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Aluminum and aluminum alloy sheets and plates are flat-rolled products available in various thicknesses and sizes, distinguished by their aluminum content and the addition of other elements to enhance specific properties.
Aluminum Sheets & Plates: Composition and Properties
Aluminum Sheets: Typically have a thickness ranging from 0.006 inches (0.15 mm) up to 0.249 inches (6.3 mm).
Aluminum Plates: Generally thicker than 0.250 inches (6.35 mm).
Pure Aluminum (1xxx series): These sheets and plates are made of 99% or more aluminum. They are known for:
Excellent corrosion resistance
High thermal and electrical conductivity
Good workability
Low strength
Aluminum Alloys (2xxx-8xxx series): Aluminum is often alloyed with other elements like copper, manganese, silicon, magnesium, zinc, and lithium to improve its strength, hardness, and other properties. Each series has a primary alloying
Common Aluminum and Aluminum Alloy Grades for Sheets & Plates
1100: Excellent corrosion resistance, high ductility, and good thermal conductivity. Often used for chemical equipment and decorative trim.
3003: Good strength (stronger than 1100), excellent corrosion resistance, and good workability. Used in roofing, siding, and cooking utensils.
5052: High fatigue strength, excellent corrosion resistance, especially in marine environments. Used in boat hulls and storage tanks.
5083: Highest strength among non-heat-treatable alloys, excellent performance in extreme environments, including cryogenic applications and shipbuilding.
6061: Versatile alloy with good mechanical properties, weldability, and corrosion resistance. Used in structural components, automotive parts, and recreational equipment.
6063: Good surface finish, corrosion resistance, and weldability. Commonly used for architectural extrusions like window and door frames.
7075: Very high strength, excellent strength-to-weight ratio. Used in aerospace and other high-stress applications.
Applications of Aluminum Sheets & Plates
Aluminum sheets and plates are used across a wide range of industries due to their versatile properties:
Construction: Roofing, wall cladding, facades, insulation, doors, and window frames.
Transportation: Automotive body panels, aircraft fuselages and wings, ship hulls, and rail cars, contributing to fuel efficiency due to their lightweight nature.
Packaging: Food and beverage cans, containers, and foils due to their non-toxic and corrosion-resistant properties.
Electronics: Heat sinks for thermal management due to their excellent thermal conductivity.
Industrial: Storage tanks, machinery parts, and containers due to their durability and corrosion resistance.
Consumer Goods: Appliances, cookware, and furniture due to their aesthetic appeal and lightweight.
Signage and Nameplates: Due to their corrosion resistance and ease of fabrication.
