UNS N08825 / 2.4858 • ASTM B424-22 • CORROSION-RESISTANT ALLOY PLATE
ACID-SERVICE EQUIPMENT & INDUSTRIAL PROCUREMENT
Source UNS N08825 nickel alloy plate for your chemical processing, acid-handling and fabricated equipment projects. Send your dimensions, quantity, material condition and destination for a quotation.
Review ASTM B424 Specifications ↓
Confirm the UNS grade, plate dimensions, annealing condition and inspection requirements before placing your purchase order.
| Commercial alloy | Incoloy 825 / Alloy 825 |
| UNS designation | N08825 |
| European material number | 2.4858 |
| Plate standard | ASTM B424-22 |
| ASME material reference | ASME SB-424 when specified for the project |
| Product family | Nickel-iron-chromium-molybdenum-copper alloy |
| Delivery condition | Annealed plate; heat treatment and surface finish confirmed with order |
| Plate dimensions | Thickness × width × length according to your RFQ |
| Surface / edges | Annealed and finished surface; edge details as agreed |
| Density for weight estimate | 8.14 g/cm³ |
| Material documentation | MTC, heat number, chemical analysis and test requirements |
| Shipment information | Plate quantities, delivery terms and destination port |
Availability, material origin, dimensions, processing and inspection documentation are confirmed for each purchase. The scale figures above describe the company-wide steel business.
Use the specified minimum mechanical values for annealed plate, with the material certificate providing the actual measured results.
These minimum tensile, yield and elongation values apply to the annealed UNS N08825 plate condition covered by the standard.
Confirm actual strength, heat analysis and identification through the documentation required in your purchase order.
Check nickel, chromium, molybdenum and copper ranges against your corrosion-service material specification.
| Element | Mass Percentage |
|---|---|
| Nickel (Ni) | 38.0–46.0% |
| Chromium (Cr) | 19.5–23.5% |
| Molybdenum (Mo) | 2.5–3.5% |
| Copper (Cu) | 1.5–3.0% |
| Titanium (Ti) | 0.6–1.2% |
| Iron (Fe) | Balance |
| Carbon (C) | ≤ 0.05% |
| Manganese (Mn) | ≤ 1.00% |
| Silicon (Si) | ≤ 0.50% |
| Sulfur (S) | ≤ 0.03% |
| Aluminum (Al) | ≤ 0.20% |
Use UNS N08825 and the applicable ASTM B424 edition in your RFQ. The final heat chemistry is recorded on the supplied material documentation.
Review finish and dimensional requirements for the fabrication process planned by your equipment contractor.

Specify surface finish, cleanliness and handling condition with your order.

Confirm thickness, flatness, edge condition and cut dimensions for your drawings.
Alloy 825 plate is selected for equipment exposed to aggressive process fluids. Your engineering team can confirm compatibility with the specified operating conditions.

Plate for fabricated process vessels, tanks and associated acid-processing equipment.

Nickel alloy plate for equipment exposed to designated acid-cleaning and regeneration streams.
Plates formed and welded to the specified equipment design and corrosion service.
Plates for components serving sulfuric- and phosphoric-acid process systems.
Corrosion-resistant fabricated parts for selected wet-gas and pollution-control systems.
Plate components for heat-exchange equipment and adjacent process structures.
Specified components for oil and gas equipment subject to appropriate service qualification.
Plate parts for plant maintenance, processing equipment and retrofit projects.

Source plate by heat-treated condition, flat dimensions and drawing requirements. Include the material certificate type and any additional corrosion-service acceptance criteria in your RFQ.
Enter your plate dimensions and quantity to estimate nominal weight using Alloy 825 density of 8.14 g/cm³.
Nominal mass estimate based on 8,140 kg/m³; actual supplied and invoiced weight follows the agreed tolerance and weighing terms.
Theoretical weight helps you prepare a material list and freight estimate. Your final quote can reflect grade, finished dimensions, material condition, documents and shipment terms.
Coordinate specialty plate sourcing with a manufacturing-scale steel business and a sales team focused on material specification and inspection details.
Our steel production volume spans 8 million metric tons annually across the company's full steel product range.
Manufacturing ↗Our company-wide regular inventory reaches 1 million metric tons of steel. N08825 alloy plate stock is checked separately for each enquiry.
Steel Inventory ↗List the ASTM standard, chemical verification, heat number and PMI requests in one purchase enquiry.
Quality Control ↗Coordinate required sizes, quantity, packing details and destination through a single sales contact.
Submit your drawing and surface requirements with the plate enquiry. Our team will review suitable cutting and finishing arrangements against the requested thickness and tolerances.


Specify your chemical, mechanical and dimensional acceptance requirements before confirming the order.
Send your N08825 material list to check current availability, processing feasibility and shipment terms.
ASTM B424-22, annealed condition and any applicable project code.
Thickness, width, length and total plate count or tonnage.
MTC, PMI, traceability and additional inspection scope.
Destination port, packing requirements and planned delivery date.
Material condition and availability are reviewed against your required dimensions and purchase order.
Include surface protection, plate separation and cargo-handling requirements in your order so the packing arrangement matches your material finish.

Review related UNS grades for your process equipment specification and purchasing list.
ASTM B424-22 covers rolled UNS N08825 nickel-iron-chromium-molybdenum-copper plate, sheet and strip. Include the standard edition in your order.
ASTM B424 specifies 586 MPa minimum tensile strength, 241 MPa minimum 0.2% yield strength and 30% minimum elongation for annealed N08825 plate.
Multiply thickness × width × length in millimetres by 0.00000814 to estimate kilograms per plate, using density 8.14 g/cm³.
Send ASTM B424 / UNS N08825, the plate sizes, annealing condition, quantity, inspection documents and destination port. Add drawings for cut plate components.
Send your required grade, dimensions, quantity and destination. Our team will review the inquiry.