Inconel 693 Sheets | Exceptional Corrosion & High-Temperature Resistance
There was a time when chemical plants and marine structures relied on standard stainless steels, only for those materials to succumb under the relentless assault of high-temperature oxidizing acids and chloride-rich environments. Recognizing this challenge, industry leaders turned to Inconel 693 Sheets, a high-performance nickel-chromium-molybdenum-tungsten alloy specifically engineered to withstand extreme corrosive conditions and thermal stress. Aurico Alloys LLP supplies this resilient material to global customers who value longevity, safety, and efficiency across sectors such as chemical processing, marine, power, and pharmaceuticals.
Table of Contents:
Why Industry Leaders Prefer Inconel 693 Sheets
Inconel 693 (UNS N06693, ASTM B168) is a premium nickel-based alloy formulated with high chromium (24–27%), molybdenum (4–6%), and tungsten (3–4%) contents, conferring outstanding resistance to oxidizing and reducing media at elevated temperatures. Its ability to withstand continuous operation up to 1100°C in aggressive atmospheres makes it the ideal choice for heat exchangers, reactor liners, and piping that must resist thermal fatigue, oxidation, and chloride-induced corrosion in the most demanding environments .
The alloy's tungsten addition significantly enhances its corrosion barrier in chloride-rich and acidic environments, outperforming many traditional alloys like Inconel 625 and Alloy 686. Its outstanding mechanical strength yield above 420 MPa and tensile above 850 MPa and its low thermal expansion rate ensure durability even in cyclic thermal operations.
Aurico Alloys LLP provides certified Inconel 693 Sheets which meet ASTM B168 and EN standards, every batch attested with full traceability and test reports. Our inventory assures your projects are equipped with authentic, high-quality materials ready for immediate dispatch for use in critical applications such as chemical reactors, power boilers, and marine seawater systems.
High-quality Inconel 693 Sheets ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grade | Inconel 693 (UNS N06693) |
| Standards | ASTM B168, B906 |
| Thickness Range | 0.5 mm – 50 mm |
| Width Range | 10 mm – 1500 mm |
| Finish | Polished, matte, brushed, custom finishes available |
| Forms | Sheets, plates, coils |
| Certification | ASTM, ISO, RoHS, REACH, batch traceability |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | N06693 |
| Density | 7.77 g/cm3 |
| Melting range | 1317-1367 °C |
| Electrical resistivity | 1.168 µΩ·m |
| Plate, sheet and strip specification | ASTM B168 / B906 |
Identifiers and physical constants for Inconel 693. A dash means no such designation is published for this grade.
Stock & Product Availability
Aurico stocks Inconel 693 Sheets in various thicknesses, surface finishes, and sizes worldwide. Our products are certified and ready for immediate shipment to chemical, marine, power, and pharmaceutical sectors. We also stock related Inconel grades including Inconel 600, 601, 602 CA, 617, 625, and more for all your project needs.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | — | Balance (determined arithmetically by difference) |
| Chromium (Cr) | 27.0 | 31.0 |
| Iron (Fe) | 2.5 | 6.0 |
| Aluminium (Al) | 2.5 | 4.0 |
| Niobium (Nb) | 0.5 | 2.5 |
| Manganese (Mn) | — | 1.0 |
| Titanium (Ti) | — | 1.0 |
| Copper (Cu) | — | 0.5 |
| Silicon (Si) | — | 0.5 |
| Carbon (C) | — | 0.15 |
| Sulfur (S) | — | 0.01 |
Composition limits for Inconel 693. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property | Typical |
|---|---|
| Yield Strength (MPa) | ≥400 |
| Tensile Strength (MPa) | ≥860 |
| Elongation (%) | ≥25 |
| Max Service Temp (°C) | up to 1000°C |
Applications & Benefits
- Heat exchangers and reactor linings in chemical and power plants
- Furnace and boiler components resistant to high-temperature oxidation
- Marine seawater systems and cooling pipes
- Oil & Gas sour gas processing equipment
- Pharmaceutical process tanks and sterilizers
- High-performance structural components in extreme environments
FAQs & Industry Trends
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Aurico Alloys LLP’s Inconel 693 Sheets offer a unique combination of extreme corrosion resistance, high-temperature strength, and certified quality, empowering industries to operate more safely and efficiently in demanding environments. Are you prepared to upgrade your facilities with Aurico’s trusted Inconel 693 Sheets and take performance to the next level?