Aluminum Alloy 2219 Data Sheet

ALUMINUM ALLOY 2219 GENERAL DESCRIPTION :

What is Alloy 2219?

2219 aluminum alloy offers high strength and good machinability. It’s ideal for high-temperature applications and stress corrosion resistance, often used in supersonic aircraft components. However, it has lower corrosion resistance and is harder to weld than other aluminum alloys.

Main Alloy Chemistry Typical

Element

Si

Fe

Cu

Mn

Mg

Zn

Ti

Cr

Others (Each)

Others (Total)

Al

Maximum Content

0.20

0.30

6.0 - 6.9

0.2 - 0.4

0.02 - 0.1

0.10

0.02 - 0.1

0.02 - 0.1

0.05

0.15

Remainder

TYPICAL MECHANICAL DATA for 2219 ALUMINUM

Physical Performance Indicators

Tensile Strength (MPa)

Yield Strength (Mpa)

Elongation (%)

2219 - O

≤ 220

≤ 110

12

2219 - T351

≥ 270

≥ 170

9 - 14

2219 - T851

≥ 400

≥ 290

4 - 8

*LIMITATIONS OF LIABILITY AND DISCLAIMER: HDM shall not be liable for any damages arising from the use of the information contained in this document, or for the applicability of this document to the described “application”. The provided information and data are believed to be accurate to the best of our knowledge, but all data should be considered as typical values only. They are for reference and general information purposes, and are not recommended for specification, design, or engineering purposes. HDM does not provide any warranty, implied or expressed, regarding the creation or accuracy of the data provided in this document.

Product Capacities of Alloy 2219

Typical Uses

2219 aluminum alloy is commonly used as the aircraft aluminum sheet in the aerospace industry for manufacturing components that require high strength and excellent thermal stability, such as cryogenic fuel tanks for launch vehicles.

This alloy is favored for its superior weldability, resistance to stress corrosion cracking, and good mechanical properties over a wide temperature range. Its ability to maintain structural integrity at high and low temperatures makes it an ideal material for spacecraft.

FAQs

What is the Difference Between 6061 and 2219 Aluminum?

In contrast, aluminum 2219 offers higher strength and good fracture toughness, particularly at elevated temperatures. However, 2219 has lower corrosion resistance and is more challenging to weld compared to 6061.

What are the Properties and Applications of the 2219-T851 Aluminum Plate?

2219-T851 aluminum plate is a high-strength alloy that combines excellent machinability with good mechanical properties. It is particularly useful in aerospace applications due to its ability to maintain strength and toughness over a wide temperature range. Typical applications include high-temperature structural components, space booster tanks, and other aerospace structures.
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