Aluminum Alloy 5083 Introduction

Aluminum Alloy 5083
Types: Aluminum 5083-H321, UNS A95083, ISO AlMg4.5Mn, Aluminum 5083-H116, AA5083-H116

Aluminum 5083 is a highly versatile non-heat-treatable alloy known for its exceptional strength and corrosion resistance. It performs exceptionally well in harsh environments such as marine and industrial settings. While it offers the highest strength among non-heat-treatable aluminum alloys, it is not recommended for use above 65°C due to potential loss of mechanical properties at higher temperatures.

This alloy is also praised for its excellent weldability, which allows it to maintain its structural integrity after welding. It combines good ductility with strong formability, making it suitable for a wide range of applications, including cryogenic services where low-temperature performance is critical.

Chemical Composition of Aluminum 5083:

Grades

Si

Fe

Cu

Mn

Cr

Mg

Ti

Zn

Others Total

5083

0.40 max

0.40 max

0.10 max

0.40 / 1.0

0.05 / 0.25

4.0 / 4.90

0.15 max

0.25 max

0.15 max

Typical Mechanical Properties:

Material

Temper

Tensile Strength (ksi) min

Yield Strength (ksi) min

Elongation % in 2"

5083 Extruded Bar
(<5" diameter)

0

39

16

14

5083 Extruded Bar
(<5" diameter)

H111

40

24

12

5083 Extruded Bar
(<5" diameter)

H112

39

16

12

Aluminum 5083 is widely used in shipbuilding, transportation, and construction due to its durability and resistance to environmental stressors. Its combination of high strength, good workability, and excellent corrosion resistance makes it a popular choice for engineers and designers looking for reliable materials in demanding conditions.

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