Inconel 601
Inconel 601 is a nickel chromium aluminum alloy containing about 60% nickel, 23% to 25% chromium, and 1.0% to 1.7% aluminum. Aluminum promotes a dense Al₂O₃ oxide layer at high temperature, supporting oxidation and carburization resistance. The alloy has good creep strength below 870℃, while the source lists continuous service up to 1100℃. It also resists nitric acid, sulfur bearing gases, and high pressure steam, and provides resistance to stress corrosion cracking in the stated service conditions.
Product details
Chemical composition
| inconel601 | C | Si | Mn | P | S | Ni | Cr | Fe | Al | Cu |
|---|---|---|---|---|---|---|---|---|---|---|
| min | – | – | – | – | – | 58.0 | 21.0 | – | 1.0 | – |
| max | 0.1 | 0.5 | 1.0 | 0.03 | 0.015 | 63.0 | 25.0 | Bal | 1.7 | 1.0 |
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Grade equivalents
| English Item | UNS | W.Nr. | JIS | GB/T | Other Grades |
|---|---|---|---|---|---|
| inconel601 Alloy 601 | N06601 | 2.4851 NiCr23Fe | NCF601 | NS313 NS3103 | 1Cr23Ni60Fe13Al |
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Physical properties
| Density g/cm³ | 8.11 |
|---|---|
| Melting range ℃ | 1320-1370 |
| Thermal conductivity (100℃) λ/(W/m•℃) | 13.4 |
| Specific heat J/kg•℃ | 448 |
| Elastic modulus GPa | 207 |
| Electrical resistivity μΩ•m | 1.22 |
| Linear expansion coefficient a/10-6℃-1 | 11.6(20~100℃) |
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Mechanical properties
| Tensile strength Rm N/mm | ≥600 |
|---|---|
| Yield strength RP0.2 N/mm | ≥240 |
| Elongation % | ≥30 |
| Hardness HB | ≤220 |
| *After solution heat treatment | |
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Applications
- Muffle pots in carburizing furnaces
- Afterburner components
- Isolation vessels in ammonia reformers and catalyst-support grids for nitric acid production
- Waste-gas detoxification components and industrial waste-gas piping
- Superheaters in waste incinerators
- Electrodes in glass-melting furnaces
- High-temperature corrosion-resistant components and equipment in contact with molten glass
Available product forms
- Round Bar
- Wire
- Forgings
- Plate
- Strip
- Seamless Pipe
- Welded Pipe
- Capillary Tube
- Flanges
- Pipe Fittings
- Non-standard Custom Parts
Values follow the Milike materials catalogue and are provided for preliminary review. Confirm the applicable purchase specification, heat treatment condition, and inspection requirements before final material selection.
- Heat and batch traceability
- PMI testing available
- Cut-to-size processing
- Material certificates on request
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