Incoloy 825 Sheet (UNS N08825 / W.Nr. 2.4858)
High-strength corrosion-resistant alloy sheet for chemical processing and pollution control system
As a professional nickel alloy supplier, SEATHER TECHNOLOGY manufactures and supplies high-quality Incoloy 825 sheet in strict accordance with ASTM B424 standards.
Incoloy 825 is a nickel-iron-chromium alloy designed to provide excellent resistance to a wide range of corrosive environments. Its balanced chemical composition delivers outstanding resistance to general corrosion, pitting, and stress corrosion cracking, making Incoloy 825 sheet highly suitable for demanding applications. It is widely used in harsh service conditions such as chemical processing, oil and gas production, marine environments, and acid handling systems. In addition, Incoloy 825 sheet maintains stable mechanical properties and structural integrity under high temperature and high pressure operating conditions.
We are committed to supplying high-quality Incoloy 825 sheet with consistent performance and reliability. Our products are manufactured using advanced cold rolling equipment, enabling precise thickness control and excellent surface quality across a wide range of specifications. Each batch undergoes strict quality control and inspection, and Mill Test Certificates (MTC) are provided prior to shipment. We also offer custom cutting and processing services to meet your specific dimensional and application requirements.
Incoloy 825 Sheet (UNS N08825) Specifications & Srtandard
- Thickness Range: 0.1mm ~ 5.0mm (For thickness > 5 mm, please refer to 825 nickel alloy plate)
- Width Range: 500mm ~ 1000mm
- Length: 500mm ~ 6000mm
- Customized size needs to be confirmed with our team
- Grades: 825 / UNS N08825 / W.Nr. 2.4858
- Standards: ASTM B424
ASTM B906
ASME SB 424
ASME SB 906
BS 3072NA16
BS 3073NA16
DIN 17750
VdTÜV 432
ISO 6208 - Delivery State: Cold Rolled
- Finish: 2B, No.1, No.2, No.4, BA, 6K, Mirror Finished, 8K, Hair Line with PVC or as per demand
- Brand: SEATHER TECHNOLOGY, Special Metals(SMC), HAYNES International, VDM Metals, ATI, etc.
Incoloy 825 Sheet (UNS N08825) Applications & Usages
Incoloy 825 alloy can be used in a variety of applications including:
- Fuel element dissolvers
- Sea-water-cooled heat exchangers; offshore product piping systems; tubes and components in sour gas service
- Heat exchangers, evaporators, scrubbers, dip pipes etc.
- Air-cooled heat exchangers in petroleum refineries
- Chemical Processing
- Food Processing
Incoloy 825 Sheet (UNS N08825) Drawing & Formula
Formula: m = W (m) × THK (mm) × L (m) × ρ (g/cm³)
W = Width, THK = Thickness, L = Length, ρ = Density
What is Incoloy 825 Alloy
Alloy 825 also referred to as the UNS N08825/W.Nr. 2.4858 alloy.
It is a nickel-iron-chromium alloy with additions of molybdenum, copper and titanium.
The alloy’s chemical composition is designed to provide exceptional resistance to many corrosive environments.
Typical applications for alloy 825 products are chemical processing, pollution control, oil and gas recovery, acid production, pickling operations, nuclear fuel reprocessing, and handling of radioactive wastes.
Incoloy 825 Sheet (UNS N08825) Chemical Composition
| Incoloy 825 Alloy Chemical Composition(%) | ||||||||||
| Ni | Fe | Cr | Mo | Cu | Ti | C | Mn | S | Si | Al |
| 38.0-46.0 | 22.0 min | 19.5-23.5 | 2.5-3.5 | 1.5-3.0 | 0.6-1.2 | 0.05 max | 1.0 max | 0.03 max | 0.5 max | 0.2 max |
Incoloy 825 Sheet (UNS N08825) Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.14 g/cm3 | 1400 °C (2550 °F) | 690-1000Mpa | 330-880Mpa | 45% – 15% |
Incoloy 825 Sheet (UNS N08825) Physical Properties
| Melting Range | Specific Heat, 20°C (J/(g.K)) | Magnetic Permeability (20°C) | Thermal Conductivity, 20°C (W/(m.K)) | Curie Temperature (°C) |
| 1400 °C (2550 °F) | 440 | <1.005 | 10.8 | -196 |

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More Information About Incoloy 825 Sheet (UNS N08825)
When you choose to buy Incoloy 825 Sheet (UNS N08825), there have some important points we need to know before we get started.
Pitting resistance equivalency numbers (PREN) for Incoloy 825 Sheet
Incoloy 825 PREN: 31.4
The pitting resistance equivalency number uses the alloy’s chemical makeup to guess its power against pitting corrosion. You check how much chromium, molybdenum, tungsten, and nitrogen are in the alloy. These elements help keep the steel safe. The most used formula is:
PREN = CR% + 3.3 x (MO% + 0.5 x W%) + 16 x N% How to Purchase Incoloy 825 Sheet
When purchasing plates sheets, it’s essential to have the right materials and information to ensure a smooth procurement process and to get the products that meet your needs.
Here’s what you need to provide:
1. Material: Specify the grade material, Alloy 825/UNS N08825
2. Size: Specify the plate’s thickness, width, length
3. Quantity: Provide the exact number of plates required for an accurate quotation.
4. Technical specifications: Include technical specifications and drawings. If there are unique design requirements, detailed drawings can be attached.
5. Quality standards: Specify quality standards and inspection requirements, such as the need for third-party inspection, material certification, and inspection reports.
6. Special requirements: Specify any special surface treatment, polishing, corrosion resistance requirements, etc.
7. Packaging requirements: If there are specific packaging needs, such as protective or anti-corrosion packaging, please specify.
8. Delivery time: Specify the expected delivery time and location.
By preparing the above information, you can streamline the process of purchasing plates and ensure that you receive high-quality products that meet your requirements.
Conclusion
We have introduced our products briefly. If you want to know more about it, you can check the article here Inconel Alloy 825: Composition, Properties and Applications.
If you need to purchase alloy plates sheets, please get in touch with us immediately.
Trademark Notices:
Inconel®, Incoloy®, and Monel® are registered trademarks of Special Metals Corporation.
Hastelloy® is a registered trademark name of Haynes International, Inc.
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