Alloy 825 Plate – 520 × 1030 × 8 mm

SSM supplies Alloy 825 Plates (520×1030×8 mm) conforming to ASTM B444 / ASME SB444, providing excellent corrosion resistance and mechanical strength for chemical, marine, and offshore applications.

Material Overview:

Material Grade: Alloy 825 (UNS N08825)

Standard: ASTM B444 / ASME SB444

Form: Plate / Sheet

Dimensions: 520 mm (width) × 1030 mm (length) × 8 mm (thickness)

Type: Nickel-Iron-Chromium Alloy with Molybdenum and Copper

Chemical Composition (Typical):

Nickel (Ni): 38–46%

Chromium (Cr): 19.5–23.5%

Iron (Fe): Balance

Molybdenum (Mo): 2.5–3.5%

Copper (Cu): 1–2%

Carbon (C): ≤ 0.05%

Manganese (Mn) + Silicon (Si): ≤ 1.0% combined

Key Features:

Excellent resistance to corrosion in oxidizing and reducing environments, including strong acids

Superior resistance to chloride-induced stress corrosion cracking

High mechanical strength and toughness over a wide temperature range

Good fabricability and weldability

Suitable for marine, chemical, and offshore applications

Typical Applications:

Chemical processing equipment (reactors, tanks, heat exchangers)

Piping and tubing in corrosive environments

Marine and offshore platforms

Pollution control equipment

Acid handling and storage systems

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