Inconel 601 is particularly well-suited for thermal processing equipment, industrial furnaces, and chemical processing systems, making it a reliable choice in some of the world’s most demanding environments.
Inconel 601, offered by SUNNING STEEL, is a nickel-chromium-iron alloy engineered for applications requiring exceptional resistance to heat and oxidation, even under cyclic conditions. It maintains high mechanical strength, outstanding metallurgical stability, and excellent resistance to carburization and sulfur-containing atmospheres.
| Standard Specifications | ASTM B166, B167, B168, B564, B751, B775, B366 |
| Forms Available | Bar, Rod, Sheet, Plate, Pipe, Tube, Coil |
| Melting Range | 1360–1411°C |
| Density | 8.11 g/cm³ |
| Service Temperature Range | Up to 1200°C (2200°F) |
| Corrosion Resistance | Excellent in oxidizing & high-temperature gases |
| Element | Content (%) |
| Nickel (Ni) | 58.0 – 63.0 |
| Chromium (Cr) | 21.0 – 25.0 |
| Iron (Fe) | Balance |
| Aluminum (Al) | 1.0 – 1.7 |
| Carbon (C) | ≤ 0.10 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 0.5 |
| Sulfur (S) | ≤ 0.015 |
| Copper (Cu) | ≤ 1.0 |
| Property | Value |
| Density | 8.11 g/cm³ |
| Electrical Resistivity | 1.27 μΩ·m |
| Thermal Conductivity | 13.3 W/m·K at 100°C |
| Specific Heat Capacity | 502 J/kg·K |
| Coefficient of Expansion | 13.7 μm/m·°C (20–1000°C) |
| Magnetic Properties | Non-magnetic |
Inconel 601 offers superior oxidation resistance at high temperatures due to the formation of a strong and stable oxide layer, even in cyclic heating environments. It also contains aluminum, which enhances its performance in oxidizing and nitriding atmospheres.
It is widely used in aerospace, chemical processing, power generation, metallurgy, and thermal treatment facilities—especially in components exposed to high thermal stress and corrosive gases.
It performs very well in carburizing conditions, resisting degradation from carbon exposure due to its chromium and aluminum content, which help in forming a protective oxide layer.
While it excels in oxidizing environments, Inconel 601 is less effective in strongly reducing environments such as hydrogen sulfide (H₂S) or pure hydrogen unless it is specially treated or alloyed for such conditions.
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