Aluminum alloys are an essential material in the manufacturing industry, with useful properties like strength, durability, lightness, and corrosion resistance. One such popular aluminium alloy is the 6061 aluminum plate, a heat-treatable material with a high strength-to-weight ratio. This alloy has a wide range of industrial applications that require high strength and good workability, making it invaluable in aerospace, marine, construction, automotive, and other industries. This blog post comprehensively guides the 6061 aluminium plate, including its properties, applications, forms, and fabrication.

What is the 6061 Aluminum Plate?

6061 Aluminium Plate is a popular alloy with excellent weldability, strength and corrosion resistance. This heat-treatable plate material is known for its ability to offer long-lasting performance in extreme environments. Its low density makes it an ideal choice when weight is an issue. The chemical composition of the alloy makes it suitable for machining and forming operations such as bending, deep drawing, welding and punching. When working with this metal alloy, it’s important to note that various grades are available depending on your application requirements – from T4 to T6 tempering with varying thicknesses from .125″ to 4″.

Properties of 6061 Aluminum Plate

High Strength-to-Weight Ratio

6061 aluminium plate has a tensile strength of 45 ksi and a yield strength of 40 ksi, making it stronger than many carbon steels.

Good Formability

This alloy has good workability and machinability, making it easy to form, bend, weld, and machine.

Corrosion Resistance

6061 aluminum plate has excellent corrosion resistance, making it ideal for use in harsh environments, such as marine or chemical applications.


This alloy is heat-treatable, which improves its strength and hardness.

Applications of 6061 Aluminium Plate

Due to its unique properties, the 6061 aluminum plate has many industrial applications that require high strength, good workability, and corrosion resistance. Some of these applications include:


Due to its high strength-to-weight ratio, the 6061 aluminium plate is used in the aircraft industry for structural parts, such as wing and fuselage skins, spars, ribs, and bulkheads.


Due to its corrosion-resistant properties, this alloy is used in marine applications, such as boat hulls, decks, and other structural components.


6061 aluminum plate is used in the automotive industry for suspension parts, engine mounts, and transmission supports due to its high strength and lightness.


Due to its strength and durability, this alloy is used in construction for roofing, siding, and structural components.

Fabrication of 6061 Aluminum Plate


This is the process of removing material from the plate using rotating cutting tools, such as drills, saws, or lathes.


This alloy can be welded using various methods, such as MIG, TIG, or arc welding.


This process shapes the aluminum plate into the desired form using bending, stretching, or rolling.

Heat Treatment

This process involves heating the 6061 aluminium plate to a specific temperature and quenching it to improve its strength and hardness.


6061 aluminum plate is a versatile material with excellent properties that make it ideal for various industrial applications. Its high strength, good workability, and corrosion resistance make it a popular choice in aerospace, marine, automotive, construction, and other industries. This alloy is available in various forms, including sheet, plate, extrusion, and bar, making it suitable for different applications. With its ease of fabrication, 6061 aluminium is prime material for manufacturing products that require strength and durability, and this guide will help you better understand the properties, applications, forms, and fabrication of the 6061 aluminum plate.

Written by
Jagdish Metal

A Complete Guide to 6061 Aluminium Plate

by Jagdish Metal time to read: 2 min