What Is The Difference Between 1100 And 1050 Aluminum?

The Difference Between 1100 And 1050 Aluminum
By HDM Team
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In the 1000 series aluminum alloys, both 1100 and 1050 are popular choices. However, their comparable attributes often lead to a dilemma in selecting the right material for your specific project.
HDM wants to provide you with clear insights, enabling you to distinguish between these two alloys. Take a few minutes for this blog, you can make an informed decision about which aluminum alloy is the most suitable for your project needs.

1100 Aluminum Overview

1100 Aluminum Sheet
Aluminum 1100 stands out for its strong corrosion resistance and high electrical conductivity. It is non-heat-treatable and soft, yet maintains strength at low temperatures, lending itself well to applications in heat exchangers, electrical applications, and food containers.
1100’s superb machinability and formability, combined with its high electrical conductivity, render it ideal for various applications in transportation, chemical equipment manufacturing, architecture, and other commercial and industrial sectors.

1050 Aluminum Overview

Aluminum 1050 is highly valued for its highly corrosion-resistant and ductile. This alloy is popular in applications requiring moderate strength and excellent formability, such as in chemical process plant equipment, food industry containers, and architectural flashings.
1050’s reflective finish and good fatigue strength make it suitable for products that require frequent bending. While 1050 aluminum is not known for its machinability, it excels in welding and cold working, making it a versatile choice for a wide range of industrial applications.

Comparison 1100 Aluminum and 1050 Aluminum

Both 1100 and 1050 aluminum alloys are good for their excellent corrosion resistance, ductility, and reflectivity, but they also have clear differences.

Property Difference

1100 Aluminum Alloy

1050 Aluminum Alloy

Higher strength-to-weight ratio

Slightly higher aluminum content

Greater tensile strength

Superior thermal conductivity

Increased yield strength

Enhanced electrical conductivity

Enhanced fatigue and shear strength

Greater elongation at break

Application Difference

1100 Aluminum Alloy Applications

1050 Aluminum Alloy Applications

Chemical processing equipment

Electrical conductors and heat sinks

Food industry containers

Aerospace industry components

Architectural components

Automotive industry components

Cookware

Medical industry components

Roofing and guttering

Commonly used for rivets and brackets

1100 Aluminum Sheet vs 1050 Aluminum Sheet

Common Temper

O

H

H112, H14, H18

H14, H18

1100 aluminum sheet’s and 1050 aluminum sheet’s properties are very similar, the primary distinction lies in their usage: 1100 aluminum sheet is preferred for its strength in chemical and architectural applications, while 1050 aluminum sheet is chosen for its conductivity in electrical applications.

Conclusion

In conclusion, if your project demands a higher strength-to-weight ratio and better strength, then 1100 aluminum is the preferred option. Conversely, if higher aluminum content, better thermal and electrical conductivity, and greater elongation are paramount, then 1050 aluminum is the ideal choice.

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