ThePipingMart Blog Grades Aluminium Alloy 2095 – Composition, Properties and Uses

Aluminium Alloy 2095 – Composition, Properties and Uses

Aluminium 2095

Aluminium 2095 is a precipitation-hardenable alloy composed primarily of aluminium, copper, manganese and magnesium. This alloy has a high strength-to-weight ratio, making it an ideal choice for aircraft components and other structures that must be light yet strong. In this blog post, we’ll explore the composition, chemical properties, mechanical properties, physical properties, uses, corrosion resistance, heat resistance and machining of Aluminium 2095.

Composition

AL 2095 is composed mostly of aluminium (90% by weight) along with copper (3%), manganese (1%), and magnesium (1%). It also contains trace amounts of iron and silicon.

Component Elements Properties Metric English
Aluminum, Al 91.3 – 94.9 % 91.3 – 94.9 %
Copper, Cu 3.9 – 4.6 % 3.9 – 4.6 %
Iron, Fe <= 0.15 % <= 0.15 %
Lithium, Li 0.70 – 1.5 % 0.70 – 1.5 %
Magnesium, Mg 0.25 – 0.80 % 0.25 – 0.80 %
Manganese, Mn <= 0.25 % <= 0.25 %
Other, each <= 0.05 % <= 0.05 %
Other, total <= 0.15 % <= 0.15 %
Silicon, Si <= 0.12 % <= 0.12 %
Silver, Ag 0.25 – 0.60 % 0.25 – 0.60 %
Titanium, Ti <= 0.10 % <= 0.10 %
Zinc, Zn <= 0.25 % <= 0.25 %
Zirconium, Zr 0.04 – 0.18 % 0.04 – 0.18 %

Mechanical Properties

The mechanical properties of alloy 2095 include a tensile strength of up to 485 MPa (70 ksi) and a yield strength of up to 370 MPa (53 ksi). It is also highly resistant to fatigue cracking and has excellent formability.

Physical Properties

grade 2095 has a density of 2.78 g/cm3 (0.101 lb/in3). Its melting point is 645–660 °C (1193–1220 °F), and its electrical conductivity ranges from 66–80% IACS depending on thickness.

Physical Properties Metric English Comments
Density 2.70 g/cc 0.0975 lb/in³ AA; Typical

Uses

Due to its strength-to-weight ratio, Aluminium 2095 is often used in aircraft components such as wings, fuselages and struts and automotive components such as wheels and frames. It can also be used for electrical applications due to its high electrical conductivity.

Corrosion Resistance

This alloy offers excellent corrosion resistance in most environments thanks to its higher chromium content than other aluminium alloys. It can withstand saltwater exposure without suffering significant damage or degradation over time.

Heat Resistance

Aluminium 2095 has a relatively low thermal conductivity, allowing it to withstand higher temperatures than other metals without warping or stress cracking. Its melting point ranges from 645–660 °C (1193–1220 °F).

Heat Treatment

This alloy can be heat treated at 538°C (1000°F) for three hours, followed by rapid cooling or air cooling depending on the desired outcome of the treatment process.

Machining

As far as machining goes, this alloy is easy to machine using conventional cutting tools; however, it will respond best when machined slowly with sharp tools at lower speeds using plenty of coolant or lubricant during the process.

Welding

Additionally, this alloy can be welded using either MIG or TIG welding techniques but should always be done with caution due to its susceptibility to cracking if not done properly.

Conclusion

These are just some highlights regarding the composition, chemical properties, mechanical properties, physical properties, uses corrosion resistance, heat resistance, heat treatment & machining of Aluminium 2095 – one of the strongest yet lightest metals available today! This may be your ideal choice if you need a metal that offers superior strength while remaining lightweight enough for aircraft parts or automotive components! Be sure to consult with experts before embarking on any project involving this metal to get the best result possible!

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