Excellent resistance to corrosion in acidic environments · High strength and durability · Resistance to stress corrosion cracking · Global Industrial Supply
Incoloy 825 Plate is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium, designed to provide exceptional resistance to both oxidizing and reducing environments. This alloy is highly resistant to corrosion, especially in acidic conditions such as sulfuric and phosphoric acids. Incoloy 825 Plates are widely used in industries where strong resistance to pitting, crevice corrosion, and stress corrosion cracking is required. HRS Ferritic is a leading Incoloy 825 Plate Supplier, Stockist, and Importer, offering high-quality alloy plates sourced from valuable and certified global manufacturers.
Incoloy 825 Plate works by forming a highly stable and protective oxide layer on its surface when exposed to aggressive environments. This layer prevents further corrosion and ensures long-lasting performance even in highly acidic and marine conditions. The combination of nickel, chromium, molybdenum, copper, and titanium allows the alloy to maintain integrity under extreme chemical exposure and temperature variations.
Key alloying elements that contribute to the high-performance structure of Incoloy 825 alloy.
ASTM B424 · ASME SB424 · UNS N08825 · EN 2.4858 / NiCr21Mo
| Specification | Details |
|---|---|
| ASTM / ASME | ASTM B424 / ASME SB424 (Plate, Sheet, and Strip) |
| UNS | UNS N08825 |
| EN / DIN | 2.4858 / NiCr21Mo |
| ISO | ISO NiCr21Mo |
| JIS | NCF 825 |
| Product Form | Sheets / Plates |
| Thickness Range | 0.5 mm to 100 mm |
| Standard Widths | 1000, 1219, 1250, 1500, 1800, 2000, 2500, 3000, 3500 mm, etc |
| Standard Lengths | 2000, 2440, 2500, 3000, 5800, 6000 mm, etc |
| Custom Cuts | Available as per customer requirement (Width & Length) |
| Surface Finish | Hot Rolled (HR), Cold Rolled (CR), Annealed & Pickled (AP) |
| Supply Condition | Solution Annealed |
| Cutting Methods | Plasma, Laser, Waterjet, Oxy Propane |
| Packaging | Bundled, Wooden Plates, Bubble wraps, Customized |
Precision sheets, heavy plates, and shim sheets available in Alloy 825.
Slitting coils, perforated coils, and thin foils from 0.05 mm thickness.
Circles, rings, custom-cut blanks, and chequered (tread) plates.
Mill edge, slit edge, round edge, and square edge conditions available.
38.0 – 46.0% — Primary element for structural stability.
19.5 – 23.5% — Provides excellent oxidation resistance.
22.0% min — Base metal providing fundamental strength.
2.5 – 3.5% — Enhances resistance to pitting and crevice corrosion.
≥ 585 MPa — High strength for extreme industrial applications.
≥ 240 MPa — Reliable load-bearing capacity at 0.2% offset.
≥ 30% — Excellent ductility for break and fabrication.
≤ 200 HB — Controlled Brinell hardness for optimal toughness.
Available in multiple finishes and conditions for diverse engineering needs.
Detailed elemental composition (wt %) of the Alloy 825 high-performance material.
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 38.0 – 46.0 |
| Iron (Fe) | 22.0 min |
| Chromium (Cr) | 19.5 – 23.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Copper (Cu) | 1.5 – 3.0 |
| Titanium (Ti) | 0.6 – 1.2 |
| Carbon (C) | ≤ 0.05 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 0.5 |
| Sulfur (S) | ≤ 0.03 |
| Aluminum (Al) | ≤ 0.2 |
Cross-reference table for international designations of Incoloy 825 plates.
| Standard | Equivalent Grade |
|---|---|
| UNS | N08825 |
| Werkstoff (DIN) | 2.4858 |
| EN / ISO | NiCr21Mo |
| AFNOR (France) | NC21FeDu |
| BS (British Standard) | NA16 |
| JIS (Japan) | NCF 825 |
| ASTM / ASME | B424 / SB424 |
| NACE | MR0175 / ISO 15156 |
HRS Ferritic is a leading Incoloy 825 Plate Supplier and Stockist, delivering excellence in alloy products with reliability and trust. We source premium materials from certified global mills, ensuring consistent performance for your critical projects.
Quick answers to common queries about Incoloy 825 Plates.