Inconel 690 Sheets | Ultra-Resistant Material for Harsh Environments
In an era where industries face the dual challenge of aggressive corrosive media and extreme temperatures, selecting the right materials can determine the difference between operational success and costly failures. When a chemical processing plant needed to upgrade its reactor liners to handle boiling nitric acid and chlorides, they turned to Inconel 690 Sheets. This choice was driven by its unmatched combination of resistance, durability, and reliability qualities that Aurico Alloys LLP consistently delivers to global clients across energy, marine, pharma, and chemical sectors.
Table of Contents:
Why Inconel 690 Sheets Are the Industry Standard
Inconel 690 (UNS N06690, ASTM B168) is a high-nickel, chromium-molybdenum alloy renowned for its exceptional resistance against oxidation, corrosion, and high-temperature environments up to 1000°C. Its dual properties corrosion resistance especially in acidic environments and mechanical stability make it ideal for critical components like furnace linings, heat exchangers, and reactor shells in power plants and chemical industries.
The alloy's corrosion resistance is attributed to its high chromium (24–27%) and nickel (60–67%) content, which fortify its passive oxide layer against acids, chlorides, and oxidizing agents. Its ability to withstand thermal cycling without embrittlement significantly extends the service life of equipment facing sustained high temperatures and corrosive media.
Aurico Alloys LLP supplies Inconel 690 Sheets with full ASTM and ISO certifications, extensive test reports, and precise dimensions matching your requirements. Our proven logistics and brand assurance facilitate immediate project readiness, whether for replacement, OEM fabrication, or special corrosion-resistant applications.
High-quality Inconel 690 Sheets ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grade | Inconel 690 (UNS N06690) |
| Standards | ASTM B168, ASME SB168, B906, ISO 6208 |
| 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 | N06690 |
| Werkstoff / EN number | 2.4642 |
| Density | 8.19 g/cm3 |
| Melting range | 1343-1377 °C |
| Specific heat | 450 J/kg·°C |
| Electrical resistivity | 1.148 µΩ·m |
| Magnetic permeability (at 200 oersted / 15.9 kA/m) | 1.001 |
| Young's modulus | 211 GPa |
| Poisson's ratio | 0.289 |
| Plate, sheet and strip specification | ASTM B168 / B906 |
Identifiers and physical constants for Inconel 690. A dash means no such designation is published for this grade.
Stock & Product Availability
Aurico Alloys LLP provides an extensive stock of Inconel 690 Sheets with various thicknesses, surface finishes, and dimensions, ensuring quick dispatch to power, chemical, marine, and pharmaceutical industries. Our supply chain supports urgent project needs and customized solutions with full certification and traceability.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 58.0 | — |
| Chromium (Cr) | 27.0 | 31.0 |
| Iron (Fe) | 7.0 | 11.0 |
| Carbon (C) | — | 0.05 |
| Silicon (Si) | — | 0.50 |
| Manganese (Mn) | — | 0.50 |
| Sulfur (S) | — | 0.015 |
| Copper (Cu) | — | 0.50 |
Composition limits for Inconel 690. 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) | ≥ 430 MPa |
| Tensile Strength (MPa) | ≥ 735 MPa |
| Elongation (%) | ≥ 25 |
| Max Service Temp (°C) | Up to 1000°C |
Uses & Benefits
- Furnace and boiler components for high-temperature oxidation resistance
- Reactor linings, acid transfer piping in chemical plants
- Marine seawater piping, cooling systems, and exhaust components
- Power plant heat exchangers, superheater tubes in thermally cyclic environments
- Pharmaceutical processing tanks and sterilizers requiring corrosion resistance
FAQs & Industry Insights
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 690 Sheets provide industry-leading resistance to extreme oxidation, corrosion, and thermal cycling, ensuring longer equipment life and safer operations. Are you ready to upgrade your critical assets with Aurico’s trusted, certified Inconel 690 Sheets for demanding applications?