloy 800H (%) | Incoloy 800HT (%) |
|---|---|---|
| Nickel (Ni) | 30.0 – 35.0 | 30.0 – 35.0 |
| Chromium (Cr) | 19.0 – 23.0 | 19.0 – 23.0 |
| Iron (Fe) | Balance | Balance |
| Carbon (C) | 0.05 -0.1 | 0.06-0.1 |
| Aluminum + Titanium | 0.30-1.20 | 0.85-1.20 |
| Titanium (Ti) | 0.15 – 0.60 | 0.15 – 0.60 |
| Aluminum (Al) | 0.15 – 0.60 | 0.15 – 0.60 |
Mechanical Properties:
| Property | Incoloy 800H | Incoloy 800HT |
|---|---|---|
| Tensile Strength (MPa) | 515 | 585 |
| Yield Strength (MPa) | 205 | 275 |
| Elongation (%) | 30 | 30 |
| Hardness (Rockwell B) | 85 | 85 |
Physical Properties:
| Property | Value |
|---|---|
| Density (g/cm³) | 7.94 |
| Melting Point (°C) | 1357-1385 |
| Thermal Conductivity (W/m·K) | 11.5 |
| Specific Heat (J/kg·K) | 460 |
| Electrical Resistivity (µΩ·cm) | 0.989 |
Standards and Specifications:
Incoloy 800H/HT rods conform to the following standards:
ASTM B408: Standard Specification for Nickel-Iron-Chromium Alloys (UNS N08800, N08810, N08811) Plate, Sheet, and Strip
ASTM B407: Standard Specification for Nickel-Iron-Chromium Alloys (UNS N08800, N08810, N08811) Pipe and Tube
ASTM B408: Standard Specification for Nickel-Iron-Chromium Alloys (UNS N08800, N08810, N08811) Plate, Sheet, and Strip
Applications
Incoloy 800H/HT rods are utilized in various applications, including:
Heat exchangers
Reforming reactors
Gas turbines
Furnace components
Petrochemical processing
Power plant components
Frequently Asked Questions
What is the difference between Incoloy 800H and 800HT?
Incoloy 800H and 800HT are both high-temperature alloys with similar chemical compositions. The primary difference lies in their mechanical properties, with 800HT offering higher tensile and yield strengths due to controlled heat treatment processes.
What industries commonly use Incoloy 800H/HT rods?
Industries such as chemical processing, power generation, petrochemical, and aerospace frequently use Incoloy 800H/HT rods for applications requiring resistance to high temperatures and corrosive environments.
Can Incoloy 800H/HT rods be welded?
Yes, Incoloy 800H/HT rods can be welded using standard welding techniques suitable for nickel-based alloys. It is essential to follow appropriate welding procedures to maintain the material's integrity and performance.
Are there any special storage requirements for Incoloy 800H/HT rods?
Incoloy 800H/HT rods should be stored in a dry environment, protected from moisture and corrosive substances, to prevent surface degradation.
How does Incoloy 800H/HT perform in high-temperature applications?
Incoloy 800H/HT exhibits excellent resistance to oxidation and carburization at elevated temperatures, making it suitable for prolonged exposure in high-temperature environments.