Aluminium 1100 Sheets

Aluminium, with its remarkable combination of properties including lightweight, corrosion resistance, and ease of fabrication, has long been a material of choice in various industries. Among the many aluminium alloys available, Aluminium 1100 stands out for its versatility and wide-ranging applications. In this comprehensive guide, we will delve into the material specifications, types, and applications of Aluminium 1100 sheets.

Material Specification

Aluminium 1100 is a commercially pure aluminium alloy renowned for its exceptional purity and versatility. Composed primarily of aluminium, it typically contains trace amounts of silicon, iron, copper, manganese, and zinc, ensuring a high level of conductivity and corrosion resistance.

With a chemical composition of approximately 99% aluminium, Aluminium 1100 exhibits excellent formability, making it easy to shape, bend, and fabricate without compromising its structural integrity. Its mechanical properties, including moderate tensile strength and elongation, coupled with its lightweight nature, render it suitable for a wide range of applications across various industries.

Chemical Composition


Composition Range


Aluminium (Al)


Silicon (Si)

0.95% max

Iron (Fe)

0.05% max

Copper (Cu)

0.05% max

Manganese (Mn)

0.05% max

Zinc (Zn)

0.10% max


0.05% each, 0.15% total max

Mechanical Properties




Tensile Strength

13-24 ksi (90-165 MPa)

Yield Strength

5-12 ksi (35-85 MPa)



Hardness (Brinell)

32 HB

Primary Types

Aluminium 1100 sheets come in various forms to cater to a wide range of applications across industries. Each type of sheet offers unique properties and advantages, making it suitable for specific requirements. Here are some of the common types:

1. Plain Aluminium Sheets: 

These sheets are the most common form of Aluminium 1100 available in the market. They come in various thicknesses and sizes, catering to a wide range of applications.

2. Clad Aluminium Sheets:

Cladding refers to a process where a layer of Aluminium 1100 is bonded to another material, such as steel or stainless steel, to leverage the properties of both materials. Clad aluminium sheets are used in industries where corrosion resistance and lightweight properties are desired, such as the aerospace and automotive sectors.

3. Anodized Aluminium Sheets:

Anodizing is a surface treatment process that enhances the corrosion resistance and aesthetics of aluminium. Anodized Aluminium 1100 sheets are commonly used in architectural applications, signage, and consumer electronics, where durability and appearance are essential.

4. Painted Aluminium Sheets:

Aluminium 1100 sheets can be coated with various types of paint or powder coatings to provide additional protection against corrosion and improve aesthetics. Painted aluminium sheets find applications in construction, transportation, and industrial sectors.

Key Dimensions

The key dimensions of Aluminium 1100 sheets can vary depending on the manufacturer, supplier, and specific requirements of the application. However, typical dimensions for Aluminium 1100 sheets include:

Thickness: Aluminium 1100 sheets are available in a wide range of thicknesses, ranging from ultra-thin foils measuring a few micrometres (µm) to thicker sheets measuring several millimetres (mm). Common thicknesses include 0.2 mm (200 µm) to 6 mm.

Width: The width of Aluminium 1100 sheets can vary from narrow strips to wide sheets, depending on the intended application. Standard widths range from 100 mm to 1500 mm or more.

Length: Aluminium 1100 sheets are typically supplied in standard lengths, although custom lengths can be accommodated based on customer requirements. Common lengths range from 1000 mm to 4000 mm.

Equivalent Grades

Aluminium 1100 is often compared or referenced alongside similar aluminium alloys with comparable properties, such as Aluminium 1050 and Aluminium 1060. These alloys share similar characteristics in terms of purity, formability, and corrosion resistance. Additionally, Aluminium 1100 may sometimes be substituted with other aluminium alloys depending on specific application requirements, such as Aluminium 3003 or Aluminium 5052, which offer higher strength or other enhanced properties.

Industry Applications

Aluminium 1100 sheets find widespread application across a multitude of industries, thanks to their exceptional combination of properties and versatility. From architectural projects to automotive components, they play a vital role in various applications where lightweight, corrosion resistance and formability are paramount.

1. Architecture & Construction:

Aluminium 1100 sheets are widely used in the construction industry for roofing, siding, and architectural elements due to their lightweight nature, corrosion resistance, and ease of fabrication. Additionally, anodized or painted Aluminium 1100 sheets are favoured for decorative purposes, such as wall cladding and window frames.

2. Packaging:

The excellent formability of Aluminium 1100 makes it an ideal choice for packaging applications. It is commonly used in the production of foil, cans, containers, and flexible packaging materials for food, pharmaceuticals, and beverages.

3. Electrical & Electronics:

High electrical conductivity makes the sheets suitable for electrical wiring, conductors, and heat sinks in various electronic devices and appliances. Its lightweight properties also contribute to energy efficiency in transportation and consumer electronics.

4. Heat Exchangers:

Aluminium 1100 sheets are utilized in the manufacturing of heat exchangers and radiators due to their thermal conductivity and corrosion resistance. These components are crucial in HVAC systems, automotive cooling systems, and industrial processes.

5. Reflectors & Lighting:

The high reflectivity of Aluminium 1100 makes it an excellent choice for reflectors in lighting fixtures, solar panels, and architectural applications. Reflective aluminium sheets help enhance lighting efficiency and reduce energy consumption.

6. Chemical and Marine Applications: 

Aluminium 1100 sheets’ corrosion resistance makes it suitable for use in chemical processing equipment, marine components, and offshore structures. It withstands exposure to saltwater and harsh chemicals, making it an ideal material for these demanding environments.

7. Automotive Components:

While the sheets may not offer the highest strength compared to other alloys, their lightweight properties make them desirable for automotive applications where weight reduction is critical. It is used in body panels, trim pieces, and heat shields to improve fuel efficiency and performance.

8. HVAC & Refrigeration:

The sheets are commonly employed in the HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries for ductwork, evaporator coils, and heat exchangers. Its thermal conductivity and corrosion resistance ensure efficient heat transfer and long-term reliability.

Get High-quality Aluminium 1100 Sheets with Pratham Traders 

With 10,000+ projects completed, Pratham Traders is one of the leading stockists of aluminium products. Our mission is to provide our customers with high-quality products that are durable, versatile, and cost-effective.

Our range of products includes aluminium sheets, checkered plates, stucco sheets, perforated sheets, and rolled plates. We maintain a vast inventory in a variety of sizes, shapes, and alloys, ensuring that our customers have access to the products they want in accordance with their business assignments.