Inconel 693 Nickel Based Superalloy
High-performance Nickel-Chromium-Iron-Aluminum SuperalloyInconel Alloy 693 is a premium Nickel-Chromium-Iron-Aluminum superalloy engineered to withstand severe high-temperature corrosive conditions while maintaining reliable structural strength at elevated temperatures.
Inconel Alloy 693 Basic Introduction
Inconel Alloy 693 is a premium Nickel-Chromium-Iron-Aluminum superalloy engineered to withstand severe high-temperature corrosive conditions while maintaining reliable structural strength at elevated temperatures.
A standout property of this alloy is its exceptional resistance to metal dusting degradation, making it ideal for equipment operating within chemical and petrochemical processing systems.
Its high chromium composition imparts remarkable resistance to both oxidation and sulfidation. In addition, the material retains excellent comprehensive mechanical properties across operating temperature ranges.
Inconel Alloy 693 Mechanical Properties
| Properties | Metric |
|---|---|
| Ultimate Tensile Strength, Rm | 660 MPa |
| 0.2 % Offset Yield Strength, Rp0.2 | 310 MPa |
| Elongation, A₅ | 34% |
Inconel 693 Chemical Composition
| UNS Designation | N06693 |
|---|---|
| Elements | Inconel 693 |
| Nickel, Ni | Remainder |
| Chromium, Cr | 27.0-31.0 |
| Iron, Fe | 2.5-6.0 |
| Aluminum, Al | 2.5-4.0 |
| Niobium, Nb | 0.5-2.5 |
| Manganese,Mn | 1.0 max |
| Titanium,Ti | 1.0 max |
| Copper,Cu | 0.5 max |
| Silicon,Si | 0.5 max |
| Carbon,C | 0.15 max |
| Sulfur, S | 0.01 max |
Inconel 693 Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.77 gm/cm³ | 0.280 lb/in³ |
Inconel 693 Applications
Typical applications of Inconel 693 include:
- Petrochemical Processing, Furnaces, pipelines and structural components subjected to carburizing atmospheres.
- Chemical Industry, High-temperature reactors and process hardware for service with corrosive aggressive gas media.
- Power Generation, Advanced thermal cycle systems demanding robust resistance to high-temperature environmental degradation.
Key Properties of Inconel 693 High-Temperature Alloys
Metal Dusting Resistance
Inconel 693 exhibits the top-tier resistance to catastrophic carburization and metal dusting damage when compared with traditional superalloys.
High-Temperature Oxidation
Abundant Chromium and Aluminum constituents facilitate the formation of adherent protective Oxide scales, which effectively mitigate intense Oxidation and Sulfidation even at maximum service temperatures.
Creep Strength
It sustains excellent structural stability and outstanding creep-rupture strength when exposed to prolonged extreme thermal loads.
When to Choose Inconel 693 High Temperature Alloy
Inconel alloy 693 is a high-performance Nickel-Chromium-Iron-Aluminum superalloy,
provides resistance to high temperature corrosion mechanisms, high-temperature corrosion protection, and strength.
The alloy also has excellent resistance to metal dusting in chemical and petrochemical processing environments.
The alloy's high Chromium content provides it excellent resistance to Oxidation and Sulfidation.
It possesses excellent mechanical properties.
