Aluminium Plate

Stellanox Steel supplies high-strength, precision-engineered Aluminium Plates designed for heavy-duty structural, marine, and aerospace applications. Manufactured from robust aluminium alloys like 5052, 5083, 6061, and 7075, these plates are known for their lightweight properties, excellent machinability, and resistance to corrosion and stress.

We offer Aluminium plates in various grades, tempers, thicknesses, and surface finishes—custom-cut to match the exact needs of industries like defense, automotive, shipbuilding, tooling, and construction.

What are Aluminium Plates?

Aluminium Plates are flat-rolled, thick metal slabs with superior strength and durability. They are used where high-load performance, dimensional stability, and corrosion resistance are essential. Unlike sheets, plates generally exceed 6 mm in thickness and are suitable for machining, heavy-duty fabrication, and load-bearing assemblies.

Grades like 5083 are favored in marine and structural applications, while 7075 and 6061 are top choices for aerospace and automotive components.

Products
Stainless Steel
Carbon Steel
Duplex Stainless Steel
Super Duplex Stainless Steel
Alloy Steel
Titanium
Hastelloy
Inconel
Monel
Aluminium
Copper
Pure Nickel
Flanges
Forged Fittings
Valves
Fasteners

Key Features

✅ High Strength-to-Weight Ratio

✅ Excellent Corrosion Resistance – Especially in Marine Environments

✅ Outstanding Machinability and Weldability

✅ Available in Thick Gauges for Load-Bearing Applications

✅ Conforms to ASTM, AMS, EN, and ISO Standards

✅ Custom Cut Sizes Available with Tight Tolerances

Grades

  • 1050 / 1100 Aluminium Plate
  • 5052 / 5083 Aluminium Plate
  • 6061 / 6082 Aluminium Plate
  • 2024 / 7075 Aluminium Plate

Specification

PropertyDetails
ProductAluminium Plate
Grades Available1050, 1100, 5052, 5083, 6061, 6082, 2024, 7075
Thickness Range6 mm to 300 mm
Width RangeUp to 2500 mm
Length RangeUp to 6000 mm (custom sizes available)
TempersO, H32, H116, T6, T651, T7451
Surface FinishesMill Finish, Brushed, Anodized, Polished
Manufacturing StandardsASTM B209, AMS 4027/QQ-A-250, EN 485-2, ISO 6361
CertificationEN 10204 3.1/3.2, RoHS, NORSOK, ISO, ASTM, DNV/ABS (marine)

Chemical Composition

ElementComposition (%)
Aluminium (Al)Balance
Magnesium (Mg)4.0 – 4.9
Manganese (Mn)0.4 – 1.0
Iron (Fe)≤ 0.40
Silicon (Si)≤ 0.40
Chromium (Cr)0.05 – 0.25
Copper (Cu)≤ 0.10

Mechanical Properties

PropertyValue
Tensile Strength≥ 310 MPa
Yield Strength≥ 230 MPa
Elongation≥ 12%
Hardness~80 HB
Density~2.66 g/cm³

Equivalent Grades

StandardEquivalent Grade
ASTM5083, 6061
ENAW-5083, AW-6061
UNSA95083, A96061
ISOAlMg4.5Mn0.7

Weight

Thickness (mm) Weight per m² (kg) Weight per 2 m² (kg) Weight per ft² (kg)
6.016.2632.521.51
8.021.6843.362.01
10.027.1054.202.52
12.032.5265.043.02
16.043.3686.724.03
20.054.20108.405.03
25.067.75135.506.29
30.081.30162.607.55
40.0108.40216.8010.07
50.0135.50271.0012.58

Applications

✅ Marine & Offshore: Hull plating, deck plates, ship superstructures

✅ Aerospace & Defense: Aircraft flooring, bulkheads, armor plating

✅ Automotive & Rail: Chassis frames, fuel tanks, suspension brackets

✅ Construction: Heavy-duty flooring, scaffoldings, architectural beams

✅ Tooling & Molds: Base plates, jigs, CNC beds, high-precision dies

✅ Power & Industrial Plants: Transformer bases, cooling panels

Benefits

🌟 High Strength with Reduced Weight = Fuel & Cost Savings

🌟 Excellent Resistance to Saltwater, Humidity, and Chemical Exposure

🌟 Machinable to Tight Tolerances for Precision Engineering

🌟 Compatible with MIG/TIG Welding and Mechanical Fastening

🌟 Low Maintenance + Long Service Life

🌟 Certified for Structural, Marine, and Aerospace Applications

Frequently Asked Questions

Explore our FAQs for insights on materials, customization, and delivery.
What is the difference between aluminium sheet and plate?
Sheets are typically ≤6 mm in thickness and used for lightweight applications, while plates are ≥6 mm and designed for structural load-bearing roles.
Which aluminium grade is best for marine-grade plates?
Aluminium 5083 H116 is the industry-standard marine-grade plate offering excellent saltwater corrosion resistance and structural strength.
Can aluminium plates be machined and welded?
Yes. Alloys like 6061 and 5083 are excellent for welding, drilling, and CNC machining.
Are aluminium plates suitable for anodizing or coating?
Yes. Plates can be anodized, powder coated, or PVDF-coated based on surface protection or decorative requirements.

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