Inconel 601 (UNS N06601) Technical Guide: Performance, Processing, and Datasheets
Inconel 601 (UNS N06601) Technical Guide: Performance, Processing, and Datasheets
As a leading ISO 9001 certified manufacturer, Gnee Steel understands that selecting the right materials for high-temperature environments is crucial to the success of your engineering projects. Inconel 601 (UNS N06601 / W.Nr. 2.4851) is a nickel-chromium-iron alloy widely recognized for its superior resistance to high-temperature oxidation.
The key advantage of Inconel 601 lies in the addition of aluminum, which forms a tightly adhering oxide layer that effectively protects the surface even under harsh thermal cycling conditions.
How machinable is Inconel 601?
It exhibits excellent water and corrosion resistance, high mechanical strength, and is easy to form, process, and weld. These properties make Inconel 601 a widely used material in fields such as heat treatment, chemical processing, pollution control, aerospace, and power generation.
1. Inconel 601 Chemical Composition (Standard: ASTM B166/B168)
The performance of Alloy 601 is rooted in its precise chemical balance. We ensure batch consistency through advanced vacuum induction melting (VIM).
| Element | Content (%) |
| Nickel (Ni) | 58.0 - 63.0 |
| Chromium (Cr) | 21.0 - 25.0 |
| Aluminum (Al) | 1.0 - 1.5 |
| Iron (Fe) | Remainder (Balance) |
| Carbon (C) | ≤ 0.10 |
| Manganese (Mn) | ≤ 1.50 |
| Sulfur (S) | ≤ 0.015 |
| Silicon (Si) | ≤ 0.50 |
| Copper (Cu) | ≤ 1.00 |
Click here to get information on Inconel 601 with ASTM B166/B168 standards
2. Inconel 601 Mechanical and Physical Properties
Inconel 601 maintains high mechanical strength even at elevated temperatures.
Tensile Strength (Rm): ≥ 550 MPa (80 ksi)
Yield Strength (Rp0.2): ≥ 205 MPa (30 ksi)
Elongation (A5%): ≥ 30%
Density: 8.11 g/cm³
Melting Range: 1360°C - 1411°C
Maximum Service Temperature: Up to 1180°C (2150°F) in air.
3. Key Advantages of Alloy 601 in Industrial Applications
Superior Oxidation Resistance: Superior to most alloys under cyclic heating conditions.
Excellent Corrosion Resistance: Ideal for environments with fluctuating oxygen levels.
High Creep Fracture Strength: Maintains structural integrity under long-term stress.
Resistant to Carburization: Performs well in industrial furnace atmospheres.
Contact us immediately for a recommendation of the Inconel 601 suitable for your application
4. Inconel 601 Machining and Manufacturing Recommendations
Our technical advisory team offers the following recommendations for machining Inconel 601:
Welding (GTAW / GMAW)
Inconel 601 exhibits excellent weldability. We recommend using Inconel 601 welding wire (ERNiCrFe-11) or Inconel 117 welding electrodes.
Pretreatment: Ensure the weld area is free of oil, paint, or sulfur-containing lubricants to prevent hot cracking.
Shielding Gas: Use high-purity argon gas during GTAW welding to maintain the integrity of the aluminum.
Inconel 601 alloy welding
Machining
Like most high-nickel alloys, 601 exhibits work-hardening properties.
Tools: Use heavy-duty, sharp carbide tools.
Speed: Maintain a slow, steady speed and constant feed rate to ensure the depth of cut is below the work-hardened zone.
Coolant: Use sulfur-free coolant to avoid embrittlement.
Inconel 601 Machining
5. Why Choose Our Inconel 601 Solution?
Choosing us means investing in more than just materials; it's an investment in proven reliability.
ISO 9001 Certification: Every shipment is fully traceable and undergoes rigorous quality control.
Compliance: All materials meet ASTM B166 (bars), B167 (pipes), B168 (plates), and ASME SB standards.
MTC 3.1 and 3.2: Every shipment comes with a factory test certificate (EN 10204 3.1).
Global Logistics: Efficient DDP/CIF shipping covering Germany, Italy, Brazil, and Argentina.
Gnee Steel inconel 601 Certification
Contact us now to get the latest export price for Inconel 601 in 2026
FAQ
Q: What is the difference between Inconel 600 and 601?
A: Inconel 601 contains aluminum, therefore its oxidation resistance is significantly better than Inconel 600 at temperatures above 1000°C.
Q: Can Inconel 601 be used in aqueous corrosive environments?
A: Although Inconel 601 is designed for high-temperature resistance, its high chromium content also gives it good corrosion resistance in many aqueous solutions.
Q: Can Inconel 601 be custom-sized?
A: Yes, we can provide custom machining services for seamless steel pipes, round bars, and plates according to your EPC project requirements.
Q: What are the mechanical properties of Inconel 601?
A: The most prominent feature of Inconel 601 is its excellent resistance to high-temperature oxidation. This alloy also exhibits good resistance to water corrosion, high mechanical strength, and is easy to form, machine, and weld.
Q: What is the difference between Inconel 601 and 602?
A: Inconel 601 excels in oxidation resistance and tensile strength, making it suitable for high-temperature environments. In contrast, Inconel 602 offers superior creep resistance and sulfidation resistance, making it ideal for reducing environments.