Hot Rolled Aluminium Sheet or Plate

Thickness & Flatness Tolerances

Thickness Tolerances for Sheet and Plate
thickness
(mm)
Up to 1250mm
Width of Plate
1250mm - 1600mm
1600mm - 2000mm
2.5 - 4
+/- 0.28
+/- 0.28
+/- 0.32
4 - 5
+/- 0.30
+/- 0.30
+/- 0.35
5 - 6
+/- 0.32
+/- 0.32
+/- 0.40
6 - 8
+/- 0.35
+/- 0.40
+/- 0.40
8 - 10
+/- 0.45
+/- 0.50
+/- 0.50
10 - 15
+/- 0.50
+/- 0.60
+/- 0.65
15 - 20
+/- 0.60
+/- 0.70
+/- 0.75
20 - 30
+/- 0.65
+/- 0.75
+/- 0.85
30 - 40
+/- 0.75
+/- 0.85
+/- 1.00
40 - 50
+/- 0.90
+/- 1.00
+/- 1.10
50 - 60
+/- 1.10
+/- 1.20
+/- 1.40
60 - 80
+/- 1.40
+/- 1.50
+/- 1.70
80 - 100
+/- 1.70
+/- 1.80
+/- 1.90
100 - 150
+/- 2.20
+/- 2.20
+/- 2.70
150 - 200
+/- 2.80
+/- 2.80
+/- 3.30
Flatness Tolerances for Sheet and Plate
thickness
Deviation allowed as a % of;
Partial Deviation
(mm)
Length
Width
(%)
2.5 - 3.0
0.4
0.5
0.5
3.0 - 6.0
0.3
0.4
0.35
6.0 - 50
0.2
0.4
0.3
50 - 200
0.2
0.2
by agreement

To download a print ready PDF of this table click here

Tolerances According to EN485-3:1993

Diameter
(mm)
Alloy 6082
(mm)
Alloys 2011, 2014
5083 & 7075 (mm)
8 - 18
+/- 0.22
+/- 0.30
18 - 25
+/- 0.25
+/- 0.35
25 - 40
+/- 0.30
+/- 0.40
40 - 50
+/- 0.35
+/- 0.45
50 - 65
+/- 0.40
+/- 0.50
65 - 80
+/- 0.45
+/- 0.70
80 - 100
+/- 0.55
+/- 0.90
100 - 120
+/- 0.65
+/- 1.00
120 - 150
+/- 0.50
+/- 1.20
150 - 180
+/- 1.00
+/- 1.40
180 - 220
+/- 1.15
+/- 1.70
220 - 270
+/- 1.30
+/- 2.00
270 - 320
+/- 1.60
+/- 2.50

To download a print ready PDF of this table click here