Louis Metals is a manufacturer and supplier based in Houston, USA, specializing in delivering quality Incoloy 825 Forgings to satisfy the consumer’s wide range of applications. Our company is renowned for its excellent corrosion resistance, high strength and durability making the forged product suitable for applications in chemical processing, oil and gas and marine sectors. Louis Metals is successful with precision engineering, combined with reliable service, to ensure that Incoloy 825 products meet the standards of leading criteria, making us a good partner in all your forging needs.
Incoloy 825 contains Ni 38–46%, Fe 23–30%, Cr 19.5–23.5%, Mo 2.5–3.5%, Cu 1–2%, and Ti small addition. It gives tensile strength ~655 MPa, yield strength ~275 MPa, and elongation of about 35%. Hardness in annealed condition is ~200 HB. It gives very good resistance to reducing and oxidizing acids, chloride-induced stress corrosion cracking, and general corrosion. The alloy is stable up to 500–600 °C, and the mechanical integrity is good and adheres to ASTM B408 forging standards.
Specifications ASTM B564 / ASME SB564
Flat bar blocks up to 27″ width and 15,000 lbs.
Cylinders and sleeves up to 50″ maximum O.D. and 65″ maximum length
Discs and hubs up to 50″ diameter and 20,000 lbs.
Rolled, hand forged or mandrel forged rings up to 84″ maximum O.D. and 40″ maximum length
Rounds, shafts and step shafts up to 144″ maximum length and 20,000 lbs.
| Grade | C | Mn | Si | S | Al | Ti | Fe | Ni | Cr |
| Incoloy 825 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | 0.40 max | 0.40 max | 5.0 max | 58.0 min | 20.0 – 23.0 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa -930 | Psi – 75,000 , MPa – 517 | 42.5 % |
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST | OR |
| Alloy 825 | N08825 | 2.4858 | NC22DNB4M | NiCr22Mo9Nb | NCF 825 | NA 21 | ЭП703 | ЭИ602 |
To determine if Incoloy 825 Forgings meet your needs, assess your application's requirements for corrosion resistance, strength, and temperature tolerance. Consult product specifications and industry standards to ensure compatibility with your operational environment.
The forging process for Incoloy 825 typically takes several hours to days, depending on the size, complexity, and specific requirements of the component. Additional time may be needed for heat treatment and quality inspections.
Yes, Incoloy 825 can be forged into custom shapes due to its excellent workability and adaptability. Skilled forging techniques and precise tooling ensure it meets specific design and application requirements.
Incoloy 825 forgings find applications in chemical process equipment, including reactor internals, heat exchangers, valves, and piping. They‘re critical in sulfuric and phosphoric acid plants, desulfurization equipment, and pickling equipment. Marine usage includes seawater valves, pump shafts, and desalting equipment. In oil & gas, the alloy is applicable in sour-gas, hydrocarbon handling, and chemical reactors. Its excellent resistance to corrosion in severe conditions makes it ideal for pharmaceutical, food processing, and nuclear control equipment. Incoloy 825 has durable, long-lasting performance in tough chemical and mechanical environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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