At SMM Industries LLP, we supply premium-grade Inconel 690 Sheets, engineered for maximum performance in extreme environments. These sheets are made from a high-chromium, nickel-based alloy known for its exceptional resistance to high-temperature oxidation, stress corrosion cracking, and caustic environments. Manufactured to ASTM B168 and ASME SB168 specifications, Inconel 690 Sheets deliver superior strength, structural stability, and reliability in demanding applications such as power generation, chemical processing, and nuclear industries.
Inconel 690 Sheets Manufacturers like SMM Industries LLP provide material solutions that combine chemical resistance and thermal endurance. These sheets are composed of more than 58% nickel, 27-31% chromium, and 7-11% iron, along with small quantities of manganese, silicon, and carbon. With excellent weldability and fabricability, Inconel 690 Sheets are used in high-pressure, high-temperature applications where conventional alloys fail. They maintain their integrity even after long exposure to corrosive or oxidizing environments, making them a preferred choice across critical industries.
Globally recognized under various names, Inconel 690 Sheets are called Alloy 690 Plates in the USA, NiCr29Fe Sheets in Germany (DIN), NS333 Sheets in China, and EN 2.4642 Sheets in the EU. Their universal reputation stems from their use in key sectors. In nuclear power plants, they are used for steam generator tubing and reactor internals due to resistance against hot acidic and oxidizing conditions. In chemical processing, they function in heat exchangers, evaporators, and gas scrubbing units. In thermal power plants, their role includes high-pressure heater tubes and feedwater heaters. For marine engineering, Inconel 690 Sheets are used in offshore platforms and desalination systems where saltwater corrosion is a risk.
Applications of Inconel 690 Sheets cover an array of industries that need uncompromising reliability:
Thermal Power Plants: Used in steam generators, pressure vessels, and feedwater heaters for their oxidation resistance.
Nuclear Reactors: Essential in nuclear steam generator tubing due to their resistance to aggressive oxidizing environments.
Chemical Processing: Valued for resisting corrosive chemicals in heat exchangers, evaporators, and reactors.
Desalination Plants: Ideal for brine heaters and evaporators that operate in chloride-rich atmospheres.
Heat Treatment Furnaces: Used for furnace components exposed to oxidizing conditions at high temperatures.
Marine Applications: Performs well in salty marine atmospheres and offshore components.
Pollution Control Systems: Preferred for incinerator parts and flue gas scrubbers exposed to corrosive gases.
Pharmaceutical Equipment: Utilized where hygiene and corrosion resistance are critical in manufacturing units.
Oil and Gas Refineries: Suitable for flare tips, downhole tools, and other high-heat exposure components.
Aerospace: Deployed in engine parts where temperature resistance and durability are required.
As top-tier Inconel 690 Sheets Suppliers, SMM Industries LLP maintains a wide inventory, ready for quick delivery in India and across international markets. Our sheets range from 0.5 mm to 50 mm thickness and are available in both hot rolled and cold rolled formats. Each sheet is tested with Mill Test Certificates and is compliant with global standards, ensuring traceability and top quality.
Our commitment as trusted Inconel 690 Sheets Stockists ensures clients get high-strength materials that meet application-specific needs. Whether you’re in the USA, UAE, Saudi Arabia, or Germany, we have the logistics and compliance systems in place to deliver on time. We ship Inconel 690 Sheets with complete export documentation, secure packaging, and third-party inspection on request.
Recognized as one of the reliable Inconel 690 Sheets Exporters, we understand regional specifications and provide tailored solutions to meet client demands globally. From ASTM B168 to UNS N06690, we deliver material that meets or exceeds international standards. Whether it's EN, DIN, ASME, or JIS equivalents, we make sure you get sheets compatible with your country’s engineering norms and practices.
At SMM Industries LLP, every sheet we deliver reflects precision engineering, quality assurance, and a commitment to performance. Choose Inconel 690 Sheets from a name that industries across the world trust for critical applications.
| Standard | ASTM B168 / ASME SB168 |
|---|---|
| Thickness | 0.3 mm to 120 mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Tempers | Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard |
| Sheets Hardness | Half Hard, Quarter Hard, Soft, Hard, Spring Hard |
| Value added services for Sheets | Waterjet cutting, Plasma cutting, Laser cutting, Bending and mechanical processing, edge preparation, welding, sawing and shearing |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| Inconel 690 | 2.4856 | N06625 | NCF 625 | NA 21 | ХН75МБТЮ | NC22DNB4M | NiCr22Mo9Nb |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| Inconel 690 | 0.15 max | 1.00 max | 0.50 max | 0.015max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| Inconel 690 | 8.47 g/cm3 | 1413 °C (2580 °F) | Psi – 95,000 , MPa – 655 | Psi – 45,000 , MPa – 310 | 40 % |
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