Incoloy Alloy 800H Nickel Alloy Rod High Temperature Nickel Iron Chromium Alloy
| Attribute | Value |
|---|---|
| Name | Incoloy Alloy 800H |
| Melting Point | 1350-1400°C (2460-2550°F) |
| Tensile Strength | 520-690 MPa (75,400-100,000 psi) |
| Yield Strength (0.2% offset) | 205-310 MPa (29,700-45,000 psi) |
| Elongation | 30% min |
| Hardness (Brinell) | ≤200 HB |
| Electrical Resistivity | 1.08 µΩ·m at 20°C (68°F) |
| Thermal Conductivity | 11.0 W/m·K at 20°C (68°F) |
| Specific Heat Capacity | 460 J/kg·K at 20°C (68°F) |
| Coefficient of Thermal Expansion | 14.2 µm/m·K (20-100°C) |
| Density | 7.94 g/cm³ |
| Magnetic Permeability | ≤1.01 (approximate) |
Incoloy 800H Alloy: High-Temperature Nickel-Iron-Chromium Alloy For Demanding Industrial Applications
Incoloy 800H is a nickel-iron-chromium alloy designed for high-temperature applications. It offers excellent strength and oxidation resistance at elevated temperatures up to 1100°C (2010°F), making it suitable for use in demanding industrial environments. The alloy exhibits good creep and rupture properties, maintaining its mechanical integrity over extended periods under thermal stress.
Incoloy 800H is also resistant to carburization and oxidation in high-temperature atmospheres, contributing to its longevity and reliability in applications such as industrial furnaces, petrochemical processing, heat treatment equipment, power generation, and aerospace components.
This alloy is characterized by its ability to withstand thermal cycling and maintain dimensional stability, crucial for applications requiring robust performance under varying temperature conditions. Incoloy 800H can be readily formed, machined, and welded using standard techniques, offering flexibility in manufacturing processes. Its combination of high-temperature strength, corrosion resistance, and ease of fabrication makes it a preferred choice in industries where reliability and performance in extreme environments are paramount.
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 30.0 - 35.0 |
| Iron (Fe) | 39.5 min |
| Chromium (Cr) | 19.0 - 23.0 |
| Aluminum (Al) | 0.15 - 0.60 |
| Carbon (C) | 0.05 - 0.10 |
| Titanium (Ti) | 0.15 - 0.60 |
| Manganese (Mn) | 1.50 max |
| Sulfur (S) | 0.015 max |
| Silicon (Si) | 1.00 max |
| Copper (Cu) | 0.75 max |
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