Aluminium Alloy 5083 Strips/Coils/Sheets/Plates/Bars/Pipes/Tubes/Extrusions

5083 aluminium alloy is an aluminium–magnesium alloy with magnesium and traces of manganese and chromium. It is highly resistant to attack by seawater and industrial chemicals.

Alloy 5083 retains exceptional strength after welding. It has the highest strength of the non-heat treatable alloys with an Ultimate Tensile Strength of 317 MPa or 46000 psi and a Tensile Yield Strength of 228 MPa or 33000 psi. It is not recommended for use in temperatures in excess of 65 °C.[2] Alloy 5083 is also commonly used in cryogenic applications due to it being able to be cooled to −195 °C. At this temperature, the alloy has an increase in ultimate tensile strength of 40% and in yield strength of 10% as well as exhibiting excellent fracture toughness at such temperatures.

Europe

USA

Spain

France

Germany

G.B.

Italy

Sweden

Switzerland

Japan

E.N. 573

A.A.

U.N.E.

AFNOR

D.I.N.

B.S.

U.N.I.

S.I.S.

V.S.M.

J.I.S.

EN AW 5083

5083

38.340
L-3321

A-G4.5MC

ALMg4.5Mn
3.3547

N8

7790
9005/5

4140

ALMg4.5 Mn

A5083

Chenmicial Composition

Aluminium: balance (92.55-95.55%)

Chromium: 0.05-0.25% max

Copper: 0.1% max

Iron: 0.4% max

Magnesium: 4.0 to 4.9%

Manganese: 0.4 to 1.0%

Silicon: 0.4% max

Titanium: 0.15% max

Zinc: 0.25% max

Physical Properties

Properties

Metric

Imperial

Density

2.71 g/cm3

0.0979 lb/in³

Chenmicial Composition

Standard: EN 755-2 Alloy: EN AW-5083A [Al 99,5]

Treatment state

Nominal thickness mm

Rm MPa

Rp0,2 MPa

Min. elongation %

Bending radius

  Hardness HBS 1)

Greater than

up to

min.

max.

min.

max.

A50mm

A

180º

90º

F 1)

³2,5

150,0

275

O/H111

0,2

0,5

275

350

125

11

1,0 t

0,5 t

75

0,5

1,5

275

350

125

12

1,0 t

1,0 t

75

1,5

3,0

275

350

125

13

1,5 t

1,0 t

75

3,0

6,0

275

350

125

15

1,5 t

75

6,0

12,5

275

350

125

16

2,5 t

75

12,5

50,0

275

350

125

15

75

50,0

80,0

270

345

115

14

73

80,0

120,0

265

110

12

70

120,0

150,0

255

105

12

69

H112

³6,0
12,5

12,5

275

125

12

75

40,0

275

125

10

75

40,0

80,0

270

115

10

73

H116 2)

³1,5

3,0

305

215

8

3,0 t

2,0 t

89

3,0

6,0

305

215

10

2,5 t

89

6,0

12,5

305

215

12

4,0 t

89

12,5

40,0

305

215

10

89

40,0

80,0

285

200

10

83

H22/H32

0,2

0,5

305

380

215

5

2,0 t

0,5 t

89

0,5

1,5

305

380

215

6

2,0 t

1,5 t

89

1,5

3,0

305

380

215

7

3,0 t

2,0 t

89

3,0

6,0

305

380

215

8

2,5 t

89

6,0

12,5

305

380

215

10

3,5 t

89

12,5

25,0

305

380

215

9

89

Standard: EN 755-2 Alloy: EN AW-5083 [Al Cu4SiMg]

Extruded Bar

Treatment state

Measurements mm

Rm MPa

Rp0,2 MPa

A %

A50 mm %

D1)

S2)

min.

max.

min.

max.

min

min.

F4)

< 200

200

270

–

110

–

12

10

200 < D < 250

200 < S < 250

260

–

100

–

12

–

O, H111

≤ 200

≤ 200

270

–

110

–

12

10

H112

≤ 200

≤ 200

270

–

125

–

12

10

Extruded Tube

Treatment state

Measurements mm e3)

Rm MPa

Rp0,2 MPa

A %

A50 mm %

min.

max.

min.

max.

min

min.

F4)

All

270

–

110

–

12

10

O, H111

All

270

–

110

–

12

10

H112

All

270

–

125

–

12

10

Extruded Profile

Treatment state

Measurements mm e3)

Rm MPa

Rp0,2 MPa

A %

A50 mm %

min.

max.

min.

max.

min

min.

F4)

All

270

–

110

–

12

10

H112

All

270

–

125

–

12

10

Physical Properties

Modulus of elasticity N/mm2

Specific weight g/cm3

Melting temperature ºC

Linear expansion coefficient 1/106K

Thermal conductivity W/mK

Electrical resistivity at 20ºC - Ω cm

Electrical conductivity% IACS

Dissolution potential V

71

2,66

580-640

23,9

117

6,0

28,5

0,86

Technological Suitabilities

Welding

Natural behaviour

Anodized

Mechanization State: T3 T3 T4 T6 T8

Under flame    MB

In a rural environment     MB

For protection    MB

Chip fragmentation   R   R

At the arc under argon gas     MB

In an industrial environment    MB

Decorative     R

Surface gloss   MB   MB

Owing to electrical resistance      MB

In a marine environment     MB

Hard anodized      MB

Brazed      M

In sea water      MB

Thermal treatments

Products

Observations and applications

Forging temperature interval: 350º-480ºC.

Total annealing: from 30 minutes to 2 hours between 345ºC – 380ºC.

Annealing against acridity: 240ºC

Bars, sheets, plates, tubes, profiles.

Alloy with high resistance to corrosion and good weldability which is why it is used in shipbuilding, the automobile industry and all kinds of boiler-making. It is also used owing to its ease of machining for tools in the aeronautical sector, the construction of machinery for the textile industry, containers, packaging etc. Used to manufactur

The versatility of 5083 aluminium sees its use across multiple industry sectors, especially in seawater and industrial chemical environments:

Marine Industry: Hulls, decks, and superstructures of ships and offshore platforms.
Aerospace: Fuel tanks and structural components.
Automotive: Vehicle bodies.
Transportation: Lightweight panels and containers that require both corrosion resistance and strength.
Defence: Armoured vehicles for strength and resistance to projectiles.
Chemical Storage: Tanks and vessels for storing mildly corrosive chemicals.
Its combination of light weight, strength, and corrosion resistance makes it indispensable in these industry sectors.

Performance in Extreme Environments

5083 aluminium performs reliably in environments subject to:

Cryogenic temperatures, where it resists corrosion and maintains structural integrity.
High humidity or moisture, where the protective oxide layer prevents significant degradation.