Inconel 601 (UNS N06601) Supplier | Bar, Tube, Plate - Hangbo Alloy
Date: 2024年10月24日 Categories: All Products、Inconel Views: 5955
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Premium Inconel 601 (UNS N06601) bar, tube, plate supplier. High-temperature nickel alloy for aerospace, chemical processing. ASTM/ASME compliant. Get quote.
Shanghai Hangbo Alloy Group Co., Ltd. is a specialized ISO 9001:2015 certified manufacturer of high-grade Inconel 601 (UNS N06601 / W.Nr. 2.4851). Best known for its aluminum-enhanced oxidation resistance, Inconel 601 provides unmatched surface stability and mechanical strength for industrial furnace systems and chemical processes operating up to 1200°C (2200°F).
Precise ASTM Data Tables
Chemical Composition (ASTM B166 / B168 / UNS N06601)
| Element | Nickel (Ni) | Chromium (Cr) | Aluminum (Al) | Iron (Fe) | Manganese (Mn) | Silicon (Si) |
|---|---|---|---|---|---|---|
| Range (%) | 58.0 - 63.0 | 21.0 - 25.0 | 1.0 - 1.7 | Balance | 1.5 max | 0.5 max |
Mechanical Properties (ASTM B166 - Hot Finished/Annealed)
| Property | Typical Value (Min) |
|---|---|
| Tensile Strength | 550 MPa (80 ksi) |
| Yield Strength (0.2% Offset) | 205 MPa (30 ksi) |
| Elongation (in 2") | 30% |
| Hardness (Brinell) | 120 - 170 HB |
Material Characteristics
- Extreme Oxidation Resistance: The 1.4% aluminum addition forms a tightly adherent alumina (Al₂O₃) scale that prevents spalling even under rapid thermal cycling.
- High-Temperature Strength: Maintains structural integrity and resists creep at temperatures up to 1200°C (2200°F).
- Carburization Resistance: Excellent performance in carbon-rich environments, making it ideal for carburizing furnace components.
- Aqueous Corrosion Resistance: Offers good resistance to general corrosion by high-purity water and various acids.
Common Applications of Inconel 601
- Thermal Processing: Radiant tubes, furnace muffles, flame shields, and heat-treating baskets.
- Petrochemical: Catalyst regenerators, air heaters, and process heaters in ammonia production.
- Pollution Control: Thermal reactors in exhaust systems and combustion chambers for hazardous waste incinerators.
- Power Generation: Superheater tube supports and ash handling systems in coal-fired plants.
Pros & Cons of Alloy 601
| Pros | Cons |
|---|---|
| Highest oxidation resistance among 600 series alloys. | Lower nickel content than 600 reduces resistance to some reducing media. |
| Excellent resistance to thermal fatigue and spalling. | Work hardens during machining, requiring specific techniques. |
| Stable mechanical properties at high temperatures. | Subject to sulfidation in high-sulfur gases at high temps. |
Global Project Case: Waste-to-Energy Incinerator
Scenario: A large-scale waste-to-energy plant in East Asia experienced frequent failure of its combustion chamber liners due to severe oxidation and ash erosion at 1050°C.
Solution: Hangbo Alloy supplied Inconel 601 plates (ASTM B168) for the replacement liners. The aluminum-rich oxide scale provided a superior barrier against the aggressive flue gases.
Service Performance: Adherent Oxide Scale
Inconel 601 is specifically engineered for high-temperature service where cyclic heating and cooling are involved. Its oxide scale remains tightly bonded to the substrate, preventing the "flaking off" effect seen in standard stainless steels. Long-term tests at 1150°C show that 601 retains over 95% of its original thickness after 500 thermal cycles.
Frequently Asked Questions (FAQ)
1. What is the main difference between Inconel 600 and Inconel 601?
The primary difference is the addition of Aluminum in 601, which greatly enhances its resistance to high-temperature oxidation and spalling compared to the standard 600 alloy.
2. Can Inconel 601 be used in ammonia burners?
Yes, it is a standard material for catalyst support grids and burner components in ammonia oxidation processes due to its resistance to nitriding and high-temperature strength.
3. Is Inconel 601 easy to weld?
Yes, Inconel 601 is readily weldable by TIG (GTAW), MIG (GMAW), and shielded metal arc welding (SMAW). Using Inconel 601 or 617 filler metals is recommended to match the base metal's high-temperature properties.
4. What is the maximum operating temperature for Inconel 601?
Inconel 601 can be used for continuous service in air at temperatures up to 1204°C (2200°F), making it one of the most heat-resistant nickel alloys.
5. How does Inconel 601 perform in carburizing atmospheres?
It performs exceptionally well. The protective oxide layer effectively slows the diffusion of carbon into the metal, extending the life of furnace fixtures and retorts.
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Explore more high-performance alloys:
• Inconel 600 (UNS N06600) - Versatile Furnace Alloy
• Incoloy 800 (UNS N08800) - High-Temperature Stability
• Inconel 625 (UNS N06625) - High Strength & Corrosion Resistance
