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Incoloy 825 B424

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Incoloy 825 B424

Incoloy 825 B424 Plate is a highly corrosion-resistant alloy primarily composed of nickel, iron, and chromium, with added elements such as molybdenum, copper, and titanium that enhance its performance in aggressive chemical environments. This alloy is specially designed to offer outstanding resistance to acidic and oxidizing environments, including sulfuric acid, phosphoric acid, and seawater. Incoloy 825 B424 Plates provide excellent resistance to stress-corrosion cracking, pitting, and crevice corrosion, making them suitable for a variety of severe service applications. Common uses include acid production plants, chemical tanks, heat exchangers, and marine exhaust systems where both mechanical strength and chemical stability are essential.


Renam Alloys Inc. is a prominent supplier and exporter of Incoloy 825 B424 Plates, Sheets, Hot Rolled Plates, and Cold Rolled Plates for both domestic and international markets. Our inventory includes a wide selection of Incoloy 825 Coils, Strips, and Sheets that cater to industries exposed to highly corrosive conditions. Known for maintaining strict quality standards, Renam Alloys Inc. ensures that every product conforms to ASTM B424 specifications and offers reliable performance, durability, and longevity in challenging environments. Our materials are trusted by industries such as chemical processing, pollution control, nuclear fuel reprocessing, and marine engineering.


Features of Incoloy 825 B424 Plate

Incoloy 825 B424 Plates are valued for their exceptional corrosion resistance in a wide range of aggressive environments. They are especially effective against sulfuric and phosphoric acids, as well as oxidizing and reducing chemicals. The alloy's balanced composition of nickel, iron, chromium, molybdenum, copper, and titanium offers superior resistance to pitting, crevice corrosion, and stress-corrosion cracking. These features make the plates ideal for use in industries requiring reliable material performance in acidic, marine, and chemical processing environments.


Characteristics of Incoloy 825 B424 Plate

Incoloy 825 B424 Plates exhibit outstanding resistance to both oxidizing and reducing agents, thanks to the presence of molybdenum and copper. These plates maintain their mechanical properties and structural integrity even in harsh acidic environments, making them suitable for critical components like acid tanks, chemical reactors, and heat exchangers. They also offer excellent weldability and can be easily fabricated using standard procedures, ensuring long service life and low maintenance in demanding industrial settings.


Manufacturing of Incoloy 825 B424 Plate

At Renam Alloys Inc., Incoloy 825 B424 Plates are manufactured through carefully controlled hot rolling and cold rolling processes to ensure precise thickness, superior finish, and dimensional accuracy. These plates undergo solution annealing to optimize corrosion resistance and improve formability. Every production batch is rigorously tested for chemical composition, mechanical strength, and microstructural consistency in accordance with ASTM B424 specifications. Our commitment to quality ensures that each plate performs reliably even in the most corrosive industrial applications.


Specifications

Specification ASTM B424 / ASME SB424
Width 1000mm - 2500mm
Thickness 0.5mm - 50mm
Length 2000mm - 6000mm
Supply Condition Hot-Rolled, Cold-Rolled, Annealed, and as per customer requirements
Impact Tested -196°C
Process of Manufacturing Hot-Rolled, Cold-Rolled, Annealing, Pickling, and Passivation

Chemical Composition of Incoloy 825 B424 Plate

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
Aluminum (Al) 0.2 - 0.6
Manganese (Mn) 1.0 max
Silicon (Si) 0.5 max
Carbon (C) 0.05 max
Sulfur (S) 0.015 max

Mechanical Properties of Incoloy 825 B424 Plate

Property Value
Tensile Strength 80,000 psi (552 MPa) min
Yield Strength 30,000 psi (207 MPa) min
Elongation 40% (in 2 inches / 50 mm)
Hardness Rockwell B: ≤ 90
Modulus of Elasticity 205 GPa

Equivalent Grades of Incoloy 825 B424 Plate

Standard ASTM B424 ASME SB424 UNS Werkstoff Nr. ISO
Equivalent Grade Incoloy 825 Incoloy 825 N08825 2.4858 NiCr21Mo

WE OFFER THE FOLLOWING PROCESSING FOR NICKEL ALLOY PLATES

Cutting, Forming, Drilling / Machining, Grinding, Testing, Polishing


Applications of Incoloy 825 B424 Plates

Incoloy 825 B424 Plates are designed for applications where excellent corrosion resistance is required, particularly in highly corrosive environments. These plates offer exceptional resistance to both oxidizing and reducing environments, making them ideal for a wide range of industries where durability and strength are critical.

In the chemical processing industry, Incoloy 825 B424 Plates are extensively used in heat exchangers, reactor vessels, and piping systems where they provide long-term resistance to chemical attack, especially in harsh conditions involving sulfuric acid, phosphoric acid, and other aggressive chemicals.

The petrochemical industry relies on the exceptional properties of Incoloy 825 B424 Plates in demanding applications such as crude oil distillation units, gas treatment units, and refining processes, where their ability to resist pitting, crevice corrosion, and stress corrosion cracking ensures long-lasting performance.

In the power generation sector, these plates are used in critical components like scrubbers, flue gas desulfurization units, and heat exchangers, where their resistance to both high temperature and corrosive gases ensures efficiency and reliability in challenging environments.

In the marine industry, Incoloy 825 B424 Plates are used in offshore platforms, marine exhaust systems, and desalination plants, where the material’s resistance to seawater corrosion is crucial for maintaining performance and minimizing maintenance.

In the food processing industry, Incoloy 825 B424 Plates are utilized in heat exchangers, evaporators, and sterilizers, ensuring the durability and hygiene of equipment exposed to high-temperature steam and aggressive cleaning processes.