Inconel 601
Inconel 601 is a nickel-chromium-iron alloy with aluminium added to improve oxidation resistance. It is used in high-temperature service where resistance to scaling and cyclic oxidation is important.
Inconel 601 Information
Inconel 601 is a nickel-chromium-iron alloy with aluminium added to improve oxidation resistance. It is used in high-temperature service where resistance to scaling and cyclic oxidation is important.
Metallic winding and compatible ring components where service conditions are suitable.
| UNS Number | N06601 |
|---|---|
| Common Product Specification | ASTM B168 |
| Material Type | Ni-Cr-Fe-Al oxidation-resistant alloy |
| Common / Applicable Specification | ASTM B168 (plate/sheet/strip) |
| Typical Gasket Use | Metallic winding and compatible ring components where service conditions are suitable. |
Inconel 601 Chemical Composition
Reference composition limits are shown below. Exact requirements should be confirmed against the applicable product specification and certified material documentation.
| Element / Constituent | Symbol | Composition / Information |
|---|---|---|
| Nickel | Ni | 58.0–63.0 |
| Chromium | Cr | 21.0–25.0 |
| Iron | Fe | Balance |
| Aluminium | Al | 1.00–1.70 |
| Carbon | C | 0.10 max. |
| Manganese | Mn | 1.00 max. |
| Silicon | Si | 0.50 max. |
| Copper | Cu | 1.00 max. |
| Sulfur | S | 0.015 max. |
Inconel 601 Mechanical Properties
Reference room-temperature properties are shown for a commonly supplied condition. Exact requirements depend on product form, size, heat treatment and governing specification.
| Property | Reference Value | Unit / Basis |
|---|---|---|
| Tensile Strength | ≈550 min. | MPa |
| 0.2% Offset Yield Strength | ≈205 min. | MPa |
| Elongation | ≈30 min. | % |
Values shown are engineering reference data, not universal design allowables. Final procurement and design must use the governing specification, exact product form/condition and certified material test documentation.
Inconel 601 Physical & Service Information
Reference physical properties and service considerations relevant to material selection for Spiral Wound Gaskets.
| Density | Approx. 8.1 g/cm³ |
|---|---|
| Structure | Austenitic nickel-base alloy |
| Oxidation Behaviour | Excellent oxidation resistance due in part to a protective alumina-containing scale. |
| Heat Treatment | Normally annealed. |
| Service Selection | Particularly useful where cyclic high-temperature oxidation is a major concern. |
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