Inconel 625
Inconel 625 is a nickel-chromium-molybdenum alloy strengthened primarily by solid-solution effects from molybdenum and niobium. It combines high strength with excellent resistance to pitting, crevice corrosion and many aggressive environments.
Inconel 625 Information
Inconel 625 is a nickel-chromium-molybdenum alloy strengthened primarily by solid-solution effects from molybdenum and niobium. It combines high strength with excellent resistance to pitting, crevice corrosion and many aggressive environments.
Metallic winding and compatible ring components where service conditions are suitable.
| UNS Number | N06625 |
|---|---|
| Common Product Specification | ASTM B443 |
| Material Type | Ni-Cr-Mo-Nb corrosion-resistant alloy |
| Common / Applicable Specification | ASTM B443 (plate/sheet/strip) |
| Typical Gasket Use | Metallic winding and compatible ring components where service conditions are suitable. |
Inconel 625 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 min. |
| Chromium | Cr | 20.0–23.0 |
| Molybdenum | Mo | 8.0–10.0 |
| Niobium + Tantalum | Nb+Ta | 3.15–4.15 |
| Iron | Fe | 5.0 max. |
| Carbon | C | 0.10 max. |
| Manganese | Mn | 0.50 max. |
| Silicon | Si | 0.50 max. |
| Aluminium | Al | 0.40 max. |
| Titanium | Ti | 0.40 max. |
Inconel 625 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 | 827 min. | MPa |
| 0.2% Offset Yield Strength | 414 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 625 Physical & Service Information
Reference physical properties and service considerations relevant to material selection for Spiral Wound Gaskets.
| Density | Approx. 8.44 g/cm³ |
|---|---|
| Structure | Austenitic nickel-base alloy |
| Corrosion Behaviour | Excellent resistance to seawater, chloride pitting and many chemical environments. |
| Heat Treatment | Commonly supplied solution annealed / annealed depending product specification. |
| Service Selection | Confirm grade condition and specification because strength requirements can differ by product form. |
Specify Inconel 625 for your gasket
Share your gasket dimensions, service conditions and quantity for Inconel 625 material options and pricing.