Oxidation Resistance：Up to 1200°C (2200°F) – best-in-class
High-Temp Strength：Superior to Alloy 600 at elevated temperatures
Easy to Fabricate：Weld, form, and machine with standard methods
Non-Age-Hardenable：Properties through cold work only – no heat treatment needed
Inconel 601 (Alloy 601 / UNS N06601) is a nickel-chromium alloy designed for outstanding oxidation resistance and excellent performance at elevated temperatures. It is widely used in thermal processing and high-temperature industrial applications.
This alloy forms a tightly adherent oxide layer that protects against scaling, making it ideal for prolonged exposure to heat and oxidizing environments, Also known as Alloy 601 or UNS N06601
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Key Features
- Excellent resistance to oxidation and scaling
- High strength at elevated temperatures
- Good resistance to carburization
- Stable performance in cyclic heating conditions
- Reliable in oxidizing atmospheres
Applications
Inconel 601 is widely used in high-temperature environments:
- Industrial furnaces and heat treatment equipment
- Petrochemical processing systems
- Heat exchangers and radiant tubes
- Power generation plants
- Thermal processing equipment
Learn more about Inconel 600 VS Inconel 625
Learn more about Inconel 617 VS Inconel 625
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Hastelloy C276
Incoloy 825
Inconel 625
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Inconel 601 vs Other Alloys
601 vs Inconel 600
- 601: Better oxidation resistance
- 600: General-purpose high-temperature alloy
- Learn more about inconel 601-VS Inconel 600
601 vs Inconel 625
- 601: Better for oxidation and heat exposure
- 625: Better corrosion resistance
FAQ
What is Inconel 601 used for?
It is used in furnaces, heat treatment equipment, and high-temperature industrial systems.
Is Inconel 601 heat resistant?
Yes, it offers excellent resistance to oxidation and high temperatures.
What is UNS N06601?
UNS N06601 is the designation for Inconel 601.
Is Inconel 601 suitable for furnaces?
Yes, it is widely used in furnace components and thermal processing equipment.
Chemical composition
% | Ni | Cr | Fe | C | Mn | Si | S | Al | Cu |
min | 58.0 | 21.0 | balance | 1.00 | |||||
max | 63.0 | 25.0 | 0.10 | 1.00 | 0.50 | 0.015 | 1.70 | 1.00 |
Standards & Specifications
| Form | Specification |
|---|---|
| Identification | UNS N06601, Wnr 2.4851, AWS 011 |
| Plate | ASTM B168, AMS 5870, DIN 17750 |
| Bar & Rod | ASTM B166, AMS 5715, DIN 17752 |
| Seamless Pipe | ASTM B167 |
| Seamless Tube | ASTM B163 |
| Forgings | ASTM B564 |
| Wire | ASTM B166, AWS A5.14 |
| Strip | ASTM B168, AMS 5870, DIN 17750 |
INCONEL Alloy 601 is the material of choice when high-temperature oxidation resistance is the primary design requirement. Its unique aluminum-enhanced nickel-chromium composition provides:
Noted ： INCONEL is a registered trademark of Special Metals Corporation group of companies
Item | Inconel 600 | Inconel 601 | Inconel 617 | Inconel 625 | Inconel 690 | Inconel 718 | Inconel X750 | Inconel 825 |
C | ≤0.15 | ≤0.1 | 0.05-0.15 | ≤0.08 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.05 |
Mn | ≤1 | ≤1.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤1 | ≤1 |
Fe | 6-10 | rest | ≤3 | rest | 7-11 | rest | 5-9 | ≥22 |
P | ≤0.015 | ≤0.02 | ≤0.015 | — | — | — | — | — |
S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.01 | ≤0.01 | ≤0.03 |
Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.5 |
Cu | ≤0.5 | ≤1 | — | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
Ni | ≥7.2 | 58-63 | ≥44.5 | 50-55 | ≥58 | 50-55 | ≥70 | 38-46 |
Co | — | — | 10-15 | ≤10 | — | ≤1 | ≤1 | — |
Al | — | 1-1.7 | 0.8-1.5 | ≤0.8 | — | 0.2-0.8 | 0.4-1 | ≤0.2 |
Ti | — | — | ≤0.6 | ≤1.15 | — | — | 2.25-2.75 | 0.6-1.2 |
Cr | 14-17 | 21-25 | 20-24 | 17-21 | 27-31 | 17-21 | 14-17 | 19.5-23.5 |
Nb+Ta | — | — | — | 4.75-5.5 | — | 4.75-5.5 | 0.7-1.2 | — |
Mo | — | — | 8-10 | 2.8-3.3 | — | 2.8-3.3 | — | 2.5-3.5 |
B | — | — | ≤0.006 | — | — | — | — | — |
Alloy | ASTM | DIN | BS | AFNOR | GB | |
|---|---|---|---|---|---|---|
New grades | Old grades | |||||
| Inconel 600 | UNS N06600 | 2.4816 / NiCrl 5Fe | NA14 | NC15FE | NS3102 | NS312 |
| Inconel 601 | UNS N06601 | 2.4851 / NiCr23Fe | NC23FeA | NS3103 | NS313 | |
| Inconel 625 | UNS N06625 | 2.4856 / NiCr22Mo9Nb | NA21 | NC 22 DNb | NS3306 | NS336 |
| Inconel 718 | UNS N07718 | 2.4668 / NiCr19Fe19Nb5Mo3 | NA 51 | NC19FeNb | GH4169 | GH4169 |
| Inconel X-750 | UNS N07750 | 2.4669 / NiCr15Fe7TiAl | NC15TNbA | GH4145 | GH4145 | |
| Inconel 725 | UNS N07725 | |||||
