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-0,14 %
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EN AW-2024 (AlCu4Mg1) rolled aluminium plate
Rolled aluminium plates

EN AW-2024 (AlCu4Mg1) rolled aluminium plate

A high-strength, readily machinable alloy grade. Its primary alloying element is copper (Cu), which gives it exceptional strength but also limits its corrosion resistance and weldability.

  • Very good machinability
  • Higher than medium strength
  • Excellent formability
Field of use
  • Machine superstructures
  • High-strength structures
  • Defence industry
  • Aerospace industry
Alloy grade
EN AW-2024 (AlCu4Mg1)
Tempers
T3 / T351
Thicknesses
Available sizes are listed on the product datasheets.
Formats
Plate
Kifejezetten hengerelt

EN AW-2024 – chemical composition1

(EN 573-3)

Specifications (%)

Remainder: Aluminium

 Others
Si Fe Cu Mn Mg Cr Ni Zn Ti Ga V Notes Each Total2
0,50 0,50 3,80 - 4,90 0,30 - 0,90 1,20 - 1,80 0,10 0,25 - 0,15 - - - 0,05 0,15
1 Chemical specifications are in mass %. Where no range is given, the alloying content is the maximum value.
2 Includes all elements for which no separate limit is specified.

EN AW-2024 – mechanical properties (T4 / T3 / T351)

DIN EN 485-2:2009-01
EN 485-2:2008

Temper Nominal thickness
t [mm]		 Tensile strength
Rm min. [MPa]		 Proof strength
Rp0,2 min. [MPa]		 Elongation
A50 min. [%]		 Bend factor 90°
rmin [·t]		 Hardness
HBW
T4 ≥ 0,4 – 1,5 425 275 12 4,0 · t 120
1,5 – 6,0 425 275 14 5,0 · t 120
T3 ≥ 0,4 – 1,5 435 290 12 4,0 · tb 123
1,5 – 3,0 435 290 14 4,0 · tb 123
3,0 – 6,0 440 290 14 5,0 · tb 124
6,0 – 12,5 440 290 13 8,0 · tb 124
12,5 – 40,0 430 290 11 — 122
40,0 – 80,0 420 290 8 — 120
80,0 – 100,0 400 285 7 — 115
100,0 – 120,0 380 270 5 — 110
120,0 – 150,0 360 250 5 — 104
T351 ≥ 0,4 – 1,5 435 290 12 4,0 · tb 123
1,5 – 3,0 435 290 14 4,0 · tb 123
3,0 – 6,0 440 290 14 5,0 · tb 124
6,0 – 12,5 440 290 13 8,0 · tb 124
12,5 – 40,0 430 290 11 — 122
40,0 – 80,0 420 290 8 — 120
80,0 – 100,0 400 285 7 — 115
100,0 – 120,0 380 270 5 — 110
120,0 – 150,0 360 250 5 — 104

Notes:
• The bend-factor column always shows the value given by the standard for 180° or 90° bending – where neither is given, “—” is shown.
• b: substantially smaller bend radii can be achieved after solution heat treatment.
• In the DIN EN 485-2 table, for alloy EN AW-2024 Temper T451 is not listed, therefore it is not shown in the summary above either.

EN AW – Al Cu4 Mg1 – general alloy grade information

The values and data below are indicative – they help to give a general picture of the material.

Alloy designations

EN AWAl Cu4 Mg1
Old designationAl Cu Mg2
Material number (DIN)3.1355
United Kingdom (BS)L97
Italy (UNI)9002/4
SpainL-3140
Sweden-
Norway-
France (AFNOR)A-U4G1
Colour code RAL 2004   Pure Orange

Typical physical properties

Density [g/cm3]2,77
Modulus of elasticity [GPa]73,0
Thermal conductivity [W/m*K]130 – 150
Thermal expansion coefficient [K-1*10-6] -50°C – 20°C   |   21,1
20°C – 100°C   |   22,9
20°C – 200°C   |   23,8
20°C – 300°C   |   24,7
Specific heat [J/(kg*K)]875
Electrical conductivity [m/Ω*mm2]18 – 21
Shear modulus [GPa]27,4

Heat treatment

Annealing / recrystallisation annealing
Annealing temperature380°C – 420°C
Heat-up time2 – 3 hours
Cooling conditions30°C/hour to 250°C, air below 250°C
Hardening
Solution heat treatment495°C – 505°C
Quenchingwater
Natural ageing5 – 8 days
Artificial ageing180°C – 195°C · approx. 16 – 24 hours
Machinability
Annealed3
Work-hardened-
Heat-treated2
Dimensional stability4
EDM1
Surface treatment
Anodising – (protective)2
Special anodising quality (EQ)-
Anodising – decorative5
Painting / coating3
Polishing1
Solderability
Brazing with flux5
Brazing without flux5
Abrasion soldering3
Soft soldering with flux5
Corrosion resistance
Normal atmosphere4 – 5
Marine environment4 – 5
Formability
Bending4O
Compression forming3O
Deep drawing3O
Upsetting4O
Impact extrusion4O
Food-contact use (DIN EN 602) no

Legend

1very good
2good
3medium
4poor
5not suitable
EQ Anodising quality must be ordered separately and confirmed in writing

Thickness tolerances for rolled plates

EN 485-3:2003

Nominal thickness
t [mm] 		Thickness tolerances by nominal plate width
[mm]
≤ 1 250 > 1 250 – 1 600 > 1 600 – 2 000 > 2 000 – 2 500 > 2 500 – 3 500
≥ 2,5 – 4 ± 0,28 ± 0,28 ± 0,32 ± 0,35 ± 0,40
4 – 5 ± 0,30 ± 0,30 ± 0,35 ± 0,40 ± 0,45
5 – 6 ± 0,32 ± 0,32 ± 0,40 ± 0,45 ± 0,50
6 – 8 ± 0,35 ± 0,40 ± 0,40 ± 0,50 ± 0,55
8 – 10 ± 0,45 ± 0,50 ± 0,50 ± 0,55 ± 0,60
10 – 15 ± 0,50 ± 0,60 ± 0,65 ± 0,65 ± 0,80
15 – 20 ± 0,60 ± 0,70 ± 0,75 ± 0,80 ± 0,90
20 – 30 ± 0,65 ± 0,75 ± 0,85 ± 0,90 ± 1,0
30 – 40 ± 0,75 ± 0,85 ± 1,0 ± 1,1 ± 1,2
40 – 50 ± 0,90 ± 1,0 ± 1,1 ± 1,2 ± 1,5
50 – 60 ± 1,1 ± 1,2 ± 1,4 ± 1,5 ± 1,7
60 – 80 ± 1,4 ± 1,5 ± 1,7 ± 1,9 ± 2,0
80 – 100 ± 1,7 ± 1,8 ± 1,9 ± 2,1 ± 2,2
100 – 150 ± 2,1 ± 2,2 ± 2,5 ± 2,6 —
150 – 220 ± 2,5 ± 2,6 ± 2,9 ± 3,0 —
220 – 350 ± 2,8 ± 2,9 ± 3,2 ± 3,3 —
350 – 400 ± 3,5 ± 3,7 ± 3,9 ± 4,2 —

Thickness tolerances for rolled plates

EN 485-3:2003

Nominal thickness
t [mm] 		Thickness tolerances by nominal plate width
[mm]
≤ 1 250 > 1 250 – 1 600 > 1 600 – 2 000 > 2 000 – 2 500 > 2 500 – 3 500
≥ 2,5 – 4 ± 0,28 ± 0,28 ± 0,32 ± 0,35 ± 0,40
4 – 5 ± 0,30 ± 0,30 ± 0,35 ± 0,40 ± 0,45
5 – 6 ± 0,32 ± 0,32 ± 0,40 ± 0,45 ± 0,50
6 – 8 ± 0,35 ± 0,40 ± 0,40 ± 0,50 ± 0,55
8 – 10 ± 0,45 ± 0,50 ± 0,50 ± 0,55 ± 0,60
10 – 15 ± 0,50 ± 0,60 ± 0,65 ± 0,65 ± 0,80
15 – 20 ± 0,60 ± 0,70 ± 0,75 ± 0,80 ± 0,90
20 – 30 ± 0,65 ± 0,75 ± 0,85 ± 0,90 ± 1,0
30 – 40 ± 0,75 ± 0,85 ± 1,0 ± 1,1 ± 1,2
40 – 50 ± 0,90 ± 1,0 ± 1,1 ± 1,2 ± 1,5
50 – 60 ± 1,1 ± 1,2 ± 1,4 ± 1,5 ± 1,7
60 – 80 ± 1,4 ± 1,5 ± 1,7 ± 1,9 ± 2,0
80 – 100 ± 1,7 ± 1,8 ± 1,9 ± 2,1 ± 2,2
100 – 150 ± 2,1 ± 2,2 ± 2,5 ± 2,6 —
150 – 220 ± 2,5 ± 2,6 ± 2,9 ± 3,0 —
220 – 350 ± 2,8 ± 2,9 ± 3,2 ± 3,3 —
350 – 400 ± 3,5 ± 3,7 ± 3,9 ± 4,2 —
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Note: We accept no liability or warranty for the correctness, accuracy or completeness of the information and data stated above. Standards and indicative values may change. Agreements are valid as set out in the quotation / order confirmation. We also draw attention to the fact that we accept no liability for colour shades arising during decorative anodising, or for corrosion-resistance results and how they develop. Individual terms may be agreed on a case-by-case basis and must be recorded in writing.