Inconel 601丨UNS N06601
Inconel 601 is a nickel-chromium alloy with aluminum additions that provides exceptional resistance to oxidation, carburization, and high-temperature corrosion.
J&A Alloy supplies Inconel 601 pipe, tube, plate, sheet, bar, wire, and forgings for furnace equipment, petrochemical plants, and thermal processing industries.
✔ Outstanding oxidation resistance up to 1200°C
✔ Excellent carburization resistance
✔ Superior high-temperature mechanical stability
✔ Excellent fabrication and weldability
Inconel 601 Supplier & Manufacturer
Inconel 601 (UNS N06601, W.Nr. 2.4851) is a nickel-chromium alloy enhanced with aluminum for superior oxidation resistance at elevated temperatures. The formation of a tightly adherent aluminum oxide scale provides exceptional protection against oxidation, carburization and other forms of high-temperature degradation.
Compared with Inconel 600, Alloy 601 offers significantly improved oxidation and scaling resistance, making it one of the preferred materials for industrial furnaces, thermal processing equipment and petrochemical applications.
J&A Alloy supplies Inconel 601 in pipe, tube, plate, sheet, bar, wire, flanges, fittings and forgings with full material traceability and international export support.
Key Features of Inconel 601
Excellent Oxidation Resistance
Forms a stable oxide layer that protects the alloy up to approximately 1200°C.
Superior Carburization Resistance
Widely used in carburizing and carbon-rich furnace atmospheres.
High Temperature Strength
Maintains good mechanical properties during prolonged exposure to elevated temperatures.
Outstanding Thermal Cycling Performance
Resists spalling during repeated heating and cooling cycles.
Excellent Corrosion Resistance
Performs well in oxidizing acids and various industrial environments.
Good Fabricability
Can be readily machined, formed, and welded.
Chemical Composition of Inconel 601
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 58.0 – 63.0 |
| Chromium (Cr) | 21.0 – 25.0 |
| Iron (Fe) | Balance |
| Aluminum (Al) | 1.00 – 1.70 |
| Carbon (C) | ≤ 0.10 |
| Manganese (Mn) | ≤ 1.50 |
| Silicon (Si) | ≤ 0.50 |
| Copper (Cu) | ≤ 1.00 |
| Sulfur (S) | ≤ 0.015 |
Mechanical Properties of Inconel 601
| Property | Value |
|---|---|
| Tensile Strength | ≥ 550 MPa |
| Yield Strength (0.2%) | ≥ 205 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 95 HRB |
| Density | 8.11 g/cm³ |
| Melting Range | 1360 – 1411°C |
| Modulus of Elasticity | 205 GPa |
Corrosion Resistance
Inconel 601 demonstrates excellent resistance to:
- High-temperature oxidation
- Carburization
- Sulfidation
- Nitriding atmospheres
- Oxidizing acids
- Dry chlorine-containing gases
- Thermal fatigue environments
The protective oxide film significantly extends service life in severe thermal applications.
High Temperature Performance
Inconel 601 was specifically developed for oxidation-resistant applications.
Typical Service Characteristics
- Oxidation resistance up to 1200°C
- Excellent resistance to scaling
- Outstanding thermal cycling behavior
- Good creep resistance
- Superior resistance to carburizing atmospheres
Available Forms
J&A Alloy supplies Inconel 601 in:
- Pipe
- Tube
- Plate
- Sheet
- Coil
- Strip
- Round Bar
- Rod
- Wire
- Flanges
- Fittings
- Forgings
Custom dimensions are available upon request.
Applications of Inconel 601
Industrial Furnaces
- Radiant tubes
- Retorts
- Mufflers
- Roller assemblies
Heat Treatment Equipment
- Baskets
- Fixtures
- Conveyor systems
Petrochemical Industry
- Catalyst grids
- Process heaters
- Reformer components
Thermal Processing
- Kilns
- Incinerators
- High-temperature ducts
Power Generation
- Heat exchangers
- Combustion equipment
Inconel 601 vs Inconel 600
| Property | Inconel 601 | Inconel 600 |
|---|---|---|
| UNS Number | N06601 | N06600 |
| Primary Alloying Elements | Ni-Cr-Al | Ni-Cr |
| Oxidation Resistance | Superior | Excellent |
| Carburization Resistance | Excellent | Good |
| Maximum Service Temperature | ~1200°C | ~1175°C |
| Corrosion Resistance | Excellent | Excellent |
| Typical Applications | Industrial Furnaces | Chemical Processing |
| Weldability | Excellent | Excellent |
Welding & Fabrication
Inconel 601 exhibits excellent fabrication characteristics.
Recommended Welding Methods
- GTAW (TIG)
- GMAW (MIG)
- SMAW
Fabrication Notes
- Excellent hot and cold forming properties
- Conventional nickel alloy machining practices apply
- ERNiCrFe-11 filler metal is commonly recommended
Standards & Equivalent Grades
| Standard | Grade |
|---|---|
| UNS | N06601 |
| W.Nr. | 2.4851 |
| ASTM | B166 |
| ASTM | B167 |
| ASTM | B168 |
| ASME | SB166 |
| ASME | SB167 |
| ASME | SB168 |
| DIN | NiCr23Fe |
| Common Trade Name | Inconel 601 / Alloy 601 |
Frequently Asked Questions
What is Inconel 601 used for?
Inconel 601 is widely used in industrial furnaces, thermal processing equipment, petrochemical plants and heat treatment systems.
What is the difference between Inconel 601 and Inconel 600?
Inconel 601 contains aluminum, giving it significantly better oxidation and scaling resistance at elevated temperatures.
Is Inconel 601 good for furnace applications?
Yes. Its excellent resistance to oxidation and carburization makes it one of the best alloys for furnace hardware.
Can Inconel 601 be welded?
Yes. It has excellent weldability using conventional nickel alloy welding methods.
What temperature can Inconel 601 withstand?
Inconel 601 provides oxidation resistance up to approximately 1200°C.
What forms are available?
Pipe, tube, plate, sheet, strip, bar, rod, wire, flanges, fittings, and forgings.
Why Choose J&A Alloy
✔ ASTM / ASME certified materials
✔ PMI and third-party inspection available
✔ Complete MTC EN 10204 3.1 documentation
✔ OEM machining support
✔ Global export experience
✔ Fast delivery and competitive pricing
✔ Full traceability from raw material to finished product
