Flatness tolerances
HOT ROLLED COILS S235JR, DD11 EN 10025/ 10111
Flatness tolerances for grades with specified minimum yield strength of |
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---|---|---|---|
Nominal thickness |
Nominal width |
Flatness tolerance |
Special flatness tolerance |
t ≤ 2,00 |
w ≤1200 |
18 |
9 |
1 200 < w ≤ 1 500 |
20 |
10 |
|
w > 1500 |
25 |
13 |
|
2,00 < t ≤ 25 |
w ≤1200 |
15 |
8 |
1 200 < w ≤ 1 500 |
18 |
9 |
|
w > 1500 |
23 |
12 |
|
Source: EN 10151 |
HOT ROLLED COILS S355J2+N, S355MC EN 10025/ 10149
Flatness tolerances for grades with specified minimum yield strength of |
|||
---|---|---|---|
Nominal thickness |
Nominal width |
Flatness tolerances class a |
|
B |
C |
||
t ≤ 25 |
w ≤1200 |
18 |
23 |
1 200 < w ≤ 1 500 |
23 |
30 |
|
w > 1500 |
28 |
38 |
|
Source: EN 10151 |
QUARTO PLATES S355J2+N EN 10025
Normal flatness tolerance (class N) dims in mm |
Special flatness tolerance (class S) dims in mm |
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---|---|---|---|---|---|---|---|---|---|
Nominal thickness |
Carbon steel type La |
Carbon steel type Ha |
Nominal thickness |
Carbon steel type La |
Carbon steel type Ha |
||||
Measured lengthb |
Measured lengthb |
||||||||
1000 |
2000 |
1000 |
2000 |
1000 |
2000 |
1000 |
2000 |
||
3 ≤ t < 5 |
9 |
14 |
12 |
17 |
3 ≤ t < 5 |
9 |
14 |
12 |
17 |
5 ≤ t < 8 |
8 |
12 |
11 |
15 |
5 ≤ t < 8 |
8 |
12 |
11 |
15 |
8 ≤ t < 15 |
7 |
11 |
10 |
14 |
8 ≤ t < 15 |
7 |
11 |
10 |
14 |
15 ≤ t < 25 |
7 |
10 |
10 |
13 |
15 ≤ t < 25 |
7 |
10 |
10 |
13 |
25 ≤ t < 40 |
6 |
9 |
9 |
12 |
25 ≤ t < 40 |
6 |
9 |
9 |
12 |
40 ≤ t < 250 |
5 |
8 |
8 |
12 |
40 ≤ t < 250 |
5 |
8 |
8 |
12 |
250 ≤ t < 400 |
6 |
9 |
9 |
13 |
250 ≤ t < 400 |
6 |
9 |
9 |
13 |
a Type L: steel with specified minimum yield strength of Re ≤ 460 Mpa, specified minimum yield strength. |
a Type L: steel with specified minimum yield strength of Re ≤ 460 Mpa, specified minimum yield strength. |
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a Type H: steel with specified minimum yield strength of Re > 460 Mpa and all grades of quenched and quenched and tempered products. |
a Type H: steel with specified minimum yield strength of Re > 460 Mpa and all grades of quenched and quenched and tempered products. |
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b Use 1 000 mm measuring length when wave pitch is ≤ 1 000 mm. |
Use 1 000 mm measuring length when wave pitch is ≤ 1 000 mm. |
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Source: EN 10029 |
Source: EN 10029 |
COLD ROLLED COILS DC01 EN 10131
Flatness tolerances for grades with specified minimum yield strength of Re <260 Mpa |
||||
---|---|---|---|---|
Tolerance class |
Nominal width |
Nominal thickness Dims in mm |
||
t < 0,70 |
0,7 ≤ t < 1,2 |
t ≥ 1,2 |
||
Normal |
||||
600≤ w< 1200 |
13 |
10 |
8 |
|
1200≤ w< 1500 |
15 |
13 |
11 |
|
w≥1 500 |
20 |
19 |
17 |
|
Special (FS) |
||||
600≤ w< 1200 |
8 |
6 |
5 |
|
1200≤ w< 1500 |
9 |
8 |
6 |
|
w≥1 500 |
12 |
10 |
9 |
|
w<1 500 |
Specific wave height over 200 mm should not equal 1 % of its length. |
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w≥1 500 |
Specific wave height over 200 mm should be smaller than 1,5 % of its length. For edges, the specific wave height over 200 mm should not overpass 2 mm. |
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Source: EN 10131 |
HOT DEEP GALVANIZED COILS DX51 D, S350GD EN 10346
Flatness tolerances for grades with specified minimum yield strength of 260 MPa≤ RP0,2< 360 Mpa and for grades DX51D and S550GD |
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---|---|---|---|---|---|
Tolerance class |
Nominal width w |
Maximum wave height for nominal thickness t Dims in mm |
|||
t < 0,70 |
0,7 ≤ t < 0,60 |
1,6 ≤ t < 3,00 |
3,00 ≤ t ≤ 6,50 |
||
Normal |
w≤ 1200 |
13 |
10 |
18 |
|
1200< w≤ 1500 |
15 |
13 |
25 |
||
w>1 500 |
20 |
19 |
28 |
||
Special (FS) |
w≤ 1200 |
8 |
6 |
5 |
9 |
1200< w≤ 1500 |
9 |
8 |
6 |
12 |
|
w>1 500 |
12 |
10 |
9 |
14 |
|
Source: EN 10143 |