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Nial Sheets and Plates is a trusted manufacturer and supplier of Incoloy 825 Circles based in Houston, USA. They specialize in high-quality nickel-iron-chromium alloy components designed for environments that face aggressive chemicals and high temperatures. Renowned for their precision fabrication and commitment to global standards, Nial provides Incoloy 825 Circles in a variety of thicknesses and diameters, catering to the needs of industries like chemical processing, marine, power generation, and oil and gas. These circles are engineered for strength, corrosion resistance, and dimensional stability, ensuring they perform reliably over the long haul in critical applications.
Incoloy 825 is made up of about 38–46% nickel, 19.5–23.5% iron, 19.5–23.5% chromium, 2.5–3.5% molybdenum, and 1.5–3% copper, along with some titanium and trace elements. This alloy is known for its impressive resistance to both oxidizing and reducing acids, including sulfuric and phosphoric acid, and it also protects against stress corrosion cracking caused by chlorides. Incoloy 825 Circles boast a tensile strength of around 85 ksi (586 MPa), along with high ductility and solid resistance to pitting, crevice corrosion, and intergranular attack. The alloy remains mechanically stable across a wide range of temperatures and chemical exposures.
Standards: EN, DIN, JIS, ASTM, BS, ASME, AISI
Rings Diameter: 3″ OD up to 48″ OD Up to 900 lbs max
Circle Diameter: 3″ DIA up to 38″ DIA 1500 lbs max
Specifications : ASTM / ASME SB 168, ASTM / ASME SB 424 , ASTM / ASME SB 443
Forms : Forging & Plate Cut
| STANDARD | UNS | WERKSTOFF NR. | GOST | BS | OR | EN | JIS | AFNOR |
| Incoloy 825 | N08825 | 2.4858 | ЭП703 | NA 16 | XH38BT | NiCr21Mo | NCF 825 | NFE30C20DUM |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| Incoloy 825 | 0.05 max | 1.00 max | 0.5 max | 0.03 max | 1.50 – 3.00 | 22.00 min | 38.00 – 46.00 | 19.50 – 23.50 | 0.02 max | 0.06 – 1.2 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Incoloy 825 | 8.14 g/cm3 | 1400 °C (2550 °F) | Psi – 80,000 , MPa – 550 | Psi – 32,000 , MPa – 220 | 30 % |
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.
Incoloy 825 circles offer several advantages, making them ideal for demanding applications. They provide excellent resistance to corrosion in both reducing and oxidizing environments, especially in sulfuric and phosphoric acid conditions. The alloy’s high resistance to stress corrosion cracking, pitting, and crevice corrosion ensures durability in harsh conditions. Incoloy 825 also exhibits outstanding weldability and formability, making it easy to fabricate into complex shapes. Additionally, it maintains good strength and oxidation resistance at elevated temperatures, ensuring long-lasting performance in industries such as chemical processing, power generation, and marine environments.
Yes, we offer custom sizes for Incoloy 825 Circle 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.
These Incoloy 825 Circles are commonly used in applications that require outstanding corrosion resistance and structural integrity. In the chemical processing sector, they find their place in acid production equipment, heat exchangers, and reactor vessels. In marine applications, they are utilized in seawater cooling systems, pump shafts, and pressure vessels. The oil and gas industry employs them in downhole tubing, wellhead equipment, and components that come into contact with sour gas. Additionally, these circles are integral to pollution control equipment, such as scrubbers and flue gas handling systems. Their strength and resistance to corrosion make them an excellent choice for challenging industrial environments.
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Houston, TX 77041
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