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Nial Sheets and Plates is a reputable manufacturer and supplier of Inconel 690 Sheets and Plates based in Houston, USA. They specialize in providing high-performance nickel-chromium alloy materials that are built to withstand extreme heat and corrosive environments. Inconel 690 is particularly prized for its exceptional resistance to oxidizing chemicals, high-temperature gases, and corrosion, making it a go-to choice in the nuclear and chemical processing industries. Nial offers a diverse selection of Inconel 690 Sheets and Plates in various sizes and thicknesses, all featuring excellent surface finishes and precise dimensional tolerances to meet the needs of critical applications around the globe.
These Inconel 690 Sheets and Plates are made up of roughly 58–63% nickel, 27–31% chromium, and 7–9% iron, along with trace amounts of silicon, manganese, and carbon. The high chromium content ensures remarkable resistance to oxidation, sulfur attack, and stress-corrosion cracking. With tensile strengths reaching up to 690 MPa, these plates also boast excellent thermal stability and outstanding metallurgical strength in high-temperature settings, capable of enduring temperatures of 1000°C and beyond.
| Standards : | ASTM B168 / ASME SB168 |
| Dimensions : | ASTM, ASME, and API |
| Sheets Thickness : | Range from .008″ to .0125″ |
| Shims Thickness : | Range from .01″ to .0125″ |
| Plates Thickness : | Ranges from .0125″ to 5.00″ |
| Sheets/Plates Width : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Sheets/Plates Length : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Tempers : | Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard |
| Hardness : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Value Added Service : | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Element | Tensile Rm | Tensile Rm | R.p. 0.2% Yield | R.p. 0.2% Yield | Elongation (2” or 4D gl) |
| Inconel 690 | 86 ksi (min) | 590 MPa (min) | 35 ksi (min) | 240 MPa (min) | ≥30 % (min) |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 690 | 0.05 max | 0.5 max | 0.5 max | 0.015 max | 0.5 max | 7 – 11 | Remainder | 27 – 31 |
| Density | Electrical Resistivity | Modulus Elasticity | Thermal Expansion | Thermal Conductivity | Specific Heat (0-100°C) |
| 8.2 g/cm3 | 1.26 μohm/cm | 211 GPa | 14 mm/m/°C | 13.5 W.m -1.°K-1 | 450 J.kg-1.°K-1 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nial Sheets and Plates based in Houston, USA, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Inconel 690 Sheet and Plate offers numerous advantages, making it ideal for demanding applications. Its outstanding corrosion resistance, especially in oxidizing and high-temperature environments, ensures long-term performance in harsh conditions. The high chromium content provides excellent resistance to stress corrosion cracking, particularly in caustic solutions. With superior mechanical strength and stability at elevated temperatures, it is perfect for heat exchangers, nuclear reactors, and chemical processing equipment. Additionally, its excellent weldability and formability allow for versatile fabrication, ensuring reliability and cost-efficiency in various industrial applications.
Yes, we offer custom sizes for Inconel 690 Sheets and Plates to meet specific project needs. Our team at Nial Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
| Tolerance over and under nominal thickness t (mm) | ||||||||||
| Width w (mm) | 2.54.56.08.010.012.516.020.025.030 | |||||||||
| w < 1200 | 0.20 | 0.23 | 0.30 | 0.32 | 0.35 | 0.80 | 0.80 | 0.80 | 1.0 | 1.4 |
| 1200< w <1500 | 0.20 | 0.25 | 0.30 | 0.35 | 0.38 | 0.80 | 0.80 | 0.90 | 1.0 | 1.4 |
| 1500< w <1800 | 0.20 | 0.28 | 0.32 | 0.38 | 0.40 | 0.80 | 0.80 | 0.90 | 1.1 | 1.5 |
| 1800< w <2100 | 0.20 | 0.30 | 0.36 | 0.40 | 0.45 | 0.80 | 0.80 | 0.90 | 1.1 | 1.5 |
| 2100< w <2400 | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | 0.90 | 1.0 | 1.1 | 1.5 | |
| 2400< w <2700 | 0.80 | 0.80 | 0.80 | 0.80 | 0.90 | 1.0 | 1.1 | 1.3 | 1.7 | |
| 2700< w <3000 | 0.80 | 0.90 | 1.0 | 1.0 | 1.0 | 1.1 | 1.3 | 1.4 | 1.8 | |
Inconel 690 Sheets and Plates find extensive use in nuclear steam generators, heat exchangers, condensers, furnace muffles, and chemical reactors. Their ability to resist nitric acid, hydrochloric acid, and hot contaminated media makes them perfect for pollution control systems and petrochemical plants. In nuclear applications, they are favored for components that require low corrosion rates and high structural integrity under radiation and heat. Thanks to Inconel 690’s long service life, strength, and resilience in harsh operating conditions, it stands out as an excellent choice for critical infrastructure and high-performance engineering systems.
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